TI-99/4A Computers

5,136 topics in this forum

1. TOD Guide

   By MikeV, April 22   

   • tod
   • tunnels of doom
   • 2 replies
   • 230 views
   • 
   • MikeV
   • April 28

2. HOW TO replace PEB PSU with new AT/LPX PSU 1 2

   By wyerd, January 28, 2015
   • 25 replies
   • 3,729 views
   • 
   • wierd_w
   • April 28

3. TI99DIR (TIDIR) Troubleshooting, Questions & Answers

   By Schmitzi, April 5   

   • ti99dir
   • tidir
   • 18 replies
   • 342 views
   • 
   • Schmitzi
   • April 27

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

   By ElectricLab, April 27
   • 4 replies
   • 208 views
   • 
   • arcadeshopper
   • April 27

5. Speech syn for beige TI-99/4a 1 2 3 4 13

   By hloberg, July 5, 2020
   • 311 replies
   • 9,665 views
   • 
   • arcadeshopper
   • April 26

6. 9938/9958 Discussion Forum 1 2 3 4 5

   By Omega-TI, November 9, 2013   

   • 9938
   • 9958
   • (and 1 more)

     Tagged with:

     • 9938
     • 9958
     • Video
   • 123 replies
   • 10,490 views
   • 
   • RickyDean
   • April 26

7. Seeking Yamaha V9938 VDP chip

   By Bill R Sullivan, April 24
   • 0 replies
   • 144 views
   • 
   • Bill R Sullivan
   • April 24

8. Peripheral Case Font

   By Nightengale, April 24
   • 2 replies
   • 194 views
   • 
   • Nightengale
   • April 24

9. CC-40+ System Roms - Let us try to preserve it

   By kl99, April 24, 2018   

   • Compact Computer
   • CC-40+
   • (and 2 more)

     Tagged with:

     • Compact Computer
     • CC-40+
     • Portable Computer
     • Preservation
   • 6 replies
   • 712 views
   • 
   • mizapf
   • April 24

10. developement tools ED99 Multi-file Editor

    By TheBF, July 9, 2020   

    • editor
    • sams
    • 15 replies
    • 632 views
    • 
    • TheBF
    • April 24

11. Odd Crystal Speeds

    By dhe, April 23
    • 7 replies
    • 226 views
    • 
    • Ksarul
    • April 24

12. CB Wilson - TI-99 related documents 1 2 3 4 9

    By acadiel, November 1, 2020
    • 208 replies
    • 8,463 views
    • 
    • acadiel
    • April 23

13. Clam Shells 1 2 3

    By dhe, March 12
    • 70 replies
    • 2,125 views
    • 
    • wierd_w
    • April 23

14. Mailing a console

    By dhe, April 21
    • 9 replies
    • 252 views
    • 
    • arcadeshopper
    • April 23

15. Lubbock Texas TI Sites 1 2

    By Airshack, April 11, 2019
    • 49 replies
    • 2,121 views
    • 
    • digdugnate
    • April 22

16. Cool TMS9900 story fixing a comms system in research vessel

    By palmheads, April 22
    • 0 replies
    • 96 views
    • 
    • palmheads
    • April 22

17. Tombstone City - anyone go past day 1? 1 2 3

    By S1500, September 2, 2016
    • 50 replies
    • 2,390 views
    • 
    • Retrospect
    • April 22

18. SNUG website moved

    By arcadeshopper, August 19, 2016
    • 15 replies
    • 733 views
    • 
    • wierd_w
    • April 21

19. Noob question - Any reason not to do the 32k in console mod?

    By Tornadoboy, April 18
    • 14 replies
    • 407 views
    • 
    • Tornadoboy
    • April 20

20. HAM-Radio TI-99/4A - HAM Radio (Hamsoft/Kantronics/MFJ Enterprises) 1 2 3

    By Schmitzi, April 22, 2017   

    • HAM-Radio
    • HAM
    • (and 5 more)

      Tagged with:

      • HAM-Radio
      • HAM
      • Radio
      • TI-99/4A
      • Kantronics
      • Hamsoft
      • MFJ
    • 71 replies
    • 3,972 views
    • 
    • humeur
    • April 20

21. TI GROM Numbers 1 2

    By Ksarul, March 27
    • 28 replies
    • 853 views
    • 
    • humeur
    • April 18

22. RGB Mod Explanation 1 2

    By Retro_Game_Lover96, August 20, 2020
    • 48 replies
    • 2,548 views
    • 
    • ChildOfCv
    • April 16

23. OT: TI990/10A

    By pnr, August 23, 2015
    • 16 replies
    • 1,343 views
    • 
    • Schmitzi
    • April 15

