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1. MMDS110M D 5 3 MOTOROLA BUS STATE ANALYSIS Table 5 2 Setup Screen Key Commands Name Key Description Move Down A Moves cursor down to lower line Move Up T Moves cursor up to higher line Move Left lt Moves cursor to selection to the left Move Right gt Moves cursor to selection to the right Next Item Tab Moves cursor to next item Preceding Item Shift Tab Moves cursor to preceding item HELP F1 Displays Help window LOAD F5 Loads a trigger file SET SAVE F6 Writes definitions to a trigger file 5 EXECUTE F7 Applies definitions to bus analyzer and returns to Debug screen CLEAR F8 Clears definitions CANCEL ESC Cancels definitions and returns to Debug screen Part of term definition can be defining ranges from one term to another To establish a range you put an X in the range field of a term definition line of the setup screen But note that the event A line does not have a range field This is because event A can only start a range To configure any of the four range patterns AtoB Put an X in the event B range field B to C Put an X in the event C range field C to D Put an X in the event D range field A to B and C to D Put Xs in the range fields of events B and D Also note that you need not define all four terms When you have defined all appropriate terms you are r
2. However there are alternative actions To cancel the entire bus state analyzer setup press lt ESC gt To clear the setup screen making it ready to redefine events and reselect a mode press the F8 key To save this bus state analyzer setup to a file press the F6 key a subordinate window prompts for a filename MMDS110M D 5 6 MOTOROLA BUS STATE ANALYSIS To load a bus state analyzer setup already saved to a file press the F5 key a subordinate window prompts for the filename Entering the filename fills in the setup screen values press the F7 key to return to the debug screen An alternative way to load a saved setup is to enter the LOADTRIGGERS command from the debug screen This method bypasses the setup screen 5 2 3 Selecting Options An optional part of analyzer setup is specifying the frequency and source of the time tag clock This clock provides a time reference value in each frame of the trace buffer Paragraph 5 2 7 gives more information about the time tag clock Enter the time tag clock source TIMETAG command this command brings up the small time tag window in the center of the debug screen This window gives you these choices 16 Mhz is the default 16 Mhz Selects the 16 MHz oscillator 8 Mhz Selects the 8 MHz oscillator 4 Mhz Selects the 4 MHz oscillator 2 Mhz Selects the 2 MHz oscillator Mhz Selects the 1 MHz oscillator External Selects the external clock Programmable Selects the programmable clock
3. MMDS110M D index 6 INDEX MOTOROLA Hardware installation 7 1 7 15 connecting cables 7 4 7 6 fuse replacement 7 14 7 15 installing the EM 7 3 introduction 7 1 7 2 pin assignments connector 7 9 7 13 removing the EM 7 3 7 4 reset switch 7 6 selftests 7 7 7 9 signal descriptions connector 7 9 7 13 HELP 4 6 6 36 Help file 2 2 system 4 6 HOMEBSA 6 37 Host computer cable connection 7 4 requirements 1 4 I 6 38 INFO 6 39 INIT 3 9 6 40 6 41 INIT2 3 9 6 42 6 43 Initialization and loading 2 1 2 3 communications baud rate 4 1 CPU registers 4 4 emulator 4 2 loading target software 4 3 log 4 4 4 5 memory 4 4 memory mapping 4 2 MMDS11 4 1 4 5 Installation hardware 7 1 7 15 Installing EM 7 6 software 2 1 2 2 Instruction breakpoints 4 6 4 7 Introduction 1 1 1 5 MMDS110M D index 7 INDEX MOTOROLA Key commands data screen bus state analyzer 5 10 debug F10 window 3 7 debug screen windows 3 2 find pattern window 5 14 setup screen bus state analyzer 5 4 source code F2 window 3 5 subordinate window 6 3 LF 4 5 6 44 LOAD 4 3 6 45 Loading and initialization 2 1 2 3 target software 4 3 LOADMAP 6 46 LOADMEM 4 2 6 47 LOADTRIGGERS 5 7 6 48 Log initializing 4 4 4 5 Manual organization 1 5 MCU addressing modes 4 3 MD 6 49 Memory initialization 4 4 mapping 4 2 Mouse operation 3 11 Memory F3 windo
4. Set clear S bit WAIT Pause between commands SCREENBSA Log bus state analyzer WAIT4RESET Wait for target reset screen SCRIPT Execute script file WHEREIS Display symbol value SETMEM Customize memory map X Set X index register SHELL Access DOS XMASK Set clear X bit SHOWMEM Display memory map Y Set Y index register SHOWTRIGGER Print trigger 2 Set clear Z bit SINGLECHIP Set MCU operating mode to ZOOM Resize source window MMDS110M D MOTOROLA COMMAND LINE COMMANDS A Set Accumulator A A The A command sets the A accumulator to a specified value Syntax A n where n The value to be loaded into the A accumulator Example gt A 10 Set accumulator A to 10 MMDS110M D 6 6 MOTOROLA COMMAND LINE COMMANDS ARM Arm Bus State Analyzer ARM The ARM command arms the bus state analyzer When armed the analyzer records bus cycles while the emulator is executing user code Arming the analyzer clears the current contents of the analyzer trace buffer The word armed appears in the status area of the debug screen Syntax ARM Example gt ARM Arm the bus state analyzer for user code bus cycles MMDS110M D 6 7 MOTOROLA COMMAND LINE COMMANDS AS M Assemble Instructions AS M The ASM command assembles M68HC11 Family instruction mnemonics and places the resulting machine code into memory at a specified address The command displays the specified address its
5. and a 9 to 25 pin RS 232 adapter also come with your MMDS11 MMDS11 connection to a target system is via a separately purchased active probe or emulator module EM The active probe or EM completes MMDS11 functionality for a particular MCU or MCU family The many active probes and EMs available let your MMDS11 emulate a variety of different MCUs Refer to the appropriate user s manual for active probe or EM installation instructions To use the MMDS11 you need an IBM or compatible host computer For connection to a target system you also need a separately purchased target cable with the appropriate connector 1 2 SYSTEM FEATURES Chapter 7 explains connections configuration specifications and other related information For similar information with regard to EMs see the corresponding EM users manual For information with regard to active probes see the user s manual for the target control board TCB and the user s manuals for the appropriate MCU personality board MPB and package personality board PPB The MMDS11 is a full featured development system that provides both in circuit emulation and bus analysis capabilities Its features include Real time non intrusive in circuit emulation e Real time bus state analysis MMDS110M D 1 1 MOTOROLA INTRODUCTION e MC68HC11K1 system controller for fast command transfer e Meets ECC92 European electromagnetic compatibility standards e 64 possible hardware instruction breakp
6. value The new value for the X register Example gt X 05 Set the X index register value to 05 MMDS110M D 6 103 MOTOROLA COMMAND LINE COMMANDS XMASK Set Clear X Bit XMASK The XMASK command sets the X bit of the condition code register CCR to a specified value If you use the XMASK command to clear the X bit you cannot subsequently use the command to set the X bit without doing a reset If you do subsequently use the XMASK command to enter the value 1 for the X bit the display gives a false indication that the X bit value is 1 To reset the X bit after it has been cleared you first must reset the MCU by entering the RESET command or by cycling MMDS11 power NOTE The CCR bit designators are at the lower right of the CPU window The CCR pattern is SXHINZVC S is stop disable X is XIRQ interrupt mask H is half carry I is IRQ interrupt mask N is negative Z is zero V is overflow and C is carry A letter in these designators means that the corresponding bit of the CCR is set a period means that the corresponding bit is clear Syntax XMASK 0 1 where 0 Clears the X bit 1 Sets the X bit Example gt XMASK 1 Set the X bit of the CCR MMDS110M D 6 104 MOTOROLA COMMAND LINE COMMANDS Y Set Y Index Register Y The Y command sets the Y index register to the specified value Syntax Y value where value The new value for the Y register Example gt Y 10 Set the Y index register valu
7. Continuous all continuous trace all cycles Continuous events continuous trace events only Counted all counted trace all cycles Counted events counted trace events only A B C D trigger on event A B C or D A B gt C D trigger on event A or B then C or D A gt B gt C D trigger on events and C in order unless event D occurs Reset entire sequence if event D occurs A gt B gt C gt D trigger on events A B C and D in order Nth A B C D trigger on Nth event A B C or D MCU state left screen edge Idle Running Stopped Wait or In Reset followed by the above debug F10 window reason for a status change RESETIN signal state below Resetin target system can reset emulating MCU Surce code o WINO blank target system cannot reset emulating MCU RESETOUT signal state Resetout RESET command resets emulating MCU and the between variables F8 and target system MEMON EA Windows blank RESET command resets only the emulating MCU Logging state between Logfile logging in progress variables F8 and memory F3 l windows blank logging not in progress Target system power Target pwr target system power is on between variables F8 and memory F3 windows blank target system power is off Communications port and COMX BBBB Communications port X at BBBB baud rate above debug F10 window MMDS110M D 3 3 MOTOROLA USER SCREENS Table 3
8. Use the load personality file LOADMEM command to load the stored custom map during future emulation sessions Note that the LOADMEM command can be part of the STARTUP 11 script file so that loading the custom map becomes an automatic part of MMDS11 startup You also can use the LOADMEM command to restore the standard memory mapping or to load any other standard map file for the MCU in the EM The display memory map SHOWMEM command displays the RAM and ROM range of the current map 4 2 4 Initializing the Emulator The MCU clock source and frequency must be specified and control signals from the target to the emulator must be enabled or disabled Enter the select emulator clock frequency OSC command to specify the clock signal states this brings up the OSC command window Five internally generated clock frequencies are available 16 Mhz 8 Mhz 4 Mhz 2 Mhz and 1 Mhz Alternatively you can use an external clock signal supplied to the MMDS11 through pod A logic clip 9 white When using the logic clip cables attach the black clip to ground Refer to the EM hardware user s manual for EM clock information The default emulator clock rate is 8 MHz Before changing the clock rate make sure that your emulation MCU is specified to run at the new rate MMDS110M D 4 2 MOTOROLA OPERATION 4 2 5 Loading the Target Software Software for the target system must be available on the host computer in S record format Use the LOAD command to l
9. 2 Status Area Indicators continued Indicator Position Status Meaning Special status message to Instruction breakpoint A breakpoint has been encountered the right of the MCU state and execution has halted M area EDUT STU Data breakpoint A hardware breakpoint was encountered Write protect An attempt was made to write to ROM Special register violation Writing specific values to certain register bits or attempting a write to the CONFIG register 0 to IRV or IRVNE 0 to SMOD 0 to MDA 1 1 to RBOOT any attempted write to CONFIG 1 These actions also cause a background reset of the system 3 2 2 The CPU Window The CPU window is at the upper left of the debug screen This window displays the contents of the A accumulator A register the B accumulator B register the X index register X register the Y index register Y register the program counter PC the stack pointer SP and the condition code register CCR As you enter a new value for any of these registers the new value appears in the window The CCR bit designators are at the lower right of the CPU window The CCR pattern is SXHINZVC S is stop disable X is XIRQ interrupt mask H is half carry I is IRQ interrupt mask N is negative Z is zero V is overflow and C is carry A letter in these designators means that the corresponding bit of the CCR is set a period means that the corresponding bit is clear Note that you cannot s
10. 4 2 6 47 LOADTRIGGERS 5 7 6 48 MD 6 49 MM 3 6 4 4 6 50 MODE 6 51 N 6 52 NEXTA 5 9 6 53 NEXTB 5 9 6 54 NEXTC 5 9 6 55 NEXTD 5 9 6 56 NEXTE 5 9 6 57 NOBR 4 7 6 58 OPTION 3 9 6 59 6 60 OSC 3 10 4 2 6 61 PC 6 62 QUIT 6 63 REG 6 64 REM 6 65 RESET 4 6 6 66 RESETGO 4 6 6 67 RESETIN 4 6 6 68 RESETOUT 4 6 6 69 RTMEM 3 6 6 70 RTVAR 3 5 6 43 6 71 6 72 S 6 73 SCREENBSA 6 74 SCRIPT 4 5 6 75 MMDS110M D index 3 MOTOROLA INDEX Commands cont command line cont SETMEM 3 8 4 2 6 76 6 77 SHELL 6 78 SHOWMEM 4 2 6 79 SHOWTRIGGER 5 9 6 80 SINGLECHIP 6 81 SOURCE 6 82 SPECIALBOOT 6 83 SPECIALTEST 6 84 STACK 3 7 6 85 STEP 3 8 4 6 5 8 6 86 STEPFOR 4 6 5 8 6 87 STEPTIL 4 6 5 8 6 88 STOP 4 6 5 8 6 89 summary table 6 4 6 5 SXB 5 7 6 90 syntax 6 1 6 2 SYSINFO 4 6 6 91 T 3 8 4 6 5 8 6 92 TIMETAG 3 10 5 7 6 93 94 TMSK2 3 9 6 95 6 96 V 6 97 VAR 3 5 6 98 VERSION 4 6 6 99 WAIT 4 5 6 100 WAITARESET 4 6 6 101 WHEREIS 4 5 6 102 X 6 103 XMASK 6 104 Y 6 105 Z 6 106 ZOOM 6 107 key data screen bus state analyzer 5 10 debug F10 window 3 7 debug screen windows 3 2 find pattern window 5 14 setup screen bus state analyzer 5 4 source code F2 window 3 5 subordinate window 6 3 operating 4 6 4 7 system 4 5 4 6 MMDS110M D index 4 MOTOROLA Common operations 4 5 4 7 Components system 1 3 1 4 Connecti
11. Operating Mode to Special Test SPECIALTEST The SPECIALTEST command sets the MCU operating mode to special test This command works only if the MCU mode is set to user selectable by the MODE command Related commands are EXPANDED SINGLECHIP and SPECIALBOOT Some HC11 emulator modules EMs do not let you select from the host the polarity of MODEB This limits operation to single chip or expanded mode If you enter the target value with the MODE command the target selects any MCU operating mode on power up or reset The special bootstrap mode is emulated in special test mode with the PRU enabled The bootstrap firmware may be loaded into emulation RAM and the RESETGO command issued by a script file NOTE The current hardware does not let you switch from special boot or special test to single chip or expanded by writing to the MDA bit of the HPRIO register Mode selection takes effect only upon powerup or reset Syntax SPECIALTEST Example gt SPECIALTEST Set the MCU to special test mode gt MODE Display the current mode MODE USER SELECTED Special Test gt MMDS110M D 6 84 MOTOROLA COMMAND LINE COMMANDS STAC K Display Stack STAC K The STACK command displays the contents of the current stack Entering this command brings up the stack window Figure 3 2 This window shows the stack contents as raw data and as data interpreted as if an interrupt had caused the data to be written to the stack This dat
12. Summary COMMAND LINE COMMANDS Mnemonic Description Mnemonic Description A Set accumulator A EXPANDED Set MCU operating mode to expanded ARM Arm bus state analyzer G Begin program execution ASM Assemble instructions GETBSA Upload trace buffer B Set accumulator B GO Begin program execution BAUD Set communications baud GOTIL Execute program until rate address BAUDCHK Baud rate check H Set clear H bit BELL Sound bell HELP Display help information BF Block fill HOMEBSA Go to trace buffer start BPROT Block protect register Set clear bit BR Set instruction breakpoint INFO Display line information C Set clear C bit INIT Set the RAM and I O mapping initialization register CCR Set condition code register INIT2 Set EEPROM mapping initialization register CHIPINFO Chip help information Log file CLEARMAP Remove symbols LOAD Load S19 file COLORS Set screen colors LOADMAP Load symbols D Set accumulator D LOADMEM Load personality file DARM Disarm bus state analyzer LOADTRIGGERS Load bus state analyzer setup DASM Disassemble instructions MD Memory display EMUBP Set breakpoint bank MM Memory modify comparator EMURAM Set emulation RAM bank MODE Display select MCU comparator operating mode ENDBSA Go to trace buffer end N Set clear N bit EVAL Evaluate ar
13. T if the PC points to internal RAM or EEPROM or if the code branches into internal RAM or EEPROM The step commands are not real time they execute one instruction at a time then return control to the monitor Do not rely on time tag values during any step command as the system reinitializes the time tag after executing each instruction Example gt STEPFOR Execute instructions continuously until the user presses a key MMDS110M D 6 87 MOTOROLA COMMAND LINE COMMANDS STEPTI L Single Step to Address STEPTI L The STEPTIL command continuously executes instructions from the current program counter PC address value until the PC reaches the specified address Syntax STEPTIL address where address The address at which instruction execution stops This must be an instruction address NOTES Do not use any step command STEP STEPFOR STEPTIL or T if the PC points to internal RAM or EEPROM or if the code branches into internal RAM or EEPROM The step commands are not real time they execute one instruction at a time then return control to the monitor Do not rely on time tag values during any step command as the system reinitializes the time tag after executing each instruction Example STEPTIL 0400 Execute instructions continuously until the PC value is 0400 MMDS110M D 6 88 MOTOROLA COMMAND LINE COMMANDS STO P Stop Program Execution STO P The STOP command stops program execution i
14. Yellow 9 PF3 Yellow 10 PB3 Green 11 PF4 Green 12 PB4 Bue 13 PF5 Bue 14 PBS Purple 15 PF6 Purple 16 PB6 Gray 17 PF7 Gray 18 PB7 White 20 ECLK White 22 MDSOSC 7 6 CONNECTOR AND CABLE INFORMATION This paragraph contains pin identification signal names and similar information for connectors and cables common to all MMDS11 systems For similar information unique to a particular EM see the corresponding EM user s manual 7 6 1 Logic Cables and Connectors The diagram below shows the pin numbering for both the pod A and pod B logic cable connectors of the station module Table 7 2 lists the signals available at each pin as well as the colors of the corresponding cable probe tips MMDS110M D 7 8 MOTOROLA MMDS110M D Table 7 2 Pod and Logic Cable Pin Assignments Pod Pin Pod A Signal Pod B Signal Probe Color 1 LCO LC8 Gray GRY 2 GND 3 LC1 LC9 Purple PUR 4 GND GND 5 LC2 LCt0 Blue BLU 6 GND 7 LC3 LC11 Green GRN 8 GND 9 LC4 LC12 Yelow YEL 10 GND 11 LC5 LC13 Orange ORG 12 GND e di LC6 LC14 Red RED 14 GND GND ss LC7 LC15 Brown BRN 16 GND 17 Exrosc EXT_TT_CLK White 18 GND 19 GND Black 230 GND 7 9 INST
15. accumulator to a specified value The D accumulator is a concatenation of the A accumulator and the B accumulator Syntax D n where n The value to be loaded into the D accumulator Example D 1234 Set accumulator D to 1234 MMDS110M D 6 22 MOTOROLA COMMAND LINE COMMANDS DARM Disarm Bus State Analyzer DARM The DARM command disarms the bus state analyzer When disarmed the analyzer does not record bus cycles The word Disarmed appears in the status area of the debug screen If the bus state analyzer is already disarmed this command does nothing Syntax DARM Example gt DARM Disarm the bus state analyzer MMDS110M D 6 23 MOTOROLA DASM COMMAND LINE COMMANDS Disassemble Instructions DAS M The DASM command disassembles three or more machine instructions displaying the addresses and the contents as disassembled instructions Disassembly begins at the specified address The valid address range is 0000 to FFFF Syntax where address I gt address2 DASM addressi lt address2 gt The starting address for disassembly lt Address gt must be instruction opcode If you enter only an address value the system disassembles three instructions The ending address for disassembly If you enter an lt address2 gt value disassembly begins at lt addressi gt continues through lt address2 gt The screen scrolls upward as addresses and
16. chip or expanded by writing to the MDA bit of the HPRIO register Mode selection takes effect only upon powerup or reset Syntax EXPANDED Example gt EXPANDED Set the MCU to expanded mode gt MODE Display the current mode MODE USER SELECTED Expanded gt MMDS110M D 6 30 MOTOROLA COMMAND LINE COMMANDS G Begin Program Execution G The G command starts execution of code in the emulator at the current address or at a specified address If you enter one address it is the starting address If you enter two addresses execution begins at the first and stops at the second The G and GO commands are identical If you specify only one address execution continues until you enter a STOP command a breakpoint occurs a trigger condition set to stop execution in the analyzer occurs or an error OCCUIS Syntax G lt address1 gt lt address2 gt where lt address1 gt Execution starting address If you enter an lt addressI gt value the system loads the value into the program counter PC then starts execution at the address in the PC If you do not enter an address1 value execution begins at the address already in the PC lt address2 gt Execution stop address The lt address2 gt value must be an instruction fetch address if it is not code execution continues as if the command had no lt address2 gt value NOTE Be careful about using the G GO or GOTIL commands if the PC poi
17. command the command interpreter pauses for five seconds NOTE All values you enter on the MMDS11 command line are hexadecimal The input value 10 for example is the decimal value 16 To display the value of a symbol defined in a map symbol file use the WHEREIS command For information about a highlighted line in the source code F2 window filename line number address and so forth use the INFO command MMDS110M D 4 5 MOTOROLA OPERATION The VERSION command displays the version number of the host software and the personality file The system information SYSINFO command tells you the amount of host computer memory remaining The HELP command displays a dialog window from which to access the MMDS11 help system Note that the help system is context sensitive highlight an element of a screen then press the FI help key for corresponding help information When you are in the bus state analyzer pressing left and right mouse buttons at the same time is the same as pressing the F1 key 4 3 2 Operating Commands The RESET command resets the emulation MCU and sets the PC to the contents of the reset vector User code is not executed using this command The RESETGO command carries out the same actions as the RESET command then starts code execution from the PC value address The RESETIN command allows the reset signal to come into the emulation system through the target cable this signal must be enabled for correct operation o
