TI-99/4A Computers

6,301 topics in this forum

1. ENNEK TMS9000 computer

   By Reciprocating Bill, October 3, 2022
   • 12 replies
   • 780 views
   • 
   • Ksarul
   • February 7

2. 4 Volts at the GROM port

   By Kchula-Rrit, February 5   

   • grom
   • power
   • (and 1 more)

     Tagged with:

     • grom
     • power
     • motherboard
   • 7 replies
   • 270 views
   • 
   • Kchula-Rrit
   • February 7

3. PHP2700 Program Recorder maintenance/belts/rollers

   By Machead, February 6
   • 1 reply
   • 275 views
   • 
   • OLD CS1
   • February 6

4. Corcomp 9900 MES - Disk Controller + 32K Board Recreation 1 2 3

   By acadiel, March 13, 2022
   • 53 replies
   • 2.6k views
   • 
   • RickyDean
   • February 6

5. MDOS Version 7.42 Release 1 2

   By 9640News, December 27, 2023
   • 39 replies
   • 1.1k views
   • 
   • Brufnus
   • February 6

6. Keyboard stopped working! Ideas on a fix?

   By aftyde, February 2
   • 6 replies
   • 326 views
   • 
   • mrvan
   • February 6

7. 32K sidecar troubleshooting - solved

   By nitrohepcat, February 5
   • 1 reply
   • 194 views
   • 
   • RickyDean
   • February 5

8. Anyone else tried the new lumacode adapter?

   By dabone, February 4
   • 4 replies
   • 498 views
   • 
   • dabone
   • February 4

9. Mario Bros. 1 2 3 4

   By Tursi, December 25, 2023
   • 83 replies
   • 5.1k views
   • 
   • retrodroid
   • February 4

10. Running a Basic program

    By OX., January 28
    • 22 replies
    • 718 views
    • 
    • mizapf
    • February 4

11. Powertran Cortex Basic Programs

    By OX., February 2
    • 6 replies
    • 304 views
    • 
    • Stuart
    • February 3

12. Alpiner: What gives?

    By Opry99er, July 9, 2018
    • 15 replies
    • 1.3k views
    • 
    • globeron
    • February 3

13. Monty Schmidt's excellent "Technical Drive" book: PDF and OCR

    By JJB, February 1
    • 1 reply
    • 197 views
    • 
    • Gary from OPA
    • February 1

14. HSGPL & 80 Column Problem 1 2 3 4

    By Atari2600PAL, January 29
    • 76 replies
    • 1.5k views
    • 
    • Atari2600PAL
    • February 1

15. TI-99 Spring festival 2024 in Central Texas

    By hloberg, January 28
    • 11 replies
    • 628 views
    • 
    • Vorticon
    • January 31

16. I have the Star Trek cart and looking to trade for Personal Record Keeping

    By newTIboyRob, January 31
    • 2 replies
    • 240 views
    • 
    • newTIboyRob
    • January 31

17. Modding a TI99 console for DIJIT Avpc usage

    By Gary from OPA, January 28
    • 17 replies
    • 606 views
    • 
    • JasonACT
    • January 30

18. Have these aug.99er.net docs been archived?

    By RickyDean, January 29
    • 1 reply
    • 179 views
    • 
    • RickyDean
    • January 29

19. French Books Scanned

    By ti99iuc, January 22
    • 24 replies
    • 591 views
    • 
    • Retrospect
    • January 29

20. TI-99 NANO PEB - convert bin to dsk - is it possible?

    By gekido_ken, January 24
    • 5 replies
    • 308 views
    • 
    • FarmerPotato
    • January 28

21. Another AT2XT project

    By RickyDean, January 27
    • 2 replies
    • 271 views
    • 
    • brain
    • January 28

22. GROM / Addressing for Dummies Please

    By Atari2600PAL, January 26
    • 18 replies
    • 540 views
    • 
    • Lee Stewart
    • January 26

23. SCSI Pal's 1 2

    By RickyDean, January 19
    • 32 replies
    • 1k views
    • 
    • InsaneMultitasker
    • January 26

24. new products at arcadeshopper.com 1 2 3 4 20

    By arcadeshopper, November 6, 2016
    • 493 replies
    • 44.1k views
    • 
    • arcadeshopper
    • January 26

25. I need help understanding error codes when using my PEB disk drive.

    By Old timer 99er, January 5
    • 13 replies
    • 581 views
    • 
    • XLERB
    • January 26

