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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.

    2.8k
    posts

  2. TI-99/4A Development

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

    95.8k
    posts

6,280 topics in this forum

  1. The 42nd Annual Chicago TI International World Faire 1 2

    By Chicago TI-99/4A Users Group,   
    • 25 replies
    • 1k views

  2. High Score Competition (Sep: Osotos) 1 2 3 4 157

    By arcadeshopper,
    • 3.9k replies
    • 334.9k views

  3. New to the group? TI-99/4A FAQ, Hardware and software resources READ FIRST! 1 2 3

    By arcadeshopper,   
    • 71 replies
    • 33.2k views

  4. I need your help 1 2

    By JB Freeware,
    • 25 replies
    • 364 views

  5. Life as a Retro Video Gamer - TI99

    By Atariboy2600,
    • 0 replies
    • 54 views

  6. 99/22 Component Group Buy 1 2

    By Shift838,
    • 26 replies
    • 661 views

  7. Js99'er 1 2 3 4 29

    By Asmusr,   
    • 720 replies
    • 60.1k views

  8. P-GRAM+ Software needed, Available for download ?

    By TI998owner,   
    • 21 replies
    • 1.4k views

  9. Happy Birthday to Us!

    By JB Freeware,
    • 14 replies
    • 260 views

  10. ATRONIC CPS 99 schematics 1 2

    By CosmicBoy,
    • 39 replies
    • 4.4k views

  11. TI Related -- Ebay / Heads Up Notice 1 2 3 4 295

    By Omega-TI,   
    • 7.4k replies
    • 427.3k views

  12. Off-Topic / Dumping Thread 1 2 3 4 248

    By Omega-TI,   
    • 6.2k replies
    • 274.6k views

  13. Rabbits and Robots - new TI BASIC game

    By InfernalKeith,
    • 3 replies
    • 342 views

  14. Drop-in replacement for the SN76494? SN76489??

    By cbmeeks,
    • 6 replies
    • 102 views

  15. New MAME release 1 2 3 4 64

    By mizapf,
    • 1.6k replies
    • 113.4k views

  16. OPA Gary! 1 2 3 4 14

    By dhe,
    • 328 replies
    • 23.7k views

  17. How to copy a TI Forth Disk on a Geneve 1 2

    By dhe,
    • 31 replies
    • 406 views

  18. Grid Wars game.

    By Retrospect,
    • 19 replies
    • 512 views

  19. Moonbright Tower - 'lost' game found? 1 2

    By InfernalKeith,
    • 27 replies
    • 1.8k views

  20. Eye Candy 1 2 3 4 8

    By dhe,
    • 189 replies
    • 15.2k views

  21. PGram+ Card --- Loading up the DSR 1 2 3 4 5

    By Gary from OPA,
    • 109 replies
    • 2.1k views

  22. 9938/9958 Discussion Forum 1 2 3 4 6

    By Omega-TI,   
    • 141 replies
    • 14.6k views

  23. Snake Snake for Mini Memory (a Nibbler Arcade Version in Assembly) 1 2 3

    By ti99iuc,   
    • 67 replies
    • 5.5k views

  24. September 2024 ChicagoTIUG Meeting

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

  25. TI-99/22 project 1 2 3 4 7

    By stevee671,
    • 154 replies
    • 3.6k views

  26. Dedicated TI Emulation Keyboard

    By bjkrug,
    • 1 reply
    • 137 views

  27. Do you remember your first TI Cartridge? 1 2

    By dhe,
    • 46 replies
    • 1.5k views

  28. What is it?

    By RickyDean,
    • 8 replies
    • 261 views

  29. sw99ers SAMS card Trouble shooting.

    By dhe,
    • 11 replies
    • 175 views

  30. How to use TI-99/4A on MAME

    By hippietrail,
    • 9 replies
    • 141 views

  31. Weather thread 1 2 3 4 9

    By mizapf,   
    • 201 replies
    • 5.9k views

  32. "OmniFlop" does the trick! (-:

    By GratedTopping,
    • 10 replies
    • 3.6k views

  33. MDOS Version 7.45 Release 1 2 3

    By 9640News,
    • 52 replies
    • 1.7k views

  34. Help with getting TI emulator on Raspberry Pi B+, please

    By IndyJones1023,
    • 4 replies
    • 145 views

  35. WHTech down

    By pjduplooy,
    • 13 replies
    • 408 views

  36. USB Keyboard adapter- anyone tried it?

    By Kchula-Rrit,
    • 17 replies
    • 968 views

  37. MAME Geneve - creating MFM HD images 1 2

    By JJB,
    • 34 replies
    • 637 views

  38. Looking for ELIZA Program...

    By Shift838,
    • 17 replies
    • 1.2k views

  39. On load addresses and disassembling TI-99/4A files

    By hippietrail,   
    • 5 replies
    • 165 views

  40. Odd TI-99/4A fault

    By jjne,
    • 14 replies
    • 435 views

  41. Issues with speech synthesizers

    By cbmeeks,
    • 7 replies
    • 143 views

  42. TIImageTool 3 1 2 3 4 5

    By mizapf,
    • 100 replies
    • 2.9k views

  43. Archive collection on it's way - finally!

    By Brufnus,
    • 3 replies
    • 190 views

  44. Ti-994a MiSTer cores

    By mnielsenau,
    • 3 replies
    • 142 views

  45. Inufuto Japanese games! 1 2

    By ti99iuc,
    • 47 replies
    • 4k views

  46. Myarc cards for sale/repair tips 1 2 3 4 26

    By InsaneMultitasker,   
    • 630 replies
    • 41.6k views

  47. Speech syn for beige TI-99/4a 1 2 3 4 14

    By hloberg,
    • 327 replies
    • 21.6k views

  48. Some impressions from the GamesCom 2024 (Cologne, Germany)

    By Schmitzi,   
    • 23 replies
    • 484 views

  49. Advise needed for 32k expansion

    By moije,
    • 8 replies
    • 243 views

  50. Can someone explain ROM/GROM/RAM expansions to a newbie please?

    By Vstar,
    • 4 replies
    • 159 views
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