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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.

    93.5k
    posts

6,174 topics in this forum

  1. Using XB Autoload disks that want DSK1 with HDX1?

    By Diecrusher,
    • 1 reply
    • 271 views

  2. I need a new users guide to MDOS and the last 35 years 1 2 3 4

    By jedimatt42,
    • 78 replies
    • 3.2k views

  3. Old Hardware Repair

    By dhe,
    • 1 reply
    • 330 views

  4. SAMS memory as RAMDISK?

    By jrhodes,
    • 11 replies
    • 631 views

  5. TI Preservation

    By dhe,
    • 4 replies
    • 624 views

  6. eBay item

    By GDMike,
    • 17 replies
    • 1.4k views

  7. Hello I believe I have found the munchman prototype.

    By ebay3211m@gmail.com,
    • 14 replies
    • 1.7k views

  8. ** Robots Of Death 2 **

    By Retrospect,
    • 19 replies
    • 1.1k views

  9. Homebrews & Ports

    By Omega-TI,
    • 3 replies
    • 474 views

  10. February 2021 CTIUG Meeting

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

  11. Geneve 9640 - Configuration questions over questions 1 2

    By Schmitzi,   
    • 44 replies
    • 1.5k views

  12. old computer parts used for movie props

    By Shift838,
    • 9 replies
    • 500 views

  13. How to see if a chip is for PAL or NTSC? VDP TMS9929AN / TMS9918AN NTSC/PAL 50Hz/60Hz ?

    By globeron,
    • 10 replies
    • 1.1k views

  14. Gotek as DSK1 Question

    By Timkorbs,
    • 4 replies
    • 376 views

  15. New to TI-99/4a repair

    By Ruggers Customs,
    • 3 replies
    • 654 views

  16. Caveat Emptor

    By atrax27407,   
    • 4 replies
    • 449 views

  17. Re-Draw CAD drawings?

    By wierd_w,
    • 2 replies
    • 297 views

  18. What printer options do I have? 1 2

    By x24b,
    • 44 replies
    • 2.8k views

  19. Tool To ID Catridge Information

    By dhe,
    • 3 replies
    • 306 views

  20. Question re: GPL DSRLNK

    By Willie1914,
    • 3 replies
    • 265 views

  21. Original Source of TI protos

    By Toucan,
    • 7 replies
    • 585 views

  22. Online options

    By cobracon,
    • 3 replies
    • 336 views

  23. Clear cartridge - pictures

    By acadiel,
    • 4 replies
    • 497 views

  24. Sort of roundabout TI-99/4A related, but could be considered off topic. (Project)

    By Omega-TI,
    • 17 replies
    • 629 views

  25. Webpage Lockups

    By 9640News,
    • 8 replies
    • 339 views

  26. Thermal Printer PHP 1900 Repair Advice

    By CosmicBoy,
    • 11 replies
    • 885 views

  27. Webpage Lockups

    By 9640News,
    • 1 reply
    • 228 views

  28. How to back up TI-99/4A disks?

    By nullvalue,
    • 7 replies
    • 466 views

  29. My TI99 just died

    By dontpanic80,
    • 5 replies
    • 440 views

  30. The Dimensional Project

    By Mehridian Sanders,
    • 5 replies
    • 508 views

  31. Which one do you like best?

    By Omega-TI,
    • 2 replies
    • 422 views

  32. Replacement keyboard key switches?

    By Fooser,
    • 5 replies
    • 499 views

  33. Nano peb wifi modem

    By cobracon,
    • 3 replies
    • 333 views

  34. FinalGROM 99 - Grom Port Diagnostics

    By Omega-TI,
    • 1 reply
    • 350 views

  35. Worm Maze

    By jrhodes,
    • 3 replies
    • 376 views

  36. Diskassembler manual

    By Keneg,   
    • 4 replies
    • 476 views

  37. I was asked a STUPID TI-99/4A related question today... 1 2

    By Omega-TI,
    • 40 replies
    • 1.6k views

  38. Tiny-99/4A v2 prototypes trade

    By fabrice montupet,
    • 18 replies
    • 1.3k views

  39. FinalGrom 99 and the CF7+

    By Tempest,
    • 13 replies
    • 449 views

  40. PIXPRO PROBLEM 1 2

    By sparkdrummer,
    • 27 replies
    • 1.5k views

  41. Datamath's TI-88 story

    By acadiel,
    • 1 reply
    • 295 views

  42. New Speech in PEB adapter card 1 2

    By gregallenwarner,
    • 45 replies
    • 3.5k views

  43. Looking to trade!

    By MitchFX4,   
    • 1 reply
    • 368 views

  44. CF7+ question. 1 2 3

    By DavidC,
    • 51 replies
    • 2.6k views

  45. What's your favourite Atarisoft game for TI-99?

    By pixelpedant,
    • 24 replies
    • 1.2k views

  46. Games for the Geneve

    By hloberg,
    • 24 replies
    • 844 views

  47. Books on TMS9900 hardware design?

    By cbmeeks,
    • 16 replies
    • 929 views

  48. TI Composer - A fun little T40XB TI-99 text-to-speech synth song builder/editor/player

    By pixelpedant,
    • 4 replies
    • 1k views

  49. Myarc FDC PAL

    By 9640News,
    • 4 replies
    • 362 views

  50. Update for TIDir

    By atrax27407,
    • 20 replies
    • 1.3k views
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