TI-99/4A Computers

5,179 topics in this forum

1. CHARA1 file load

   By Bill R Sullivan, June 25
   • 16 replies
   • 298 views
   • 
   • TheBF
   • June 27

2. Ebay PEB

   By amiga92570, June 26   

   • ti-99/4a peb box
   • 6 replies
   • 348 views
   • 
   • digdugnate
   • June 27

3. Insight into the TI-99/4A QI Model

   By horizon2374, December 27, 2020
   • 24 replies
   • 769 views
   • 
   • FALCOR4
   • June 26

4. Are these real TI chips or counterfeit?

   By FarmerPotato, June 25
   • 1 reply
   • 125 views
   • 
   • HOME AUTOMATION
   • June 26

5. Anyone else pay $5.00 each month for AtariAge? 1 2

   By RXB, June 15
   • 31 replies
   • 773 views
   • 
   • Fredrik Öhrström
   • June 24

6. My 99 is finally complete, I received my TiPI!

   By AtariNostalgia, June 23
   • 1 reply
   • 146 views
   • 
   • jrhodes
   • June 23

7. Is aliexpress safe to buy these chips?

   By AtariNostalgia, June 5
   • 11 replies
   • 308 views
   • 
   • atrax27407
   • June 23

8. BATcomputer

   By Kchula-Rrit, March 21   

   • battery pack
   • 4 replies
   • 387 views
   • 
   • jedimatt42
   • June 21

9. Horizon RamDisk's Starting from Scratch

   By dhe, June 19
   • 7 replies
   • 238 views
   • 
   • senior_falcon
   • June 21

10. TI99 Infocom Games 1 2 3 4 5

    By Tempest, September 15, 2010
    • 109 replies
    • 8,868 views
    • 
    • Elia Spallanzani fdt
    • June 19

11. EU 6-pin A/V cable 1 2 3 4

    By matthew180, March 19, 2012
    • 87 replies
    • 9,984 views
    • 
    • Schmitzi
    • June 19

12. Gram Kracker replacement switches

    By FALCOR4, June 18   

    • gram kracker
    • switch
    • 1 reply
    • 131 views
    • 
    • Ksarul
    • June 19

13. Horizon Ramdisk Questions 1 2

    By Rick Thornquist, March 13
    • 33 replies
    • 964 views
    • 
    • InsaneMultitasker
    • June 18

14. Bad PLATO Courseware disk image - does anyone have a working one?

    By Rodney Hester, June 17
    • 2 replies
    • 170 views
    • 
    • Rodney Hester
    • June 18

15. Dilithium Dilithium Software / Dilithium Press Programs

    By Schmitzi, February 19, 2018   

    • Dilithium
    • Software
    • (and 2 more)

      Tagged with:

      • Dilithium
      • Software
      • Press
      • Programs
    • 9 replies
    • 878 views
    • 
    • HOME AUTOMATION
    • June 18

16. Happy 40th Birthday TI-99/4A

    By chue, June 14
    • 5 replies
    • 356 views
    • 
    • TheBF
    • June 17

17. New Release: Realms of Antiquity The Shattered Crown 1 2 3 4 11

    By adamantyr, December 29, 2020   

    • new
    • release
    • (and 2 more)

      Tagged with:

      • new
      • release
      • game
      • crpg
    • 266 replies
    • 8,929 views
    • 
    • arcadeshopper
    • June 16

18. Would a simple F18A palette tweaking tool be a cool tool to have?

    By pixelpedant, June 11
    • 12 replies
    • 355 views
    • 
    • pixelpedant
    • June 14

19. Any Aussies in this group?

    By Hawkangel, June 1
    • 4 replies
    • 244 views
    • 
    • globeron
    • June 13

20. Console Cooling Fan

    By FALCOR4, June 5   

    • fan
    • cooling
    • 17 replies
    • 460 views
    • 
    • fabrice montupet
    • June 12

21. Foundation 128k to 512k ???

    By Shift838, June 8
    • 6 replies
    • 187 views
    • 
    • Ksarul
    • June 8

22. Who has QS-Ramdisk for Foundation 128k memory card?

    By rgjt, June 7   

    • ramdisk
    • foundation 128k
    • (and 1 more)

      Tagged with:

      • ramdisk
      • foundation 128k
      • memory card
    • 12 replies
    • 256 views
    • 
    • rgjt
    • June 8

23. TI994w 6.1 doesn't work...

    By firebottle, June 3
    • 5 replies
    • 339 views
    • 
    • firebottle
    • June 8

24. RAM DISK - Interest check 1 2 3

    By Omega-TI, April 15, 2014
    • 69 replies
    • 3,403 views
    • 
    • Shift838
    • June 8

25. LISTS TI-99/4A - Resources & Lists, PDFs, and some Lists 1 2 3 4 18

    By Schmitzi, August 23, 2015   

    • lists
    • pdf
    • (and 8 more)

