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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.

    2.6k
    posts

  2. TI-99/4A Development

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

    92.8k
    posts

6,147 topics in this forum

  1. Mystery overlay for 99/4

    By Appeelicious,
    • 9 replies
    • 420 views

  2. Any interest in TI festival in Central Texas area in the Fall? 1 2

    By hloberg,
    • 25 replies
    • 852 views

  3. January 2024 ChicagoTIUG Meeting

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

  4. 2024! - My Forty Year Anniversary with Molesworth!

    By dhe,
    • 16 replies
    • 476 views

  5. Another PEB another Problem haha

    By INTVCruise,
    • 5 replies
    • 197 views

  6. Single Line XB Programs

    By Artoj,   
    • 3 replies
    • 242 views

  7. Schematic for Myarc MEXP-1 (512k) card

    By Shift838,
    • 7 replies
    • 235 views

  8. New toys for Christmas

    By hloberg,
    • 24 replies
    • 690 views

  9. FORCE COMMAND: By Jedimatt42 (Disk Operating System) 1 2

    By Omega-TI,
    • 46 replies
    • 3k views

  10. Myarc Card Clamshell

    By Shift838,
    • 3 replies
    • 187 views

  11. Looking for WHTSCSI REV F Unmodified Card Photos

    By Shift838,
    • 0 replies
    • 96 views

  12. NTSC TI99/4a TMSRGB with rgb2hdmi???

    By dabone,
    • 4 replies
    • 240 views

  13. TI Schematics

    By dhe,
    • 2 replies
    • 343 views

  14. Schematics

    By dhe,
    • 3 replies
    • 241 views

  15. FinalGrom99 compatibility

    By Divarin,
    • 10 replies
    • 352 views

  16. Info on EPROM

    By atrax27407,
    • 3 replies
    • 144 views

  17. Best Plain Old TI BASIC Games (w/MP3) 1 2 3 4 9

    By ballyalley,
    • 204 replies
    • 12.2k views

  18. Header connectors for sockets

    By RickyDean,
    • 6 replies
    • 286 views

  19. TI-99/4A Peripheral Expansion Box not working? 1 2

    By INTVCruise,
    • 29 replies
    • 671 views

  20. Looking for a monitor test program that shows all colors on screen.

    By dabone,
    • 2 replies
    • 202 views

  21. TI 99 MBX Expansion not working properly?

    By INTVCruise,
    • 9 replies
    • 433 views

  22. Myarc Extended Basic binaries

    By Shift838,
    • 5 replies
    • 262 views

  23. Infocom Head Scratcher

    By dhe,
    • 6 replies
    • 252 views

  24. What's behind the curtin.

    By dhe,
    • 16 replies
    • 494 views

  25. What is YOUR TI-99/4A story? 1 2 3

    By Omega-TI,
    • 51 replies
    • 3.2k views

  26. Mike Wright - Mdude ebay

    By Jburkhardt,
    • 5 replies
    • 400 views

  27. 99/4 (NOT 4A) compatible terminal programs

    By arcadeshopper,
    • 7 replies
    • 378 views

  28. ARCHON

    By Vorticon,
    • 14 replies
    • 589 views

  29. What are your TI-99 (or TI-99-adjacent) plans or resolutions for 2023? 1 2

    By pixelpedant,
    • 45 replies
    • 2.4k views

  30. now a beige 4/a for your tinkering

    By newTIboyRob,
    • 5 replies
    • 218 views

  31. Are there accelerator cards for the TI-99/4A? 1 2

    By Boschloo,
    • 39 replies
    • 1.2k views

  32. Looking for a BASIC speech program featuring joke-telling robots

    By Yosikuma,
    • 12 replies
    • 335 views

  33. New TI-99/4A Tunnels of Doom(TOD) game and Game Editor 1 2 3 4 5

    By Fritz442,   
    • 101 replies
    • 11.3k views

  34. ti99resources.wordpress.com 1 2 3 4 10

    By hloberg,
    • 231 replies
    • 13.1k views

  35. if you'd like to tinker with this silver 4/a, she can be yours

    By newTIboyRob,
    • 8 replies
    • 278 views

  36. ftp.whtech - can't login as anonymous for last few months?

    By firebottle,
    • 14 replies
    • 545 views

  37. Insight into the TI-99/4A QI Model 1 2

    By horizon2374,
    • 32 replies
    • 2.3k views

  38. Happy Holidays in FORTH!

    By Switch1995,
    • 8 replies
    • 516 views

  39. TI 99/4A Disk Drive Not Initializing Disks

    By System Engineer,
    • 18 replies
    • 607 views

  40. Visit to TI Records Archive at SMU 1 2 3

    By FarmerPotato,
    • 67 replies
    • 5.9k views

  41. An option to restore the appearance of "ugly" brushed dluminum coverings, or to add it to 3rd-party cases...

    By CLBrown,
    • 1 reply
    • 154 views

  42. Backbit Chip Tester

    By dhe,
    • 18 replies
    • 629 views

  43. Menorah screen display (XB)

    By jrhodes,
    • 7 replies
    • 459 views

  44. Are scans of these books available?

    By dhe,
    • 4 replies
    • 294 views

  45. New text adventure for the TI-99/4A using Infocom's tools 1 2

    By hlabrand,
    • 35 replies
    • 3.2k views

  46. some games I found that I wrote for the TI-IUG

    By hloberg,   
    • 3 replies
    • 957 views

  47. TI External Disk Drive Questions

    By horizon2374,
    • 8 replies
    • 480 views

  48. Corcomp controller modded?

    By arcadeshopper,
    • 12 replies
    • 298 views

  49. Parker Brother's carts

    By arcadeshopper,
    • 15 replies
    • 635 views

  50. Does anybody know anything about this set of controllers?

    By vintagegamecrazy,
    • 13 replies
    • 489 views
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