here. - S100 Computers
Contents
1. THE SMB MANUAL TECHNICAL DESIGN LABS TECHNICAL DESIGN LABS SYSTEM MONITOR BOARD User s Manual Copyright 1977 by TECHNICAL DESIGN LABS INC RESEARCH PARK BUILDING H 1101 STATE ROAD PRINCETON NEW JERSEY 08540 Paqe 2 System Monitor Board User s Guide INTRODUCTION The System Monitor Board SMB is designed to be used with the Technical Design Labs Z 80 CPU board the ZPU As such it is meant to operate in an S 100 bus computer mainframe such as TDL s Xitan series The SMB is extremely versatile in that it will perform the functions of several boards all on one The following is a list of it s princial functions l 2K MONITOR operating system the ZAPPLE tm Monitor in ROM read only memory 2 2K RAM read write storage for user programs auxilliary monitor routines and or stack area 3 2 SERAL I O PORTS 110 9600 baud RS232 or 20ma current loop for each port and software intialized via the monitor Can be used for TTY CRT terminal or other Serial device 4 PARALLEL I O PORT bi directional can be configured as an input or output port or dynamically changed under program control 5 SENSE SWITCH INPUT PORT allows the aser to specify the I O configuration which the system will initialize to 6 1200 BAUD CASSETTE INTERFACE Allows rapid loading and dumping of programs data in elther a checksummed hex file or a binary image format 7 JUMP TO MONITOR Contains Circuitry f2. ecquioment TDL Z80 ASSEMBLER VERSION 1 20 TM 104 SMB NO RAM PATCH FOR EXTERNAL VECTORS Page 2 of 3 BY TOM KIRK TDL 8 12 77 9 26 77 LIST PABS LADDR IF THE EMM SEMI 4804 RAM CHIPS ARE NOT PRESENT IN THE SYSTEM MONITOR BOARD THE EXTERNAL TRANSFER VECTOR AT F800 HEX CANNOT BE USED WHEN ATTEMPTING TO IMPLEMENT A USER PROVIDED I O ROUTINE OR ONE OF THE UNUSED COMMANDS THE PROCESSOR WILL EXECUTE A RST 7 INSTRUCTION IF THIS ROUTINE IS PLACED AT 0038 HEX IT WILL CAUSE A BRANCH TO THE PROPER ROUTINE BASED UPON AN ADDRESS TAKEN FROM A TABLE se wg Fh wy SF SF SS SH SE 0038 LOC 0038H RESTART 7 LOCATION 0038 C33B00 RST7 JMP NORAM SPACE FOR TRAP 003B E3 NORMA XTHL GET DUMMY RETURN 003C F5 PUSH PSW SAVE IT 003D 3EF8 MVI A OF8H TEST 003F BC CMP H RETURN 0040 2805 JRZ OK 0042 Fl NG POP PSW GO 0043 E3 XTHL gt TO 0044 C31EFO JMP OFOLEH TRAP 0047 3E23 OK MVI A 23H CHECK FOR 0049 BD CMP L BEYOND 004A 38F6 JRC NG TABLE 004C C5 PUSH B gt FOR LATER 004D 2D DCR L ADJ VALUE 004E 2600 MVI H 0 0050 010307 LXI B 703H FOR 3 0053 29 DAD H LEFT SHIFT 0054 29 DIVI DAD H AGAIN 0055 7C MOV A H SUBTRACT 0056 91 SUB C DIVISOR 0057 3802 JRC DIV2 QUOTIENT 0 0059 2 INX H QUOTIENT 1 005A 67 MOV H A NEW DIVIDEND 005B 05 DIV2 DCR B DECREMENT COUNT 005C 20F6 JRNZ DIV1 STILL MORE L HAS QUOTIENT H HAS REMAINDER 005E 2600 MVI H O CLEAR REMAINDER 0060 29 DAD H TWO BYTES 0961 017400 LXI B TABLE PER
3. switch protects the RAM while depressing the left side causes it to be unprotected may be written into as well as read from 2 3 4 CASSETTE SWITCHES 53 amp 54 Located directly below and on the same 4 bit dip switch as the RAM protect switches are two more switches S3 and S4 respectively 53 is used to choose either a microphone MIC of auxilliary AUX input for the cassette interface This setting must match with the type of input your recorder has Some have both Depessing the right side of _the_ _ Switch selects the AUX input and depressing the Jeft side _selects the Mnp S4 is the bottom switch This Switch causes the date coming into the interface to be inverted If a particular cassette recorder has an odd number of inverting audio stages in its _ input circuit the data recorded on the tape Will be inverted If the number of inverting audio stages in its output is odd the data will appear inverted from what was recorded on the tape Thus two conditions exist One in which the data is either inverted or not on RECORD And the other in which the data is either inverted or not on PLAYBACK When recording a tape and playing it back on the same unit it is a simple matter to determine the position of the invert switch It will be the same for all such recordings However when playing back tapes recorded on another unit the switch should be tried in the opposite position if the recording unit did not have the same inversion as