24. BBS Users?

    By Opry99er, July 4, 2013
    • 22 replies
    • 1,585 views
    • 
    • arcadeshopper
    • April 15

25. MDOS V7.30 Survey

    By 9640News, April 14
    • 10 replies
    • 204 views
    • 
    • Ksarul
    • April 15

26. Using a TIPI and a nanoPEB together

    By mnielsenau, April 15
    • 2 replies
    • 134 views
    • 
    • mnielsenau
    • April 15

27. Navigating Finalgrom 99

    By AtariNostalgia, March 7
    • 9 replies
    • 326 views
    • 
    • GDMike
    • April 15

28. "Fairware" definition

    By jbdigriz, April 3   

    • software
    • 6 replies
    • 307 views
    • 
    • GDMike
    • April 15

29. Pre-Pandemic LGR finds TI-99/4A in the wild

    By xabin, March 31
    • 4 replies
    • 265 views
    • 
    • GDMike
    • April 14

30. Creeping Inflation

    By atrax27407, April 7   

    • eproms
    • 3 replies
    • 292 views
    • 
    • GDMike
    • April 14

31. C64 has thrown down the gauntlet

    By TheBF, April 14
    • 6 replies
    • 238 views
    • 
    • GDMike
    • April 14

32. Myarc Disk manager 5

    By mantadoc, March 7, 2016
    • 16 replies
    • 504 views
    • 
    • mizapf
    • April 13

33. Ti-users groups newsletters and manuals

    By Dan Iacovelli, April 11
    • 12 replies
    • 351 views
    • 
    • Dan Iacovelli
    • April 12

34. Utility is it out there?

    By Shift838, April 11
    • 4 replies
    • 175 views
    • 
    • jedimatt42
    • April 12

35. Pinned thread compendium: Cart/ROM images, UberGROM, TIPI software, manuals, tele-meeting, photos, OT, and more

    By OLD CS1, August 23, 2020
    • 14 replies
    • 1,579 views
    • 
    • Schmitzi
    • April 11

36. Has anyone made an arcade cabinet with a TI?

    By AtariNostalgia, April 7
    • 12 replies
    • 455 views
    • 
    • Nightengale
    • April 10

37. New F18A install issues.

    By mnielsenau, April 8
    • 5 replies
    • 248 views
    • 
    • mnielsenau
    • April 9

38. TI99 Stuff on Twitter

    By Keith99er, March 1
    • 13 replies
    • 539 views
    • 
    • Airshack
    • April 9

39. April 2021 CTIUG Meeting

    By Chicago TI-99/4A Users Group, April 9   

    • chicagotiug
    • ctiug
    • (and 3 more)

      Tagged with:

      • chicagotiug
      • ctiug
      • ti99
      • ti994a
      • meeting
    • 0 replies
    • 72 views
    • 
    • Chicago TI-99/4A Users Group
    • April 9

40. CorComp 512K Ramdisk PEB card - firmware?

    By Calab, April 6
    • 16 replies
    • 354 views
    • 
    • arcadeshopper
    • April 7

41. Who created TI-99 BASIC, TI or MS? 1 2 3 4

    By hloberg, August 24, 2019
    • 86 replies
    • 3,717 views
    • 
    • mizapf
    • April 7

42. TI Disk Controller Source

    By InsaneMultitasker, April 5
    • 7 replies
    • 273 views
    • 
    • FALCOR4
    • April 7

43. Why is my display not quite right?

    By Tetlee, April 3
    • 14 replies
    • 327 views
    • 
    • Tetlee
    • April 5

44. Configuring TI-99 and Geneve emulations in MAME 1 2 3

    By mizapf, March 22   

    • mame
    • 50 replies
    • 893 views
    • 
    • mizapf
    • April 4

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

    By Omega-TI, December 22, 2020
    • 42 replies
    • 1,621 views
    • 
    • Nightengale
    • April 4

46. Joystick options

    By AtariNostalgia, March 10
    • 18 replies
    • 521 views
    • 
    • Tetlee
    • April 3

47. TI99 will not read cassette tape 1 2

    By mike_z, March 29
    • 41 replies
    • 701 views
    • 
    • mike_z
    • April 2

48. ABASIC ver ??? on the Geneve

    By jedimatt42, June 22, 2019
    • 11 replies
    • 458 views
    • 
    • GDMike
    • April 1

49. back of ST225/251 faceplate

    By Shift838, March 30
    • 7 replies
    • 175 views
    • 
    • Shift838
    • March 31

50. Seeking some high quality PDF files of these examples...

    By Omega-TI, August 13, 2015
    • 17 replies
    • 1,331 views
    • 
    • MikeV
    • March 31