18. contents and a prompt for an instruction As you enter each instruction the command assembles the instruction stores and displays the resulting machine code and displays the contents of the next memory location with a prompt for another instruction To terminate the command enter a period Table 4 1 lists MCU addressing mode operand formats Syntax ASM lt address gt where lt address gt An address at which the assembler places the first machine code generated If you do not specify address the system checks the address used by the previous ASM command then uses the following address for this ASM command Examples The first example shows the ASM command with an address argument gt asm 100 0100 03 FDIV gt NOP 0100 01 NOP 0101 FF8FDD STX 8FDD 23 The second example shows the ASM command with no argument gt ASM 0101 STX 8FDD gt 0104 D7DA STAB OODA gt 0106 F7FDB1 STAB FDB1 gt NOP 0106 01 NOP pa MMDS110M D 6 8 MOTOROLA COMMAND LINE COMMANDS B Set Accumulator B B The B command sets the B accumulator to a specified value Syntax B n where n The value to be loaded into the B accumulator Example gt B 10 Set accumulator B to 10 MMDS110M D 6 9 MOTOROLA COMMAND LINE COMMANDS BAU D Set Communications Baud Rate BAU D The BAUD command changes the baud rate for communications between the system controller and the
19. first occurrence of the specified string in the source file Find Next Alt L Finds the next occurrence of the specified string in the source file GoTil Alt G Executes code from the current PC address to the highlighted line List Modules Alt M Lists available source code modules PC Alt P Sets the program counter PC to the address on the highlighted line CODE F2 Displays disassembled code 3 2 4 The Variables F8 Window The variables F8 window at the left side of the debug screen shows as many as 11 variables that you specify via the VAR or RTVAR command When the debug screen first appears this window is blank Press the F8 function key to select this window This lets you use the arrow keys to highlight a variable The variables appear with their current values in hexadecimal binary decimal or ASCII format You may specify as many as 32 variables via the VAR or RTVAR commands Using the RTVAR establishes a variable as a real time variable so that you can monitor and change values during program execution Chapter 6 gives more information about both the VAR and RTVAR commands MMDS110M D 3 5 MOTOROLA USER SCREENS 3 2 5 The Memory F3 Window The memory F3 window at the right side of the debug screen displays the contents of 32 memory locations either standard or real time As you modify the contents of these locations the new values appear in this window You can use the scroll bar to the right of the window
20. host computer For best performance of your system communications should be at the maximum available baud rate Reduce this rate if the software displays communications error messages Entering this command without a rate argument calls up the baud rate window You can select a baud rate via this window NOTE At power up MMDS11 software automatically sets the maximum baud rate for your system If you reduce the baud rate but communication errors persist you may need to turn off disk cache Syntax BAUD lt rate gt where lt rate gt One of these decimal baud rate values 2400 4800 9600 19200 38400 57600 Example gt BAUD 9600 Change the communications baud rate to 9600 MMDS110M D 6 10 MOTOROLA COMMAND LINE COMMANDS BAU DCHK Baud Rate Check BAU DCHK The BAUDCHK command checks communication at 57600 baud and successively lower rates to determine the maximum available baud rate for a host computer Syntax BAUDCHK Example gt BAUDCHK 57600 baud communicates well The command displays a message indicating the maximum available baud rate MMDS110M D 6 11 MOTOROLA COMMAND LINE COMMANDS BELL Sound Bell BELL The BELL command sounds the computer bell the specified hexadecimal number of times The bell sounds once if you do not enter an argument To turn off the bell as it is sounding press any key Syntax BELL n where n The hexadecimal number of times to sound the bell Exa
21. no emulation RAM bank matches You can search for bus cycles in which one or more terms are true by entering A B C or D in the Term field When you have defined the search pattern completely press F7 to start the search The search begins at the current highlighted frame and proceeds toward the highest numbered frame in the trace buffer To clear the fields of the screen press the F8 key MMDSI1 provides a 1 megabyte bank selected memory map You may have breakpoints or emulation RAM installed in any one of the banks Breakpoints and emulation RAM may be installed in different banks Four extension address lines XA16 XA19 are available as inputs The breakpoint comparator BPX checks the breakpoint bank match value against the data on the XA16 XA19 address lines When the extension address lines 16 19 equal the breakpoint match value instruction breakpoints are enabled BPX 1 Use the EMUBP command to set the breakpoint bank match value The emulation RAM comparator ERX checks the emulation RAM bank match value against the data the XA16 XA19 address lines When the extension address lines XA16 XA19 equal the emulation RAM match value instruction breakpoints are enabled ERX 1 Use the EMURAM command to set the emulation RAM bank match value 5 2 7 Using the Time Tag Clock There are four time tag display modes absolute relative cycles and none An absolute display mode shows the time reference from the fi
22. not allow you to leave the field Table 5 1 Event Definition Values Field Values Meaning Trm en Term enable X Enable the term blank Disable the term Brk en Breakpoint enable X Tj the term a data breakpoint hardware breakpoint blank Do not make the term a breakpoint RNG Range X Makes the event the end of a range blank Range does not apply to the event Negation X Complements the term blank Does not complement the term R w Read write 0 MCU write cycle 1 MCU read cycle X Either read or write cycle D i Data instruction 0 Instruction fetch 1 Data X Don t care BPX Breakpoint extension 0 Breakpoint match bank extension addresses address match comparator 1 Breakpoint match bank extension addresses X Don t care ERX Emulation RAM 0 Emulation RAM match bank extension addresses extension address match 1 Emulation RAM match bank extension addresses comparator X Don t care Pod A Clips YEL Yellow Logic level 0 ORG Orange RED Red 1 Logic level 1 BRN Brown X Don t care Address Hex 0 F X Hexadecimal address value X is don t care Address Binary 0 1 X Binary address value X is don t care Data Hex 0 F X Hexadecimal data value X is don t care 0 1 X Binary data value X is don t care Data Binary 1 You may have to disarm the BSA before you can see data in the BSA data screen
23. prompt Enter the value and press CR The command displays the next address and its contents The command continues to store the values you enter until you enter a period 4 2 7 CPU Registers The software dynamically displays the contents of the CPU registers and the condition code register in the CPU window These registers A B X Y PC SP and CCR contain the environment for execution of an instruction and after the instruction has been executed the results You can initialize any of these registers by entering the corresponding register designator command and an appropriate value Typically at least the program counter PC must be initialized with the start address The SP register is set initially to FF When you press CR the register display shows the new value These examples show how to initialize some of the CPU registers PC 100 Set the program counter to 100 hexadecimal CCR 00 Clear the bits in the condition code register One limitation of the MMDS11 software is that it reserves nine bytes below the user stack to initialize the CPU registers 4 2 8 Log Initialization The MMDS11 maintains a command log that can be written to a file Entries in the log include e Commands entered on the command line e Commands read from a script file e Responses to commands MMDS110M D 4 4 MOTOROLA OPERATION e Error messages e Notifications of asynchronous events such as breakpoints With the log file LF comm
24. resets done via the RESETGO command Syntax RESETOUT Example gt RESETOUT Toggle the MMDS11 RESETOUT state MMDS110M D 6 69 MOTOROLA COMMAND LINE COMMANDS RTMEM Set Real Time Memory Block RTMEM The RTMEM command enables real time memory starting at a specified address The real time memory consists of 32 bytes of dual ported memory that is assigned to any valid memory address by this command While the emulator is running the system displays enabled real time memory in the real time memory window this window replaces the memory F3 window The display updates as the memory contents change Entering the RTMEM command without an argument disables real time memory restoring previous memory map attributes Real time memory consists of memory enabled by the RTMEM command plus real time variables created via the RTVAR command All this real time memory must fit within a 1K block If an RTMEM command would result in real time memory that would not fit within the IK block due to established real time variables the system will not accept the RTMEM command If any of the real time memory overlays internal MCU I O RAM or EEPROM addresses it is available only for monitoring emulation MCU writes You should not try to modify such locations You can monitor and modify real time memory locations that do not overlay internal MCU I O RAM or EEPROM addresses Syntax RIMEM lt address gt where lt address gt The begi
25. specified address Syntax GOTIL address where address Execution stop address The address value must be an instruction fetch address if it is not code execution continues as if the command had no address value NOTE Be careful about using the GOTIL G or GO commands if the PC points to internal RAM or EEPROM or if the code branches into internal RAM or EEPROM In these situations the STOP command does not work unless the CCR I bit is clear If you do want to execute out of internal RAM or EEPROM clear the I bit before you enter the execution command Example gt GOTIL OFFO Execute the program in the emulator up to address OFFO MMDS110M D 6 34 MOTOROLA COMMAND LINE COMMANDS H Set Clear H Bit H The H command sets the H bit of the condition code register CCR to the specified value NOTE The CCR bit designators are at the lower right of the CPU window The CCR pattern is SXHINZVC S is stop disable X is XIRQ interrupt mask H is half carry I is IRQ interrupt mask N is negative Z is zero V is overflow and C is carry A letter in these designators means that the corresponding bit of the CCR is set a period means that the corresponding bit is clear Syntax 011 where 0 Clears the H bit 1 Sets the H bit Example gt H 1 Set the H bit of the CCR MMDS110M D 6 35 MOTOROLA COMMAND LINE COMMANDS HELP Display Help Information HELP The HELP command displays a l
26. the specified number of counted events or post trigger cycles or until code execution stops NOTES The GO command is not the only program execution command that works with the bus state analyzer Alternative commands are G GOTIL STEP STEPFOR STEPTIL and T If you enter either trace command STEP or T without a parameter value when the bus state analyzer is armed the analyzer trace window appears over the debug screen This temporary window shows the cycles of the instruction just traced To manually halt data collection enter the DARM or STOP command Entering the DARM command disarms the analyzer the analyzer state changes to Disarmed The DARM command does not stop emulation Entering the STOP command stops data collection and emulation When data collection stops you are ready to view data per paragraph 5 2 5 5 2 5 Viewing Data To view bus analyzer data press the F4 function key from the debug screen this key brings up the bus state analyzer data screen Figure 5 2 The word loading flashes in the upper right corner of the screen as the software loads trace buffer contents into the host computer The data display is not entirely valid until loading is done loading stops flashing although cycles immediately preceding and following the trigger cycle become valid early during loading NOTE Be sure to use the highest possible baud rate If you use a lower baud rate it can take several minutes to load trace buffe
27. window the cursor disappears from the debug FIO window To return to the debug F10 window press the F10 function key this restores the cursor Table 3 4 lists the key commands that pertain to the debug F10 window MMDS110M D 3 6 MOTOROLA USER SCREENS Table 3 4 Debug F10 Window Key Commands Name Key Description HELP F1 Access Help screens CODE F2 Activate Code F2 window MEMORY F3 Activate Memory F3 window BSA Display F4 Activate bus state analyzer data screen BSA Setup F5 Activate bus state analyzer setup screen VARIABLES F8 Activate Variables F8 window Repeat F9 Repeat preceding command DEBUG F10 Activate Debug F10 window 3 2 7 The Stack Window The temporary stack window appears near the center of the debug screen when you enter the STACK command As Figure 3 2 shows this window shows the contents of the SP register and the stack It also shows the contents of the top of the stack as if an interrupt caused the frame Press the ESC key to remove the stack window and continue MMDS110M D ac pintar Raw Bytes err Stack SAHINZUC AAF SP BBF6 1 11811888 Figure 3 2 Stack Window 3 7 MOTOROLA USER SCREENS 3 2 8 The Analyzer Trace Window The temporary analyzer trace window Figure 3 3 appears near the center of the debug screen if the bus state analyzer is armed and you enter a trace STEP or T
28. 11 software on 3 5 720KB diskettes consists of at least the files listed in Table 2 1 where X denotes a version number and AAAA denotes an MCU type Table 2 1 MMDS11 Software Files Filename Description MMDS11 EXE Host software providing the host human interface and the control system communications driver MMDS11 0V1 Overlay file loaded into the controller in the station module MMDS11 0V2 Overlay file loaded into the target background monitor MMDS11VX HLP HELP command windows for the MMDS11 commands 1AAAAVX MEM Personality file One of a series of personality files each of which customizes the software for one or more MCUs 1AAAAVX HLP Chip information file One of a series of personality files which customizes the CHIPINFO command 2 2 INSTALLING MMDS11 SOFTWARE Installation of the software consists of copying the software from the distribution diskette to a hard disk The installation utility creates a directory called MMDS11 on your c drive for MMDS11 software and related files If you will run the software from a diskette you should copy the contents of the distribution diskette to a working diskette Store the distribution diskette safely in case of a hardware malfunction or accidental erasure 2 2 1 Personality Files The various features of M68HC11 MCUs require various options of MMDS11 system The appropriate options for each MCU are specified in a personality file for that MCU Personality fi
29. 5 Nm EEPROM Mapping Register X037 1 Appears only if the emulation MCU has internal EEPROM remappable via an INIT2 register Syntax NIT2 lt value gt where lt value gt A hexadecimal INIT2 register value Example gt INIT2 Display the options window for changing any of five register values MMDS110M D 6 43 MOTOROLA COMMAND LINE COMMANDS LF Log File LF The LF command starts or stops logging of commands and responses to an external file If logging is not enabled enter this command to start logging While logging remains in effect any line that is appended to the command log window is also written to the log file Logging continues until you enter another LF command this second command disables logging and closes the log file If the specified file does not already exist this command creates the file If the specified file does exist already the command prompts for overwrite or append File exists Rewrite or Append R If you press CR accept the default or R and CR the log entries overwrite the data in the existing file If you press A and CR the system appends log entries to the file Syntax LF filename where filename The DOS filename of the log file The command interpreter does not assume a filename extension Examples gt LF logfile Start logging Write to file logfile in the current directory all lines added to the comman
30. ALLATION MOTOROLA 7 6 2 Serial Connector and Cable INSTALLATION The diagram below shows pin numbering for the 9 pin serial connector of the station module Table 7 3 lists the signal available at each pin as well as the signals transmitted on the 9 lead serial cable MMDS110M D Table 7 3 Serial Connector and Cable Pin Assignments en Connector Signal Cable Signal in 1 DCD jumpered to pins 6 amp 8 2 RX RX 3 TX TX 4 DTR DTR 5 GND 6 DSR jumpered to pins 1 amp 8 7 RTS 8 CTS jumpered to pins 1 amp 6 CTS 9 open 7 10 MOTOROLA INSTALLATION 7 6 3 9 Pin to 25 Pin Adapter The 9 to 25 pin adapter lets you connect the 9 lead serial cable to a 25 pin computer serial port Table 7 4 lists the signal conversions of this adapter Table 7 4 Adapter Signal Information MMDS110M D 7 11 MOTOROLA INSTALLATION 7 6 4 25 Pin Connector The diagram below shows pin numbering for this station module connector Table 7 5 lists the signal available at each pin 13 1 25 14 Table 7 5 25 Pin Connector Pin Assignments Pin Signal Pin Signal 1 STROBE 14 OPEN 2 OUT8 15 IN5 3 OUT7 16 OPEN 4 OUT6 17 OPEN 5 OUT5 18 GND 6 OUT4 19 GND 7 OUT3 20 GND 8 OUT2 21 GND 9 OUT1 22 GND 10 IN4 23 GND 11 IN3 24 GND 12 IN2 25 GND 13 IN 1 MMDS110M D 7 12 MOTOROLA INSTALLATION 7 POWER SUP
31. BM AT or PS 2 computers The host computer must run DOS 3 3 or later Motorola recommends at least 640Kb of memory as the host software requires approximately 512Kb An asynchronous communications port configured as COMI COM2 COM3 or COM4 is required for communications between the MMDS11 and the host computer For improved product performance you may add additional system enhancements These are 80386 or 80486 based systems a fixed disk drive and a high resolution color monitor with either an EGA or VGA graphics adapter card The MMDS11 system software also supports a Microsoft Logitech or IBM mouse Other mice may be acceptable but Motorola does not guarantee their satisfactory performance with MMDS11 software MMDS110M D 1 4 MOTOROLA INTRODUCTION 1 5 ABOUT THIS MANUAL The rest of this manual covers MMDS11 software hardware and reference information Chapter 2 explains how to load and initialize software Chapter 3 explains the purpose and use of screens as well as how to use a mouse Chapter 4 explains initialization and other common operations Chapter 5 explains bus state analysis Chapter 6 explains MMDS11 commands Chapter 7 explains MMDS11 hardware Appendix A gives reference information about Motorola S records MMDS110M D 1 5 MOTOROLA INTRODUCTION MMDS110M D 1 6 MOTOROLA LOADING AND INITIALIZATION CHAPTER 2 LOADING AND INITIALIZATION 2 1 SOFTWARE DISTRIBUTION FORMAT MMDS
32. C Go to Next C Event N EXTC The NEXTC command positions the bus state analyzer display at the next occurrence of a C event If a log file is open this command also writes that frame to the log file Syntax NEXTC Example gt NEXTC Scroll the bus state analyzer display to the next C event Related Key Command Alt C while in the bus state analyzer data window MMDS110M D 6 55 MOTOROLA COMMAND LINE COMMANDS N EXTD Go to Next D Event N EXTD The NEXTD command positions the bus state analyzer display at the next occurrence of a D event If a log file is open this command also writes that frame to the log file Syntax NEXTD Example gt NEXTD Scroll the bus state analyzer display to the next D event Related Key Command Alt D while in the bus state analyzer data window MMDS110M D 6 56 MOTOROLA COMMAND LINE COMMANDS N EXT E Go to Next Event N EXT E The NEXTE command positions the bus state analyzer display at the next occurrence of any event If a log file is open this command also writes that frame to the log file Syntax NEXTE Example gt NEXTE Scroll the bus state analyzer display to the next event Related Key Command Alt E while in the bus state analyzer data window MMDS110M D 6 57 MOTOROLA COMMAND LINE COMMANDS N O BR Clear Breakpoints N O BR The NOBR command clears one instruction breakpoint all instruction breakpoints or all instruction breakpoints within an address range If th
33. Emulator Selects the emulator clock the bus clock of the emulating MCU If you select External connect logic clip 9 white of the pod B logic clip cable to the external clock source The pod B connector is the closest to the front of the station module Logic clip 9 is available for external clock input whether or not you select the pod B logic clips for the trace display When using the logic clip cables attach the black clip to ground If you select Programmable you must enter a frequency in the range of 50 Hz to 50 KHz as the pop up window requests If you select Emulator the system stores the number of bus cycles Another setup option is specifying whether to store high order time tag bits increasing the time tag from 16 to 24 bits or data from the pod B logic clips To do so enter the set multiplexer SXB command with the appropriate tags or clips parameter value The default is clips MMDS110M D 5 7 MOTOROLA BUS STATE ANALYSIS 5 2 4 Collecting Bus Data To begin data collection enter the ARM command which arms the bus state analyzer The BSA status changes to Armed The bus state analyzer mode appears on the status line Next enter the GO command which starts program execution The MCU status changes to Running If you are in a sequential mode you may be able to follow the occurrence of events from the highlighting changes Such highlighting changes may be too fast to be helpful Data collection continues through
