TI-99/4A Computers

6,227 topics in this forum

1. Hackaday project: keyboard PCB replacement

   By retroclouds, April 4
   • 23 replies
   • 703 views
   • 
   • visrealm
   • April 15

2. Searching For "Attack Of The Creepers" Game In Cartridge Binary Format

   By stud33heisman, April 13
   • 4 replies
   • 281 views
   • 
   • stud33heisman
   • April 15

3. DataBioTics label attachment question

   By OLD CS1, April 11
   • 3 replies
   • 193 views
   • 
   • OLD CS1
   • April 11

4. Trying to trace my TI origins... 1 2

   By cbmeeks, March 28
   • 29 replies
   • 1.1k views
   • 
   • Kchula-Rrit
   • April 10

5. Annual 10 line basic program contest has started

   By arcadeshopper, January 31
   • 13 replies
   • 550 views
   • 
   • arcadeshopper
   • April 10

6. TI99 keycaps puller tool

   By dphirschler, April 5
   • 1 reply
   • 189 views
   • 
   • visrealm
   • April 9

7. Educational software for very young children

   By arcadeshopper, March 31
   • 13 replies
   • 489 views
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   • arcadeshopper
   • April 8

8. Backbit 32K doesn't work with speech synthesizer?

   By Charlie_, April 3
   • 8 replies
   • 422 views
   • 
   • Charlie_
   • April 8

9. Why does CALL SOUND use millisecond durations?

   By OLD CS1, April 6
   • 18 replies
   • 493 views
   • 
   • apersson850
   • April 8

10. AXELF Theme for MDOS mode

    By 9640News, April 6
    • 2 replies
    • 174 views
    • 
    • 9640News
    • April 6

11. TMS2564

    By atrax27407, October 6, 2017
    • 20 replies
    • 2.5k views
    • 
    • acadiel
    • April 6

12. IO Error Listing

    By Cheung, April 5
    • 1 reply
    • 156 views
    • 
    • HOME AUTOMATION
    • April 5

13. John Willforth ProtoType Board Manual

    By dhe, April 2
    • 10 replies
    • 301 views
    • 
    • RickyDean
    • April 4

14. Repair service

    By garetjax, April 1
    • 3 replies
    • 250 views
    • 
    • garetjax
    • April 3

15. QI model schematics 1 2

    By JasonACT, March 25
    • 35 replies
    • 921 views
    • 
    • Gary from OPA
    • April 2

16. TI-99/4a Audio Spectrum Analyser

    By jrweikle, March 19
    • 8 replies
    • 420 views
    • 
    • KG7PFS
    • April 2

17. TI-USER magazine (UK) - (1983 - 1984)

    By ti99iuc, March 30
    • 0 replies
    • 170 views
    • 
    • ti99iuc
    • March 30

18. RXB 2024 update 1 2 3

    By RXB, December 17, 2023
    • 55 replies
    • 2.3k views
    • 
    • RXB
    • March 30

19. restoring the keyboard 1 2

    By dphirschler, August 8, 2014
    • 30 replies
    • 3.6k views
    • 
    • chue
    • March 29

20. Cassette tips?

    By PasadenaBrad, March 29
    • 4 replies
    • 191 views
    • 
    • Gary from OPA
    • March 29

21. Next ChicagoTIUG Meeting 03/30/2024

    By Chicago TI-99/4A Users Group, March 28   

    • chicagotiug
    • ctiug
    • (and 3 more)

      Tagged with:

      • chicagotiug
      • ctiug
      • meeting
      • ti99
      • ti994a
    • 0 replies
    • 120 views
    • 
    • Chicago TI-99/4A Users Group
    • March 28

22. TI-99/4A - Some keys not working.

    By 8bit misfit, March 24
    • 6 replies
    • 285 views
    • 
    • Ksarul
    • March 27

23. David Ahl's books

    By Vorticon, March 20
    • 11 replies
    • 457 views
    • 
    • Tursi
    • March 25

24. Looking for scans of TI cartridge boxes & manuals

    By TheMole, March 22
    • 15 replies
    • 387 views
    • 
    • Rick Thornquist
    • March 24

25. Classic99 Display Video Options

    By jonesypeter, March 23
    • 2 replies
    • 194 views
    • 
    • jonesypeter
    • March 24

