SK*DOS/68K
Contents
1. 22 Educational Products Numerical Methods Course 23 68000 Hardware Course 23 sk Dos 68K Disk Operating System SK DOS 68K is a single user disk operating system for computers using Motorola 68000 family microprocessors It is ideal for applications in Industrial Control Business Use Educational Computing Scientific Computing Number Crunching Dedicated Systems Turnkey Systems Data Collection Single Board Computers Bus Oriented Computers Graphics Workstations One of a Kind Systems a Advanced Hobbyist Use SK DOS 68K is available either already configured for various systems such as those on the following pages or in a generic version which 1 easily adapted to run on a variety of other systems from 32K up to many megabytes SK DOS has been adopted by several manufacturers as the DOS of choice for their systems and is currently running on a wide range of systems from small 68008 computers up to full blown 68020 systems SK DOS 68K comes with over 40 commands and system programs including an editor assembler Basic 6809 emulator RAMdisk disk cache and utilities to read and write MS DOS disks copy by date undelete show differences between files prompted delete text file browse and more SK DOS is written to let you easily access the advanced features of the 68000 processor For example a simple program in assembly language to print out your name may take a page or two o2. 00 6 H R SPELL N FX SK DOS CHECK N TAX A R P D L E 0 PLUS HUMBUG L WRITE N SPELL E B SORT FC Z B O 0 U NEWTALK X 2 G E B D 9 Stark Star K Software Systems Corporation FOR m o j _ Box 209 d Mt Kisco New York 10549 Gln 9 Telephone 914 241 0287 d p dA BBS 914 241 3307 Fax 914 241 1537 STAR K QUALITY The best judges of our products are our customers Each of our software manuals contains a User Registration form which asks for our customers comments on our programs Here is what they write about our products This is a very interesting piece of software Keep up the good work P H N Y I really enjoy Spell N Fix It is very simple to operate I will recom mend the program to all my friends C J K CA We think your program is great Do you have any others C S IL Great Program Excellent Keep up the good work D D M NJ Without a doubt one of the best programs that I ll ever use B M Canada Works great R M CA documentation is excellent J D MA This is one of the handiest programs I have T N TL Best monitor on the market J S LA The DIR command alone is worth the price L O IL Very nice piece of software Does the job good clear manual and easy to use G M MO Excellent operating system J D MA
3. Good work Excellent program L S CA very pleased with the performance of Spell N Fix K E IL Outstanding program L T OH Impressive K M MO Good program Easy to use Good manual W W NV Intelligible user s manual Congratulations L H PA Works fine It s actually teaching me to spell after 30 years of misspell ing K G MN product names in this catalog are trademarks of Star K Software Systems Corporation We accept payment by cash check money order or COD New York State residents please add appropriate sales tax on all stock items special order items for specific system configurations are tax free Call our BBS at 914 241 3307 for information support STAR K Product Index 68000 68010 68020 Products SK DOS 68K Disk Operating System 2 SK DOS Technical Characteristics 4 Available SK DOS 8 PT6SIS 4 COmDUIGE uude ia see 5028 dew a ead dede 12 MS68k Computer System 14 HUMBUG System 16 6800 6809 Products SK DOS Disk Operating 18 STAR DOS Disk Operating System 18 STAR DOS PLUS Disk Operating 18 HUMBUG System Monitor 19 SPELL N FIX Spelling Checker 20 Check n Tax Accounting System 21 Remoterm Commterm Eliza Shrink Newtalk
4. 4K ROM for SWTP or similar SS 50 6800 systems 65 00 2K ROM for SWTP or similar SS 50 6800 systems 45 00 2K ROM for Star K SBC 02B computer 45 00 2K MICROBUG Reduced version of HUMBUG for Elektra or SWTP compatible systems 25 00 68000 68008 68010 68020 versions see pages 16 17 19 SPELL N FIX II Spell N Fix II finds and fixes spelling and typographical errors in your text files so your printed output looks and 1 perfect Completely menu driven even a child can do it Spell N Fix II is a joy to use As it proofreads your text it shows the text in full upper and lower case on the top part of your screen while looking up every word in its dictionary When a suspect word is found you see it in context as part of the text and Spell N Fix asks you what to do with it You then decide let it pass add it to the dictionary fix it or look it up in the dictionary If the correct spelling is there you can substitute it with just two key strokes and go on Spell N Fix II comes with 20 000 word dictionary which has been carefully compiled from words commonly used in addition you may add your own favorite words such as names addresses or special technical or even foreign words Spell N Fix II requires a minimum of 32K memory and at least one disk drive and right now 15 only available for the Color Computer SHAREWARE SPELL N FIX II is a shareware program We will send you a disk with Spell n