34. LA COMMAND LINE COMMANDS V Set Clear V Bit V The V command sets the V bit of the condition code register CCR to the specified value NOTE The CCR bit designators are at the lower right of the CPU window The CCR pattern is SXHINZVC S is stop disable X is XIRQ interrupt mask H is half carry I is IRQ interrupt mask N is negative Z is zero V is overflow and C is carry A letter in these designators means that the corresponding bit of the CCR is set a period means that the corresponding bit is clear Syntax V 011 where 0 Clears the V bit 1 Sets the V bit Example gt V 1 Set the V bit of the CCR MMDS110M D 6 97 MOTOROLA COMMAND LINE COMMANDS VAR Display Variable VAR The VAR command displays the specified address and its contents in the variables F8 window As many as 32 variables can be available for display in the variables F8 window although the window shows 11 at a time Using the VAR command establishes such a variable Variants of this command display byte word or string values A byte display is hexadecimal and binary a word display is hexadecimal and decimal and a string display is ASCII For an ASCII string the optional n argument specifies the number of characters 12 characters is the default Control and other non printing characters appear as periods The RTVAR command also establishes variables for display in the variables F8 window but as real time variables The 32 variab
35. MMDS110M D NOVEMBER 1993 MMDS11 MOTOROLA MODULAR DEVELOPMENT SYSTEM OPERATIONS MANUAL MOTOROLA Inc 1991 1993 All Rights Reserved Motorola reserves the right to make changes without further notice to any products herein to improve reliability function or design Motorola does not assume any liability arising out of the application or use of any product or circuit described herein neither does it convey any license under its patent rights nor the rights of others Motorola products are not designed intended or authorized for use as components in systems intended for surgical implant into the body or other application in which the failure of the Motorola product could create a situation where personal injury or death may occur Should Buyer purchase or use Motorola products for any such unintended or unauthorized application Buyer shall indemnify and hold Motorola and its officers employees subsidiaries affiliates and distributors harmless against all claims costs damages and expenses and reasonable attorney fees arising out of directly or indirectly any claim of personal injury or death associated with such unintended or unauthorized use even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part Motorola and the Motorola logo are registered trademarks of Motorola Inc Motorola Inc is an Equal Opportunity Affirmative Action Employer MS DOS is a registered trademark of Micros
36. N TMSK2 BPROT and INIT2 registers To change any value of the options window highlight the value then type in the new value Press the F7 key to reset the MCU the reset writes the new values to the registers Pressing the escape ESC key when the window is open aborts register changes Uptions INIT OPTION AAALARAA THSK2 AARAAAAA BPROT 11111111 INIT2 AAARAAAA F EXECUTE 4ESC gt CANCEL Figure 6 5 Options Window Some MCUs do not have internal EEPROM that is remappable via an INIT2 register For such an emulation MCU the options window does not list an INIT2 register Table 6 7 lists definitions for all the options window registers To change the value of one of the other registers you may enter a BPROT INIT INIT2 or TMSK2 command with a value argument As with OPTIONS entering one of these commands without a value argument brings up the options window Via this window you can change the values of any register including OPTION MMDS110M D 6 59 MOTOROLA COMMAND LINE COMMANDS OPTION Set the System Configuration Options Register OPTION Table 6 7 Options Window Registers BPROT Block Protect Register X035 INIT2 1 EEPROM Mapping Register X037 1 Appears only if the emulation MCU has internal EEPROM remappable via an INIT2 register Syntax OPTION lt value gt where lt value gt A hexadecimal OPTION register value Example gt OPTION Display the opt
37. N is negative Z is zero V is overflow and C is carry A letter in these designators means that the corresponding bit of the CCR is set a period means that the corresponding bit is clear Syntax CCR n where n The new hexadecimal value for the CCR Example gt CCR E4 Set the CCR to E4 S X H and Z bits set others clear MMDS110M D 6 18 MOTOROLA COMMAND LINE COMMANDS C HIPIN FO Chip Help Information C HIPIN FO The CHIPINFO command accesses register memory map vector and pin out information about the emulation MCU Entering this command brings up the topics window Figure 6 2 Select a topic to bring up a subordinate window To select a topic either click on it or highlight it then press CR The subordinate windows and their contents are e REGISTERS Register addresses of the MCU you are emulating Selecting an address opens another subordinate window that displays each bit of the register e MEMORY MAP The memory map for MCU you are emulating e VECTORS The vectors for the MCU you are emulating PIN OUT The pin outs for the MCU you are emulating Figure 6 2 Topics Window Syntax CHIPINFO Example gt CHIPINFO Access emulation MCU information MMDS110M D 6 19 MOTOROLA COMMAND LINE COMMANDS CLEARMAP Remove Symbols CLEARMAP The CLEARMAP command removes the symbol definitions in the host computer Syntax CLEARMAP Example
38. NALYSIS 27 14 1064 3H adca 8 32 staa locd 38 bra start 38 seg ag 14 loci 43 adca 8H 45 staa loci 48 14 loc Jl adca 8H 54 staa loca Fiji Fara oe Fridata lt ESC lexit fc ALT A B C D E F1 F2 Tigoto ALT Pi log BLI S loq scrn ALTI Ni filename Figure 5 5 Source Code Display For a source code display Figure 5 5 the source file must be in the directory with the object file The source code display shows information similar to the instructions display but it also displays the comments from the source code file MMDS110M D 5 13 MOTOROLA BUS STATE ANALYSIS 5 2 6 Searching the Trace Buffer The bus state analyzer includes a search utility enabling you to search the trace buffer for a frame that contains a specific bit configuration To start this utility press the F3 key from the data screen This brings up the find pattern window Figure 5 6 Define a search pattern by filling in fields of this window initially all fields have X don t care values Find searches from the point of the cursor to the end of the buffer Use the arrow keys to move between fields Table 5 5 lists the key commands for the find pattern window ern wiPR ABCD qphquorh qphquorb XX AXKXXANA Fr Find F8 iClear lt ESC CANCEL Figure 5 6 Find Pattern Window Table 5 5 Find Pattern Window Key Commands Description Moves cursor o
39. PLY FUSE REPLACEMENT The station module power switch connector assembly contains a standard 1 4 x 1 1 4 in 1 5 ampere 250 volt ceramic fast blow fuse Figure 7 3 shows the assembly with its door open for fuse replacement Fuse Door Power Cord Socket E Power Switch 2 Open Edge of Power Cord Socket Fuse Door y _Power Switch Fuse Figure 7 3 Power Switch Connector Assembly MMDS110M D 7 13 MOTOROLA INSTALLATION To replace the fuse follow steps 1 5 1 Press the power switch OFF and disconnect the power cord 2 Insert a small screwdriver at the tab on the right edge of the switch connector assembly Figure 7 3 shows where to insert the screwdriver Gently pry open the assembly door which swings open to the left 3 Remove the fuse holder from the switch connector assembly Remove the fuse from the holder 4 Insert the replacement fuse into the holder Then re install the holder in the switch connector assembly Make sure that the fuse holder arrow points down Close the assembly door 5 Reconnect the power cord This completes fuse replacement MMDS110M D 7 14 MOTOROLA INDEX A 6 6 Addressing modes MCU 4 3 Analyzer trace window debug screen 3 8 Arguments command line commands 6 2 ARM 5 8 6 7 ASM 4 3 6 8 B 6 9 BAUD 3 9 4 1 6 10 BAUDCHK 4 1 6 11 Baud rate 4 1 Baud window debug screen 3 9 BELL 6 12 BF 3 6 4 4 6 13 BPROT 3 9 6 14 6 15 BR 4 7 6 16 Breakpoin
40. PT command In this way you can nest script files as many as 16 levels deep If you give a script file the filename STARTUP 11 startup routines run the script file each time you start MMDS11 Syntax SCRIPT lt filename gt where lt filename gt The name of a script file the SCR extension is optional You can enter a pathname followed by the asterisk wildcard character In that case the command lists the files in the specified directory that have the SCR extension you can select a file from the list Examples gt SCRIPT INIT SCR Execute commands in file INIT SCR gt SCRIPT Display all SCR files then execute the selected file gt SCRIPT A Display all SCR files in drive A then execute the selected file SCRIPT Display all drive B files that have the extension xyz then execute the selected file MMDS110M D 6 75 MOTOROLA COMMAND LINE COMMANDS S ETMEM Customize Memory Map S ETMEM The SETMEM command lets you customize the memory map Entering this command brings up the custom map window Figure 6 6 To modify the map enter the requested addresses and press Execute F7 When your modifications are done you may write the modified map to a file press Save F6 then enter the filename at the prompt The system saves the new MEM file then executes the file as if you had pressed the F7 key RAMA RAMI RAN2 XXXX RAM3 XXXX ROMA AHAA ROHI ROM2 ROM3 XXXX V
41. RDINATE KEY COMMANDS Several commands BAUD BPROT COLORS HELP INIT INIT2 OPTION OSC SETMEM STACK TIMETAG and TMSK2 bring up subordinate windows Table 6 2 lists the key commands for these subordinate windows Note that certain key commands function differently for the subordinate windows of certain commands Table 6 2 Subordinate Window Key Commands Key Description 1 Moves cursor down one line T Moves cursor up one line lt Moves cursor left gt Moves cursor right Home Moves cursor to top line of window End Moves cursor to bottom line of window Page Down Scrolls down one page HELP only Page Up Scrolls up one page HELP only Save F6 Saves memory map to file SETMEM only and applies memory map to the MMDS11 Execute F7 Applies memory map to emulator and returns to Debug screen SETMEM only Return lt CR gt Applies selection to emulator and returns to Debug screen except SETMEM For HELP displays window for selected item For COLORS accepts the existing color selection For STACK returns to the debug screen Cancel ESC Returns to Debug screen without applying selection to emulator For COLORS returns to the debug screen without accepting any more colors For STACK returns to the debug screen 6 4 COMMAND EXPLANATIONS Table 6 3 lists the command line commands Individual explanations of these commands follow the table MMDS110M D 6 3 MOTOROLA Table 6 3 Command
42. Set Clear 1 Bit The I command sets the I bit of the condition code register CCR to the specified value NOTE The CCR bit designators are at the lower right of the CPU window The CCR pattern is SXHINZVC S is stop disable X is XIRQ interrupt mask H is half carry I is IRQ interrupt mask N is negative Z is zero V is overflow and C is carry A letter in these designators means that the corresponding bit of the CCR is set a period means that the corresponding bit is clear Syntax I 011 where 0 Clears the I bit 1 Sets the I bit Example gt I 1 Set the I bit of the CCR MMDS110M D 6 38 MOTOROLA COMMAND LINE COMMANDS INF O Display Line Information INF O The INFO command displays information about the highlighted line in the source F2 window This information includes the name of the file being displayed in the window the line number address corresponding object code and the disassembled instruction Syntax INFO Example gt INFO Display information about the highlighted line Filename LITESTCO ASM Line number d 117 Address i A700 Disassembly A700 OD SEC MMDS110M D 6 39 MOTOROLA COMMAND LINE COMMANDS INIT Set RAM and I O Mapping Initialization Register INIT The INIT command lets you change the value of the INIT register Potentially you may use this command to change the values of the OPTION TMSK2 BPROT and INIT2 registers as well If you enter this command with a value
43. TER 4 OPERATION 4 1 INTRODUCTION Operation of the MMDS11 consists of appropriately using the MMDS11 commands which Chapter 6 explains and of using the user interface to perform debugging and bus state analysis Chapter 5 explains bus state analysis This chapter describes the use of commands that e Initialize the MMDS11 e Support both debugging and bus state analysis 4 2 INITIALIZATION Initializing the MMDS11 system includes initializing the communications baud rate the memory map and the emulator loading the target software and the symbol table initializing the CPU registers and initializing the memory and the log Paragraphs 4 2 1 through 4 2 8 discuss each type of initialization If you wish you can set up a script file to perform these initialization actions automatically each time you run the MMDS11 software This file must have the name STARTUP 11 4 2 1 Communications Baud Rate For best performance of the system communications between the host and the station module should be at the maximum available baud rate At power up the MMDS11 system automatically sets the maximum baud for your system Use the BAUD command to change the baud rate Other possible rates are 2400 4800 9600 19200 38400 and 57600 baud If you enter the BAUD command with no rate value the baud window appears over the debug screen To select a rate from this window use the arrow keys to highlight the rate then press lt CR gt You may also doub
44. a is only valid when an interrupt has occurred Syntax STACK Example gt STACK Display the current configuration of the stack MMDS110M D 6 85 MOTOROLA COMMAND LINE COMMANDS STE P Single Step Trace STE P The STEP command executes a specified hexadecimal number of instructions beginning at the current program counter PC address value If you do not specify a number this command executes one instruction The STEP and T commands are identical Syntax STEP n where n The hexadecimal number of instructions to be executed NOTES Do not use any step command STEP STEPFOR STEPTIL or T if the PC points to internal RAM or EEPROM or if the code branches into internal RAM or EEPROM The step commands are not real time they execute one instruction at a time then return control to the monitor Do not rely on time tag values during any step command as the system reinitializes the time tag after executing each instruction Examples gt STEP Execute the instruction at the current PC address value gt STEP 2 Execute two instructions beginning at the current PC address value MMDS110M D 6 86 MOTOROLA COMMAND LINE COMMANDS STEPFOR Step Forever STEPFOR The STEPFOR command begins continuous instruction execution beginning at the current program counter PC address value Execution stops when you press a key Syntax STEPFOR NOTES Do not use any step command STEP STEPFOR STEPTIL or
45. a results message appears on the computer screen 8 If the results message indicates an error the MMDSII control board is bad Write down the results message this message indicates the probable problem 9 If the results message does not indicate an error but the basic selftest results message did indicate an error the EM is bad 10 If the results message does not indicate an error and the basic selftest results message did not indicate an error either then the system seems to be working within parameters If you still feel that there s a problem recheck your EM jumper configuration and your system cable connections 11 Turn off station module power Remove the selftest board as you would remove an EM This completes the selftest If either selftest indicates an error report your results to the Motorola service support center 1 800 451 3464 A technician may be able to resolve the problem over the phone If the technician determines that a board needs repair he or she will arrange for you to send the board to the center MMDS110M D 7 7 MOTOROLA INSTALLATION Table 7 1 Selftest Cable Probe Pin Connections Pod A Cable Pod B Cable Probe Color J3 Pin Signal Probe J3 Pin Signal Color Back 1 GND Black 2 GND Brown 3 PFO Brown 4 PBO Red 5 Red 6 PBI Orange 7 PF2 Orange 8 PB2
46. al port does not implement handshaking you may need to reset the MMDS11 manually The reset switch is recessed behind the small hole in the front of the station module To reset your system manually insert a probe or stiff wire into the reset switch hole Press gently to trip the switch 7 5 RUNNING SELFTESTS If your MMDS11 fails to function as specified check the EM configuration to make sure all jumpers are in the correct positions If you confirm correct EM configuration you may run two selftests to determine whether your station module or your EM is malfunctioning NOTE Always turn off station module power before removing or installing an EM or selftest board You must have a mouse installed for either the basic or the advanced selftests otherwise the tests always will fail 7 5 1 Basic Selftest This test is a software test of any MMDS11 EM To conduct this test you must have installed MMDS11 software with the selftest option Follow steps 1 through 8 1 Install the EM in the station module Do not however connect a target cable 2 Turn on station module power 3 Bring up the DOS prompt on your computer If you are not in the SELFTEST directory change to that directory 4 At the DOS prompt enter the command EMT comm port where the comm port number is 1 the default 2 3 or 4 5 The system begins the selftest At the end of the test a results message appears on the computer screen 6 If the results mes
47. and you can open a file to receive information being logged If the specified file already exists the system lets you append the current log information to that file or replace file contents with the current log information While the log file remains open the log information is written to the file Enter another LF command to terminate logging to the file or device NOTE The LF command does not automatically append a filename extenuation to log files Motorola recommends that you use the extension log for log files 4 3 COMMON OPERATIONS The commands described in the following paragraphs are common to debugging and bus state analysis Some apply to the MMDSII itself and others relate to operation in more than one mode 4 3 1 System Commands The execute script file SCRIPT command reads commands from a script file and passes them to the command interpreter for execution A script file is a text file of MMDS11 commands script files are appropriate for any sequence of commands that you use often Entering the one SCRIPT command has the same effect as entering a sequence of other commands Using script files saves time and promotes accuracy Sometimes a script file must contain a pause between commands The pause between commands WAIT command causes the command interpreter to wait before processing subsequent commands As part of the WAIT command you can enter the wait time in seconds If you do not enter a time value for the WAIT
48. argument the system accepts the value Press the F7 key to reset the MCU the system writes the new value to the register If you enter the INIT command without a value argument the system displays the options window Figure 6 3 This window lists the values of the INIT OPTION TMSK2 BPROT and INIT2 registers To change any value of the options window highlight the value then type in the new value Press the F7 key to reset the MCU the reset writes the new values to the registers Pressing the ESC key when the window is open aborts register changes Uptions ARAAAAAA INIT INIT2 AAPRAAAA F EXECUTE ESC gt CANCEL Figure 6 3 Options Window The INIT command updates the monitor with the address of RAM and I O The monitor uses this information to update the COP register and perform EEPROM programming This command changes the mapping RAM to reconfigure the memory map to an internal resource at the address of RAM and I O Some MCUS do not have internal EEPROM that is remappable via an INIT2 register For such an emulation MCU the options window does not list an INIT2 register Table 6 5 lists definitions for all the options window registers To change the value of one of the other registers you may enter a BPROT OPTION TMSK2 or INIT2 command with a value argument As with INIT entering one of these commands without a value argument brings up the options window Via this window you can change the valu
49. at would not fit within the 1K block due to established real time variables or memory enabled by the RTMEM command the system will not accept the RTVAR command If any of the real time memory overlays internal MCU I O RAM or EEPROM addresses it is available only for monitoring emulation MCU writes You should not try to modify such locations You can monitor and modify real time memory locations that do not overlay internal MCU I O RAM or EEPROM addresses MMDS110M D 6 71 MOTOROLA COMMAND LINE COMMANDS RTVAR Display Real Time Variable RTVAR Syntax RTVAR v address lt n gt where lt v gt The display variant B byte the default W word or S string lt address gt The address of the real time memory variable lt n gt The number of characters for a string variable does not apply to byte or word variables Examples gt RTVAR 100 Display in hexadecimal and binary the real time memory byte at address 100 gt RTVAR B 110 Display in hexadecimal and binary the real time memory byte at address 110 gt RTVAR W 102 Display in hexadecimal and decimal the real time memory word at address 102 gt RTVAR S 200 5 Display the five character ASCII string at address 200 of the real time memory window MMDS110M D 6 72 MOTOROLA COMMAND LINE COMMANDS S Set Clear S Bit S The S command sets the S bit of the condition code register CCR to the specified value NOTE The CCR bit designators ar