26. Sierra's Space Quest on the TI! 1 2 3

    By Vorticon, November 16, 2020
    • 71 replies
    • 6.7k views
    • 
    • budz2355
    • March 23

27. CHM live event: "Dialed In The Prehistory of Social Media"

    By jbdigriz, March 22
    • 8 replies
    • 217 views
    • 
    • OLD CS1
    • March 23

28. TI99/4a 32K sidecar - why only 32K?

    By nitrohepcat, March 7
    • 23 replies
    • 730 views
    • 
    • RickyDean
    • March 22

29. TI Logo in languages other than English

    By Ksarul, March 20
    • 11 replies
    • 407 views
    • 
    • Gary from OPA
    • March 22

30. new user to myti99.com - links for Login and Create New User are not active for me

    By nitrohepcat, March 14
    • 13 replies
    • 412 views
    • 
    • OLD CS1
    • March 22

31. Old IDE drives...

    By Kchula-Rrit, March 20
    • 6 replies
    • 216 views
    • 
    • Kchula-Rrit
    • March 21

32. Anyone know how to get MAME to work? 1 2

    By ball, December 9, 2023
    • 33 replies
    • 1.1k views
    • 
    • mizapf
    • March 20

33. SCSI WHT Card Revision G

    By humeur, March 20
    • 2 replies
    • 123 views
    • 
    • humeur
    • March 20

34. a question... Best 99er book

    By ti99iuc, March 7, 2011
    • 7 replies
    • 886 views
    • 
    • HOME AUTOMATION
    • March 20

35. Search copy of floppy Program for Scsi WHT

    By humeur, February 28
    • 12 replies
    • 339 views
    • 
    • humeur
    • March 19

36. Need information and help...TI -> 32kb-> tipi -> RasPI connections

    By JPSAF, March 19
    • 2 replies
    • 126 views
    • 
    • JPSAF
    • March 19

37. Where to buy TI99/4a keyboard?

    By pcoleff, March 8
    • 10 replies
    • 498 views
    • 
    • arcadeshopper
    • March 19

38. Space Battle

    By TI_Ken, March 19
    • 5 replies
    • 262 views
    • 
    • sometimes99er
    • March 19

39. The mega UberGROM thread (start here) 1 2

    By acadiel, April 20, 2020
    • 28 replies
    • 3.4k views
    • 
    • Ksarul
    • March 18

40. TI-99 Viditel Cartridge 1 2

    By Gary from OPA, March 15
    • 29 replies
    • 764 views
    • 
    • Gary from OPA
    • March 17

41. [PSA] Geek with Social Skills - Adrian/Ron YouTube Video

    By acadiel, March 8
    • 3 replies
    • 540 views
    • 
    • arcadeshopper
    • March 16

42. Chicago TImes Newsletter has returned!

    By JB Freeware, February 13
    • 20 replies
    • 645 views
    • 
    • Vorticon
    • March 16

43. Getting my Mechatronic 80 column sidecar working

    By Gary from OPA, March 15
    • 11 replies
    • 297 views
    • 
    • Artoj
    • March 16

44. HAPPY PI DAY (3 14)

    By TheBF, March 14
    • 11 replies
    • 242 views
    • 
    • TheBF
    • March 15

45. How do i make a simple cart

    By MrDave, March 14
    • 8 replies
    • 275 views
    • 
    • Gary from OPA
    • March 14

46. Looking for Dig Dug cart

    By horizon2374, March 10
    • 1 reply
    • 172 views
    • 
    • atrax27407
    • March 10

47. MDM5 Questions.

    By dhe, March 9
    • 1 reply
    • 189 views
    • 
    • Gary from OPA
    • March 9

48. DS99/4a - An Emulator for the DS/DSi/XL/LL 1 2

    By wavemotion, February 16
    • 37 replies
    • 1.6k views
    • 
    • wavemotion
    • March 9

49. TI99 New Game Drop Off

    By Cheung, May 4, 2023
    • 21 replies
    • 1.8k views
    • 
    • Cheung
    • March 9

50. Case for the TexElec TI-99/4A to Atari Joystick Adapter

    By sixersfan105, October 25, 2019
    • 9 replies
    • 940 views
    • 
    • Smoker Ace
    • March 8