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TI-99/4A Computers

Discussion for TI-99/4A Computers

Subforums

  1. Tomy Tutor, CC40, 99/2, 99/8, Cortex, 990 mini

    Subforum for standalone non-4A systems with a 16 bit CPU belonging to the TMS99xxx processor family.

    2.9k
    posts

  2. TI-99/4A Development

    Software and hardware development for the TI-99/4A Computer.

    96.2k
    posts

6,307 topics in this forum

  1. TIPI and Raspberry pi 4 connect

    By Keven,
    • 17 replies
    • 1.1k views

  2. Forth, Fortran & Logo games for TI? 1 2

    By jrhodes,
    • 30 replies
    • 2.1k views

  3. Cadd99 1 2

    By 9640News,
    • 27 replies
    • 2.4k views

  4. TI Employee Sales Price list (02-01-1984)

    By acadiel,
    • 5 replies
    • 691 views

  5. Speech Demo Cart

    By sjt,   
    • 22 replies
    • 2.9k views

  6. My PEB likes to take naps

    By TIstang,
    • 5 replies
    • 444 views

  7. "Terrific GAMES for the Tl99/4A" (Book)

    By oddemann,
    • 22 replies
    • 868 views

  8. 838-IO Plus ATX version

    By Shift838,
    • 0 replies
    • 359 views

  9. What is "838 Audio"?

    By SkyPilot,
    • 1 reply
    • 376 views

  10. The Hidden Reef BBS

    By Swim,
    • 5 replies
    • 519 views

  11. F'WEB source

    By atrax27407,
    • 6 replies
    • 538 views

  12. Awesome YouTube video alert!

    By Willsy,
    • 2 replies
    • 431 views

  13. Inventor of the sprite

    By 1980gamer,
    • 1 reply
    • 510 views

  14. Trying to run Biosphere on Classic99 1 2

    By Railuge,   
    • 29 replies
    • 847 views

  15. organizing Geneve 1 2

    By hloberg,
    • 34 replies
    • 1.4k views

  16. I need help loading up disk games on Classic99.

    By NamcoPlayer,
    • 8 replies
    • 2.2k views

  17. Stupid Geneve 9640 questions. 1 2 3 4

    By KG7PFS,
    • 82 replies
    • 3.5k views

  18. "Bad Apple" on cartridge 1 2 3 4 5

    By OLD CS1,
    • 104 replies
    • 5.8k views

  19. Space Harrier for TI

    By acadiel,
    • 11 replies
    • 954 views

  20. ED99 Multi-file Editor

    By TheBF,   
    • 21 replies
    • 1.4k views

  21. TIPI. Sams32

    By Keven,
    • 3 replies
    • 346 views

  22. TI-99 Emulator on Android 1 2 3

    By Ksarul,
    • 50 replies
    • 9.7k views

  23. Joystick Adapter for the TI99/4A

    By Alleged-Geek,
    • 0 replies
    • 352 views

  24. TI99 and Tomy Tutor similarities 1 2 3

    By VicViper,
    • 61 replies
    • 9.1k views

  25. Motherboard (new style): noisy sound

    By Lambda Mikel,
    • 13 replies
    • 502 views

  26. Questions about TMS9985 & TMS9995 1 2

    By Ursus,
    • 44 replies
    • 2.8k views

  27. Comments on VCF-SE 9.0

    By OLD CS1,
    • 9 replies
    • 511 views

  28. HC2 Backup

    By dhe,
    • 0 replies
    • 183 views

  29. Find five faults

    By apersson850,
    • 8 replies
    • 673 views

  30. MDM5 for Myarc HFDC

    By 9640News,
    • 15 replies
    • 894 views

  31. Only B&W RGB on a NTSC 99/4a with TMS-RGB (but with PAL VDP)

    By Lambda Mikel,
    • 8 replies
    • 505 views

  32. Chillingham - NEW TI-BASIC game from Richard Porter

    By ti99iuc,   
    • 0 replies
    • 254 views

  33. Getting back into the 4A- question answered

    By digdugnate,
    • 0 replies
    • 213 views

  34. Complete Re-Cap of a TI99/4a

    By Alleged-Geek,
    • 16 replies
    • 1.3k views

  35. TI Invader Source Code

    By dhe,
    • 3 replies
    • 311 views

  36. Cartridges without GROM ?

    By Archimedes5000,
    • 2 replies
    • 953 views

  37. New 99-er, I have some basic questions (and BASIC questions)

    By WACOMalt,
    • 4 replies
    • 386 views

  38. Repair or replacement parts for original TI joysticks? 1 2

    By ianoid,
    • 35 replies
    • 3k views

  39. TI99/4a PAL Composite Video Modification

    By Alleged-Geek,
    • 2 replies
    • 534 views

  40. Ti Diagnostic Cartridge RAM tests?

    By Geoff Oltmans,
    • 4 replies
    • 464 views

  41. Decisions & Confusion

    By SkyPilot,
    • 2 replies
    • 248 views

  42. Geneve 9640 Advanced Basic 4.08 Release

    By 9640News,
    • 12 replies
    • 970 views

  43. 8-bit Dice

    By jrhodes,
    • 13 replies
    • 744 views

  44. TI Color Monitor problem. Looking for schematics. 1 2

    By GuruSantiago,
    • 26 replies
    • 2k views

  45. program to add speech to Infocom games

    By jenorton,
    • 6 replies
    • 477 views

  46. EACH command in TI LOGO II

    By jschultzpedersen,
    • 2 replies
    • 345 views

  47. flex cable

    By dhe,
    • 21 replies
    • 1.2k views

  48. Geneve in MessUI for beginner

    By atari1byte,
    • 5 replies
    • 293 views

  49. July 4th programs?

    By jrhodes,
    • 11 replies
    • 560 views

  50. TI 99 4/a 32k is max ram into Classic99

    By atari1byte,
    • 16 replies
    • 635 views
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