50. be used in a term to trigger the bus state analyzer Power up or a system reset clears the comparator that is gives it the value zero and pulls XA16 XA19 low This enables the emulation RAM in bank 0 Syntax EMURAM lt n gt where n A four bit hexadecimal value Example gt EMURAM C Write C to the emulation RAM bank comparator MMDS110M D 6 26 MOTOROLA COMMAND LINE COMMANDS EN DBSA Go to Trace Buffer End EN DBSA The ENDBSA command shows end of buffer data in the data screen when you return to the BSA data screen F5 Syntax ENDBSA Example gt ENDBSA Show end of buffer data in the data screen MMDS110M D 6 27 MOTOROLA COMMAND LINE COMMANDS EVAL Evaluate Argument EVAL The EVAL command displays the value of the operand in hexadecimal decimal octal and binary formats denoted by the suffixes H T O and Q Note that octal numbers are not valid as operand values Operand values are 16 bits or less If the value is printable this command also displays the value in ASCII characters The operand can be a number or the sequence number space operator space and number This command supports addition subtraction multiplication and division Syntax EVAL n1 lt op gt lt n2 gt where nl A number to be evaluated or the first operand of a simple expression to be evaluated op The arithmetic operator or of a simple expression to be eva
51. cified address If you do not enter a data value the command displays the address and prompts for a value to be stored at that address You can modify and verify data according to the command terminator lt data gt lt CR gt Update location and sequence forward data CR Update location and sequence backward data 2 CR Update location and reopen the same location data CR Update location and terminate The MM command displays consecutive addresses and prompts until you enter a period This command does not alter the contents of the program counter PC Syntax lt address gt lt n gt where address The address of a memory location to be modified n The value to be stored in the address Examples The first example does not have an n value in the command line permitting entry of new values for consecutive addresses Entering a period instead of a new value stops the command gt MM 1000 1000 OF gt 05 1001 10 gt The second example includes an lt n gt value so the command modifies only one memory location gt MM 100 OO MMDS110M D 6 50 MOTOROLA COMMAND LINE COMMANDS M O DE Display Select MCU Operating Mode M O DE The MODE command displays or lets you select the input target or user that controls the MCU operation mode Entering this command without a parameter value displays the current control mode Some HC11 emulator modules EMs do not l
52. cimal field or the binary field Type a hexadecimal digit or an X in the hexadecimal field or 0 1 or X in the binary field When you have defined your data breakpoints press the F7 key to apply the definitions If you want to save the definitions to a file press F6 then enter a filename in response to the prompt before you press F7 When execution arrives at a data breakpoint execution stops and the message Data brkpt appears in the status area of the debug screen Note that data breakpoints unlike instruction breakpoints stop the processor after the execution of the instruction In some cases depending on the data break pattern a data breakpoint may execute an additional instruction MMDS110M D 4 7 MOTOROLA OPERATION MMDS110M D 4 8 MOTOROLA BUS STATE ANALYSIS CHAPTER 5 BUS STATE ANALYSIS 5 1 INTRODUCTION The MMDS11 bus state analyzer BSA shows the logical state of the target MCU bus Next to emulation of a target system MCU this is the most important capability of a development tool it enables you to determine what is occurring in a system without actually disturbing the system At the end of each MCU clock cycle the BSA takes a snapshot of the logical states of the target MCU bus Then the analyzer stores the snapshots in the trace buffer according to its mode This action is known as storing cycles The trace buffer can hold as many as 8191 cycles Note that the analyzer is a bus state analyzer it does not s
53. command This window shows the cycles of the command just executed Figure 3 3 Analyzer Trace Window 3 2 9 The Set Memory Window The temporary set memory window Figure 3 4 appears near the center of the debug screen when you enter the set memory SETMEM command This lets you customize the memory map by mapping over memory defined as RAM ROM or undefined However mapping over internal resources such as RAM I O or EEPROM is not allowed Custon Vector F7 EXECU ESC CANCEL Figure 3 4 Set Memory Window MMDS110M D 3 8 MOTOROLA USER SCREENS 3 2 10 The Options Window The temporary options window Figure 3 5 appears near the center of the debug screen when you enter any of the commands INIT OPTION TMSK2 BPROT or INIT2 This window displays the current values of the INIT OPTION TMSK2 BPROT and INIT2 registers and lets you modify the values INIT AAAAAAAA OPTION 000100800 THSK8 apagada BPROT 11111111 INIT2 00000080 F7 EXECUTE ESC CANCEL Figure 3 5 Options Window 3 2 11 The Baud Window The temporary baud window Figure 3 6 appears near the center of the debug screen when you enter the baud BAUD command The BAUD command sets the baud rate for communications between the system controller and the host computer This window shows the available baud rates Figure 3 6 Baud Window MMDS110M D 3 9 MOTOROLA USER SCREENS 3 2 12 The Emulator Clock Frequency Window The temporary
54. connected one end of your target cable to the EM Now connect the other end of the target cable to your target system CAUTION Make sure that pin 1 of the EM target connector corresponds to pin 1 of the target system connector via the red wire Connecting the target cable any other way may damage your system A black wire if any is the ground wire When connecting a target cable press only on the connectors Do not press on the wire part of the cable as this can damage the cable NOTE During system operation if you select an external clock source the length of the target cable may prevent the target oscillator from starting 7 3 4 Power Connection The final MMDS11 connection is line power The MMDS11 power switch is the rocker switch on the left side of the station module Set the power switch to OFF Insert the female end of the power cord into the power cord socket Then plug the other end of the cord into a line power outlet and set the power switch to ON The green LED on the front of the station module lights to confirm system power MMDS110M D 7 5 MOTOROLA INSTALLATION Once the MMDS11 is powered you may turn on power for your host computer This completes connections You are ready to install MMDS11 software in the host computer per the instructions of chapter 2 7 4 RESET SWITCH RS 232 handshake signals control MMDS11 resets A reset initializes the control board from its startup point If your computer seri
55. cuit boards that complete MMDS11 functionality for one or more particular MCUs The two DIN connectors on the bottom of the EM fit into connectors on the top of the MMDS11 control board for power and signal connections The EM has a connector for the target cable The appropriate EM user s manual comes with the EM A test emulator module comes with your MMDS11 active probe with cables The active probe consists of three printed circuit boards that assume the unique requirements of a particular MCU an MCU personality board MPB a target control board TCB and a package personality board PPB Changing emulation microcontrollers becomes only configuring the appropriate active probe components for example selecting the MCU and package type for your target system Used with different active probes the MMDSI1 control board takes on a more generic role The hardware users manuals for each component of the active probe contains specific information for the active probe assembly The two active probe cables connect the active probe to the station module via two connectors on the top of the control board These cables are a low noise controlled impedance interface between the active probe board and the station module Either end of the cables can be attached to the station module or the active probe The cables are 16 inches long 1 4 HOST COMPUTER REQUIREMENTS The host computer for the MMDS11 must be hardware and software compatible with I
56. d log window gt LF If logging is enabled Disable logging and close the log file MMDS110M D 6 44 MOTOROLA COMMAND LINE COMMANDS LOAD Load S19 File LOAD The LOAD command loads a file in S19 format and any map file with the same name into the emulator Syntax LOAD filename where filename The name of the S19 file to be loaded the 519 extension is optional You can enter a pathname followed by the asterisk wildcard character In that case the command displays a window that lists the files in the specified directory that have the S19 extension Examples gt LOAD PROG1 S19 Load file PROGI S19 and its map file into the emulator at the load addresses in the file gt LOAD PROG2 Load file PROG2 S19 and its map file into the emulator at the load addresses in the file gt LOAD A Display the names of the S19 files on the diskette in drive A for user selection of a file MMDS110M D 6 45 MOTOROLA LOADMAP COMMAND LINE COMMANDS Load Symbols LOADMAP The LOADMAP command loads a map file that contains source level debug information into the host computer The command requests an appropriate filename Syntax LOAI where DMAP filename filename Examples gt LOADMAP gt LOADMAP gt LOADMAP MMDS 1 1 OM D The name of the map file to be loaded the MAP extension is optional You can enter a pathname followed by the asterisk wildcard character In tha
57. ddress The address for a breakpoint range The range of addresses for breakpoints a beginning address and an ending address separated by a space Examples gt BR 100 Set a breakpoint at address 100 gt BR 1000 103F Set 64 breakpoints at addresses 1000 through 103F Note that trying to set additional breakpoints without clearing some of these breakpoints would bring up the error message Too many breakpoints MMDS110M D 6 16 MOTOROLA COMMAND LINE COMMANDS C Set Clear C Bit C The C command sets the C bit of the condition code register CCR to the specified value NOTE The CCR bit designators are at the lower right of the CPU window The CCR pattern is SXHINZVC S is stop disable X is XIRQ interrupt mask H is half carry I is IRQ interrupt mask N is negative Z is zero V is overflow and C is carry A letter in these designators means that the corresponding bit of the CCR is set a period means that the corresponding bit is clear Syntax C 011 where 0 Clears the C bit 1 Sets the C bit Example gt C 0 Clear the C bit of the CCR MMDS110M D 6 17 MOTOROLA COMMAND LINE COMMANDS CC R Set Condition Code Register CC R The CCR command sets the condition code register CCR to the specified hexadecimal value NOTE The CCR bit designators are at the lower right of the CPU window The CCR pattern is SXHINZVC S is stop disable X is XIRQ interrupt mask H is half carry I is IRQ interrupt mask
58. e DARM or STOP command Counted events only When you enter the ARM and GO commands the trace buffer begins storing data from the specified number of cycles that match an event definition A breakpoint can stop storage before the analyzer stores the specified number of cycles as can the DARM or STOP command A B C D When you enter the ARM and GO commands the trace buffer begins storing data from all cycles This continues through the occurrence of event A B C or D whichever is enabled data storage ends after the specified number of post trigger cycles 0 When you enter the ARM and GO commands the trace buffer begins storing data from all cycles This continues through the occurrence of two events A or B followed by C or D Data storage ends after the specified number of post trigger cycles If you select this mode you must enable event A event B or both You must enable event C event D or both Otherwise the bus state analyzer never can be triggered MMDS110M D 5 5 MOTOROLA BUS STATE ANALYSIS Table 5 3 Analyzer Modes cont Mode Description When you enter the ARM and GO commands the trace buffer begins storing data from all cycles This continues through the occurrence of three events A B and C in order if event D does not occur If D occurs the sequencer starts again looking for event A Data storage ends after the specified number of post trigger cycles I
59. e EM target connector Unsnap all nylon spacers from the edges of the EM Then carefully lift the EM straight up separating it from the control board This completes EM removal 7 2 INSTALLING THE EM Follow steps 1 through 6 to install an EM l 22 Make sure that station module power is off Make sure that nylon spacers are in the correct positions for the new EM Install the new EM on the control board carefully fit the female 64 pin connectors on the bottom of the EM onto the corresponding male 64 pin connectors on the top of the control board Snap the EM onto the nylon spacers and make sure that the 64 pin connectors are firmly joined together Connect the target cable to the EM target connector Lay the cable over the lower edge of the enclosure opening See the EM user s manual for specific information on the target connector and the appropriate target cable CAUTION Make sure that pin 1 of the target cable connector corresponds to pin 1 of the target system connector via the red wire Connecting the target cable any other way may damage your system A black wire if any is the ground wire When connecting a target cable press only on the connectors Do not press on the wire part of the cable as this can damage the cable MMDS110M D 7 3 MOTOROLA INSTALLATION 5 Some HC11 EMs have an extended address connector Such a connector lets you use the MMDS11 1 megabyte bank selected memory map To do so connect t
60. e analyzer setup screen to define the triggers then press the F6 key Syntax LOADTRIGGERS filename where filename The name of the setup file to be loaded the SET extension is optional You can enter a pathname followed by the asterisk wildcard character In that case the command displays a window that lists the files in the specified directory that have the SET extension Example gt LOADTRIGGERS BSA SET Make file BSA SET the current BSA setup file gt LOADTRIGGERS BSA8 Make file BSA8 SET the current BSA setup file gt LOADTRIGGERS A Display the names of the SET files on the diskette in drive A for user selection of a file MMDS110M D 6 48 MOTOROLA COMMAND LINE COMMANDS MD Memory Display MD The MD command displays in the memory F3 window the contents of 32 emulation memory locations The specified address is the first of the 32 locations If a log file is open this command also writes the first 16 values to the log file Syntax MD address where address The starting memory address for display in the memory window Example gt MD 1000 Display the contents of 32 bytes of memory beginning at address 1000 MMDS110M D 6 49 MOTOROLA COMMAND LINE COMMANDS MM Memory Modify MM The MM command lets you interactively examine and modify contents of memory locations If you enter any values with this command the system stores the values beginning at the spe
61. e at the lower right of the CPU window The CCR pattern is SXHINZVC S is stop disable X is XIRQ interrupt mask H is half carry I is IRQ interrupt mask N is negative Z is zero V is overflow and C is carry A letter in these designators means that the corresponding bit of the CCR is set a period means that the corresponding bit is clear Syntax S 011 where 0 Clears the S bit 1 Sets the S bit Example gt S 1 Set the S bit of the CCR MMDS110M D 6 73 MOTOROLA COMMAND LINE COMMANDS SCREENBSA Log Bus State Analyzer Screen SCREENBSA The SCREENBSA command copies the current bus state analyzer display to a log file Syntax SCREENBSA Example gt SCREENBSA Copy the bus state analyzer display to the log file MMDS110M D 6 74 MOTOROLA COMMAND LINE COMMANDS SC RIPT Execute Script File SC RIPT The SCRIPT command executes a script file A script file contains a sequence of emulator commands Executing the script file has the same effect as executing the individual commands one after another This makes a script file convenient for any sequence of commands that you need often it saves time and promotes accuracy The REM and WAIT commands are useful primarily within script files The REM command lets you add to a script file a comment displayed while the script file executes The WAIT command establishes a delay between the execution of commands of the script file Note that a script file can contain the SCRI
62. e code window but not the source file window Use the CLEARMAP command to clear the source file from the host system Syntax SOURCE Example gt SOURCE Toggle the display in the source code F2 window MMDS110M D 6 82 MOTOROLA COMMAND LINE COMMANDS SPECIALBOOT Set MCU Operating Mode to Special Boot SPECIALBOOT The SPECIALBOOT command sets the MCU operating mode to special boot This command works only if the MCU mode is set to user selectable by the MODE command Related commands are EXPANDED SINGLECHIP and SPECIALTEST Some HC11 emulator modules EMs do not let you select from the host the polarity of MODEB This limits operation to single chip or expanded mode If you enter the target value with the MODE command the target selects any MCU operating mode on powerup or reset The special bootstrap mode is emulated in special test mode with the PRU enabled The bootstrap firmware may be loaded into emulation RAM and the RESETGO command issued by a script file NOTE The current hardware does not let you switch from special boot or special test to single chip or expanded by writing to the MDA bit of the HPRIO register Mode selection takes effect only upon powerup or reset Syntax SPECIALBOOT Example gt SPECIALBOOT Set the MCU to special boot mode gt MODE Display the current mode MODE USER SELECTED Special Boot gt MMDS110M D 6 83 MOTOROLA COMMAND LINE COMMANDS SPECIALTEST Set MCU
63. e to 10 MMDS110M D 6 105 MOTOROLA COMMAND LINE COMMANDS Z Set Clear Z Bit Z The Z command sets the Z bit in the condition code register CCR to the specified value NOTE The CCR bit designators are at the lower right of the CPU window The CCR pattern is SXHINZVC S is stop disable X is XIRQ interrupt mask H is half carry I is IRQ interrupt mask N is negative Z is zero V is overflow and C is carry A letter in these designators means that the corresponding bit of the CCR is set a period means that the corresponding bit is clear Syntax Z 011 where 0 Clears the Z bit 1 Sets the Z bit Example gt Z 0 Clear the Z bit in the CCR MMDS110M D 6 106 MOTOROLA COMMAND LINE COMMANDS ZOO M Resize Source Window ZOO M The ZOOM command toggles the size of the source window between normal and enlarged Syntax ZOOM Example gt ZOOM Resize the source window MMDS110M D 6 107 MOTOROLA COMMAND LINE COMMANDS MMDS110M D 6 108 MOTOROLA INSTALLATION CHAPTER 7 INSTALLATION Complete MMDS11 installation consists of configuring and installing the appropriate emulator module EM or active probe and making system cable connections If necessary consult Chapter 1 to make sure that you have all the system components including the separately purchased EM Note that EM configuration is specific to the particular EM follow the guidance of the EM user s manual Figure 7 1 shows the right side of the sta
64. eady to select the bus state analyzer trigger mode per paragraph 5 2 2 Remember that the MMDS11 stores event definitions as 32 bit values The R w bit is the most significant bit MSB the DO bit is the least significant bit LSB A range is between two such 32 bit values not between values of address fields In range mode the BSA triggers every time the input falls between the range starting term the first 32 bit value and the range ending term the second 32 bit value MMDS110M D 5 4 MOTOROLA BUS STATE ANALYSIS 5 2 2 Selecting the Trigger Mode To select a mode put an X in one of the nine mode fields in the bottom half of the bus state analyzer setup screen Table 5 3 explains the modes Table 5 3 Analyzer Modes Mode Description Continuous all cycles When you enter the ARM and GO commands the trace buffer begins storing data from all cycles This continues until execution arrives at a breakpoint or until you enter the DARM or STOP command Continuous events only When you enter the ARM and GO commands the trace buffer begins storing data from all cycles that match an event definition This continues until execution arrives at a breakpoint or until you enter the DARM or STOP command Counted all cycles When you enter the ARM and GO commands the trace buffer begins storing data from the specified number of all cycles A breakpoint can stop storage before the analyzer stores the specified number of cycles as can th
65. ector FFFE SAVE EXECUTE ESC CANCEL Figure 6 6 Custom Map Window The SETMEM command lets you map over undefined memory or memory defined as RAM or ROM You may not map over such internal resources as RAM I O or EEPROM Provided that you set up options INIT and INIT2 the system notifies you of any attempt to map over these internal areas The SETMEM command automatically maps around internal resources To specify a default MEM file to load enter at the DOS prompt mmdsll mfilename mem where filename mem is the default MEM file you created via the SETMEM command To restore the emulator to the stored map use the LOADMEM command in another session or later in this session MMDS110M D 6 76 MOTOROLA COMMAND LINE COMMANDS S ETMEM Customize Memory Map S ETMEM NOTES You may use the SETMEM command to expand MCU memory temporarily during debugging If you do be sure to restore the original size and configuration of the MCU memory before you end debugging Otherwise your code could fail to run in the target system MCU The SETMEM and SHOWMEM commands only show MMDS11 resources Use the CHIPINFO command memory map feature in combination with options INIT and INIT2 to view internal I O RAM and EEPROM locations Syntax SETMEM MMDS110M D 6 77 MOTOROLA COMMAND LINE COMMANDS SHELL Access DOS SHELL The SHELL command lets you access DOS in the host computer To return to MMDS11 from DOS enter EXIT a