4. yours Trial and error will find the correct setting quickly 2 3 5 SENSE SWITCHES This port consists of an 8 bit dip switch which is located in the upper right corner of the System Monitor Board and is examined by the operating system everytime initialization occurs 1 whenever the system is reset It will determine which of the user s I O devices is to be assigned to each one of the four 4 LOGICAL DEVICES The four LOGICAL DEVICES are as follows D The console is defined as the device which enables the user to communicate to the computer and observe it s response Teletypes tm and CRT terminals are the most Da commonly used console devices b TAPE READER gt The tape reader is defined as the eyice which allows the computer to input from paper or magnetic tape _TTY_paper tape readers high speed paper tape readers and cassette decks are typical tape reader devices C TAPE PUNCH The tape punch is defined as the device which allows the computer to output to paper or magnetic tape TTY paper tape punches high speed paper tape punches and cassette decks are typical tape punch devices d LIST DEVICE The list device is defined as the device used for hard copy output It is typically a line printer a Consous gt The dip switch is physically arranged upside down on the board This is done so that while looking at the top row of switch paddles a logical 0 is represented as a pushed in paddle and a logical l
5. 4OOI TIED TOGETHER i 65 FIA EVDO RELAY f S d Copyright 1977 bv Technica Design Labs Inc Permission to copy is grantec to authorized cealers only and oniv For non ore it distribution to owners ot the referenced equioment
6. 50M asterisk indicates that the silk screen may not be above list shows Go by the will have to except Page ll have cathode band of CR12 should be arrow of CR11 should be be reversed on provision for system s power off and those with a double the label on exactly the same as the above list when there Technical Memorandum ff TECHNICAL T Mi gt DESIGN Page 1 of 3 Date September 26 1977 4 OL we SEARCH PAAK SLOG H 1191 STATE AQAD a a sp PRINCE IN NEW JEASEY 08540 609 921 0321 Equipment TDL System Monitor Board Situation Lack of EMM SEMI 4804 RAMS prevents the implementation of user I O routines Solution The enclosed routine when placed at 0038 Hex will allow the implementation of user I O routines and the 3 unused commands in the monitor Please Note This routine uses the RST 7 facility as does the break point feature of the monitor If a RST 7 is hit and is not within the external transfer vector area of the monitor this routine will restore all registers and trap to the break point However if you use the G command with more than one address then the monitor will place a jump to its break point at 00038 Hex For routine see the two attached sheets Copvricht 1977 py Technical Design Labs Inc Permission to copy is granted to authorized dealers only and only for non profit distribution to owners of the referenced
7. ENTRY 0064 09 DAD B ENTRY ADDRESS 0065 017200 GXI B JUMP 1 0068 7E MOV A M GET LOW 0069 02 STAX B BYTE 006A 23 INX H 006B 03 INX B 006C 7E MOV A M GET HIGH TM 104 Page 3 of 3 9 26 77 006D 02 STAX B gt BYTE 006E eal POP B IT S LATER 006F F1 POP PSW gt RESTORE 0070 El POP H gt REGISTERS 0071 C30000 JUMP JME SPLIT THIS TABLE IS TO BE FILLED WITH THE ADDRESSES OF THE VARIOUS I O AND COMMAND ROUTINES gt THE PRESENT ADDRESSES ARE FOR THE TTY 0074 1FF6 TABLE WORD OF61FH CONSOLE INPUT 0076 SOF4 WORD OF490H CONSOLE OUTPUT 0078 LFF6 WORD OF61FH HIGH SPEED READER 007A 1FF6 WORD OF61FH USER READER 007C 90F4 WORD OF490H HIGH SPEED PUNCH 007E 90F4 WORD OF490H USER PUNCH 0080 90F4 WORD OF490H LINE PRINTER 0082 90F4 WORD OF490H USER PRINTER 0084 20F5 WORD OFS20H CONSOLE STATUS 0086 LEFO WORD OFOLEH I COMMAND 0088 LEFO WORD OFOLEH K COMMAND 008A 1EFO WORD OFOLEH O COMMAND END SYMBOL TABLE DIVI 0054 DIV2 005B JUMP 0071 NG 0042 NORAM 00 3B OK 0047 RST7 0038 TABLE 0074 SEARCH PARK BLOG H Technical Memorandum a TECHNICAL amp J LABS i DESIGN Page 1 of 1 Date 10 19 77 1101 STATE ROAD PRINCETON HEW JERSEY 08540 609 921 0321 Equipment Situation Solution var ges en T ipa A a a O RE casu System Monitor Board Reset will not restart monitor and will cause programs to blow up TMs 108 The reset circuitry uses a CMOS one sh