5. Fix II for 2 Try it out for 30 days if you find it useful then we ask that you register your copy for 25 and we will send you the full manual and registration Or send 50 and receive a larger 40 000 word dictionary as well SPELL N FIX The Original Spell N Fix is still available for 6800 and 6809 DOS users and for CoCo users who do not have disk The tape version finds errors in your text file and displays them on the screen or printer Disk versions also add valid words to the dictionary and correct words in the text file as well Color Computer without disk 49 29 6809 STAR DOS SK DOS STAR DOS PLUS or Flex 49 29 6800 Flex 2 0 or Miniflex 49 29 Percom 6800 DOS 49 29 Color Computer OS 9 XSPELL 49 95 20 CHECK N TAX It s difficult to explain CHECK N TAX in just a few short words but we ll try Itis a package of eleven programs which maintain four data files which contain information about checks you write and bills you pay At any time you can print out data in the files either completely or by type of expense or search for specific items The files are standard sequential files so if for some reason you want to add delete or change information or edit it in any way any standard editor or word processor will do it At the end of the year CHECK N TAX can print a yearly summary of expenses by category CHECK N TAX supports up to 99 categories of your own choosing and any check or other it
6. O devices and disk drives to be reassigned as needed so additional devices and drives can be brought in as needed Depending on the available hardware SK DOS can support floppy disks up to 16 megabytes in size and hard disks up to 64 megabytes Hard disks can be partitioned into up to four partitions Files as well as entire disks can be software write protected SK DOS 68K supports I O redirection from the command line using the and symbols as in Unix or MS DOS to either disk files or I O devices It also supports batch files and batch files can call other batch files In addition application programs can pass a command line to SK DOS as if it came from the console and have it executed Combined with the fact that it is easy to reserve memory for resident programs this makes it easy to add an alternate command processor or shell which totally changes the user interface Files written to disk normally contain the file creation or last modifica tion date In addition each file entry may also contain a creation or modification time if the system contains a clock calendar IC If such hardware 1 not available then SK DOS 68K defaults to sequentially numbering files each day and records the sequence number rather than the time Disk catalog utilities are provided which list disk contents either in the order on the disk in alphabetic order in order by date and time or in order by date and number the latter two MOW the l
7. Time delay program for batch files Frank Neuner BBS SORT Sort a file by various fields UG SPELLB Spelling Checker PB STEPRATE Change default drive steprate time SKD STONES Awari type game UG STRINGS Find text strings in text or command files UG SUBCAT Subdirectory Manager PB SYSTEM Change or display current system default drive SKD TCAT Display disk catalog with latest files on top SKD TIME Display or set clock calendar setting SKD TMODEM Modem program for Xmodem protocol from Unix UG TOLOWER Change upper case files to upper lower case SKD TOMSDOS Export files from SK DOS to MSDOS SKD TRACENAB Set up a program for tracing SKD UBASIC Basic language interpreter SKD UNCOMPR uncompress an LZ compressed file done with compress UG UNDELETE Bring back a deleted file SKD UNIQ Delete duplicate lines from a sorted file UG UNSQCMPR Compare two text files for differences from Unix UG VERIFY Turn disk verify on or off SKD VERSION Display version number of a command file SKD WC Word count program from Unix UG WHIMSICAL Structured language compiler SS WORK Change or display current work default drive XARC File uncompress program ME XREF create a cross reference listing of a program file C asm etc UG Y ASE Yet Another Screen Editor OU 11 THE 68 4 SK DOS 68000 COMPUTER The PT68K 2 68000 Compu
8. UG COMPAR Compare two files UG COMPARE Compare two complete disks SKD COPY copy one or more files between disks with options SKD CURSOR Adjust cursor type OU CUT Cut out columns from text files UG DAMON Display drive track sector for each disk access SKD DELETE Delete a file from a disk SKD DEVICE Install a new I O device on system SKD DIFF Display differences between two text files SKD SK DOS 68K Continued DIRS Display current directories on a disk P K Morrison BBS DIS 68000 68010 Disassembler UG DISKEDIT Examine and edit disk files UG DISKNAME Display or change name or date of disk volume SKD DOSPARAM Display or change current DOS or device parameters SKD DRIVE Install or change active system drives SKD ECHO Echo command line with hex octal etc from Unix UG EDDI Screen Editor PB EDLIN Simple line editor SKD ED Screen editor written in C available in source UG EDX Unix ED like line editor UG ELIZA Popular psychiatrist simulator game SKD EMACS Editor based on Micro Emacs from Unix UG EZMODEM Screen oriented modem communications program ME FDUMP Hex file dump program to examine disk files UG FIND Find a text string inside a file SKD FORMAT Format a floppy disk SKD FROMSDOS Import a file from MSDOS to SK DOS SKD FTOH Copy an entire floppy disk to a hard or RAM disk file SKD FUNIQ