26. just a quickie on CALL CLEAR 1 2 3

    By newTIboyRob, September 30, 2023
    • 62 replies
    • 2.2k views
    • 
    • RickyDean
    • January 24

27. In need of CorComp FDC pics... 1 2 3 4

    By pcoderdude14, December 30, 2017
    • 77 replies
    • 4.2k views
    • 
    • RickyDean
    • January 23

28. After Hours BBS Program 1 2 3 4 15

    By 9640News, January 16, 2020
    • 359 replies
    • 15.3k views
    • 
    • arcadeshopper
    • January 23

29. Geneve WHT Turbo Video Upgrade

    By Shift838, January 11
    • 24 replies
    • 697 views
    • 
    • Shift838
    • January 22

30. TI-99/4A Keyboard Repair?

    By 20ohm20, November 11, 2011
    • 13 replies
    • 3.7k views
    • 
    • OLD CS1
    • January 21

31. Which emulator? 1 2 3

    By apersson850, August 8, 2020
    • 61 replies
    • 4.6k views
    • 
    • apersson850
    • January 21

32. RetroBat (Windows 11 EmulationStation Frontend) using .rpk format (MAME64 or Libretro/MAME) 1 2

    By globeron, June 10, 2023   

    • mame
    • mame64
    • (and 4 more)

      Tagged with:

      • mame
      • mame64
      • libretro
      • ti99
      • emulation
      • windows
    • 27 replies
    • 2.6k views
    • 
    • globeron
    • January 20

33. Shout Out CaDD Electronics

    By helocast, January 19
    • 2 replies
    • 265 views
    • 
    • WhataKowinkydink
    • January 20

34. Ti99Dir version 9.1.a 1 2 3

    By F.G. Kaal, November 5, 2023
    • 58 replies
    • 3k views
    • 
    • F.G. Kaal
    • January 19

35. just ordered a TIPI 32K

    By djmartins, January 17
    • 9 replies
    • 577 views
    • 
    • Tursi
    • January 18

36. Death Star for Missing Link 1 2 3

    By Tursi, December 10, 2022
    • 50 replies
    • 2.6k views
    • 
    • Tursi
    • January 18

37. nanoPEB Power Supply

    By Torrax, January 13
    • 5 replies
    • 330 views
    • 
    • Torrax
    • January 17

38. Unboxing a "never opened" TI994/A from 40 years ago

    By RickyDean, December 16, 2023
    • 23 replies
    • 920 views
    • 
    • Kchula-Rrit
    • January 16

39. Importing New GROMs & Roms on Classic99

    By Ayce, January 6
    • 11 replies
    • 491 views
    • 
    • OLD CS1
    • January 16

40. TIPI unable to setup from TI BASIC as CALL TIPI returns * BAD Name

    By royedmund, January 11
    • 3 replies
    • 265 views
    • 
    • royedmund
    • January 16

41. Finalgrom99 and building package.hex

    By HomeLate, December 7, 2023
    • 14 replies
    • 541 views
    • 
    • HomeLate
    • January 15

42. looking for a TI Writer cart

    By newTIboyRob, January 15
    • 6 replies
    • 261 views
    • 
    • arcadeshopper
    • January 15

43. MyTerm TIPI Version 1.20 for MDOS V7.40/V7.42 and The Geneve 9640

    By 9640News, January 15
    • 0 replies
    • 142 views
    • 
    • 9640News
    • January 15

44. online disk image tool?

    By jrhodes, December 14, 2018
    • 4 replies
    • 362 views
    • 
    • RickyDean
    • January 14

45. CompuMate Games

    By whatwhat?, May 13, 2014
    • 6 replies
    • 1.1k views
    • 
    • Retrospect
    • January 13

46. Yet another Peripheral Expansion Box troubleshooting thread

    By chue, December 13, 2023
    • 18 replies
    • 712 views
    • 
    • Geoff Oltmans
    • January 11

47. FinalGROM and Garbled Speech?

    By Yosikuma, January 7
    • 2 replies
    • 234 views
    • 
    • arcadeshopper
    • January 11

48. New Tape game WAV's 1 2

    By OX., January 8
    • 35 replies
    • 940 views
    • 
    • Retrospect
    • January 10

49. Whats new in TI-99/4A world? 1 2 3 4 5

    By pjduplooy, January 5, 2012
    • 109 replies
    • 19.8k views
    • 
    • OLD CS1
    • January 10

50. Stephen Shaw and Stainless Software (UK)

    By InfernalKeith, July 1, 2014
    • 13 replies
    • 1.8k views
    • 
    • chue
    • January 9