8. LY MANUAL Copyright 1977 by TECHNICAL DESIGN LABS INC 1101 State Road Bldg H Princeton New Jersey 08540 CAUTION THE SYSTEM MONITOR BOARD KIT CONTAINS SEVERAL STATIC SENSITIVE DEVICES DO NOT REMOVE THESE FROM THEIR PROTECTIVE PACKAGING UNTIL THEY ARE NEEDED IN ASSEMBLY THEN FOLLOW THE HANDLING INSTRUCTIONS IN THIS MANUAL FAILURE TO HEED THIS PRECAUTION MAY RESULT IN PERMANENT DAMAGE TO THESE DEVICES AND WOULD AUTOMATICALLY VOID THE WARRANTY A ABOUT BUILDING KITS Assembling a piece of equipment and finding that it works properly on its first checkout can be a great source of pride and enjoyment Two Factors can make this experlence possible for you The first 1s quality engineering which involves properly designing the equipment securing reliable components and preparing clear assembly and operating instructions The second is careful construction We at TDL have taken care of the first factor You must be responsible for the second To help you in this we offer the following construction tips which are considered standard operating procedure in many commercial shops Following these will help ensure that your kit works properly the first time 1 ALWAYS read all of the instructions before starting to build 2 Always work in a clean well lighted area 3 Use only high quality rosin core solder of a gauge Similar to that of the leads being soldered 4 Make sure that you have all the parts needed in a given stage of con
9. T terminal is usually conneected The connections are very Similar to the TTYconnections Refer to the TTY section for any abbreviations used here without explanation The explanations are not repeated Make the same 3 jumper connections on e DB 25 as described for the TTY i e 4 to 5 6 to 8 and 20 and 1 to 7 Connect a jumper between pins 12 and 14 of Jl Note This disables the video port s 20 ma loop circuit This may also be done by removing pin 6 of IC U32 1489 from its socket Connect pin 1 of DB 25 to pin 16 of Jl Connect pin 2 Transmit of DB 25 to pin 15 VIDEO RS232 IN of Ji Connect pin 3 Receive of DB 25 to pin 9 VIDEO RS232 OUT of Jl VIDEO 20 MA CURRENT LOOP There should be two sets of 2 wires One set for the keyboard and one set for the screen Proceed as follows Take one wire from each of the two sets of wires and connect them together Then connect that junction to the minus 12 volts on Jl pin 14 Note Some terminals provide their own 12 volts and must be connected to it to work in the current loop mode Check o the terminal s manual Connect the one remaining wire from the terminal s keyboard circuit to the VIDEO 20MA IN pin 12 of Jl Connect the one remaining wire from the terminal s screen Circuit to the VIDEO 20MA OUT pin 9 of Jl 2 2 3 CASSETTE At the top of the SMB to the right of U33 there are three connection points The far left of thes
10. as a protruding paddle accomplished by depressing the BOTTOM switch paddle If you take a look at the switch you will notice that each of the eight switches is numbered starting with l on the right and ending with 8 at the ARTE P vssI U a SSS t Switches l amp 2 specify the CONSOLE device lt Switches 3 amp 4 specify the TAPE READER device gt Switches 5 amp 6 specify the TAPE PUNCH device Switches 7 amp 8 specify the LIST DEVICE Page 8 The following 18 a table showing how the switches are configured to enable the various I O devices to be assigned as one or more of the LOGICAL DEVICES ae T OP AS LOGICAL s DEVICE gt gt gt LIST PUNCH READER CONSOLE Switch gt gt gt 8 7 6 5 4 3 2 1 Teletype gt gt 0 O 0 O O 0 0 0 Video lt CRT gt 0 1 X X X x FY High Speed x x O 1 0 1 x X Paper TADPCG 6 es o pe Tomt ee Fee ee ee ee w n n s j R G ee ee m Line Printer 1 0 X X X x X X Cassette gt gt x x 1 0 Eo X X Batch Mode X x x x X x 1 0 A User Defined 1 1 1 1 l 1 1 1 S NOTES x means not applicable The user must supply his own driver software Ay to interface these devices to the monitor s yon L operating system a re In the Batch Mode the assigned Reader becomes E the Console input and the List Device becomes K the Console output Note that the computer will read from the assigned Reader as if it were a keyboard and c