9. also available in a generic source code version usable for adaptation to new systems A source code version is also supplied with the SK DOS Configuration Kit In both forms the price is 100 The source code is contained on a floppy disk available in SK DOS MS DOS or Flex format HUMBUG is also available for OEM licensing at attractive terms contact us for additional information and prices 17 6809 Disk 6809 SK DOS SK DOS is a single user disk operating system for 6809 based comput ers such as the Elektra SWTP Gimix Hazelwood and others including many of the 6809 single board computers such as the PT 69 from Periph eral Technology It is a very much simplified version of our SK DOS 68K described on earlier pages but for users who do not need the full power of a 68K system SK DOS was originally designed to run all the same programs which run with Flex from Technical Systems Consultants There is a wide variety of software available including Basic editors assemblers and cross as semblers sort merge text processors and formatters compilers for Pas cal C and Basic modem programs spell checkers etc It is available in several variations depending on your hardware and is also supported by other manufacturers Individual copies of SK DOS cost 75 a Configuration Manual is available for 25 STAR DOS STAR DOS is an earlier version of 6809 SK DOS designed to run on a Color Co
10. 0 simplified 6809 but contains 128 bytes of built in RAM The board also has space for 2Kx8 or 4Kx8 EPROM of RAM one 6821 PIA for up to 20 input output lines and a serial RS 232C port which uses two of the PIA lines Only an external power transformer is required for opera tion as the rectifier filter and regulator are also onboard There 1s also a wire wrap area which allows you to wire custom interfaces or other circuitry A big feature of the SBC 02 B is its cost the bare board with full instructions is just 25 and full parts kits are also available starting at 50 To support operation of the SBC 02 B we provide the following software HUMBUG which provides control of the computer via serial termi nal operating at 110 300 or 1200 baud specify which costs 45 BASIC which provides full floating point operation and costs 50 A 6800 6802 cross assembler which is written in Basic and can run on almost any other computer including Apples TRS 80s etc The listing of this version is 10 System prices are as follows Bare board with instructions 25 00 Controller Kit 128 byte RAM no RS 232 50 00 Computer Kit includes RAM RS 232C 70 00 Complete Kit with HUMBUG specify baud rate 100 00 Complete Kit with Basic specify baud rate _ 100 00 Any of above wired and tested add 50 00 24 ORDER FORM Name _ Street Town State amp Zip Telephone System Description
11. 8K wired with 256K 450 MS68K wired with 256K and SK DOS 525 PT68K 4 12 MHz minimal kit DRAM PT68K 4 16 MHz kit with 512K DRAM SK DOS etc i PT68K 4 wired with 1 meg DRAM and SK DOS PT69 USED wired 6809 system with 64K SK DOS 5325 Other systems are available contact us for details 15 In order to operate every 68K system needs a system monitor in ROM This monitor program contains the very first instructions performed when the computer is first turned on It performs the basic initialization of the system which is required to allow it to work and becomes the monitor which oversees the direct operation of the hardware at least until such time as you boot a DOS or other application program The HUMBUG HUMBUG 68K monitor performs that function HUMBUG responds to two letter commands from the keyboard Al though there are slight variations between versions most versions imple Specifications ment the following commands AD Al AO BP BR CO CS FD FI FM HA HD HE JS JU LO MC ME MO MS MT RC RD RE SS ST 16 Formatted ASCII dump ASCII Input ASCII Output Print Breakpoints Breakpoint set reset Continue Checksum Boot SK DOS from floppy disk Find Fill memory Hex and ASCII dump Hex Dump Help Jump to System program Jump to User program Load 51 59 binary format Memory compare Memory examine and change Move memory Memory S
12. D PASTE Paste data from multiple files together UG PAT Screen Editor OU PDELETE Prompted delete utility SKD PEEK Allow examining memory from SK DOS command line SKD POKE Allow changing memory from SK DOS command line SKD POSITION Position cursor on line Frank Neuner BBS PPR Page printer program to format output to printer UG PROMPT Change SK DOS prompt SKD PROTECT Change file attributes to delete protect etc SKD RAMDISK Set up a RAM disk to speed up system SKD RBASIC Full Basic Interpreter MC READ Browse through text files backwards and forwards SKD REDOFREE Display disk parameters and rearrange free space SKD RENAME rename a disk file SKD REPLACE String replacement program UG S4SKDOS converts 54 53 records to com file UG S4LOAD convert 54 53 records binary for EPROM programmer UG S4UNDOS converts file to 54 53 format file UG SAUNLOAD converts a binary memory image to 54 53 UG SC Small C compiler available in source and object UG SCAT Sequenced catalog utility SKD 10 SK DOS 68K Continued SCSIEVE Sieve program for testing C compiler UG SE Screen editor UG SEQUENCE Change sequence number for systems without clock SKD SFIND String find program UG SHAR Archive program for combining files for transmission UG SINSTR Another version of SFIND UG SKCC C Compiler CSC SLEEP
