Commodore 116


Owner: Michael Kathke
Location: Germany


Basically a prototype for the C-16 and Plus/4 computers, the C116 was loaded with neat features.

CPU:

  • 7501 (6502 / 6510 compatible)

TED:

  • 7360 (ACIA + Sound + Video)

RAM:

  • 16kB

VIDEO:

  • 40x25 character
  • 121 colours

OTHER:

  • Realtime clock
  • Build in ASM "TEDMON" :-)
  • No serial port :-(

BASIC:

  • CLOSE, CMD, DLOAD, DOPEN, DSAVE, GET, GET#, GETKEY, INPUT, INPUT#, JOY, LOAD, OPEN, POT, PRINT, PRINT#, PRINT USING, PUDEF, READ-DATA, SAVE, VERIFY
  • DEF-FN, DIM, DO-LOOP-[EXIT, UNTIL, WHILE], END, FOR-TO-NEXT, GOSUB-RETURN, GOTO, IF-THEN-[ELSE], LET, MONITOR
  • NEW, ON-[GOSUB, GOTO], REM, RESTORE, RUN, SYS, USR, WAIT
  • FRE, PEEK, POKE
  • BACKUP, COLLECT, COPY, DIRECTORY, HEADER, INITIALIZE, NEW, RENAME, SCRATCH, VALIDATE
  • BOX, CHAR, CIRCLE, COLOR, DRAW, GRAPHIC, LOCATE, PAINT, RCLR, RDOT, RGR, RLUM, SCALE, WIDTH, GSHAPE, SSHABE
  • SOUND, VOL
  • CLR, POS, SCNCLR, SPC, TAB
  • DS, DS$, EL, ER, ERR$, RESUME, ST, TRAP
  • ASC, CHR$, INSTR, LEFT$, LEN, MID$, RIGHT$, STR$, VAL
  • AUTO, CONT, DELETE, HELP, KEY, LIST, RENUMBER, STOP, TROFF, TRON
  • ABS, ATN, COS, DEC, EXP, HEX&, INT, LOG, RND, SIN, SGN, SQR, TI, TI$, AND, NOT, OR

Upgrading the C116 from 16kB to 64kB:

  1. Lift "pin 14 from U8" or cut PCB layer between 14 and 16 at U8 (+5V)
  2. Patch from "U2 pin 21 (A14)" to "U8 pin 14 (A3)"
  3. Lift "pin 2 from U7" or cut PCB layer between 2 and 16 at U7 (+5V)
  4. Patch from "U2 pin22 (A15)" to "U7 pin 2 (A0)"
  5. Remove both RAM-Chips U5 and U6 "TMS 4416-20"
  6. Insert 4464 chips. (NEC1464C15, TMS4464-15)

... 2B \/ 2B ... you have 60671 bytes free!

Upgrading the C116: View One & View Two



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