11. e is labelled with an R and an arrow pointing up The center one is labelled GND for ground And the far right one is labelled with a P and an arrow ponting downward The Following is the connection proceedure Connect the shields of two shielded audio cables together and then connect them to th center GND terminal Connect the center wire of the one going to the recorder s input to the left terminal R Connect the center wire of the cable coming from the recorder s output to the right terminal P 2 2 4 PARALLEL PORT See the schematic for the pin designtions on Jl which pertain to the parallel port They are labelled PB for the port s data bits and CB for the port s control bits 2 3 SETTINGS How to configure jumpers and dip switches 2 3 1 POC RESET JUMPER At the bottom of the SMB and below IC U9 there is a jumper arrangement There are three terminals comprising the jumper arrangement One is not labelled and the other two are labelled POC and PRESET respectively Install a jumper between the unlabelled terminal and one of the others If you connect the jumper to the POC a jump to the monitor will occur when the power 1s turned on If TDL s ZPU board 18 used the jump to the monitor will also occur during a reset since the ZPU issues a POC during reset Sho this be undisireabe in your system it can be easily disabled by severing the connection between the POC and reset line on the ZPU Consult t
12. he ZPU schematic to find this connection If you connect the jumper to the PRESET a jump to the monitor will occur only when the reset switch is activated Paqe 6 2 3 2 BAUD RATE JUMPERS Immediately above IC U24 14411 in the upper left of the board there are the baud rate jumpers There are two main terminals flabelled TTY and VIDEO respctively To their left is row of Augat pins which may not have a Silk screened label indicating their function These are the individual ibaud rate termnals From left to right they are 9600 4800 1200 600 300 and 110 baud To set the SMB for the correct baud rate for the TTY port merely place the jumper wire from the TTY terminal into the baud rate terminal which corresponds to that of the TTY port s terminal usually 110 If a terminal is connected to the VIDEO port place the VIDEO jumper into the proper baud rate pin usually 9600 If the baud rate of both the TTY and the VIDEO ports are the same there 1S an extra pin on each so that either one may be plugged into the other first and the remaining one plugged into the correct baud rate pin 2 3 4 MEMORY PROTECT SWITCHES Sl amp 52 In the upper left of the board there is a4 bit dip Switch The two top switches are Sl and S2 respectively Bach protects a 1K segment of the SMB s 2K RAM memory S51 protects the RAM from F800 to FBFF and S2 protects the RAM from FCO0 to FFFF Depressing the right side of the
13. onsequently the bits on ia aan the tape are read and interpreted as an ASCII f A amp file rather than a binary dump or hex file as Mi it normally would SOFTWARE CONTROL wee E y Please note that the assignment of the I O j ae device to one of the LOGICAL DEVICES as is done by c s ie the 8 bit dip switch can also be accomplished under x we software control by using the ASSIGN command of the oe monitor s operating system For more details on this consult the section dealing with the ZAPPLE p MONITOR 2 4 OPERATION This part of the manual covers the operation of the various parts of the System Monitor Board 2 4 1 JUMP ON RESET The System Monitor Board employs a special circuit that allows the user to exercise control over the computer by gaining access to the monitor system whenever the reset button is activated If the board is being used in a computer which has a front panel the computer should be in the RUN mode if the reset is then activated the monitor will then Sign on The Same is accomplished with just activation of the reset switch on those computers without front panels 2 4 2 THE ZAPPLE MONITOR The Zapple Monitor 1S a universal operating system with comprehensive DEBUG and I O handling capabilities It contains all the needed tools to fully debug both hardware and software as well as Support the I O used by the system It has been instrumental in establishing the I O independency of TOL softwa