13. Remove duplicate lines from non sorted file does not sort UG GREP Find strings within a file from Unix UG HDFORMAT Format a hard disk SKD HECHO Hex Echo program by Jim Hughes UG HELP Provides instructions to user on how to use SK DOS SKD HERC Driver for Hercules monochrome board emulates TVI 920C UG HTOF Opposite of FTOH above SKD IOSTAT Show I O equipment currently recognized by system SKD JINK Relocatable Loader OU KRACKER 68000 file to file disassembler text can be reassembled PB LINK Prepare a floppy disk for booting SKD LIST Display contents of a disk text file SKD LOCATE Display load addresses of a binary file SKD LOGIC Schematic drawing program PB SK DOS 68K Continued LONGSIDE Prints two files side by side for comparison UG LS Similar to LIST command from Unix UG MAKEMPTY Generate an empty data file SKD MEMTEST Memory test program UG MICRO SPELL Spelling checker UG MODULA 2 Compiler soon to come MOZART Music composition program PB MSDIR Display directory of MSDOS disk ME BBS MSREAD Read an MSDOS disk ME BBS MSWRITE Write an MSDOS disk ME BBS NCB C beautifier program to restructure a C program UG NOBEEP Opposite of BEEP above SKD NRO Runoff type text processor from Unix UG PAGE Unix like program to page through a text file UG PARK Park a hard drive before shutting it off SK
14. SPECIFICATIONS Processor 68000 Clock speed 12 16 MHz Size 12 L x 8 5 W fits in XT cabinet Power Supply Connector fits XT style power supply DRAM 512K to 4 Meg no wait states SRAM 4K to 64K optional battery back up EPROM 32K 64K or 128K ROM monitor HUMBUG included Serial ports 4 using two MC68681 DUARTSs Parallel ports 2 using MC68230 usable for printer Floppy interface 2 on motherboard type either WD1772 or WD37C65 number of drives 1104 disk capacity 360K to 1 4 Meg per drive Clock calendar on board with battery Interrupt timers 22 Expansion 7 PC XT compatible I O connectors memory expansion connector Operation via serial terminal or PC keyboard video 13 MS68K SK DOS 68000 COMPUTER The MS68K Single Board Computer 15 complete 68000 system on a 534 by 8 board which can mount on a 5 4 disk drive It supports up to 512K of zero wait state DRAM up to 128K of EPROM two serial ports a parallel port an expansion bus a built in floppy disk controller and an optional SCSI controller for controlling an external hard disk interface Memory Expansion boards are available for up to 12 5 megabytes of total RAM Because of its compact size and reliable construction the system is ideal for either software development or control applications It includes a ROM monitor for debugging and runs the SK DOS disk operating system In normal use the system is operated from a serial terminal or any compute
15. _ Quantit Description N Y Sales Tax Shipping Handling Circle Cash Check Money Order COD SEEN MEN BENE Subtotal EREN Sorry credit cards at this time We recently switched to a new bank andit will be some time until our credit card account is again established Signature From Star K Software Systems Corp 209 Mt Kisco N Y 10549 Address Requested To
16. atest files first SK DOS 68K Continued Available Software for SK DOS 68K The following partial list of SK DOS software is coded as follows UG SK DOS Users Group CSC Computer Systems Consultants Inc Palm Beach Software SS Spray Software MC Micronics Research Corp SKD Supplied with SK DOS System disk BBS Available for downloading from the SK DOS BBS at 914 241 3307 ME Michael Evenson BBS at 817 488 8398 OU Other Users Print alphabetized disk catalog SKD APPEND Append two disk files SKD AREACODE Finds telephone area codes UG ASCII Convert keypress into its ASCII code SKD ASM 68000 68010 Native assembler SKD ASMK Fast 68000 Assembler PB ASMxx Crossassemblers for Z80 8048 8085 many more CSC BACKUP Make a backup of a floppy disk SKD Add a beep to system prompt SKD BIGCAL Prints a big calendar UG BUILD Generate short text files without an editor SKD C Full K amp R Compiler UG or CSC CACHE Cache program to speed up floppy disk operation SKD CAL Prints a calendar UG CALLS Does analysis of function calls within a C program UG CAT Print disk directory with additional data SKD CCHECK Check a C program indentation and comments UG CHECKSUM to checksum of disk contents SKD CMODEM Modem program for communications UG CMON Debugging monitor OU CMP File compare program by Jim Hughes
17. d DOS calls become simple DC commands For example instead of calls such as INT 16h which are used in 8088 systems SK DOS uses calls such as DC SWRITE to write a sector DC FOPEN to open a file or DC OUTCH to output a character When used with a system ROM such as HUMBUG SK DOS allows convenient debugging of programs under development TRACE com mand in SK DOS allows a program to be loaded and then entered in trace single step mode The ROM debugger then takes over and permits tracing or breakpointing Combined with the simple user interface this makes it very convenient to use the 68000 for CPU intensive applications SK DOS Functions and Commands SK DOS 68K is provided with a full complement of utilities including those needed to format copy backup and test disks display disk con tents build list append rename or delete files and change system parameters This includes the obvious utilities like COPY CAT RE NAME or DELETE as well as utilities which depend on pee hardware such as TIME HDFORMAT or PARK SK DOS 68K is also supplied with an editor a full 68000 assembler and a somewhat limited Basic language interpreter which allow you to immediately get started learning the power of SK DOS Other programs and utilities are supplied to make SK DOS more convenient or to speed up its operation The RAMDISK command allows you to set up a RAM disk up to 1 megabyte in size the CACHE command sets up a disk cache w