66. elect this window you cannot use this window to change values Instead this window shows changes you make via other windows or changes that occur due to running code 3 2 3 The Source Code F2 Window The source code F2 window at the upper right of the debug screen shows source or object code When you first enter MMDS11 software the window defaults to object code The title of this window is CODE F2 window contents are a disassembled representation of MCU memory In this object code display the disassembled instructions change when corresponding bytes of memory change To scroll through this window press the F2 key to select the window then use the arrow keys as the mouse does not function in this window MMDS110M D 3 4 MOTOROLA USER SCREENS The contents of this window change to source code and the title changes to SOURCE filename asm if 1 You have loaded a map file and 2 The program counter PC points to a memory area covered by the map file If you have a mouse installed software command symbols appear at the bottom of the window Use the mouse or arrow keys to scroll through the information in the window Note that the F2 key does not pertain to this window if it shows source code Table 3 3 lists the key commands available in this window when it is displaying source code Table 3 3 Source Code F2 Window Key Commands Name Key Description Breakpoint Alt B Sets a breakpoint at highlighted line Find Alt F Finds the
67. emulator clock frequency window Figure 3 7 appears near the center of the debug screen when you enter the emulator clock frequency OSC command The window lets you select the emulator MCU s clock frequency and source Five internally generated clock frequencies are available 16 Mhz 8 Mhz 4 Mhz 2 Mhz and 1 Mhz 1 External Figure 3 7 Emulator Clock Frequency Window 3 2 13 The Time Tag Window The temporary time tag window Figure 3 8 appears near the center of the debug screen when you enter the time tag TIMETAG command The window lets you select the frequency and source of the time tag clock Programnahla Enul ator Figure 3 8 Time Tag Window MMDS110M D 3 10 MOTOROLA USER SCREENS 3 3 MOUSE OPERATION MMDS11 software supports a Microsoft Logitech or IBM mouse Install the mouse according to the manufacturer s instructions using the accompanying mouse driver software A mouse from a different manufacturer may be satisfactory but Motorola cannot guarantee its performance with the MMDS11 system When a program is loaded the PC is set to the start address and the debug F10 window is selected you can use the mouse to scroll through the source F2 variables F8 and memory F3 windows Clicking on an item means positioning the mouse cursor on the item then quickly pressing and releasing the left mouse button Some of the operations that you can perform require clicking on a command name these names are visib
68. erm D frame Next E Alt E Scrolls to next frame that contains any term pigs F1 Marks highlighted frame as cursor 1 F2 Marks highlighted frame as cursor 2 Go to cursor 1 Alt F1 Scrolls to cursor 1 Go to cursor 2 Alt F2 Scrolls to cursor 2 Go to trigger Alt T Scrolls to trigger frame Find Defines a search pattern and scrolls to frame that matches pattern Disp F4 Changes display mode to next in sequence Raw Instructions Mixed Source data F7 Toggles display in Data column between hexadecimal and binary tt F8 Changes time tag mode to next in sequence absolute relative none cycles Log cursor 1 cursor 2 Alt P Writes frames from cursor 1 through cursor 2 to log file Log screen Alt S Writes the frames displayed on the screen to log file Return ESC Return to Debug screen Display source name Alt N Display the source name line number MMDS110M D 5 10 MOTOROLA BUS STATE ANALYSIS Figure 5 2 shows the data screen as it displays raw bus cycles Figure 5 3 shows this screen s display of instructions Figure 5 4 shows a mixed instructions and raw bus cycle display and Figure 5 5 shows this screen s display of source code Repeatedly press the F4 key to cycle through display modes ANCA 8 STAA LOCZ LIAA LOCH ANCA 8 STAA LOCI LIAA LOCA ANCA 8 LOCA BRA START SEC LIAA LOCI ANCA 8 STAA LOCI LIAA LOG2 RA ie A Figure 5 3 Ins
69. es of any register including INIT MMDS110M D 6 40 MOTOROLA COMMAND LINE COMMANDS INIT Set RAM and I O Mapping Initialization Register INIT Table 6 5 Options Window Registers BPROT Block Protect Register X035 INIT2 1 EEPROM Mapping Register X037 1 Appears only if the emulation MCU has internal EEPROM remappable via an INIT2 register Syntax lt value gt where lt value gt A hexadecimal INIT register value Example gt Display the options window for changing any of five register values MMDS110M D 6 41 MOTOROLA COMMAND LINE COMMANDS INIT2 Set EEPROM Mapping Initialization Register INIT2 The INIT2 command lets you change the value of the INIT2 register Potentially you may use this command to change the values of the INIT OPTION TMSK2 and BPROT registers as well If you enter this command with a value argument the system accepts the value Press the F7 key to reset the MCU the system writes the new value to the register If you enter the INIT2 command without a value argument the system displays the options window Figure 6 4 This window lists the values of the INIT OPTION TMSK2 BPROT and INTI2 registers To change any value of the options window highlight the value then type in the new value Press the F7 key to reset the MCU the reset writes the new values to the registers Pressing the ESC key when the window is open aborts register c
70. esponding integer to the command C MMDS11 gt MMDS11 2 e Ifthe computer has a monochrome monitor add BW to the command C MMDS11 gt MMDS11 BW e To specify a default MEM file to be loaded automatically add the M filename option do not put a space between the M and the filename C MMDS11 gt MMDS11 M lt filename mem gt e To specify an S record file and any map file with the same name to be loaded automatically add the filename option C MMDS11 gt MMDS11 lt filename gt MMDS110M D 2 2 MOTOROLA LOADING AND INITIALIZATION e To specify a default baud rate of 9600 add the B option C MMDS11 gt MMDS11 B e To bypass the initial version screen going directly to the debug screen add the asterisk option C MMDS11 gt MMDS11 NOTE You may concatenate multiple options in the startup command The host program establishes communications with the MMDSII station module a version screen for MMDS11 software confirms this communication If this screen does not appear an error screen does the information in this screen helps determine the reason the software does not run When the version screen appears press CR that is the ENTER RETURN or carriage return key to move to the debug screen Figure 3 1 For best performance of the system communications between the host and the station module should be at the maximum available baud rate At power up the MMDS11 system auto
71. et you select from the host the polarity of MODEB This limits operation to single chip or expanded mode If you enter the target value with the MODE command the target selects any MCU operating mode on powerup or reset The special bootstrap mode is emulated in special test mode with the PRU enabled The bootstrap firmware may be loaded into emulation RAM and the RESETGO command issued by a script file NOTE Current hardware does not let you switch from special boot or special test to single chip or expanded by writing to the MDA bit of the HPRIO register Mode selection takes effect only upon powerup or reset Syntax MODE user target where user Lets you set the MCU operating mode the default value for the MODE command In this user mode you may enter single chip expanded special boot or special test commands target Lets the target set the MCU operating mode Before you enter single chip expanded special boot or special test commands you must change from this target mode to user mode Examples gt MODE Display the current mode MODE USER SELECTED Expanded gt gt MODE TARGET Let the target set the operating mode MODE TARGET SELECTED gt gt MODE USER Let the user set the operating mode via the keyboard MODE USER SELECTED Single Chip Shows current mode MMDS110M D 6 51 MOTOROLA COMMAND LINE COMMANDS N Set Clear N Bit N The N command sets the N bit of the c
72. f the WAIT4RESET command The RESETOUT command allows the RESET command to send a reset signal out the target cable The go G or GO command starts emulation at the address in the PC or at an address entered with the command Execution continues until it encounters a breakpoint until the bus analyzer optionally stops it or until you enter the STOP command If you enter a second address with the G or GO command execution stops at the second address The GOTIL command starts emulation at the location in the PC and stops at the address entered with the command The STOP command stops the emulator The STEP or T commands execute a specified number of instructions beginning at the current PC value The STEPFOR command begins instruction execution at the current PC value continuing until you press a key or until execution arrives at a breakpoint The STEPTIL command executes instructions from the current PC value to an address you specify An instruction breakpoint occurs when the MCU accesses an instruction at a specified address or an address within a specified address range When execution arrives at a breakpoint address emulation stops just before execution of the instruction at that address and the software displays this message idle Inst brkpt MMDS110M D 4 6 MOTOROLA OPERATION A properly defined breakpoint permits analysis of the contents of registers and memory locations and the states of various signals at designated addresse
73. f you select this mode you must enable events A B and C Otherwise the bus state analyzer never can be triggered If you disable event D you convert this mode to a simple three event sequence buffer begins storing data from all cycles This continues through the occurrence of four events A B C and D in order Data storage ends after the specified number of post trigger cycles If you select this mode you must enable all four events A B C then D Otherwise the bus state analyzer never can be triggered Nth event A B C D When you enter the ARM and GO commands the trace buffer begins storing data from N occurrences of cycles that match the definitions of events A B C or D whichever are enabled Then the bus state analyzer captures the next A B C D When you enter the ARM and GO commands the trace 4096 cycles Note that the terminal count or post trigger cycles are valid only for counted or sequential modes For a counted mode this field specifies the number of cycles to be stored For a sequential mode this field specifies the number of cycles to be stored after the trigger sequence occurs An X in the stop emulator field stops program execution when bus state analyzer recording is done After selecting the mode you can begin collecting data If you are ready to do so press the F7 execute key This returns you to the debug screen Paragraph 5 2 3 explains how to continue from this point
74. for 10 seconds MMDS110M D 6 100 MOTOROLA COMMAND LINE COMMANDS WAITARES ET Wait for Target Reset WAITARES ET The WAITARESET command puts the emulation MCU into the reset state until the target system provides a reset signal For this command to function properly you must enable the state of the MMDS11 with regard to a reset signal from the target system See the explanation of the RESETIN command To restore the emulator to the IDLE state enter the RESET command Syntax WAITARESET Example gt WAIT4RESET Wait for reset MMDS110M D 6 101 MOTOROLA COMMAND LINE COMMANDS WH EREIS Display Symbol Value WH EREIS The WHEREIS command displays a symbol or address If the argument is a symbol this command displays the symbol s address If the argument is an address this command displays the corresponding symbol if one is assigned If the symbol is the same as a hexadecimal address the command shows the hexadecimal address not the address of the symbol Syntax WHEREIS symbol value where symbol A symbol listed in the symbol table value A value for which a symbol is desired Example gt WHEREIS START Display the symbol START and its value gt WHEREIS 0100 Display value 0100 and its symbol if any MMDS110M D 6 102 MOTOROLA COMMAND LINE COMMANDS X Set X Index Register X The X command sets the X index register to the specified value Syntax X value where
75. gger condition set to stop execution in the analyzer occurs or an error OCCUIS Syntax GO lt address1 gt lt address2 gt where lt address1 gt Execution starting address If you enter an lt addressI gt value the system loads the value into the program counter PC then starts execution at the address in the PC If you do not enter an address1 value execution begins at the address already in the PC lt address2 gt Execution stop address The lt address2 gt value must be an instruction fetch address if it is not code execution continues as if the command had no lt address2 gt value NOTE Be careful about using the GO GOTIL or G commands if the PC points to internal RAM or EEPROM or if the code branches into internal RAM or EEPROM In these situations the STOP command does not work unless the CCR I bit is clear If you do want to execute out of internal RAM or EEPROM clear the I bit before you enter the execution command Example gt GO Begin code execution at the current PC value gt GO 232 Begin code execution at address 232 gt GO 100 171 Begin code execution at address 100 End code execution just before the instruction at address 171 MMDS110M D 6 33 MOTOROLA COMMAND LINE COMMANDS GOTI L Execute Program until Address GOTI L The GOTIL command executes the program in the emulator beginning at the address in the program counter PC Execution continues until the program counter contains the
76. gt CLEARMAP Clear symbols and their definitions MMDS110M D 6 20 MOTOROLA COMMAND LINE COMMANDS COLO RS Set Screen Colors COLO RS The COLORS command sets the screen colors Entering this command brings up the colors window This window includes a list of screen elements and a matrix of foreground background color combinations each color combination has a two digit hexadecimal number A prompt asks for the color of the first screen element To accept the current color press CR To change the color enter the number of your choice then press CR A new prompt asks for the color of the next element Select the color for each element in the same way The command ends when you select a color for the last screen element or when you press ESC In the color matrix rows correspond to background colors and columns correspond to foreground colors This means that color choices from the same row result in differently colored letters and numbers against the same background color Making the background of highlights and help screens a different color sets these elements off from the main screen The software stores color selections in file COLORS 11 when you execute MMDS11 again the software applies the newly selected colors NOTE Delete the COLORS 11 file from the MMDS11 subdirectory to return to the default colors Syntax COLORS MMDS110M D 6 21 MOTOROLA COMMAND LINE COMMANDS D Set Accumulator D D The D command sets the D
77. gument NEXTA Go to next A event EXIT Terminate host session NEXTB Go to next B event MMDS110M D 6 4 MOTOROLA COMMAND LINE COMMANDS Table 6 3 Command Summary Continued single chip Mnemonic Description Mnemonic Description NEXTC Go to next C event SOURCE Source window display NEXTD Go to next D event SPECIALBOOT Set MCU operating mode to special boot NEXTE Go to next event SPECIALTEST Set MCU operating mode to special test NOBR Clear breakpoints STACK Display stack OPTION Set the system configuration STEP Single step Trace options register OSC Select emulator clock STEPFOR Step forever frequency PC Set program counter STEPTIL Single step to address QUIT Terminate host session STOP Stop program execution REG Display registers SXB Set multiplexer REM Add comment to script file SYSINFO System information RESET Reset emulation MCU T Single step Trace RESETGO Reset and restart MCU TIMETAG Time tag clock source RESETIN Reset input enable TMSK2 Set timer interrupt mask register 2 RESETOUT Reset output enable V Set clear V bit RTMEM Set real time memory block VAR Display variable RTVAR Display real time variable VERSION Display version S
78. hanges NOTE Some MCUS do not have internal EEPROM remappable via an INIT2 register For such an MCU the INIT2 command with a value argument has no effect For such an MCU the INIT2 command without a value argument brings up the options window letting you change values of the other registers Uptions ARAAAAAA INIT INIT2 AAPRAAAA F EXECUTE ESC gt CANCEL Figure 6 4 Options Window The INIT2 command updates the monitor with the address of EEPROM The monitor uses this information to update the COP register and perform EEPROM programming This command changes the mapping RAM to reconfigure the memory map to an internal resource at the address of EEPROM MMDS110M D 6 42 MOTOROLA COMMAND LINE COMMANDS INIT2 Set EEPROM Mapping Initialization Register INIT2 Table 6 6 lists definitions for all the options window registers To change the value of one of the other registers you may enter an INIT OPTION TMSK2 or BPROT command with a value argument As with INIT2 entering one of these commands without a value argument brings up the options window Via this window you can change the values of any register including INIT2 Table 6 6 Options Window Registers NAME DEFINITION ADDRESS INT RAMand I O Mapping Register X03D OPTION System Configuration Options X039 TMSK2 Timer Interrupt Mask Register 2 X024 BPROT Block Protect Register X03
79. he desired target system address lines XA16 through 19 to the EM extended address connector Use individual wires or a cable assembly you make for these connections Lay the wires or cable over the lower edge of the station module enclosure opening as you did with the target cable The EM user s manual gives additional information about the extended address connector 6 Slide the access panel back into position The target cable should run out of the slit at the bottom edge of the access panel The extended address wires or cable if any also should run out through the same slit Secure the panel with the two screws This completes EM installation 7 3 MAKING SYSTEM CONNECTIONS Your specific application determines the number of MMDS11 connections required At the very least you must connect the station module to your host computer and to line power Paragraphs 7 3 1 through 7 3 4 explain MMDS11 connections 7 3 1 Host Computer Connection Make sure that power is turned off at your host computer Use the 9 lead serial cable to connect a host computer serial port to the MMDS11 serial cable connector on the left side of the station module Note which computer serial port you use if you do not use the COMI port the default you must include the port number in your MMDS11 software startup command If the serial port is a 25 pin connector use the 9 to 25 pin adapter between the port and the cable 7 3 2 Bus State Analyzer Connectio
80. he options window highlight the value then type in the new value Press the F7 key to reset the MCU the reset writes the new values to the registers Pressing the ESC key when the window is open aborts register changes Uptions INIT OPTION 088 17000 IHSk2 AARAAAAA BPROT 11111111 INIT2 AAARAAAA F EXECUTE ESC gt CANCEL Figure 6 7 Options Window Some MCUs do not have internal EEPROM that is remappable via an INIT2 register For such an emulation MCU the options window does not list an INIT2 register Table 6 8 lists definitions for all the options window registers To change the value of one of the other registers you may enter a BPROT OPTION TMSK2 or INIT2 command with a value argument As with TMSK2 entering one of these commands without a value argument brings up the options window Via this window you can change the values of any register including TMSK2 MMDS110M D 6 95 MOTOROLA COMMAND LINE COMMANDS TMS K2 Set Timer Interrupt Mask Register 2 TMS K2 Table 6 8 Options Window Registers BPROT Block Protect Register X035 INIT2 1 EEPROM Mapping Register X037 1 Appears only if the emulation MCU has internal EEPROM remappable via an INIT2 register Syntax TMSK2 lt value gt where lt value gt A hexadecimal TMSK2 register value Example gt TMSK2 Display the options window for changing any of five register values MMDS110M D 6 96 MOTORO
81. host session and returns to DOS The QUIT and EXIT commands are identical Another way to end a host session is to enter the ALT X keyboard combination Syntax QUIT Example gt QUIT Return to DOS MMDS110M D 6 63 MOTOROLA COMMAND LINE COMMANDS R EG Display Registers R EG The REG command displays the contents of the CPU registers in the debug F10 window Syntax REG Example gt REG Display the contents of the CPU registers MMDS110M D 6 64 MOTOROLA COMMAND LINE COMMANDS REM Add Comment to Script File REM The REM command adds a display comment to a script file When you execute the script file the system displays this comment Syntax REM text where text The display comment You need not enclose text in quotes pressing CR terminates text Example gt REM Program executing Display Program executing only during script file execution MMDS110M D 6 65 MOTOROLA COMMAND LINE COMMANDS R ES ET Reset Emulation MCU R ES ET The RESET command resets the emulation MCU and sets the program counter to the contents of the reset vector This command does not start execution of user code To reset and execute user code use the RESETGO or WAITARESET command Syntax RESET Example gt RESET Reset the MCU MMDS110M D 6 66 MOTOROLA COMMAND LINE COMMANDS RES ETGO Reset and Restart MCU RES ETGO The RESETGO command resets the emulation MCU sets the program counte
82. how signal hold or setup times As part of analyzer initialization you define certain patterns of logical states as events or terms Then you select the analyzer mode continuous counted or any of five sequential modes This determines which and how many cycles the analyzer stores Data collection cycle storage begins when you arm the analyzer and start program execution Data collection continues until execution stops through a specified number of events or through a defined sequence of events The bus state analyzer provides several ways to view collected data raw data disassembled instructions mixed raw data and disassembled instructions or source code 5 2 OPERATING THE BUS STATE ANALYZER To operate the bus state analyzer you must define events or terms select the bus state analyzer mode specify any options collect data then view the data Paragraphs 5 2 1 through 5 2 5 explain these actions MMDS110M D 5 1 MOTOROLA BUS STATE ANALYSIS 5 2 1 Defining Events Terms A term is a 32 bit value named A B C or D You define a term by entering values in one of the term lines of the bus state analyzer setup screen Figure 5 1 To bring up this screen press the F5 function key from the debug window Table 5 1 lists event definition values and their meanings Table 5 2 lists key commands for the setup screen e ae RNG Tern Hex A Xo En XX tie eee ee 1 1 1 1 Continuous Even