14. or automatically jumping to the monitor at F000H prompted by a power on clear POC and or reset 2 2 CONNECTION How to hook up various I O devices to the SMB Zodat TTY TTY stands for Teletype a registered trademark for the Teletype Corp which is the brand name fo the most popular teleprinter You may hook up your TTY to either of the_two serial I O ports That is the one labelled TTY or the one labelled V DEO The diference between the two ports lies in the fact that the monitor will handle paper tape input and output via the TTY and not via the VIDEO port TTY RS232 Using the standard EIA 25 pin connector which should be wired to the proper places on the TTY the following connections should be made TTY DB25 SMB J1 1 Frame Ground 16 Ground 2 Transmit 5T 13 TTY Input RS232 3 Receive 11 TTY Output RS232 4 Request to Send 10 TTY 20ma IN 5 Clear to Send 14 minus 12 volts 6 Data Set Readyv gt 7 Signal Ground Jl on the SMB is the blue 8 Rec d Line Detects Ansley ribbon cable connector 20 Data Terminal lt at the top right corner of the Ready board Lift pin 8 of U32 1489 out of the socket if this jumper is not installed TTY RS232 Checklist Make the following connections on the 25 pin RS232 connector DB25 going to your TTY Connect a jumper between pin 4 Request to Send and pin 5 Clear to Send Connect a jumper between pin 6 Data Set Read
15. ot CD4528 chip U9 The cassette circuit also uses the 4528 U35 But for various reasons involving response time only one manufacturer s 4528 has been found to be satisfactory for U9 the Fairchild Chip to the short supplies of Fairchild CMOS only one is packed in each System Monitor Board The SMB Due owner should make certain that the U9 is the Fair child and not some other brand chip 4528 will suffice for U35 e Copyright 1977 bv Technical Design Labs Inc Permission to copy is granted to authorized dealers only and only for non profit distribution to owners of the referenced eculoment Any brand w F wa ST mar w m ee a a eS mus s mmm sam Technical Memorandum R TECHNICAL x M t Qe DESIGN ee s 95 3 Mim LABS Date 11 17 77 1 7 2 ESEARCH PARK BLDG H 1101 STATE ROAD VCETON NEW JERSEY 08540 609 921 0321 Esurpment TOL SMR board usec wath ASR 33 TTY for tape reader Situation Macro Aseembler neelr a controlled reader SMB MODIFICATION x REMOVE CRI CR2 Kg JUMPER INPLACE OF CAI SOLUELGn The circuit below will cavse the ASR 33 to read tape under control from comeuter without Further mods to x the software Be suve to note tno medification to the AUTO PAPER TAPE READER 220K YwaTt Saf CERM DISC x i i 7 TO PINS 7 OF JJ ON 8 TTY PINS 7 8 NOR MALLY mS 17423 PN 4 51 SMB EIE IN
16. re and thereby bringing it big system features not found elsewhere All of our resident software contains _ NO I O routines whatsoever It handles all I O through vectors at the begining of the program As long as the I O vectors are honored then a Basic Fortran Text Editor etc program does not have to be concerned about whether the system is running a keyboard with video monitor display model 33 CRT terminal or whatever Another feature of the Zapple Monitor is its expandability This feature is of tremendous use aS it allows the user to attach his own additional monitor routines at the end of the monitor Such routines often include I O drivers Typical additions might be a VDM driver routine or Tarbell cassette driver routine Specific routines submitted to TDL will be made available to other users via TDL s newsletter and user s library The monitor also includes many useful subroutines that may be used by user written programs For details on these see the assembly listing elsewhere in this manual THIS MONITOR WILL COME TO BE THE MOST IMPORTANT PIECE OF SOFTWARE IN YOUR SYSTEM COMMANDS The following is a list of commands for the Zapple Monitor Precise definitions and usaqe notes are covered in the next section A ASSIGN reader punch console or list device options from the console B BYE system shut down C COMPARE the contents of memory with the reader input and display any differences D DISPLAY