18. e memory beginning at 0000 All memory above SK DOS 68K is available for user programs and utilities It is relatively easy to implement TSR Terminate and Stay Resident programs for example SK DOS 68K is supplied with a RAM disk program which can reserve 16K or more of memory as a RAM disk This program and its data area would normally be loaded once and then stay in memory above SK DOS SK DOS maintains memory pointers which define the bottom and top of free memory Unlike SK DOS 68K itself disk resident commands such as CAT or LIST as well as user written programs are written in position indepen dent code When executed these are loaded by SK DOS 68K into the free space above SK DOS 68K itself and above any TSR programs that may have been previously loaded Hence such user programs and utilities will run in any SK DOS 68K system even one where SK DOS 68K has been located at some other address Since SK DOS 68K may not lie in the same place on all systems user programs must be position independent Moreover all calls to SK DOS 68K as well as all references to SK DOS 68K variables must also be position independent Hence all such calls are through exception SK DOS 68K Continued vectors and all references to SK DOS 68K variables are through relative addressing For assembly language users SK DOS comes with an equates file which allows all system variables and functions to be called by their symbolic names Using this metho
19. em can be assigned to up to two categories How does the data get into the files in the first place In one of two ways First items such as bills receipts or even income items can be entered simply by typing them at the keyboard one of the CHECK N TAX programs is called ADDITEMS and is used just for that Checks can be entered that way too but a better way 1s to use the checkbook balancing part of CHECK N TAX There are other checkbook balancing programs available but most of them just use an expensive computer to do what a cheap calculator could do better Not CHECK N it contains two programs called BALANCEI and BALANCE2 which are quite unique They do a complete cross check between the actual checks what your checkbook stubs say about those checks and what the bank says about them Any differences get identified fast They also maintain a monthly file of outstanding checks and deposits this is done automatically so you never have to check off checks on your stubs or search to see whether a particular check has come back from the bank or not Each month you geta complete printout of what checks or deposits are still outstanding and any differences between what you think your account should have and what the bank thinks you have In short you know exactly where you stand at all times CHECK N TAX isavailable for Coco disk systems using Radio Shack disk Basic or for SK DOS STAR DOS or Flex using TSC Extended Basic
20. hich tremendously speeds up access in floppy based systems UN DELETE permits files to be retrieved sometimes as long as days or weeks after they have been deleted REDOFREE permits disk space to be compacted or compressed to speed up disk access A rather unique utility is SK DOS09 This is acomplete 6809 SK DOS and a 6809 emulator program It allows you to run standard 6809 programs on your 68K system although they do run at reduced speed For those users who have a substantial base of 6809 software using either 6809 SK DOS 68K Continued SK DOS or 6809 Flex this allows them to run such popular programs as 6809 editors spreadsheets assemblers and cross assemblers word processors compilers and more Like its 6809 predecessor SK DOS 68K contains program callable functions to do file maintenance open read write and close sequential and random files read and write individual sectors access the disk directory input and output characters strings and numbers process command line arguments parse file names report errors and more SK DOS 68K has also been designed to make expansion easy A standardized system of calling disk and terminal drivers makes it possible to add additional device drivers without great complexity SK DOS 68K supports up to ten logical disk drives so a system can contain as little as one drive plus perhaps a RAM disk or as many as ten drives Further more the DEVICE and DRIVE commands allow I
21. ils SK DOS 68K Continued Overview SK DOS 68K is a single user disk operating system for computers using Motorola 32 bit CPUs such as the 68008 68000 68010 and 68020 Although SK DOS 68K contains quite a variety of advanced features these are totally transparent to a beginning user and are not necessary for actual use They are there for those who want them System Compatibility SK DOS 68K can be used in systems from as small as 32K up to 16 megabytes or more To date it has been configured for 68xxx systems made by Data Comp Inc Dominic Evans Industries England Emerald Computers Inc Hazelwood Systems Marion Systems Micro Concepts England NCR Peripheral Technology Ralph Allen Engineering England a VCS Computer Systeme GmbH Germany and others Some of these versions are available from us others are supplied by the equipment manufacturers In addition a number of other manufacturers are using SK DOS in embedded applications such as data collection or machine control A do it yourself 68000 computer project using SK DOS was featured in a series of articles beginning in the October 1987 issue of Radio Electronics Magazine There is a generic version of SK DOS which is user configurable for other computers This version includes a Configuration Manual which describes how to implement SK DOS 68K on a new system It comes with a disk with source code for the terminal and disk drivers boot program disk format uti
