TI-99/4A Computers

4,665 topics in this forum

1. Video: TI-99/4A Powering Up and Diagnostics (PAL)

   By llopis, July 16
   • 0 replies
   • 84 views
   • 
   • llopis
   • July 16

2. TIPI Interweaved Files Repository (is it time).

   By Omega-TI, July 14
   • 9 replies
   • 198 views
   • 
   • InsaneMultitasker
   • July 15

3. TIPI/FG99 Owners Poll - Preference on storing & using games.

   By Omega-TI, July 14   

   • tipi
   • fg99
   • (and 3 more)

     Tagged with:

     • tipi
     • fg99
     • ti99/4a
     • storage
     • hardware
   • 16 replies
   • 159 views
   • 
   • Omega-TI
   • July 14

4. SRAM Replacement for TMS99x8 VRAM

   By retroclouds, July 14   

   • tms99x8
   • vdp
   • (and 1 more)

     Tagged with:

     • tms99x8
     • vdp
     • sram
   • 0 replies
   • 98 views
   • 
   • retroclouds
   • July 14

5. New power supply project for TI-99/4a 1 2 3

   By retro_doog, July 3
   • 64 replies
   • 1,021 views
   • 
   • Omega-TI
   • July 14

6. Horizon ramdisk help

   By budz2355, July 9
   • 11 replies
   • 181 views
   • 
   • InsaneMultitasker
   • July 12

7. TMS-RGB Mod

   By retroclouds, July 11
   • 18 replies
   • 427 views
   • 
   • Tursi
   • July 12

8. Help me please

   By budz2355, January 30
   • 10 replies
   • 300 views
   • 
   • Tursi
   • July 12

9. "Sleeper" TI-Games (already in .BIN format)

   By Omega-TI, July 9
   • 20 replies
   • 359 views
   • 
   • Omega-TI
   • July 12

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

    By jedimatt42, May 27
    • 63 replies
    • 1,086 views
    • 
    • globeron
    • July 12

11. Going back to the beginning of this forum...

    By Omega-TI, July 12
    • 0 replies
    • 97 views
    • 
    • Omega-TI
    • July 12

12. TIPI, the Weather and the F18A

    By Omega-TI, July 9
    • 14 replies
    • 318 views
    • 
    • arcadeshopper
    • July 10

13. Are YOU onboard for... TI ONLY DAY? 1 2 3 4

    By Omega-TI, July 14, 2017
    • 84 replies
    • 3,192 views
    • 
    • Badaboom
    • July 10

14. DICE RACK - new XB game release

    By InfernalKeith, May 30
    • 8 replies
    • 264 views
    • 
    • Ksarul
    • July 9

15. Parsec has been ported to the Spectrum

    By Imperious, July 8
    • 18 replies
    • 356 views
    • 
    • Firefly
    • July 9

16. Update for TIDir

    By atrax27407, May 8
    • 12 replies
    • 572 views
    • 
    • atrax27407
    • July 9

17. Mame Ti-99/4A vs Cart Images

    By polyex, July 6
    • 5 replies
    • 146 views
    • 
    • hloberg
    • July 8

18. Monitor interference messing with cassette load?

    By InfernalKeith, July 5
    • 6 replies
    • 136 views
    • 
    • apersson850
    • July 8

19. Level-2 I/O does not work if file is opened with Level-3

    By Kchula-Rrit, July 4   

    • nanopeb
    • assembly
    • (and 2 more)

      Tagged with:

      • nanopeb
      • assembly
      • level-2 i/o
      • level-3 i/o
    • 3 replies
    • 115 views
    • 
    • RXB
    • July 7

20. Replacing 4116 ram with 4164 for reliability

    By arcadeshopper, October 11, 2016
    • 4 replies
    • 5,725 views
    • 
    • arcadeshopper
    • July 7

21. Images for ROMs, FlashROM 99, FinalGROM 99, manuals, strips, and more 1 2 3 4

    By OLD CS1, May 20, 2018   

    • rom
    • fr99
    • (and 5 more)

      Tagged with:

      • rom
      • fr99
      • fg99
      • flashrom 99
      • finalgrom 99
      • manuals
      • strips
    • 87 replies
    • 10,299 views
    • 
    • arcadeshopper
    • July 6

22. TI-99/4A manuals and documentation project 1 2 3 4 5

    By iKarith, June 3, 2016   

    • documentation
    • 122 replies
    • 10,339 views
    • 
    • ngtwolf
    • July 6

23. Simple Console Modifications

    By dhe, December 31, 2019
    • 21 replies
    • 622 views
    • 
    • dgrissom
    • July 6