17. struction before beginning that stage 5 Use the lowest power soldering iron that will get the job done A 25 watt iron is quite adequate for this kit 6 Use a fine point soldering iron and keep the tip clean and well tinned 7 Avoid overheating the PC board and components 8 Before soldering a component check to make sure that it belongs at that place Having to remove and resolder a part is difficult and it is likely that either the board or the component will be damaged in the process Apply the solder to the iron tip the pad and the SMB Assembly Manual Install all of asterisk POSITION ARL R8 51 g Us A U U6 T u8 U9 U10 8611 U12 U13 U4 4 U15 U16 U17 U18 U19 U20 U21 U22 023 U24 U25 U26 UZ 028 Y29 u30 U31 U32 U33 U34 G35 U36 The voltage at An IC with an The voltaqe at the 12 volts l2 volts voltmeters the anode The leads which do not measuring negative Turn the remove the board the kk IC ResistorPack 74LS367 8T97 8T97 74LS367 74LS367 i 74LS367 74LS367 V 74LS367 4528 74LS02 J 74LS20 74LS02 74LS27 74L820 4804 4804 4804 4804 kx k k k k k x k k x k 6850 6850 6850 74LS138 14411 74LS04 6820 TIL113 TIL113 1488 TIL113 TILI13 1489 3130 4070 4528 4047 k k k k k k following into their respective sockets e e e 3 MK34038NorC280
18. the contents of any defined memory area in Hex E END OF FILE statement generator F FILL any defined area of memory with a constant G GOTO an address and execute With breakpointing H HEX MATH Gives the sum and difference of two Hex numbers I USER DEFINED J JUSTIFY MEMORY a non destructive test for hard memory failures K USER DEFINED L LOAD a binary file M MOVE a defined memory area to another starting address N NULLS to the punch device O USER DEFINED P PUT ASCII characters into memory from the keyboard Q QUERY I O ports may output or input any value to or from any I O port R READ a Hex file Performs checksum relocating offsetting etc S SUBSTITUTE and or examine any value at any address in hex T TYPES the contents of a defined memory block in their ASCII equivalent U UNLOAD a binary tape to the punch device V VERIFY the contents of a defined memory block against that of another block and display the differences W WRITE a checksummed hex file to the punch device I X EXAMINE and or modify any or all registers including the special 2 80 registers X EXAMINE and or modify any or all of the 280 s prime registers Y Yis there Search memory for defined byte Strings and display ail the addresses where they are found Z Z end Locate and display the highest address in memory SMB Assembly Manual SYSTEM MONITOR BOARD ASSEMB
19. y pin 8 Received Line Signal Detect and pin 20 Data Terminal Ready Connect a jumper between pin 1 Frame Ground and pin 7 Signal Ground Make the following connections on the SMB S Ji the blue Ansley ribbon cable connector at the top right of the board Connect a jumper between pin 10 TTY 20ma IN and pin 14 Minus 12 Volts Note This is to disable the 20ma loop circuit The RS232 circuit will not gt work if this is not done The same disabling can also be accomplished by lifting pin of IC U32 1489 out of its socket Make the following connections between the DB25 connector and Jl on the SMB Connect pin 1 of the DB25 to pin 16 of Jl Connect pin 2 Transmit of the DB25 to pin 13 _TTY RS232 IN of Jl Connect pin 3 Receive of the DB25 to pin ll TTY RS232 OUT of Jl TTY 20ma CURRENT LOOP Connection to the TTY s current loop can be made at either the Terminal Strip TS or J2 Note In this reference Jl refers to the jack on the SMB and J2 refers to the jack on the TTY Follow the following proceedure Connect pin 8 of Jl to either pin 6 of TS or pin 7 of J2 Connect pin 10 of Jl to either pin 4 of TS or pin 6 of J2 Connect pin 14 of Jl to either pins 3 and 7 of TS or pins 5 and 8 of J2 Make sure pin 8 of IC U32 1489 has not been removed from its socket 2 2 2 VIDEO You may connect either a TTY or a CRT terminal to the Video port however a CR
Download Pdf Manuals
Related Search