TI-99/4A Computers

6,153 topics in this forum

1. Update on The Sparkdrummer

   By Foot, Saturday at 06:01 PM
   • 22 replies
   • 446 views
   • 
   • Serafini Lapo
   • 4 hours ago

2. Zoom-TI-99ers Pandemic 4A Club Online Virtual Meetup 1 2 3 4 15

   By jedimatt42, June 19, 2020
   • 358 replies
   • 23.9k views
   • 
   • Gary from OPA
   • April 6

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

   By arcadeshopper, June 25, 2017   

   • faq
   • ti-99/4a
   • (and 21 more)

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     • 32k
     • games
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     • vendors
     • users groups
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     • information
     • new
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     • rtfm
   • 66 replies
   • 31.7k views
   • 
   • acadiel
   • December 28, 2022

4. High Score Competition (April: Starfort) 1 2 3 4 153

   By arcadeshopper, August 12, 2015
   • 3.8k replies
   • 295.5k views
   • 
   • OLD CS1
   • Wednesday at 08:13 PM

5. In Germany and Poland May 4 through May 13

   By Jeff White, 8 hours ago
   • 3 replies
   • 53 views
   • 
   • OLD CS1
   • 6 hours ago

6. MDOS Version 7.45 Release

   By 9640News, Sunday at 08:34 PM
   • 1 reply
   • 62 views
   • 
   • 9640News
   • Sunday at 10:21 PM

7. 838-SCSI PREORDER is live!

   By Shift838, Sunday at 04:43 PM
   • 1 reply
   • 75 views
   • 
   • 9640News
   • Sunday at 06:38 PM

8. Internal speaker hack

   By PasadenaBrad, Saturday at 08:19 PM
   • 5 replies
   • 138 views
   • 
   • PasadenaBrad
   • Sunday at 04:52 AM

9. Extra TI books: TI Logo II and Logo Sampler, TE protocol, TI Forth

   By OLD CS1, Saturday at 04:04 PM
   • 0 replies
   • 57 views
   • 
   • OLD CS1
   • Saturday at 04:04 PM

10. Backing up Floppies 1 2

    By Atari2600PAL, Friday at 07:55 PM
    • 25 replies
    • 349 views
    • 
    • FarmerPotato
    • 10 hours ago

11. WHTSCSI on Geneve 1 2

    By Shift838, Thursday at 11:39 PM
    • 31 replies
    • 335 views
    • 
    • 9640News
    • Saturday at 11:16 PM

12. Innermost Secrets Of TI-99/4A by Randy Holcomb

    By Gary from OPA, Thursday at 07:20 PM
    • 1 reply
    • 164 views
    • 
    • humeur
    • Thursday at 08:37 PM

13. Question for all you Hardware Guru's

    By JB Freeware, April 16
    • 22 replies
    • 393 views
    • 
    • JB Freeware
    • Thursday at 07:57 AM

14. Requesting Assistance Troubleshooting A Newly Set Up TIPI PEB

    By stud33heisman, April 16
    • 1 reply
    • 107 views
    • 
    • arcadeshopper
    • April 16

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

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

16. DataBioTics label attachment question

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

17. Help requested about Nano PEB 1 2 3

    By stevelanc, April 8
    • 67 replies
    • 1.3k views
    • 
    • Tursi
    • April 15

18. Why does CALL SOUND use millisecond durations?

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

19. AXELF Theme for MDOS mode

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

20. the TI99 spring festival is on for June 7,8,9 in Texas with poll of who might attend 1 2

    By hloberg, April 6
    • 31 replies
    • 706 views
    • 
    • hloberg
    • April 14

21. TI99 keycaps puller tool

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

22. IO Error Listing

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

23. Hackaday project: keyboard PCB replacement

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

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

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

25. John Willforth ProtoType Board Manual

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

26. Repair service

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

27. Educational software for very young children

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

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

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

29. Cassette tips?

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

30. Next ChicagoTIUG Meeting 03/30/2024

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

    • chicagotiug
    • ctiug
    • (and 3 more)

      Tagged with:

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

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

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

32. QI model schematics 1 2

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

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

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

34. Classic99 Display Video Options

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

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

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

36. Looking for scans of TI cartridge boxes & manuals

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

37. SCSI WHT Card Revision G

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

38. Old IDE drives...

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

39. David Ahl's books

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

40. TI Logo in languages other than English

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

41. TI-99/4a Audio Spectrum Analyser

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

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

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

43. Space Battle

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

44. Getting my Mechatronic 80 column sidecar working

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

45. TI-99 Viditel Cartridge 1 2

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

46. HAPPY PI DAY (3 14)

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

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

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

48. How do i make a simple cart

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

49. Looking for Dig Dug cart

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

50. MDM5 Questions.

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