      Tagged with:

      • lists
      • pdf
      • ti-99
      • ti-99/4a
      • resources
      • doom
      • adventure
      • games
      • hardware
      • software
    • 432 replies
    • 36,732 views
    • 
    • Schmitzi
    • June 7

26. Ide card build issue. 1 2

    By RickyDean, May 8
    • 31 replies
    • 783 views
    • 
    • RickyDean
    • June 7

27. Final name for SDD 99 1 2

    By ralphb, May 25
    • 32 replies
    • 845 views
    • 
    • OLD CS1
    • June 6

28. TI manuals Word template

    By gferluga, June 5
    • 4 replies
    • 221 views
    • 
    • gferluga
    • June 6

29. Failing TI-99/4A - Starts into TI Basic, then dies

    By Hans23, June 5
    • 14 replies
    • 326 views
    • 
    • Ksarul
    • June 6

30. June 2021 CTIUG Meeting

    By Chicago TI-99/4A Users Group, June 4   

    • meeting
    • ctiug
    • (and 3 more)

      Tagged with:

      • meeting
      • ctiug
      • chicagotiug
      • ti99
      • ti994a
    • 0 replies
    • 117 views
    • 
    • Chicago TI-99/4A Users Group
    • June 4

31. Speech synthesizer review

    By AtariNostalgia, June 3
    • 4 replies
    • 234 views
    • 
    • wierd_w
    • June 3

32. Mechatronics in Germany?

    By acadiel, June 3
    • 0 replies
    • 151 views
    • 
    • acadiel
    • June 3

33. Extended BASIC implementation

    By Maury Markowitz, June 2
    • 10 replies
    • 462 views
    • 
    • apersson850
    • June 3

34. The most used resolution in games 1 2 3

    By AtariNostalgia, March 26
    • 60 replies
    • 1,975 views
    • 
    • AtariNostalgia
    • June 2

35. PEBox Card Extension

    By 9640News, June 1
    • 7 replies
    • 283 views
    • 
    • 9640News
    • June 2

36. ti99geek New versions available 1 2 3

    By F.G. Kaal, July 6, 2020
    • 68 replies
    • 2,784 views
    • 
    • rgjt
    • June 1

37. "Hickory, Dickory, Dock" for TI-99/4A, COMPUTE! Magazine Conversion

    By OLD CS1, May 23
    • 6 replies
    • 310 views
    • 
    • OLD CS1
    • June 1

38. TI99/4A Soft Resets When 6,7,8,9,0 pressed

    By Rob Wilco, May 28   

    • ti994a
    • tms9901
    • (and 1 more)

      Tagged with:

      • ti994a
      • tms9901
      • keyboard
    • 11 replies
    • 389 views
    • 
    • Tursi
    • June 1

39. HDX -- Users / Status Update 1 2

    By Omega-TI, May 7, 2014   

    • TI-99/4a
    • HDX
    • 41 replies
    • 4,161 views
    • 
    • F.G. Kaal
    • May 31

40. Weird ROMPAGE behaviour... 1 2 3

    By Brufnus, May 25
    • 51 replies
    • 626 views
    • 
    • Brufnus
    • May 31

41. TIM v9958 video upgrade for the TI-99/4A

    By RickyDean, May 22, 2018   

    • v9958
    • vdp
    • (and 1 more)

      Tagged with:

      • v9958
      • vdp
      • video
    • 21 replies
    • 1,860 views
    • 
    • OLD CS1
    • May 31

42. Strange video problem

    By weirdocollector, May 30
    • 8 replies
    • 209 views
    • 
    • weirdocollector
    • May 30

43. Geneve FORTH 1 2 3 4 18

    By GDMike, March 14
    • 429 replies
    • 6,926 views
    • 
    • GDMike
    • May 30

44. Replacing PEB On/Off Switch

    By Eagle4Christ, May 28
    • 6 replies
    • 181 views
    • 
    • Eagle4Christ
    • May 30

45. Error 41 when formatting disks

    By Calab, May 25
    • 8 replies
    • 208 views
    • 
    • Lumpy
    • May 30

46. ROMOX Charging station

    By Atari8bitCarts, February 3, 2017
    • 5 replies
    • 995 views
    • 
    • digdugnate
    • May 27

47. gamebase ti99/4a v2.1

    By bradhig1, May 27
    • 2 replies
    • 171 views
    • 
    • blackbox
    • May 27

48. What are the largest and most ambitious Extended BASIC games or projects in TI-99 history?

    By pixelpedant, May 11
    • 24 replies
    • 936 views
    • 
    • HOME AUTOMATION
    • May 27

49. Custom GeneveOS boot loader

    By mizapf, March 4   

    • geneve
    • 8 replies
    • 280 views
    • 
    • mizapf
    • May 26

50. Library Program wanted

    By atrax27407, May 18
    • 18 replies
    • 420 views
    • 
    • atrax27407
    • May 26