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System 8813
| The System 8813 by PolyMorphic Systems is easy
for both the novice who wants already- existing programs and the
programmer who wants to write his own programs to use. With our system
software the novice just inserts the disk and pushes the button. The
application program takes over and guides you to the solution. You don't
need special commands or procedures to put the system to work.
For the programmer, the 8813 gives you a wide range of tools for applications development. All the tools you need to write or modify BASIC are an integral part of the system software. Disk BASIC can save and load programs on the disk automatically with no need to pre-allocate files; give you access to up to four files at one time; read, write, and modify records in a file not only in sequence, but also based on position in the file; talk to serial devices in BASIC; and connect your device drivers to BASIC. For those who want to write their own programs in assembly language, we provide a disk-to-disk assembler. Assembly options allow assembly with a complete listing, a listing of errors only, or no listing, on either the video screen or a printer. The powerful debugger makes it possible for you to interrupt running programs, alter memory or register, then return to exactly where you left the interrupted program and resume running. Our versatile text editor, which gives you full screen cursor control, can help you create or edit assembly language or BASIC source files, or plain text files.
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The system executive program (EXEC) gives you disk management capabilities: you may copy, delete, or type files on the video screen or on a printer. An "UNDELETE" command allows you to recover deleted files, and the "IMAGE" command allows you to copy an entire disk onto another. Users also get a detailed directory: program size, and name, location, and load and start addresses allow you to get at programs easily. Several system overlays are also provided for the programmer, including error messages and diagnostics. | System 88 software is designed to be powerful, yet easy to
use. This ease lets the computer novice use pre-programmed applications
without training. The power of the system allows those who wish to design
their own programs to also be immediately productive; you can quickly
build and the applications you need
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PolyMorphic Systems IIK BASIC Size: II K bytes. Scientific Functions: Sine, cosine, log, exponential, square root, random number, x to the y power. Read and Write Disk Files from BASIC. Input type-ahead. Cassette Save, Load, and Verify of Named Programs. Multi-line Functions. Point-Plotting on Video Display. Real- Time Clock . String Manipu lation and String Functions. Formatted Output. Memory Load and Store. 8080 Input and Output. Multiple Statements Per Line. Renumber. If Then Else. Array Dimensions Limited by Memory. Single Character Input. Commands: RUN, LIST, SCR, CLEAR, REN, CONT, SAVE, LOAD, VERIFY, FILE, OPEN, CLOSE, REW, POS, DEF. Statements: LET, IF THEN ELSE, FOR NEXT, GOTO, ON, EXIT, STOP, END, REM, READ, DATA, RESTORE, INPUT, GOSUB, RETURN, PRINT, OUT, I'OKE, PLOT. Built in Functions: FREE, ABS, SGN, INT, LEN, CHR$, VAL, STR$, ASC, SIN, COS, RND, LOG, TIME, EXP, CALL, SQRT, PEEK, INP. Chassis Backplane: 10 S-100 card slots Disk Drives: 3 mounting slots Dimensions: 19" W x 171/4" D x 7" H (including rack mount ears) |
Firmware Debugger Functions: Tape loader for Byte standard or Polyphase encoded Poly format absolute binary cassette files. Front panel simulator program displays register and memory on system video display. Commands allow register or memory modification, program interrupt and single step of or return to interrupted program. The debugger is completely stack re-entrant. Disk Drives Transfer Rate: 125,000 bits/sec Latency: 100 ms Access Time: 40 ms track to track Maximum Number of Drives: 3 Tracks/Disk: 35 Sectors/Track: 10 Data Bytes per Disk: 89,600 MTBF: 8000 hours Hard Error Rate: less than 1 in l011 bits read Video Display Number of Characters: 1024 Characters per Line: 64 Character Set: 96 ASCII characters; 32 Greek characters and special symbos Character Font: 7 x 9 dot matrix Graphics Resolution: 128 horizontal; 48 vertical |
Processor Card Processor Type: 8080A. Clock: Crystal controlled 1.8432 MHz. Interrupts: 8 level vectored. Real Time Clock: 50/60 Hz (referenced to line frequency). Serial I/O Port TTL levels for optional minicards (Printer Interface & Cassette Interface available). Baud Rate: Software controlled 12.5 to 9600 baud (asynchronous) 800 to 57,600 baud (synchronous). Data Format: 5, 6, 7, or 8 bits with or without parity. Ports: Can handle up to 2 minicards. Memory RAM: 16,896 bytes ROM: 3,072 bytes Access Time: 500 ns Power Supplies AC Input: 105-125V AC, 50-60 Hz, 400 W max. +8V Supply: 15A +16V Supply: 5A -16V Supply: 1 A Cabinet Material: Walnut exterior Dimensions: 20" W x 17-3/4 D x 8" H (including rubber feet) |