22. l versions are in Basic and Pascal or Fortran also available for MS DOS 68000 Hardware Course This course covers 68000 hardware in a very simple do it yourself approach It consists of the PT68K 2 computer described earlier in kit form plus a textbook which is keyed to the kit The book breaks down the computer system into small easily under stood circuits Each chapter of the book starts by describing a circuit how it works and why each componentis there Then it provides a construction procedure to build that circuit and finally a test procedure to check it out and see how it works One customer told us the explanation of how dynamic RAM works alone is worth the price You learn about 68000 hardware and finish with a fully functional 68000 development system capable of running sophisticated software all at a very reasonable cost The 68000 Hardware Course is available as a bundled set of hardware plus book or the book is available separately for 25 Contact us for complete system prices 23 SBC 02 B The SBC 02 B is a single board computer using a 6802 which is designed primarily as a controller That is it is the ideal system for controlling a burglar alarm industrial machine or any other device which would benefit from an intelligent computer The SBC 02 B is a printed circuit board approximately 5 1 2 by 7 which contains a 6802 processor the 6802 is similar to 680
23. lator program using the serial interface on the system board Alternatively you may usean IBM XT AT compatible keyboard and either a monochrome or color video display board and compatible monitor plugged into the expansion connectors on the system board Two floppy interfaces may be mounted on the system board or an inexpensive external hard disk controller may be used The PT68K 2 12 PT68K 4 Computer Continued supports the PC XT compatible Western Digital MFM controller card such as the WD1002 WX2 or WD1002 GEN which will plug into one of the IBM compatible I O slots Any ST506 or ST412 compatible hard drive up to 64 megabytes can be used the hard drive format program prompts for drive parameters The PT68K 4 is supplied with HUMBUG and a small Basic in ROM which allows operation of even a minimal system and supports keyboard and video output See the HUMBUG description on page 16 Prices depend on current DRAM prices and are therefore subject to change In general PT68K 4 prices range from 220 for a minimal 12 MHz kit which includes static RAM and all components to execute HUMBUG and Basic but no dynamic RAM clock parallel or expansion ports and floppy interface up to approximately 489 for a 16 MHz 512K kit which includes the above components and SK DOS The minimal kit can beexpanded to a full system by simply installing the extra components on the printed circuit board Assembled versions are also available
24. lity and other valuable information Builders of small systems will be especially interested in the source code for 68K HUMBUG a boot ROM which provides for system startup and debug ging while adapting SK DOS for new systems The disk is available in either SK DOS format or in IBM PC format OOO on oO SK DOS 68K Continued Technical Data SK DOS 68K is set up so that it defaults to a very simple system unless the user specifically calls its more advanced features Some of these include multiple directories I O redirection batch files RAMdisk disk caches hard disks time stamping etc User written device drivers are easily installed to provide customization to different terminals or other I O devices To run SK DOS 68K a computer requires a minimum of 32K of RAM with 128K or more being preferred But the old maxim of the more the better certainly holds Although SK DOS is not relocatable we can provide it at a variety of different memory addresses on special order and it is therefore also potentially ROMable Since most 68000 computers will have RAM beginning at address 0000 the most likely memory configuration will look as follows 0000 03FC Trap and interrupt vectors 0400 OFFF Boot routines and stack space 1000 7FFF approx SK DOS 68K 8000 to end of memory available to user programs This is just one possible configuration different configurations are possible for systems which lack availabl
