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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

    461 posts

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

  2. TI-99/4A Development

    74,801 posts

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

5,075 topics in this forum

  1. GENEVE ABASIC and CALL SAY appears broken

    By jenorton,
    • 6 replies
    • 196 views

  2. TI-99/4a Complete System, World of Wumpus Edition

    By kingjahrome,
    • 1 reply
    • 196 views

  3. TBOX99 Bulletin Board System online

    By wolhess,   
    • 2 replies
    • 196 views

  4. 3D print material of choice

    By wierd_w,
    • 7 replies
    • 196 views

  5. Low cassette input into /4A

    By acadiel,
    • 6 replies
    • 195 views

  6. FINALGROM Questions

    By AtariNostalgia,
    • 7 replies
    • 195 views

  7. Original TI Joystick Upgrade/Mod?

    By pmk222,
    • 12 replies
    • 195 views

  8. Dummy needs help: Search for file with module ROMs for V9T9

    By MueThor,
    • 1 reply
    • 195 views

  9. Terminal software for ESP01 on nanoPEB?

    By monzamess,
    • 3 replies
    • 195 views

  10. Atari COMBAT-style game for TIPI-enabled TI consoles launched

    By ElectricLab,
    • 4 replies
    • 195 views

  11. What do YOU consider the best Newsletter ever for the TI-99/4A?

    By Omega-TI,
    • 7 replies
    • 194 views

  12. JS99er - Software->More issue

    By pixelpedant,
    • 3 replies
    • 194 views

  13. I2C Display (Revisited)

    By Omega-TI,
    • 8 replies
    • 194 views

  14. some games from way back for the TI-99 in XB & TIB

    By hloberg,   
    • 0 replies
    • 194 views

  15. which color goes to video in?

    By AtariNostalgia,   
    • 4 replies
    • 194 views

  16. Ti-99/4A is a good downtempo winter computer..?

    By Keatah,
    • 7 replies
    • 194 views

  17. Free: non-original TI disks

    By ianoid,
    • 2 replies
    • 193 views

  18. Gaskill Cartridge Collection Kit

    By Toucan,
    • 7 replies
    • 193 views

  19. looking for a program

    By atrax27407,
    • 5 replies
    • 192 views

  20. Terminal cart ROM

    By JamesH,
    • 7 replies
    • 192 views

  21. Cassette tapes; anyone want them?

    By barry.peterson,
    • 1 reply
    • 192 views

  22. This may work for a Cassette?

    By Mehridian Sanders,
    • 9 replies
    • 192 views

  23. No-Sound Troubleshooting

    By IIRC.LIFE,
    • 4 replies
    • 192 views

  24. MDM5 and CFORM with MFM drives

    By 9640News,
    • 7 replies
    • 191 views

  25. LF buttons for my FinalGROM99 cart

    By digdugnate,
    • 5 replies
    • 190 views

  26. I made an assumption and boy was I wrong!

    By Omega-TI,
    • 5 replies
    • 190 views

  27. Poetic programs for the TI

    By jrhodes,
    • 3 replies
    • 190 views

  28. Are there any extant examples of, e.g., German or Italian TI-99 developers using the Speech Synthesizer for non-English speech?

    By pixelpedant,
    • 2 replies
    • 190 views

  29. Current Value of Gamevision Carts?

    By swlovinist,   
    • 2 replies
    • 190 views

  30. The little transformer that could --- BUZZZZ!

    By dhe,
    • 8 replies
    • 190 views

  31. May have accidently removed the Astromash thread

    By RickyDean,
    • 9 replies
    • 189 views

  32. HFDC DSR Vn H12 and H13

    By atrax27407,
    • 7 replies
    • 189 views

  33. What do you make of this screen garbage?

    By pixelpedant,
    • 4 replies
    • 189 views

  34. TI 99/4a - Parsec & Tombstone City: 21st Century - ARG Presents Volume 46

    By LASooner,
    • 5 replies
    • 189 views

  35. Sidecar/PE Box address conflicts?

    By KG7PFS,
    • 6 replies
    • 188 views

  36. Replacing a TMS2564 with a standard 2764 EPROM

    By atrax27407,
    • 0 replies
    • 188 views

  37. Identifying a Horizon clone

    By atrax27407,
    • 2 replies
    • 188 views

  38. Geneve boot EPROMs

    By atrax27407,
    • 5 replies
    • 188 views

  39. Monitor Hook-up options

    By Casey,
    • 4 replies
    • 188 views

  40. TI Annual Reports

    By Tursi,
    • 3 replies
    • 187 views

  41. can the ti99 run 32k/+ cartridges without a 32k ram expansion?

    By xxx,
    • 2 replies
    • 187 views

  42. Logic in TI-99/4a keyboard?

    By retroclouds,   
    • 2 replies
    • 187 views

  43. After trying them in your FG99, which game(s) DO YOU THINK belong in their own cart?

    By Omega-TI,
    • 4 replies
    • 187 views

  44. Module Conversion Request

    By 9640News,
    • 4 replies
    • 186 views

  45. November 2020 CTIUG Meeting

    By Chicago TI-99/4A Users Group,   
    • 2 replies
    • 186 views

  46. While I'm in "transistion" I need old version of a program...

    By Omega-TI,
    • 0 replies
    • 186 views

  47. Where do I go from here? A request for your input.

    By twoodland,   
    • 4 replies
    • 186 views

  48. archive file in error defective floppy

    By humeur,
    • 6 replies
    • 185 views

  49. Advertiser Module

    By blackbox,   
    • 3 replies
    • 185 views

  50. Internal Power Supply Failure

    By J-Data,
    • 3 replies
    • 185 views
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