83. iance between analyzer events 16 general purpose logic clips four of which can be used to trigger the bus state analyzer sequencer e Six software selectable oscillator clock sources five internally generated frequencies or an external frequency via a bus analyzer logic clip e Built in power supply with 85 to 264 VAC input e Command and response logging to disk files e SCRIPT command for automatic execution of a sequence of MMDS11 commands e Assembly language source level debugging MMDS110M D 1 2 MOTOROLA INTRODUCTION e RS 222 operation speeds as high as 57600 baud e On screen context sensitive help via pop up menus and windows e CHIPINFO command for memory map vectors register and pin out information pertaining to the device being emulated e Emulation that allows multiple types of reset RESET command resets target RESETGO command resets target and begins execution WAIT4RESET command resets target via target hardware assertion of the RESET signal Internal MCU resets target via COP Mouse or keyboard control of software e Status line that displays such information as emulator state state of the bus state analyzer sequencer trace mode communications port and communications rate e Compact size 15 38 inches 390 6 mm deep 10 19 inches 258 83 mm wide and 2 75 inches 69 85 mm high The station module weighs 6 0 pounds 2 72 kg 1 3 SYSTEM COMPONENTS An MMDS11 system consists of e sta
84. ing at the first address and ending with the instruction at the second address If the range includes three or more instructions only the last three disassembled instructions are displayed in the debug F10 window Table 4 1 MC68HC11 MCU Addressing Modes Addressing Mode Operand Format Inherent No operand Direct Extended or Relative expression Immediate lt expression gt Indexed lt expression gt R Bit set or clear direct lt expression gt lt expression gt Bit set or clear indexed lt expression gt R lt expression gt Bit test and branch direct lt expression gt lt expression gt lt expression gt Bit test and branch indexed lt expression gt R lt expression gt lt expression gt MMDS110M D 4 3 MOTOROLA OPERATION 4 2 6 Memory Initialization During a debugging or bus analysis session specific memory locations should contain known values The required values are stored in memory as numeric values or as instructions assembled individually The block fill and memory modify commands let you initialize or modify memory contents The block fill BF command lets you place required numeric values in memory addresses This command defines a block of memory then places a byte or word pattern throughout the range The memory modify MM command stores a value or values you supply into a specified address in memory When you supply only an address the command displays the contents of the address followed by a
85. ion MCU has internal EEPROM remappable via an INIT2 register For most HC11 devices you must clear the BPROT register before programming EEPROM Once you clear the BPROT register bits the MM or MD commands automatically erase and reprogram the EEPROM Optionally you may download directly into EEPROM Syntax lt value gt where lt value gt A hexadecimal BPROT register value Examples gt BPROT 1F Change the BPROT register value to 1F after a reset gt BPROT Display the options window for changing any of five register values MMDS110M D 6 15 MOTOROLA COMMAND LINE COMMANDS BR Set Instruction Breakpoint BR The BR command sets an instruction breakpoint at a specified address or range of addresses The maximum number of all instruction breakpoints is 64 For a list of all active breakpoints enter this command without any parameter value A breakpoint occurs only on an address that contains an instruction that is an instruction fetch address Although this command sets breakpoints at each address of a range breakpoints occur only at the instruction fetch addresses within the range The system displays an error message if the address is within the range defined by a previous BR command or if the range of a new BR command overlaps the range of an existing BR command An error message also appears if you attempt to set a 65th breakpoint Syntax BR lt address gt lt range gt where a
86. ions window for changing any of five register values MMDS110M D 6 60 MOTOROLA COMMAND LINE COMMANDS OSC Select Emulator Clock Frequency OSC The OSC command selects the clock frequency and source Five internally generated clock frequencies are available 16 Mhz 8 Mhz 4 Mhz 2 Mhz and 1 Mhz Alternatively you can use an external clock signal supplied to the MMDSII through pod A logic clip 9 white When using the logic clip cables attach the black clip to ground Refer to the EM user s manual for EM clock information The default emulator clock rate is 8 MHz Before changing the clock rate make sure that your emulation MCU is specified to run at the new rate Entering this command without the rate argument brings up the EM oscillator window You can select a frequency or source via this window Syntax OSC lt rate gt where lt rate gt 16 8 4 2 1 or External Examples gt OSC 4 Use the 4 Mhz internal emulator clock gt OSC External Use an external emulator clock gt OSC Bring up the emulator clock window MMDS110M D 6 61 MOTOROLA COMMAND LINE COMMANDS PC Set Program Counter PC The PC command sets the program counter PC to the specified address Syntax PC address where address The new address value for the PC Example gt PC 0500 Set the PC to 0500 MMDS110M D 6 62 MOTOROLA COMMAND LINE COMMANDS QU IT Terminate Host Session QU IT The QUIT command terminates the
87. is command has one address value it clears the breakpoint at that address If this command has no address value it clears all current breakpoints If this command has two address values it clears all instruction breakpoints in the range the addresses define Syntax NOBR addressi address2 where lt address1 gt If the only address value the address of the single breakpoint to be removed If the first of two address values the beginning of the address range from which all breakpoints are to be removed lt address2 gt The last address of the range from which all breakpoints are to be removed Examples gt NOBR Clear all current instruction breakpoints gt NOBR A051 Clear the instruction breakpoint at address A051 gt NOBR A000 A010 Clear all instruction breakpoints in the address range A000 to A010 MMDS110M D 6 58 MOTOROLA COMMAND LINE COMMANDS OPTION Set the System Configuration Options Register OPTION The OPTION command lets you change the value of the OPTION register Potentially you may use this command to change the values of the INIT TMSK2 BPROT and INIT2 registers as well If you enter this command with a value argument the system accepts the value Press the F7 key to reset the MCU the system writes the new value to the register If you enter the OPTION command without a value argument the system displays the options window Figure 6 5 This window lists the values of the INIT OPTIO
88. ist of help topics commands bus state analyzer and function keys If you select commands the software displays an alphabetic index of command names from which you can select a command The command description screen shows the command name and its syntax and describes the command When appropriate the description includes examples and clarifying notes Selecting bus state analyzer brings up a description of bus state analyzer operation Selecting function keys brings up a list of screens in which function key assignments differ Select a screen to see its function key assignments Use the arrow keys to scroll within the page use the page up and page down keys to see other pages To exit the HELP database and return to the previous screen press the ESC key Syntax HELP command where command Name of a command for which a description is needed Example gt HELP Display the HELP screens gt HELP ASM Display the description of the ASM command Related Key Command F1 while in DEBUG window or bus state analyzer setup window MMDS110M D 6 36 MOTOROLA COMMAND LINE COMMANDS HOM EBSA Go to Trace Buffer Start HOM EBSA The HOMEBSA command shows start of buffer data in the data screen when you return to the BSA data screen F5 Syntax HOMEBSA Example gt HOMEBSA Show start of buffer data in the data screen upon return to the BSA data screen MMDS110M D 6 37 MOTOROLA COMMAND LINE COMMANDS
89. le click the mouse when the cursor is on the desired baud rate All data transfers between the host computer and the station module are at the specified baud rate maximum performance is at the highest rate the computer supports Use the BAUDCHK command to determine that rate However if the software displays communications error messages reduce the baud rate If communication errors persist it may be necessary to turn off disk cache MMDS110M D 4 1 MOTOROLA OPERATION 4 2 2 Standard Memory Mapping To emulate the target system effectively emulator memory needs the same mapping as the target system memory The MMDS11 automatically loads memory mapping information from the personality file This standard memory mapping applies to the MCU in the emulator module 4 2 3 Custom Memory Mapping For custom memory configurations use the customize memory map SETMEM command When you enter this command the set memory window appears over the debug screen Via this window you can define as many as four blocks of RAM and four blocks of ROM ROM is write protected attempting to write to ROM stops program execution For each memory block specify the address range memory type and reset vector To write the map to a file press the F6 function key then enter a file name in response to the prompt The filename must not duplicate the name of any MEM filename that comes as part of your MMDS11 system Press the F7 key to apply the map to memory
90. le maximum applies to variables established by both the VAR and RTVAR commands Syntax VAR v address lt n gt where lt v gt The display variant B byte the default W word or S string lt address gt The address of the memory variable lt n gt The number of characters for a string variable does not apply to byte or word variables Examples gt VAR 100 Display in hexadecimal and binary the byte at address 100 gt VAR B 110 Display in hexadecimal and binary the byte at address 110 gt VAR W 102 Display in hexadecimal and decimal the word at address 102 gt VAR S 200 5 Display the five character ASCII string at address 200 MMDS110M D 6 98 MOTOROLA COMMAND LINE COMMANDS VERSION Display Version VERSION The VERSION command displays the version of the host software and of the current personality MEM file You may use the abbreviated VER form of this command if you wish Syntax VERSION Example gt VERSION Display the version numbers of the host software and the MEM file MMDS110M D 6 99 MOTOROLA COMMAND LINE COMMANDS WAIT Pause between Commands WAIT The WAIT command causes the command interpreter to pause for a specified hexadecimal number of seconds The default is five This command primarily is useful in script files Syntax WAIT lt n gt where n The hexadecimal number of seconds to pause Example gt WAIT A Pause the command interpreter
91. le only if a mouse is connected These operations are Delete the highlighted variable in the variables F8 window click on the word DELETE at the bottom of the window e Setthe PC to the address of the instruction on a highlighted line click on PC e Set or clear a breakpoint at the highlighted instruction in the source F2 window click on the BR command name at the bottom of the window Execute instructions beginning with the instruction at the address in the PC and stopping at the highlighted instruction in the source F2 window click on the GOTIL command name at the bottom of the window e Execute the instruction at the address in the PC click on the STEP command name at the bottom of the source F2 window Begin executing instructions at the instruction at the address in the PC click on the GO command name at the bottom of the source F2 window e Display the source file line number of the highlighted line of the source F2 window along with its address disassembled contents and the name of the file click on the INFO command name at the bottom of the window e Stop executing instructions click on the STOP command name at the bottom of the source F2 window Pressing the right button of your mouse is the same as pressing the lt ESC gt key When you are using the bus state analyzer clicking both left and right buttons simultaneously is the same as pressing the help F1 key Chapter 5 explains more informa
92. les are usually installed in the directory from which the MMDS11 software is executed If a personality file is not located in that directory the software displays a window with which the user can search the directory structure to find the correct file MMDS110M D 2 1 MOTOROLA LOADING AND INITIALIZATION More than one personality file can be installed the MMDSII operating software loads the personality file that corresponds to the currently connected EM personality board 2 2 2 The Help File The MMDS11Vx HLP file contains screens for the HELP command Note that this file must be in the same directory as file MMDS11 EXE The MMDS11 on screen help system features pop up menus and windows In most situations the system is context sensitive highlight a term or expression of interest then press the FI key for help information about the term 2 3 USING THE SOFTWARE The executable software consists of the host program MMDSII EXE Before running the software make sure that an EM is installed in the station module Make sure that the asynchronous communications cable has been connected between the station module and the host computer and power has been applied to the station module If the communication cable is connected to the COMI computer port the default enter this DOS startup command C MMDS11 gt MMDS11 Note these six options for the startup command e If the MMDSII is connected to COM2 COM3 or COMA add the corr
93. lip cables always attach the black clip to ground Syntax TIMETAG lt val gt lt val2 gt where lt val gt A number frequency indicator or letter source indicator 1 MHz 22 2 MHz 4 4 MHz 8 8 MHz 16 16 MHz EX external PR programmable EM emulator lt val2 gt A frequency value according to the source indicator value of lt val gt PR an integer 50 to 50000 EX or EM areal 1 0 to 16000000 0 MMDS110M D 6 93 MOTOROLA COMMAND LINE COMMANDS TIM ETAG Time Tag Clock Source TIM ETAG Examples gt TIMETAG Display the time tag window for user selection of a frequency or source gt TIMETAG 8 Select the 8 MHz time tag frequency gt TIMETAG PR 120 Select a 120 Hz programmable source gt TIMETAG EX 30 5 Select a 30 5 Hz external source MMDS110M D 6 94 MOTOROLA COMMAND LINE COMMANDS TMS K2 Set Timer Interrupt Mask Register 2 TMS K2 The TMSK2 command lets you change the value of the TMSK2 register Potentially you may use this command to change the values of the INIT OPTION BPROT and INIT2 registers as well If you enter this command with a value argument the system accepts the value Press the F7 key to reset the MCU the system writes the new value to the register If you enter the TMSK2 command without a value argument the system displays the options window Figure 6 7 This window lists the values of the INIT OPTION TMSK2 BPROT and INIT2 registers To change any value of t
94. luated n2 The second operand of a simple expression to be evaluated Example evaluate the sum of hexadecimal numbers 45 and 32 then display the result in four bases and as an ASCII character gt EVAL 45 32 0077H 119 0001670 00000000011101110 MMDS110M D 6 28 MOTOROLA COMMAND LINE COMMANDS EXIT Terminate Host Session EXIT The EXIT command terminates the host session and returns to DOS The EXIT and QUIT commands are identical Another way to end a host session is to enter the ALT X keyboard combination Syntax EXIT Example gt EXIT Return to DOS MMDS110M D 6 29 MOTOROLA COMMAND LINE COMMANDS EXPANDED Set MCU Operating Mode to Expanded EXPANDED The EXPANDED command sets the MCU operating mode to expanded This command works only if the MCU mode is set to user selectable by the MODE command Related commands are SINGLECHIP SPECIALBOOT and SPECIALTEST Some HC11 emulator modules EMs do not let you select from the host the polarity of MODEB This limits operation to single chip or expanded mode If you enter the target value with the MODE command the target selects any MCU operating mode on powerup or reset The special bootstrap mode is emulated in special test mode with the PRU enabled The bootstrap firmware may be loaded into emulation RAM and the RESETGO command issued by a script file NOTE The current hardware does not let you switch from special boot or special test to single
95. lues of the INIT OPTION TMSK2 BPROT and INIT2 registers To change any value of the options window highlight the value then type in the new value Press the F7 key to reset the MCU the reset writes the new values to the registers Pressing the ESC key when the window is open aborts register changes Uptions INIT OPTION 088 17000 IHSk2 AARAAAAA BPROT 11111111 INIT2 AAARAAAA F EXECUTE ESC gt CANCEL Figure 6 1 Options Window Some MCUs do not have internal EEPROM that is remappable via an INIT2 register For such an emulation MCU the options window does not list an INIT2 register Table 6 4 lists definitions for all the options window registers To change the value of one of the other registers you may enter an INIT OPTION TMSK2 or INIT2 command with a value argument As with BPROT entering one of these commands without a value argument brings up the options window Via this window you can change the values of any register including BPROT MMDS110M D 6 14 MOTOROLA COMMAND LINE COMMANDS BP ROT Block Protect Register BP ROT Table 6 4 Options Window Registers NAME DEFINITION ADDRESS INIT RAM and I O Mapping Register X03D OPTION System Configuration Options X039 TMSK2 Timer Interrupt Mask Register 2 X024 BPROT Block Protect Register X035 INiT2 1 EEPROM Mapping Register X037 1 Appears only if the emulat
96. matically sets the maximum baud for your system Use the BAUD command to change the baud rate NOTE Reduce the baud rate if a communication error message appears If communication errors persist it may be necessary to turn off disk cache Enter commands in response to the MMDS11 command prompt gt When the emulation and debugging session has been completed terminate the session by entering the EXIT or QUIT command MMDS110M D 2 3 MOTOROLA LOADING AND INITIALIZATION MMDS110M D 2 4 MOTOROLA USER SCREENS CHAPTER 3 USER SCREENS 3 1 GENERAL DESCRIPTION Several screens support MMDS11 software The debug screen is an example for the way all screens work This screen implements these MMDS11 features e Debugging assembly language programs e Viewing and modifying variables using their source language names e Providing help dialogs for all commands e Displaying register contents e Displaying memory contents e Displaying emulator status For instructions on changing the colors of MMDSII screens see paragraph 3 4 or the explanation of the COLORS command in Chapter 6 Chapter 5 explains the screens unique to the MMDS11 bus state analyzer 3 2 THE DEBUG SCREEN Figure 3 1 shows the debug screen which consists of a status area and five windows that display the CPU registers source or object code variables memory contents commands and results Paragraph 3 2 1 explains the status area paragraphs 3 2 2 through 3 2 6 ex
97. mples gt BELL Sound the bell once gt BELL C Sound the bell 12 decimal times gt BELL 12 Sound the bell 18 decimal times MMDS110M D 6 12 MOTOROLA COMMAND LINE COMMANDS BF Block Fill BF The BF command fills a block of memory with a specified byte or word Syntax BF length range lt n gt where length Size of n B n is an 8 bit value the default W n is a 16 bit value range A block range of memory defined by beginning and ending addresses 0000 to SFFFF n A value to be stored in a byte or word of the specified block If lt n gt is an 8 bit value it is stored in each byte of the block if n is a 16 bit value it is stored in each word of the block Examples gt BF 200 20F FF Store FF hexadecimal in bytes at addresses 200 20F gt BF W 100 11F 4143 Store 4143 in words at addresses 100 11F MMDS110M D 6 13 MOTOROLA COMMAND LINE COMMANDS BP ROT Block Protect Register BP ROT The BPROT command lets you change the value of the BPROT register Potentially you may use this command to change the values of the INIT OPTION TMSK2 and INIT2 registers as well If you enter this command with a value argument the system accepts the value Press the F7 key to reset the MCU the reset writes the new value to the register If you enter the BPROT command without a value argument the system displays the options window Figure 6 1 This window lists the va
98. n If your work session includes bus state analysis you may need the logic cable assemblies These cables permit selection of signals not available through the target cable or through selection of external clock signals Note that the molded triangle of each cable connector designates pin 1 The cable connectors also may be keyed to the pod connectors on the right side of the station module The pod A and pod B connectors correspond to the Cable A and Cable B selections available in the bus state analyzer window MMDS110M D 7 4 MOTOROLA INSTALLATION If you need only one logic cable assembly connect it to either pod A or pod B Orient the cable connector so that its pin 1 connects to pin 1 of the pod Connect the other end of the logic cable assembly to your target system To do so connect cable probe tips to pins of a target system header or to pins of a test clip Optionally connect the probe tips to the ball clips that come with the cable assembly then connect the ball clips to appropriate points on the target system NOTE Always connect the black ground probe tip to an appropriate ground point of the target system first Use the white clip to input clock signals to the bus state analyzer If you need the second logic cable assembly connect it in the same way to the remaining pod connector of the station module Make target system connections as for the first cable 7 3 3 Target Cable Connection During EM installation you