25. mputer I or II It uses the same disk format as Radio Shack DOS uses but it is programmed and behaves like SK DOS In fact on a 64K system STAR DOS will run many Flex or SK DOS programs without change which explains why other software vendors have licensed STAR DOS to aid in porting their own software to the CoCo STAR DOS can run on any CoCo I II system from 16K up and costs 34 95 STAR DOS PLUS STAR DOS PLUS is a version of our 6809 SK DOS adapted by Data Comp Inc of Hixson Tennessee for the Color Computer STAR DOS PLUS runs Flex and SK DOS 6809 programs uses the same disk format supports single or double density single or double sided disks etc It adheres closely to the 6809 SK DOS implementations on larger 6809 systems STAR DOS PLUS comes with the same detailed user s manual as our larger systems and costs just 34 95 Sorry STAR DOS PLUS is not available for the Color Computer IIT 18 6800 6802 6809 HUMBUG If you do any kind of programming in machine or assembly language or if you would like to learn how your computer works internally then you need a monitor program like HUMBUG It is the ultimate monitor a complete debugging system that is unquestionably the best Every larger 68xx x system has a monitor program in Read Only Memory ROM and we have been supplying HUMBUG for those systems for years As a bare minimum a monitor should allow you to examine and change the content
26. n other 68000 systems it takes only six lines under SK DOS Languages and other software available from other vendors and through public domain sources include compilers C Modula 2 and Whimsical a full Basic screen editors disassemblers spelling checkers text formatters music editors hard disk managers and communications programs gQauuuuuuouuouuu SK DOS 68K continued SK DOS Features Full DOS documentation plus on line help Multiple directories User installable device drivers Install up to 8 different I O devices Keyboard typeahead Print Screen Virtual RAM disk Disk Cache Up to 10 drives 5 1 4 and or 3 1 2 floppy drives Hard drives to 64 megabytes each I O redirection to files or I O Time date stamping of files File or disk write protect even hard disk Batch files Support for 68000 68010 68020 processors Monochrome or video board support Read and write MS DOS files User support via newsletter and BBS 6809 Emulator included Simple Basic included Fast assembler included Line editor included User friendly prompts includes undelete OO OO DOOD oO OOD ooo oO Oo SK DOS 68K Prices SK DOS is available for single copy or dealer sales as well as OEM licenses Single copies cost 75 the optional Configuration Kit for adapting to new systems costs an additional 25 SK DOS is also avail able bundled with various 68000 systems at very attractive prices contact us for deta
27. or RBASIC It is also available for 6800 systems using Percom MiniFlex or Flex 2 0 DOS The cost is 50 for any version 21 REMOTERM lets you operate your Color Computer through its serial 5 232 port If you connect a terminal or another computer which 18 running a communications program such as COMMTERM you can run programs on your computer from this remote keyboard The terminal can be right next to your computer or it can be far away linked through a modem Sitting at the remote terminal s keyboard you can start and stop programs load or save programs on disk or cassette and more There is a catch REMOTERM only runs with Basic programs and it does not support graphics PRINT AT statements or the INKEY com mand Except for these limitations it is extremely versatile and can be used for uploading or downloading files remote control and even bulletin boards It is available for the CoCo I or II and costs 19 95 on disk or cassette COMMTERM COMMTERM is a simple communications program for the Color Computer or the MC 10 Micro Color Computer COMMTERM allows you to use your computer as a terminal to another computer Commterm is a shareware program We will send you a disk with Commterm for 2 Try it out for 30 days if you find it useful then we ask that you register your copy for 10 ELIZA SHRINK version of the popular Eliza game available for the Color Computer or for 6800 or 6809 sy
28. r having a terminal emulator program via one of the serial ports Teamed with SK DOS the system provides floppy and hard disk support RAMdisk and disk cache and other advanced features at a very attractive price and form factor It offers a very popular vehicle for 68000 software development 14 MS68K Computer Continued The MS68K is priced at 375 with 128 DRAM Options include the SK DOS operating system with editor assembler Basic etc at 70 DRAM expansion to 256K at 75 and the SCSI controller at 15 SPECIFICATIONS CPU 68000 Board size 53 4 x 8 fits on 51 4 disk drive Clock speed 9 MHz zero wait state RAM DRAM 128K expandable to 512K ROM 32K debugger exp to 128 Serial ports 2 68681 to 38 4 kilobaud Parallel port 1 printer port Floppy disk controller Included 1772 tracks 35 80 sides density single or double disk capacity to 720K per drive SCSI Port for hard drive 5380 controller optional Hard drive size to 64 megabytes HARDWARE PRICING The following table shows comparative pricing for several typical 68000 systems please keep in mind that the rapid fluctuations in DRAM prices may require some minor changes in system prices so contact us for the current price before ordering prices shown are for the main printed circuit board assembly only additional parts such as cabinets power supplies and disk drives are required to complete a system MS68K wired with 128K 375 MS6
