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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.

    2.7k
    posts

  2. TI-99/4A Development

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

    94.8k
    posts

6,227 topics in this forum

  1. Testing a PEB? 1 2

    By Boschloo,
    • 31 replies
    • 1k views

  2. Identify this memory card

    By dphirschler,
    • 10 replies
    • 423 views

  3. The MyARC 512K Mega Thread

    By dhe,
    • 4 replies
    • 308 views

  4. digital storage device to replace tape recorder? 1 2

    By newTIboyRob,
    • 35 replies
    • 1.2k views

  5. Is there a DECENT copy of Tetris anywhere? 1 2 3

    By Omega-TI,
    • 62 replies
    • 4.5k views

  6. NanoPeb questions 1 2

    By newTIboyRob,
    • 35 replies
    • 1.2k views

  7. IDE card issues

    By RickyDean,
    • 13 replies
    • 500 views

  8. Houston Arcade Expo 2023

    By Shift838,
    • 0 replies
    • 270 views

  9. Whtech site has some non functional link information

    By RickyDean,
    • 6 replies
    • 417 views

  10. TI-99/4A MYARC HFDC Hard Floppy Disk Drive Expansion Card (Winchester)

    By helocast,   
    • 18 replies
    • 707 views

  11. Tetris and Jumpman Jr.?

    By MaDDuck,
    • 4 replies
    • 533 views

  12. November 2023 ChicagoTIUG Meeting

    By Chicago TI-99/4A Users Group,   
    • 0 replies
    • 134 views

  13. Problem . . . and Solution

    By atrax27407,
    • 0 replies
    • 185 views

  14. Short BASIC programs for kids

    By matthew180,
    • 17 replies
    • 648 views

  15. EPROM files wanted

    By atrax27407,
    • 6 replies
    • 330 views

  16. What happened to Joy Electronics?

    By Boschloo,
    • 8 replies
    • 557 views

  17. 15kHz VGA Monitor

    By acadiel,
    • 10 replies
    • 1.5k views

  18. 40 years ago

    By dasch,
    • 6 replies
    • 677 views

  19. Music Maker cartridge

    By NewcomerTI,
    • 6 replies
    • 539 views

  20. TI Pilot programming language

    By hloberg,
    • 3 replies
    • 405 views

  21. midi interface for Ti994A

    By Astharot,
    • 17 replies
    • 1.8k views

  22. Joystick Port interfacing - TI BASIC & CONSOLE ONLY 1 2

    By Meddler,
    • 48 replies
    • 4.3k views

  23. Grass mowing games

    By jrhodes,
    • 5 replies
    • 325 views

  24. TI-99 - VIDEOs on the internet 1 2 3 4 6

    By Schmitzi,   
    • 132 replies
    • 9.8k views

  25. TI PHP4100 Monitor has no sound

    By Boschloo,
    • 6 replies
    • 247 views

  26. RAT RACE - DEMO

    By TI_Ken,
    • 8 replies
    • 512 views

  27. I/O error 66 = ? 1 2 3

    By newTIboyRob,
    • 68 replies
    • 2.2k views

  28. Looking for disk drive PHP1250

    By Boschloo,
    • 2 replies
    • 320 views

  29. It's 2023: What is the best solution for replacing a TI-99/4A power supply? Find an old OEM, get the pricey keelog PSU or are there USB adapters like the ColecoVision and Atari8bit computers?

    By RockLobster,
    • 21 replies
    • 890 views

  30. a refresher of 4 carts: TE II, TI Extended Basic, Parsec, TI Invaders 1 2

    By newTIboyRob,
    • 39 replies
    • 1.5k views

  31. PEB Help/Advise Please 1 2 3 4 6

    By Atari2600PAL,
    • 134 replies
    • 4.7k views

  32. Petit FS fat file system

    By RickyDean,
    • 3 replies
    • 343 views

  33. TI BASIC game - UFO INVASION

    By TI_Ken,
    • 2 replies
    • 402 views

  34. Scott Adams Graphic adventures

    By videofx,
    • 11 replies
    • 1.1k views

  35. The 41st Annual Chicago TI International World Faire

    By Chicago TI-99/4A Users Group,   
    • 10 replies
    • 1.1k views

  36. Space Rescue TI Basic game

    By TI_Ken,
    • 22 replies
    • 956 views

  37. "Dirty Cables" / "Dirty PCBs" Website - OK?

    By Kchula-Rrit,
    • 4 replies
    • 396 views

  38. New game: Robin Hood

    By Retrospect,
    • 22 replies
    • 1.4k views

  39. PRGE 2023

    By arcadeshopper,
    • 2 replies
    • 557 views

  40. VCF East

    By Switch1995,
    • 1 reply
    • 247 views

  41. Borzork 1 2 3

    By Omega-TI,
    • 58 replies
    • 8.1k views

  42. Running Multiplan with TIPI on and no disk mapped

    By gferluga,
    • 5 replies
    • 332 views

  43. Are there 3D shape files available for replacement TI 99/4A keyboard keys?

    By RockLobster,
    • 1 reply
    • 163 views

  44. Palmtop TI

    By dhe,
    • 0 replies
    • 168 views

  45. Multiplan Program DSK 1 2

    By bchamb88,
    • 31 replies
    • 2.9k views

  46. Console Writer cartridge navigation

    By newTIboyRob,
    • 3 replies
    • 273 views

  47. search Graphic Card for TIPPC

    By Flottmann1,
    • 0 replies
    • 140 views

  48. SubHunt - freeware XB game with source.

    By Retrospect,
    • 6 replies
    • 722 views

  49. Microsoft Multiplan for the TI -- Cartridge Inquiry 1 2

    By Omega-TI,   
    • 46 replies
    • 5k views

  50. Found in wild - left there for you

    By grownup,
    • 6 replies
    • 454 views
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