99. n the emulation MCU Syntax STOP Example gt STOP Stop program execution in the emulation MCU MMDS110M D 6 89 MOTOROLA COMMAND LINE COMMANDS SXB Set Multiplexer SXB The SXB command sets the analyzer multiplexer outputs to be the eight logic clips of pod B or eight additional bits of the time tag NOTE When using the logic clip cables always attach the black clip to ground Syntax SXB CLIPS TAGS where CLIPS Specifies the pod B logic clips TAGS Specifies bits 23 16 of the time tag Example gt SXB TAGS Select extended time tag bits MMDS110M D 6 90 MOTOROLA COMMAND LINE COMMANDS SYSI N FO System Information SYSI NF O The SYSINFO command calls to DOS for the amount of memory available then displays this information in the debug F10 window Syntax SYSINFO Example gt SYSINFO Show system information Total memory available 187488 Largest free block 187488 MMDS110M D 6 91 MOTOROLA COMMAND LINE COMMANDS T Single Step Trace T The T command executes a specified hexadecimal number of instructions beginning at the current program counter PC address value If you do not specify a number this command executes one instruction The T and STEP commands are identical Syntax T lt n gt where n The hexadecimal number of instructions to be executed NOTES Do not use any step command STEP STEPFOR STEPTIL or T if the PC points to internal RAM or EEPROM or if
100. ne character to the left Moves cursor one character to the right Tab Moves cursor to next field Moves cursor to preceding field Scrolls to next frame that matches the selected pattern and returns to BSA Data window Clears the selected pattern ESC Returns to BSA Data window without scrolling The Frame field is decimal To scroll directly to a specific frame enter the frame number in this field If this is a don t care entry put a string of four Xs in this field MMDS110M D 5 14 MOTOROLA BUS STATE ANALYSIS The Address and Data fields are hexadecimal In these fields you can specify a range by using the Xs for the less significant digits For example 03XX in the Address field searches for addresses in the range of 0300 03FF You can specify an X in any digit position to cause that digit to be ignored in the search The R w D i BP and ER fields and the two pod fields are binary Enter 0 or 1 for each bit to be used in the search and Xs for the bits to be ignored Setting the R w bit searches for read bus cycles clearing this bit searches for write bus cycles Setting the D i bit searches for data bus cycles clearing this bit searches for instruction fetch bus cycles Setting the BP bit searches for a breakpoint bank match clearing this bit searches for a pattern where there are no breakpoint bank matches Setting the ER bit searches for an emulation RAM bank match clearing this bit searches for a pattern where there are
101. ng cables bus state analyzer 7 4 7 5 host computer 7 4 power 7 5 7 6 target 7 5 Connector cable pin assignments 7 9 7 13 signal descriptions 7 9 7 13 CPU registers initializing 4 4 CPU window debug screen 3 4 D 6 22 DARM 5 8 6 23 DASM 4 3 6 24 Data breakpoints 4 7 Data screen bus state analyzer 5 8 5 13 Debug screen 3 1 3 10 analyzer trace window 3 8 baud window 3 9 CPU window 3 4 debug F10 window 3 6 emulator clock frequency window 3 10 memory F3 window 3 6 options window 3 9 set memory window 3 8 source code F2 window 3 4 3 5 stack window 3 7 status area 3 3 3 4 time tag window 3 10 variables F8 window 3 5 Debug F10 window debug screen 3 6 Defining events bus state analyzer 5 2 5 4 Description general MMDS11 1 1 1 4 user screens 3 1 Distribution format 2 1 MMDS110M D index 5 INDEX MOTOROLA EM installing 7 3 removing 7 3 7 4 EMUBP 5 15 6 25 Emulator clock 4 2 initializing 4 2 Emulator clock frequency window debug screen 3 10 EMURAM 5 15 6 26 ENDBSA 6 27 EVAL 6 28 Events defining bus state analyzer 5 2 5 4 EXIT 6 29 EXPANDED 6 30 External clock 4 2 Features 1 1 1 3 Find pattern window 5 14 Format software distribution 2 1 Fuse replacement 7 14 7 15 G 4 6 5 8 6 31 General description MMDS11 1 1 1 4 user screens 3 1 GETBSA 6 32 GO 4 6 5 8 6 33 GOTIL 4 6 5 8 6 34 H 6 35
102. nning address of the real time memory Example gt RTMEM 0200 Set the address of the real time memory to 0200 through 021F MMDS110M D 6 70 MOTOROLA COMMAND LINE COMMANDS RTVAR Display Real Time Variable RTVAR The RTVAR command displays the specified address and its contents in the variables F8 window as a real time variable As many as 32 variables can be available for display in the variables F8 window although the window shows 11 at a time Using the RTVAR command establishes such variables as real time their values change in the variables F8 window during emulation You can also enter a new value for a real time variable during emulation Variants of this command display byte word or string values A byte display is hexadecimal and binary a word display is hexadecimal and decimal and a string display is ASCII For an ASCII string the optional n argument specifies the number of characters 12 characters is the default Control and other non printing characters appear as periods The VAR command also establishes variables for display in the variables F8 window but such variables are not real time The 32 variable maximum applies to variables established by both the RTVAR and VAR commands Real time memory consists of memory enabled by the RTMEM command plus real time variables created via the RTVAR command All this real time memory must fit within a 1K block If an RTVAR command would create a real time variable th
103. nts to internal RAM or EEPROM or if the code branches into internal RAM or EEPROM In these situations the STOP command does not work unless the CCR I bit is clear If you do want to execute out of internal RAM or EEPROM clear the I bit before you enter the execution command Example gt G Begin code execution at the current PC value gt G 146 Begin code execution at address 146 gt G 200 271 Begin code execution at address 200 End code execution just before the instruction at address 271 gt G A000 LOOP Begin code execution at address A000 End code execution just before the LOOP instruction MMDS110M D 6 31 MOTOROLA COMMAND LINE COMMANDS G ETBSA Upload Trace Buffer G ETBSA The GETBSA command uploads the contents of the bus state analyzer trace buffer to the host computer This is convenient when using a script file in conjunction with the bus state analyzer Syntax GETBSA Example gt GETBSA Upload trace buffer contents to the host computer MMDS110M D 6 32 MOTOROLA COMMAND LINE COMMANDS G O Begin Program Execution G O The GO command starts execution of code in the emulator at the current address or at a specified address If you enter one address it is the starting address If you enter two addresses execution begins at the first and stops at the second The GO and G commands are identical If you specify only one address execution continues until you enter a STOP command a breakpoint occurs a tri
104. oad an S record file into the emulator and the accompanying map symbol file into the host computer The assemble instructions ASM command is important for making minor alterations to code This command displays the specified address and its contents followed by a prompt Enter a valid instruction and press CR Table 4 1 is a list of MC68HC11 MCU addressing modes The command assembles the code stores it in memory at the indicated address and displays the instruction The command then updates its location counter and displays the updated address and a prompt for the next instruction The ASM command continues to assemble code one line at a time until you enter a period NOTE If the source code F2 window shows source code and you use the ASM command to modify the code the source code F2 window continues to show unmodified source code Enter the CLEARMAP command to remove the source code display To incorporate modifications into source code you must reassemble the code and re download The disassemble instructions DASM command complements the ASM command The DASM command lets you disassemble the contents of memory displaying the mnemonic opcodes that correspond to the values in the specified memory address range Each DASM command disassembles three instructions and displays the addresses the opcodes and the operands where appropriate When you enter the DASM command with two addresses it disassembles instructions beginn
105. oft Corporation IBM is a registered trademark of IBM Corporation CONTENTS CONTENTS CHAPTER 1 INTRODUCTION MMDS110M D MOTOROLA CONTENTS CHAPTER 4 OPERATION 2 2 v ae 2 2 2 2 3 4 23 6 7 8 2 8 L Comm MMDS110M D ii MOTOROLA CONTENTS CHAPTER 6 COMMAND LINE COMMANDS continued MMDS110M D iii MOTOROLA CONTENTS CHAPTER 6 COMMAND LINE COMMANDS continued MMDS110M D iv MOTOROLA CONTENTS CHAPTER 7 INSTALLATION MMDS110M D V MOTOROLA CONTENTS FIGURES MMDS110M D vi MOTOROLA CONTENTS TABLES MMDS110M D vii MOTOROLA CONTENTS MMDS110M D viii MOTOROLA INTRODUCTION CHAPTER 1 INTRODUCTION 1 1 GENERAL The M68MMDS11 Motorola Modular Development System MMDS 11 is a tool for developing embedded systems based on an M68HC11 microcontroller unit MCU The MMDSII is an emulator system that provides a bus state analyzer and real time memory windows The unit s integrated design environment includes an editor an assembler user interface and source level debug These features significantly reduce the time necessary to develop and debug an embedded MCU system unit s compact size requires a minimum of laboratory space The MMDS11 station module is a metal enclosure that contains a printed circuit board the control board a test emulator module TEM and an internal power supply A power cable an RS 232 serial cable two logic clip cables with clips
106. oints over the 64K HC11 memory map or a one megabyte bank selected memory map Four data breakpoints hardware breakpoints via the analyzer breakpoint chip A data breakpoint can be qualified by an address an address range data or clips e 32 variables or real time variables plus a 32 byte block of real time memory mappable anywhere within a 1K byte window over the 64K HC11 memory map e A DOS personality file for each EM Each personality file provides a foreground memory map description and a chip information file e 64K bytes of emulation memory to accommodate the largest available ROM size of current HC11 MCUs e Latch up resistant design 47 ohm series resistor on I O connections to the target system to make power up sequencing unimportant The target system is powered from a separate power supply e Built in bus state analyzer 8K x 64 real time trace buffer Four hardware triggers for controlling real time bus analysis and to provide breakpoints Nine triggering modes Display of real time trace data as raw data disassembled instructions raw data and disassembled instructions or assembly language source code As many as 8190 pre or post trigger points Trace buffer can be filled while single stepping through user software 16 bit time tag or an optional 24 bit time tag that sacrifices eight logic clips Eight software selections for the time tag clock source permitting wide time var
107. ondition code register CCR to the specified value NOTE The CCR bit designators are at the lower right of the CPU window The CCR pattern is SXHINZVC S is stop disable X is XIRQ interrupt mask H is half carry I is IRQ interrupt mask N is negative Z is zero V is overflow and C is carry A letter in these designators means that the corresponding bit of the CCR is set a period means that the corresponding bit is clear Syntax N O 1 where 0 Clears the N bit 1 Sets the N bit Example gt N 1 Set the N bit of the CCR MMDS110M D 6 52 MOTOROLA COMMAND LINE COMMANDS N EXTA Go to Next A Event N EXTA The NEXTA command positions the bus state analyzer display at the next occurrence of an A event If a log file is open this command also writes that frame to the log file Syntax NEXTA Example gt NEXTA Scroll the bus state analyzer display to the next A event Related Key Command Alt A while in bus state analyzer data window MMDS110M D 6 53 MOTOROLA COMMAND LINE COMMANDS N EXTB Go to Next B Event N EXTB The NEXTB command positions the bus state analyzer display at the next occurrence of a B event If a log file is open this command also writes that frame to the log file Syntax NEXTB Example gt NEXTB Scroll the bus state analyzer display to the next B event Related Key Command Alt B while in the bus state analyzer data window MMDS110M D 6 54 MOTOROLA COMMAND LINE COMMANDS N EXT
108. onnection 7 5 Target software loading 4 3 TIMETAG 3 10 5 7 6 93 6 94 Time tag clock 5 15 5 16 Time tag window debug screen 3 10 TMSK2 3 9 6 95 6 96 Trace buffer searching bus state analyzer 5 14 5 15 Using software 2 2 2 3 V 6 97 VAR 3 5 6 98 Variables F8 window debug screen 3 5 VERSION 4 6 6 99 Viewing data bus state analyzer 5 8 5 13 WAIT 4 5 6 100 WAIT4RESET 4 6 6 101 WHEREIS 4 5 6 102 Windows analyzer trace 3 8 baud 3 9 colors 3 12 6 21 CPU 3 4 debug F10 3 6 emulator clock frequency 3 10 find pattern 5 14 memory F3 3 6 options 3 9 set memory 3 8 source code F2 3 4 3 5 stack 3 7 subordinate key commands 6 3 time tag 3 10 variables F8 3 5 MMDS110M D index 12 INDEX MOTOROLA INDEX X 6 103 XMASK 6 104 Y 6 105 Z 6 106 ZOOM 6 107 MMDS110M D index 13 MOTOROLA INDEX MMDS110M D index 14 MOTOROLA
109. plain the five normal windows Paragraphs 3 2 7 and 3 2 13 explain two temporary windows that appear during specific operations To carry out actions associated with a window of the debug screen you select or move to the window To select a window press the numbered function key included in the window title press the F2 key to select the source code F2 window press the F8 key to select the variables F8 window and so forth Activating the debug screen includes selecting the debug F10 window Table 3 1 lists the key commands available in any of these windows MMDS110M D 3 1 MOTOROLA USER SCREENS Figure 3 1 Debug Screen Table 3 1 Key Commands for Debug Screen Windows Name ey Description Scrolls the window down one line Scrolls the window up one line Scrolls the window down one page Scrolls the window up one page Terminates host session Log Writes screen contents to log file Scrolls the window to the home line Returns to Debug F10 window MMDS110M D MOTOROLA USER SCREENS 3 2 1 The Status Area The status area at the left center of the debug screen displays several items of status information Table 3 2 explains the indicators that may appear in this area Table 3 2 Status Area Indicators Indicator Position Status Meaning Bus analyzer state left Armed bus analyzer is armed p Foge Below variables Disarmed bus analyzer is disarmed F8 window Bus analyzer sequence mode
110. r PC to the contents of the reset vector then starts execution from that address Syntax RESETGO Example gt RESETGO Reset the MCU and go MMDS110M D 6 67 MOTOROLA COMMAND LINE COMMANDS RES ETIN Reset Input Enable RES ETIN The RESETIN command makes it possible for the target system to reset the emulating MCU Entering this command toggles the MMDS11 state with regard to a reset signal from the target system If this state is enabled a reset signal from the target system resets the emulating MCU If this state is disabled a reset signal from the target system cannot reset the emulating MCU The word Reset in appears in the debug screen status area to show the enabled state The state must be enabled for proper operation of the WAIT4RESET command Syntax RESETIN Example gt RESETIN Toggle the MMDS11 RESETIN state MMDS110M D 6 68 MOTOROLA COMMAND LINE COMMANDS RES ETO UT Reset Output Enable RES ETO UT The RESETOUT command makes it possible for the MMDS11 RESET command to reset the target system Entering this command toggles the MMDS11 state with regard to resetting the target system If this state is enabled entering the RESET command resets both the emulating MCU and the target system If this state is disabled entering the RESET command resets only the emulating MCU The word Resetout appears in the debug screen status area to show the enabled state The RESETOUT command also pertains to
111. r data into the host computer MMDS110M D 5 8 MOTOROLA F Frame BUS STATE ANALYSIS Address lata RDE ine tag WiPR abs of aub AAAAAE E 3 ATAL 96 1 TE BT5BBBBRE 4 ATA a 1 aul 8 FF TE 0783 89 1 aul 7 AA 1 aul 8 n785 97 1 aul 9 ATAG a 1 aul 2 18 8838 AA BH TE 2 d375BBBBE 83 0787 96 1 TE 2 687500RRE H3 12 0788 8l 1 aul 2 0278 83 13 8881 FF 1 aul 3 1879B8BBBE 43 14 0789 89 1 TE 3 4379BBBBE 83 15 A7BA AA 1 wif 3 68T9BBBHBE 83 16 A7BB 97 1 TE 3 9375BBBBE 03 17 A7AC 8l 1 aul 4 18798BBBE 823 18 8881 AA Aill H 4 43798BBBE A 19 A7AD 95 m aul 4 68T9B8BBBE 82 A 4 9379B8BBBE 83 B lp data Fatt ESC axit c T Pilog ALT S log scrn ALT Nifilenane 20 82 FI 1 F4 Nn ALT A B C D E F1 F2 Tigoto A Figure 5 2 Bus State Analyzer Data Screen The data screen displays trace buffer contents as raw bus cycles as disassembled instructions as mixed instructions and raw bus cycles or as source code In the mixed display the associated raw bus cycles follow each disassembled instruction Press the F4 key repeatedly to change the display from one form to another Table 5 4 explains other key commands for the data screen If the data capture mode was sequential the data screen includes a trigger indicator lt T gt This screen indicator separates the pre trigger and post trigger cycles The F1 and F2 keys mark c
112. rst bus cycle A relative display mode shows the time between bus cycles A cycle display mode shows the cycle reference from the first bus cycle None blanks the time tag display You can cycle through these display modes using the F8 key while the BSA data screen is open MMDS110M D 5 15 MOTOROLA BUS STATE ANALYSIS The data screen displays the time tag as a number of seconds when you use the 1 MHz 2 MHz 4 MHz 8 MHz or 16 MHz clock To time the execution of a portion of the code use either the raw bus cycle mode or the mixed mode of the display with the absolute time tag format Select the beginning cycle and press the FI key to mark it 1 Select the ending cycle and press the F2 key to mark it 2 The software calculates the time between the two frames then displays the difference Ac in the lower right corner of the data screen An R by the Ac value indicates a rollover of the time tag value between the occurrence of cycles 1 and lt 2 gt For example if the beginning time tag is 3 26778887E03 and the ending time tag is 3 2677928E03 the difference is 0 00000400 seconds or 4 Us If the time tag is represented in clock periods the procedure is the same but the Ac value is the number of time tag clock cycles Multiply the result by the time tag clock period to obtain the elapsed time between the beginning and ending cycles For example if the beginning time tag value is 219 and the ending time tag value is 234
113. s in the program The set instruction breakpoint BR command sets a breakpoint at a specific address or at each address of a range Breakpoint addresses must be instruction fetch opcode addresses You can set a maximum of 64 breakpoints If you enter the BR command without any address the command displays all active breakpoints To clear breakpoints use the clear breakpoints NOBR command You can set as many as four special breakpoints via the bus state analyzer setup screen These data breakpoints hardware breakpoints can occur at any address or any data value and you can specify a read or write cycle In addition one of the four low order logic clips in pod A can be used in defining these breakpoints when using the logic clip cables attach the black clip to ground An emulation RAM match or breakpoint bank match can also be used to defining these breakpoints To define a data breakpoint press the F5 function key This brings up the bus state analyzer setup screen Figure 5 1 Using the arrow keys or mouse move the cursor to the space between brackets for the desired breakpoint marked Brk en Press the space bar or point to the space with the cursor and click the left mouse button to display an X in this space Then move the cursor to the control signals logic clips address or data for the breakpoint For control signals logic clips and bank comparator type 0 1 or X dont care For the address or data use either the hexade
114. sage indicates an error the EM may be bad To verify this run the advanced selftest paragraph 7 5 2 MMDS110M D 7 6 MOTOROLA INSTALLATION 7 If the results message does not indicate an error but you still feel there s a problem run the advanced selftest paragraph 7 5 2 8 Turn off station module power and remove the EM This completes the basic selftest 7 5 2 Advanced Selftest The advanced selftest can resolve whether your EM or your control board is bad To conduct this test you must install the selftest board which comes with your MMDS11 into the station module you must have installed MMDS11 software with the selftest option and you must have a mouse installed Follow steps 1 through 11 1 Install the selftest board in the station module as you would install an EM Do not however connect a target cable do not replace the access panel 2 Plug the logic cable assemblies into the pod A and pod B connectors 3 Consult Table 7 1 then connect the logic cable assembly probe tips to the correct pins of selftest board connector J3 4 Turn on station module power Bring up the DOS prompt on you computer If you are not in the SELFTEST directory change to that directory 6 At the DOS prompt enter the command RGG comm porti where the comm port number is 1 the default 2 3 or 4 7 The system begins the selftest The test takes five minutes or longer according to your computer At the end of the test