29. s of your computer s memory and start a program In fact some monitors do only that But HUMBUG is different Not only can you start programs you can also perform them just one step at a time or you can insert breakpoints which let you perform entire sections of programs at a time You can load and dump memory in various formats including on 6800 and 6809 systems an instruction by instruction formatted display which lets you see and understand programs like never before You can switch I O devices on and off fill and move memory check memory and its contents and more And as a special feature the HUMBUG manual contains not just full instructions on its use but a complete listing of as well Examining this listing is educational in itself since the best way to learn a new language is to see how other people use it The versions identified with below are stock items others are made to order after you specify your exact system configuration Before ordering one of the unstarred versions listed below we suggest that you contact Star K for information on versions and options available CoCo TDP 100 16K to 32K disk or cassette 39 95 Dragon 16K to 32K disk or cassette 39 95 Disk for STAR DOS SK DOS or Flex systems 59 95 Cassette for the MC 10 Micro Computer 29 95 4K ROM for Peripheral Technology PT 69 _ 75 00 4K ROM for SWTP or similar 55 50 6809 systems 75 00 3K ROM for Percom SS 50 6809 systems 65 00
30. stems running SK DOS or Flex 15 on disk or cassette NEWTALK speech program for the Color Computer talks through the TV speaker A cute demonstration program designed mainly for machine language experimentation NEWTALK reads out the hexadecimal con tents of memory in English so you can compare what you entered with what is actually in memory 15 in disk or cassette 22 EDUCATIONAL PROGRAMS NUMERICAL METHODS This is a college level course on a subject that is required in almost all engineering schools and computer science curricula Although computers can do simple arithmetic operations such as adding or subtracting they cannot directly solve for the roots of equations or do some of the more elementary operations from calculus This is where Numerical Methods comes in this 15 the study of how to do these more complicated operations on a typical computer Our Numerical Methods course in cludes a 300 page textbook which is actually used in many colleges and universities a disk or cassette with programs to run to try out each of the techniques described in the text and course notes which list each program and describe it This is a college level course and knowledge of algebra and calculus is required to understand the course But it is written in a very clear style and should present no undue difficulties The course is available for the CoCo as well as other 6800 6809 and 68K systems and MS DOS and costs 75 Al
31. ter is a high performance low cost single board computer designed for industrial and educational applications It is available as a Kit as a semi kit as an 1 assembled printed circuit board or in complete systems The unique feature of the PT68K 4 is that it is designed to be physically and electrically compatible with an XT style motherboard It fits into the same cabinet takes the same power supply and keyboard and its six XT compatible I O connectors accept the same expansion cards such as monochrome or color video boards and hard disk controllers On board is up to 4 megabytes of DRAM four serial ports two parallel ports two floppy disk controllers clock calendar chip programmable timers and more Additional I O interfaces may be plugged into its seven PC XT compatible I O connectors Teamed with SK DOS to provide floppy and hard disk support RAMdisk and disk cache and other advanced features the PT68K 4 offers powerful 68000 computing in kit or wired form at a very attractive price Complete systems mount in an XT sized baby AT style cabi net with 150 watt switching power supply The cabinet in cludes an LED display panel monitoring power disk activity and status The cabinet has space for four half height floppy or hard disk drives The system is operated from an external full size keyboard and video display You may use an RS 232C terminal or com puter having a terminal emu
32. tore Memory Test Register Change Return to SK DOS Register Examine Single step Start single stepping HUMBUG 68K Continued Specifications continued WB Winchester disk boot Monitor reset command To provide a convenient programming interface HUMBUG also con tains a number of entry points for routines which may be used by user programs These include the following COLDST Cold start WARMST Warm start INEEE Input 7 bit char to D5 echo current device INCH7 Input 7 bit char to D5 no echo INCH8 Input 8 bit char to D5 no echo INCHEK Check input device status return NZ if has char OUTCHX Output char from D5 control S check OUTEEE Output char to current device control S check OUTCHM Output char to serial port DUART 1A OUTCHP Output char to serial printer DUART 1B OUTCHB Output char to monochrome video board PSTRNG Print string pointed to by A4 OUT4HS Output 4 hex digits from D4 OUT8HS Output 8 hex digits from D4 OUTCHC Output char to color video board INCH16 Input 16 bit extended char to D5 no echo CHEK 16 Check extended char status return NZ if has char Prices Since HUMBUG directly controls the I O hardware of the system it must be customized to the specific system it is to run on It is currently available on several computer systems such as the PT68K 4 already configured and installed in an EPROM In such systems the price of HUMBUG is already included in the system price HUMBUG 1s
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