24. Beige 99/4A PAL

    By gferluga, July 5
    • 2 replies
    • 113 views
    • 
    • helocast
    • July 5

25. Myarc PEB cards 1 2

    By dphirschler, August 12, 2014
    • 27 replies
    • 1,514 views
    • 
    • mizapf
    • July 5

26. TI-99/4A Related Products

    By Omega-TI, July 4
    • 2 replies
    • 130 views
    • 
    • Stuart
    • July 4

27. Central Texas Retro Computer Club Zoom meeting Sat july 11

    By hloberg, July 4
    • 0 replies
    • 62 views
    • 
    • hloberg
    • July 4

28. It's Official - I'm spending too much time with TI stuff!

    By Omega-TI, June 23
    • 3 replies
    • 224 views
    • 
    • Airshack
    • July 4

29. Signalman Anchor Automation Mark III T.I. 300-

    By GDMike, January 30, 2019
    • 15 replies
    • 448 views
    • 
    • CoreMem
    • July 4

30. The Wing War Manual that never was...and now is?

    By pixelpedant, July 3
    • 8 replies
    • 261 views
    • 
    • Airshack
    • July 4

31. MyArc Extended BASIC II MAME setup 1 2 3

    By hloberg, June 1
    • 65 replies
    • 1,171 views
    • 
    • Ksarul
    • July 3

32. Has anyone seen - an atari 2600 joysitck to usb adapter?

    By dhe, November 10, 2019
    • 18 replies
    • 633 views
    • 
    • MeneerJansen
    • July 3

33. Discussion Group - Force command Users

    By Omega-TI, July 2
    • 5 replies
    • 113 views
    • 
    • dgrissom
    • July 3

34. Force Command - User's Sample Scripts/Menus/Support Programs

    By Omega-TI, May 29
    • 14 replies
    • 406 views
    • 
    • Omega-TI
    • July 2

35. New Products at SHIFT838 Store 1 2

    By Shift838, July 24, 2018
    • 42 replies
    • 2,279 views
    • 
    • Shift838
    • July 2

36. SCART-Genie 9640 Case Available!

    By Shift838, June 22
    • 18 replies
    • 228 views
    • 
    • Schmitzi
    • July 1

37. Low level disk access required

    By jrhodes, June 27
    • 6 replies
    • 217 views
    • 
    • apersson850
    • June 29

38. Pyuuta Mk-II Book

    By Ksarul, June 17
    • 6 replies
    • 323 views
    • 
    • hloberg
    • June 28

39. Who here has the most "hopped up" TI Console?

    By Omega-TI, June 26
    • 14 replies
    • 320 views
    • 
    • Omega-TI
    • June 28

40. what are the history of these disk compilations

    By hloberg, June 27
    • 3 replies
    • 151 views
    • 
    • hloberg
    • June 28

41. Items for the TI whose time has come and gone. 1 2

    By Omega-TI, May 15
    • 32 replies
    • 908 views
    • 
    • retroclouds
    • June 27

42. Is Pascal slow?

    By apersson850, June 14
    • 13 replies
    • 354 views
    • 
    • apersson850
    • June 25

43. Off-topic: Opinions on public Zoom meeting access info

    By jmazzy, June 21   

    • off-topic
    • 5 replies
    • 175 views
    • 
    • Lee Stewart
    • June 25

44. I2C Display (Revisited)

    By Omega-TI, June 25
    • 8 replies
    • 134 views
    • 
    • jrhodes
    • June 25

45. I never expected this to happen!

    By Omega-TI, June 24
    • 2 replies
    • 198 views
    • 
    • Omega-TI
    • June 24

46. Late model, after-exit 4A (?)

    By OLD CS1, June 24
    • 4 replies
    • 218 views
    • 
    • Ksarul
    • June 24

47. TI-99/4A Related Animated GIF's

    By Omega-TI, June 23
    • 2 replies
    • 114 views
    • 
    • Omega-TI
    • June 24

48. TI-99/4A - A Visual History (with help from Ebay) ;)

    By Omega-TI, June 23
    • 5 replies
    • 146 views
    • 
    • Omega-TI
    • June 24

49. Lubbock Texas TI Sites 1 2

    By Airshack, April 11, 2019
    • 48 replies
    • 1,675 views
    • 
    • CC Clarke
    • June 23

50. What time works best for you? Zoom-TI-99ers Pandemic 4A Club

    By jedimatt42, June 20
    • 13 replies
    • 253 views
    • 
    • Omega-TI
    • June 23