115. t case the command displays a window that lists the files in the specified directory that have the MAP extension PROG1 MAP Load map file PROGI MAP into the host computer PROG2 Load map file PROG2 MAP into the host computer A Display the names of the MAP files on the diskette in drive A for user selection of a file 6 46 MOTOROLA COMMAND LINE COMMANDS LOA DMEM Load Personality File LOA DMEM The LOADMEM command loads the memory map for the emulator with the map information from the specified file Syntax LOADMEM filename where filename The name of the memory mapping file to be loaded a personality or MEM file written by pressing the F6 key in the SETMEM window The MEM extension is optional You can enter a pathname followed by the asterisk wildcard character In that case the command displays a window that lists the files in the specified directory that have the MEM extension Examples gt LOADMEM 10001V01 MEM Make file 10001VOI MEM the current memory mapping file gt LOADMEM O1FF Make OIFF MEM the current memory mapping file gt LOADMEM A Display the names of the MEM files on the diskette in drive A for user selection of a file MMDS110M D 6 47 MOTOROLA COMMAND LINE COMMANDS LOADTRIGG ERS Load Bus State Analyzer Setup LOADTRIGG ERS The LOADTRIGGERS command loads the bus state analyzer setup information from the specified file To write such a file use the bus stat
116. t the DOS prompt MMDS11 continues to run during your shell to DOS This means that there could be insufficient memory for your DOS commands Syntax SHELL Example gt SHELL Access the DOS shell To return to the emulator session type EXIT at the DOS prompt MMDS110M D 6 78 MOTOROLA COMMAND LINE COMMANDS SHOWM EM Display Memory Map SH OWM EM The SHOWMEM command displays the currently defined blocks of RAM and ROM in the user memory map Syntax SHOWMEM Example gt SHOWMEM Display current memory map blocks MMDS110M D 6 79 MOTOROLA COMMAND LINE COMMANDS SHOWTRIGGER Print Trigger SHOWTRIGGER The SHOWTRIGGER command displays the trigger frame of the bus state analyzer buffer If a log file is open the command also writes the trigger frame to the log file Syntax SHOWTRIGGER Example gt SHOWTRIGGER Display the bus state analyzer trigger frame MMDS110M D 6 80 MOTOROLA COMMAND LINE COMMANDS SI NG LECH semcu Operating Mode to Single Chip SI NG LECH IP The SINGLECHIP command sets the MCU operating mode to single chip This command works only if the MCU mode is set to user selectable by the MODE command Related commands are EXPANDED SPECIALBOOT and SPECIALTEST Some HC11 emulator modules EMs do not let you select from the host the polarity of MODEB This limits operation to single chip or expanded mode If you enter the target value with the MODE command the target selects an
117. the difference is 15 time tag cycles At a time tag clock frequency of 4 MHz the time tag clock period is 0 25 us and the elapsed time is 3 75 us Had the same time tag values been obtained with a time tag clock frequency of 500 kHz a clock period of 2 us the elapsed time would be 30 us MMDS110M D 5 16 MOTOROLA COMMAND LINE COMMANDS CHAPTER 6 COMMAND LINE COMMANDS 6 1 INTRODUCTION Command line commands are the most important for emulation debugging and analysis As their name implies you enter these commands on the command line in the debug F10 window of the debug screen This chapter explains the rules for command syntax and arguments then gives individual explanations for each command 6 2 COMMAND SYNTAX A command line command is a line of ASCII text that you enter on the computer keyboard Press CR to terminate each line activating the command The typical command syntax is gt command lt argument gt where gt The command prompt The system displays this prompt when ready for another command lt command gt A command name in upper or lower case letters lt argument gt One or more arguments Table 6 1 explains the many kinds of possible argument values In command syntax descriptions brackets enclose optional items a vertical line means or and an ellipsis means that you can repeat the preceding item Except where otherwise noted numerical values in examples are he
118. the code branches into internal RAM or EEPROM The step commands are not real time they execute one instruction at a time then return control to the monitor Do not rely on time tag values during any step command as the system reinitializes the time tag after executing each instruction Examples gt T Execute the instruction at the current PC address value gt T 4 Execute four instructions beginning at the current PC address value MMDS110M D 6 92 MOTOROLA COMMAND LINE COMMANDS TIM ETAG Time Tag Clock Source TIM ETAG The TIMETAG command selects the frequency and source for the analyzer time tag clock You may enter this command with one parameter value val which indicates the frequency If you enter this command with a val parameter value that indicates a source you also must enter an appropriate lt val2 gt frequency value Entering this command with no parameter values brings up the time tag window from which you can select a frequency or a source If you select a frequency the system accepts the value If you select a source the system prompts for an appropriate frequency value If you select the external source connect logic clip 9 white of the pod B logic clip cable to the external clock source The pod B connector is the closest to the front of the station module Logic clip 9 is available for external clock input whether or not you select the pod B logic clips for the trace display When using the logic c
119. their contents are displayed leaving the last instructions in the range displayed in the window Example disassemble and display three instructions beginning at address 100 gt DASM 100 0100 0101 0104 MMDS110M D 01 NOP 5 8FDD D7DA STAB 00DA 6 24 MOTOROLA COMMAND LINE COMMANDS EM U BP Set Breakpoint Bank Comparator EM U BP The EMUBP command sets the breakpoint bank comparator match value The breakpoint comparator BPX checks the breakpoint bank match value against the data on the extension address lines XA16 19 When these lines equal the breakpoint match value instruction breakpoints are enabled BPX 1 BPX may be used in a term to trigger the bus state analyzer Power up or a system reset clears the comparator that is gives it the value zero and pulls XA16 19 low This enables the breakpoints in bank 0 Syntax EMUBP lt n gt where n A four bit hexadecimal value Example gt EMUBP 5 Write 5 to the breakpoint bank comparator MMDS110M D 6 25 MOTOROLA COMMAND LINE COMMANDS EM U RAM Set Emulation RAM Bank Comparator EM U RAM The EMURAM command sets the emulation RAM bank comparator match value The emulation RAM comparator ERX checks the emulation RAM bank match value against the data on extension address lines XA16 19 When these lines equal the emulation RAM match value instruction breakpoints are enabled ERX 1 ERX may
120. tion about the bus state analyzer MMDS110M D 3 11 MOTOROLA USER SCREENS 3 4 CHANGING SCREEN COLORS To change screen colors enter the COLORS command from the debug screen the colors window appears This window includes a list of screen elements and a matrix of foreground background color combinations each color combination has a two digit hexadecimal number A prompt asks for the color of the first screen element To accept the current color press CR To change the color enter the number of your choice then press CR A new prompt asks for the color of the next element Select the color for each element in the same way The command ends when you have selected a color for the last screen element or when you press ESC In the color matrix rows correspond to background colors and columns correspond to foreground colors This means that color choices from the same row result in differently colored letters and numbers against the same background color Making the background of highlights and help screens a different color sets these elements off from the main screen The software stores color selections in file COLORS 11 when you execute MMDS11 again the software applies the newly selected colors You can use the color selection file with another system to retain the selected colors NOTE Delete the COLORS 11 file from the MMDS11 subdirectory to return to the default colors MMDS110M D 3 12 MOTOROLA OPERATION CHAP
121. tion module the MMDSI1 enclosure containing the control board and the internal power supply The sliding panel in the enclosure top lets you insert an EM easily two logic clip cable assemblies twisted pair cables that connect the station module to your target system a test fixture a clock an oscillator or any other circuitry useful for evaluation or analysis One end of each cable assembly has a molded connector which fits into pod A or pod B of the station module Leads at the other end of each cable terminate in female probe tips Ball clips come with the cables e 9 lead RS 232 serial cable the cable that connects the station module to the host computer RS 232 port 9 to 25 pin adapter a molded assembly that lets you connect the nine lead cable to a 25 pin serial port e System software software on 3 1 2 inch diskettes optional target cable a separately purchased cable assembly to connect your target system to the MMDS11 system MMDSII documentation An MMDS11 operations manual MMDS110OM D this manual MMDS110M D 1 3 MOTOROLA INTRODUCTION e test emulator module TEM A printed circuit board that fits onto the 64 pin connectors of the control board for basic circuit testing of the control board and station module You do not use the TEM during actual analysis or debugging To use an MMDSI1 you also need a separately purchased active probe or EM e emulator module EM one of many printed cir
122. tion module with the access panel open The recessed reset switch and power LED are on the front of the station module The logic cable A and B connectors pod A and pod B are on the right as you face the station module When using the logic clip cables always attach the black clip to ground Figure 7 2 shows the left side of the station module with the access panel closed The power cord socket the power switch and the 9 pin RS 232 serial connector are on the left as you face the unit Also on this side of the unit is a 25 pin connector for future use NOTE This manual uses the terms eft and right relative to your left and right hands as you face the front of the station module Follow the guidance of this chapter to complete the installation of your MMDS11 MMDS110M D 7 1 MOTOROLA INSTALLATION Pod A Pod B Connector Connector Recessed Hardware Reset Power LED Switch Figure 7 1 MMDS11 Station Module Right Side Panel 5V Out 9 Pin Serial Connector Power Switch Power Cord Socket Figure 7 2 MMDS11 Station Module Left Side MMDS110M D 7 2 MOTOROLA INSTALLATION 7 1 REMOVING THE EM NOTE Always turn off station module power before removing or installing an EM Follow steps 1 through 3 to remove an EM l 2 Turn off station module power Unscrew one quarter turn the two captive screws of the access panel then slide the panel off Disconnect the target cable from th
123. to display other areas of memory To select this window press the F3 function key The scroll bar disappears use the arrow keys to display lower or higher addresses If the window shows memory values dashes replace the values when you execute code Values reappear when execution stops If you set up a real time memory range via the RTMEM command this window shows real time memory values during code execution You can modify these values when idle or during code execution via the block fill BF and memory modify MM commands Changes to these values appear in the window as the code executes 3 2 6 The Debug F10 Window The debug F10 window at the bottom of the debug screen is the selected window initially This window contains the command line identified by the command prompt You enter type a command at the prompt To activate the command press CR that is press the ENTER RETURN or carriage return key The software displays any additional prompts messages or data that pertain to the command If the command is not entered correctly or is not valid the software displays an appropriate error message Table 6 3 is a summary of the available commands detailed command descriptions follow the table After executing the command the software again displays the command prompt As a new line appears in the debug F10 window preceding lines scroll upward The window displays as many as four lines When you select any other
124. tructions Display JJ ATA 781 FI 1 F3iFind F4 ALT R B C D E F1 F2 Tiqoto BTE n Feitt T Pilog cica ALT S log scrn ALT Nifilenane Note that the instruction display includes only the frames that contain instruction fetch cycles the instructions are displayed in disassembled form A frame is one line of BSA data valid at the end of a bus cycle Frames are numbered sequentially from the first bus cycle MMDS110M D 5 11 MOTOROLA F rama Hddrass 14 A789 83 Fana F3 Find Fa Disp data FB tt ESC exit ALT A B C D E F1 Fa Tigoto AL MMDS110M D ROBE Tern WiPR 3500 LOCI 56 1011 aaaaaaaa an lili AD 1111 AARAARAA 8988 AICA 98 89 1011 A APAAAARA A BRAAARAA AA liil 3788 STAA LOCI 97 1011 A AARAAARA BH 1111 A BE 81 B PAAAAAAA 9681 LIAA LOC 96 1811 A ABRAAARA 81 1111 A ABAAAAAA 39 1111 8888888 8988 Pond 8 4A AAAAAAHA Pon A gphqyorh T Pilog ALI S log scrn ALT Nifilenane BUS STATE ANALYSIS ine tag abs inSec 7 3BBBBBBBE 82 1 AABAAAAAE 43 1 238BBBBBE 83 1 3AAAAAAAE 1 758BBBBBE 83 2 APARAAAAE 23 2 aH BERE 03 2 03 8 7200 3 3 03 3 29H BBBPBE 03 3 9BBBBBBBE 03 Figure 5 4 Mixed Raw Cycles and Instructions Display 5 12 MOTOROLA BUS STATE A
125. ts data 4 7 instruction 4 6 4 7 Bus state analysis 5 1 5 16 Bus state analyzer collecting bus data 5 8 defining events terms 5 2 5 4 introduction 5 1 modes 5 5 5 7 operating 5 1 5 16 screens data 5 8 5 13 setup 4 7 5 2 5 4 searching the trace buffer 5 14 5 15 selecting options 5 7 time tag clock 5 15 5 16 viewing data 5 8 5 13 MMDS110M D index 1 INDEX MOTOROLA C 6 17 Cables connecting 7 4 7 6 CCR 6 18 Changing screen colors 3 12 6 21 CHIPINFO 6 19 CLEARMAP 4 3 6 20 Clock signal 4 2 time tag 5 15 5 16 Collecting bus data bus state analyzer 5 8 COLORS 3 1 3 12 6 21 Colors changing 3 12 6 21 Commands command line 6 1 6 107 A 6 6 arguments 6 2 ARM 5 8 6 7 ASM 4 3 6 8 B 6 9 BAUD 3 9 4 1 6 10 BAUDCHK 4 1 6 11 BELL 6 12 BF 3 6 4 4 6 13 BPROT 3 9 6 14 6 15 BR 4 7 6 16 C 6 17 CCR 6 18 CHIPINFO 6 19 CLEARMAP 4 3 6 20 COLORS 3 1 3 12 6 21 D 6 22 DARM 5 8 6 23 DASM 4 3 6 24 EMUBP 5 15 6 25 EMURAM 5 15 6 26 ENDBSA 6 27 EVAL 6 28 EXIT 6 29 EXPANDED 6 30 MMDS110M D index 2 INDEX MOTOROLA INDEX Commands cont command line cont G 4 6 5 8 6 31 GETBSA 6 32 GO 4 6 5 8 6 33 GOTIL 4 6 5 8 6 34 H 6 35 HELP 4 6 6 36 HOMEBSA 6 37 I 6 38 INFO 6 39 INIT 3 9 6 40 6 41 INIT2 3 9 6 42 6 43 LF 4 5 6 44 LOAD 4 3 6 45 LOADMAP 6 46 LOADMEM
126. ts Only Counted Events Only Continuous All Cycles Sequential AtB C D Counted All Cycles sequential sequential 8 B 5 ID Sequential f B 2C 2D Sequential about Nth event of AtB C D gn nm trigger cycles pO POE 4068 emulator when fy co FL HELP F5 m Pe SAVE FT EXECUTE LEAR SO CANCEL Figure 5 1 Bus State Analyzer Setup Screen When the setup screen first appears the cursor is at the Trm en term enable field of the event A line Using the arrow keys or mouse move the cursor to the space between the Trm en brackets for the desired term Press the space bar or point to the space with the cursor and click the left mouse button to put an X in this space Then move the cursor to other fields to enter values that define the rest of the term For control signal and logic clip fields type 0 1 or X don t care For the address and data use either the hexadecimal field or the binary field Type a hexadecimal digit or X in the hexadecimal field spaces type a 0 1 or X in the binary field spaces When you have defined your terms press the F7 key to apply the definitions If you want to save the definitions to a file press F6 then enter a filename in response to the prompt before you press F7 MMDS110M D 5 2 MOTOROLA BUS STATE ANALYSIS NOTE If you use the backspace or delete key while in a field you must completely refill the field with 0 1 or X or the software will
127. w 3 9 set memory window 3 8 source code F2 window 3 4 3 5 stack window 3 7 status area 3 3 3 4 time tag window 3 10 variables F8 window 3 5 description general 3 1 help file 2 2 installation 2 1 2 2 personality files 2 1 2 2 user 3 3 12 SCRIPT 4 5 6 75 Script files 4 1 4 5 STARTUP 11 4 1 4 2 6 75 Searching the trace buffer bus state analyzer 5 14 5 15 Selecting options bus state analyzer 5 7 selftests 7 7 7 9 MMDS110M D index 10 INDEX MOTOROLA Set memory window debug screen 3 8 SETMEM 3 8 4 2 6 76 6 77 Setup screen bus state analyzer 4 7 5 2 5 4 SHELL 6 78 SHOWMEM 4 2 6 79 SHOWTRIGGER 5 9 6 80 Signal descriptions connector 7 10 7 13 SINGLECHIP 6 81 Software distribution format 2 1 help file 2 2 installation 2 1 2 2 personality files 2 1 2 2 target loading 4 3 using 2 2 2 3 4 1 4 7 SOURCE 6 82 Source code F2 window debug screen 3 4 3 5 SPECIALBOOT 6 83 SPECIALTEST 6 84 STACK 6 85 Stack window debug screen 3 7 STARTUP 11 script file 4 1 4 2 Status area debug screen 3 3 3 4 STEP 3 8 4 6 5 8 6 86 STEPFOR 4 6 5 8 6 87 STEPTIL 4 6 5 8 6 88 STOP 4 6 5 8 6 89 SXB 5 7 6 90 Syntax command line commands 6 1 6 2 SYSINFO 4 6 6 91 MMDS110M D index 1 1 INDEX MOTOROLA System commands 4 5 4 6 components 1 3 1 4 features 1 1 1 3 T 3 8 4 6 5 8 6 92 Target cable c
128. w debug screen 3 6 MM 3 6 4 4 6 50 MMDSII general description 1 1 1 4 initialization 4 1 4 5 operation 4 1 4 7 MODE 6 51 Modes analyzer 5 5 5 6 MCU addressing 4 3 selecting 5 5 5 7 MMDS110M D index 8 INDEX MOTOROLA N 6 52 NEXTA 5 9 6 53 NEXTB 5 9 6 54 NEXTC 5 9 6 55 NEXTD 5 9 6 56 NEXTE 5 9 6 57 NOBR 4 7 6 58 Operating bus state analyzer 5 1 5 16 commands 4 6 4 7 Operation MMDSI1 4 1 4 7 mouse 3 11 Operations common 4 5 4 7 OPTION 3 9 6 59 6 60 Options selecting bus state analyzer 5 7 Options window debug screen 3 9 Organization manual 1 5 OSC 3 10 4 2 6 61 Personality files 2 1 2 2 PC 6 37 6 62 Pin assignments connector 7 9 7 13 Pod bus state analyzer cable connection 7 4 Power cable connection 7 5 7 6 QUIT 6 63 REG 6 64 Registers CPU initializing 4 4 REM 6 65 Removing the EM 7 3 Requirements host computer 1 4 RESET 4 6 6 66 MMDS110M D index 9 INDEX MOTOROLA RESETGO 4 6 6 67 RESETIN 4 6 6 68 RESETOUT 4 6 6 69 Reset switch 7 6 RTMEM 3 6 6 70 RTVAR 3 5 6 43 6 71 6 72 S 6 73 SCREENBSA 6 74 Screens bus state analyzer data 5 8 5 13 bus state analyzer setup 4 7 5 2 5 4 debug 3 1 3 11 analyzer trace window 3 7 baud window 3 9 CPU window 3 4 debug F10 window 3 6 emulator clock frequency window 3 10 memory F3 window 3 6 options windo
129. xadecimal MMDS110M D 6 1 MOTOROLA COMMAND LINE COMMANDS as CLIPS in lower case type state id lt mcuid gt tag signal mode v Sets of keywords enter one of the set for a command Table 6 1 Argument Types Type Syntax Indicators Explanation Numeric n rate data Hexadecimal values unless otherwise noted Kod uud er For decimal values use the prefix or the suffix T 4 Y gt PS gt Eor binary values use the prefix or the suffix Q count value Example 64 100 100T 961100100 1100100Q Address lt address gt Four or fewer hexadecimal digits with leading zeros when appropriate If an address is decimal or binary use a prefix or suffix per the explanation of numeric arguments Range lt range gt A range of addresses or numbers Specify the low value then the high value separated by a space Use leading zeros if appropriate Filename lt filename gt The name of a file in DOS format eight or fewer ASCII characters You may include an optional extension three or fewer characters after a period If the file is not in the current directory precede the name with one or more directory names Keyword Capital letters such A word to be entered as shown although optionally Operator MMDS110M D lt op gt add Subtract multiply or divide 6 2 MOTOROLA COMMAND LINE COMMANDS 6 3 SUBO
130. y MCU operating mode on powerup or reset The special bootstrap mode is emulated in special test mode with the PRU enabled The bootstrap firmware may be loaded into emulation RAM and the RESETGO command issued by a script file NOTE The current hardware does not let you switch from special boot or special test to single chip or expanded by writing to the MDA bit of the HPRIO register Mode selection takes effect only upon powerup or reset Syntax SINGLECHIP Example gt SINGLECHIP Set the MCU to single chip mode gt MODE Display the current mode MODE USER SELECTED Single chip gt MMDS110M D 6 81 MOTOROLA COMMAND LINE COMMANDS SO U RC E Source Window Display SO U RC E The SOURCE command toggles between source code and disassembled code in the source code F2 window if a map file is loaded and the PC points to a memory area covered by the map file If the source code F2 window displays source code when you enter this command the window display changes to disassembled code and the title of the window changes to CODE If you enter this command when the source code F2 window displays disassembled code when a map file is loaded and when the PC points to a memory area covered by the map file the window display changes to source code The title of the window changes to SOURCE NOTE When you alter memory data that was generated from a source file the modified code appears in th
131. ycles 1 and lt 2 gt respectively The bus state analyzer uses these marked cycles in time tag difference calculations and logging The software displays the time tag difference Ac in the lower right corner of the screen An R by the Ac value indicates a rollover of the time tag value between the occurrence of cycles lt 1 gt and lt 2 gt If a log file is open you can save bus state analyzer data to the log file The system logs the information in the selected view mode While logging is under way the SHOWTRIGGER NEXTA NEXTB NEXTC NEXTD and NEXTE commands log trace buffer cycles To copy the current data screen to the log file use the Alt S key command Use the Alt P key command to log from the 1 cycle to the 2 cycle MMDS110M D 5 9 MOTOROLA BUS STATE ANALYSIS Table 5 4 Data Screen Key Commands Name Key Description Scroll Down gt Scrolls cursor down to next line Scroll Up T Scrolls cursor up to preceding line Page down Page Down Scrolls down to next page Page up Page Up Scrolls up to preceding page Home Home Scrolls to first frame End End Scrolls to highest numbered frame Next A Alt A Scrolls to next term A frame Next B Alt B Scrolls to next term B frame Next C Alt C Scrolls to next term C frame Next D Alt D Scrolls to next t

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