TI-99/4A Computers

5,075 topics in this forum

1. P-code sidecar - PHP 2400

   By Casey, October 9, 2017
   • 3 replies
   • 643 views
   • 
   • globeron
   • October 9, 2017

2. OT - Off The Wall Items -- (For your computer hobby)

   By Omega-TI, May 22, 2018
   • 3 replies
   • 329 views
   • 
   • iKarith
   • May 25, 2018

3. Anyone have a copy of?

   By atrax27407, October 19, 2018
   • 3 replies
   • 179 views
   • 
   • atrax27407
   • October 20, 2018

4. TI-99/4A Related Graphics

   By Omega-TI, August 14, 2015
   • 3 replies
   • 552 views
   • 
   • ti99iuc
   • August 15, 2015

5. Geneve to VGA Monitor

   By dhe, January 21
   • 3 replies
   • 117 views
   • 
   • Shift838
   • January 21

6. Programs utilizing speech on the TI

   By Omega-TI, April 7, 2015
   • 3 replies
   • 665 views
   • 
   • Willsy
   • April 7, 2015

7. Old sprite code question -- hoping someone remembers

   By 994a, May 8, 2016
   • 3 replies
   • 423 views
   • 
   • 994a
   • May 8, 2016

8. The Stafford Predicament : A Brief Review

   By jedimatt42, September 5, 2015   

   • Adventure
   • 3 replies
   • 904 views
   • 
   • Opry99er
   • September 5, 2015

9. /4 Keyboard only left half works. Right half not

   By globeron, December 14, 2020
   • 3 replies
   • 180 views
   • 
   • globeron
   • December 19, 2020

10. TI-74 vs TI-74 S differences

    By acadiel, September 26, 2018
    • 3 replies
    • 199 views
    • 
    • apersson850
    • September 26, 2018

11. SMD soldering help in Europe?

    By matthew180, October 24, 2017
    • 3 replies
    • 726 views
    • 
    • matthew180
    • October 25, 2017

12. How to ? Atari on UG

    By mantadoc, August 1, 2016
    • 3 replies
    • 488 views
    • 
    • Ksarul
    • August 8, 2016

13. $H!^^y things you learn AFTER you finish a project!

    By Omega-TI, June 20, 2015
    • 3 replies
    • 476 views
    • 
    • Plastik
    • June 21, 2015

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

    By Kchula-Rrit, July 4, 2020   

    • nanopeb
    • assembly
    • (and 2 more)

      Tagged with:

      • nanopeb
      • assembly
      • level-2 i/o
      • level-3 i/o
    • 3 replies
    • 171 views
    • 
    • RXB
    • July 7, 2020

15. MDOS Disk Images for MAME

    By Willsy, August 28, 2015
    • 3 replies
    • 606 views
    • 
    • Schmitzi
    • August 30, 2015

16. TI99 USB Keys for Bill

    By Shift838, March 31, 2017
    • 3 replies
    • 460 views
    • 
    • FDOS
    • April 1, 2017

17. "Mind Challengers" old style manual scan?

    By OLD CS1, November 2, 2020
    • 3 replies
    • 431 views
    • 
    • OLD CS1
    • November 3, 2020

18. The NEW Super AMS revolution!

    By Omega-TI, April 11, 2016   

    • TI-99/4A
    • AMS
    • (and 2 more)

      Tagged with:

      • TI-99/4A
      • AMS
      • SAMS
      • 4Meg
    • 3 replies
    • 1,750 views
    • 
    • Omega-TI
    • July 27, 2016

19. June 2018 CTIUG Meeting

    By jasmaz, May 30, 2018   

    • CTIUG
    • ChicagoTIUG
    • (and 1 more)

      Tagged with:

      • CTIUG
      • ChicagoTIUG
      • Meeting
    • 3 replies
    • 432 views
    • 
    • Opry99er
    • June 2, 2018

20. MAME harddisk switch

    By etownandy, August 23, 2016
    • 3 replies
    • 627 views
    • 
    • mizapf
    • August 23, 2016

21. Retro Modifications & 'upgrades' to the Peripheral Expansion Box

    By Omega-TI, November 8, 2017
    • 3 replies
    • 585 views
    • 
    • Omega-TI
    • November 13, 2017

22. TI-99/4 Origins: Employee Interviews

    By Airshack, April 24, 2019
    • 3 replies
    • 271 views
    • 
    • Stuart
    • April 24, 2019

23. Four Bank Supercart

    By Ksarul, June 15, 2014
    • 3 replies
    • 512 views
    • 
    • Ksarul
    • June 16, 2014

24. TI-99/4A users in Chattanooga?

    By cbmeeks, January 18, 2019   

    • chattanooga
    • 3 replies
    • 117 views
    • 
    • atrax27407
    • January 18, 2019

25. Stock TI Floppy Disk Drives

    By TI-GAMER, May 22, 2015
    • 3 replies
    • 529 views
    • 
    • TI-GAMER
    • May 22, 2015

26. Firehose reparation

    By gferluga, May 26
    • 3 replies
    • 134 views
    • 
    • Ksarul
    • May 27

27. Atari System 1 Prototype using TMS5220 Speech

    By kl99, November 1, 2017
    • 3 replies
    • 590 views
    • 
    • Jack the gamer 3
    • October 15, 2020

28. Can someone create a "pinned" topic for TI/99/4A hardware acquisition?

    By courtesi96, June 23, 2017
    • 3 replies
    • 488 views
    • 
    • arcadeshopper
    • June 23, 2017

29. Fire button in TI-BASIC on the TI-99/4A

    By Synthead, April 15, 2010
    • 3 replies
    • 881 views
    • 
    • retroclouds
    • April 16, 2010

30. some july 4 music

    By InsaneMultitasker, July 5, 2014
    • 3 replies
    • 482 views
    • 
    • InfernalKeith
    • July 6, 2014

31. Heathkit Hero Jr robot wireless monitoring and control by the TI 99/4A

    By Vorticon, January 11, 2020
    • 3 replies
    • 241 views
    • 
    • Vorticon
    • January 11, 2020

32. Chips and stuff...

    By barry.peterson, September 5, 2019
    • 3 replies
    • 262 views
    • 
    • barry.peterson
    • September 5, 2019

33. Entering Symbols in a program

    By Bob K, January 16, 2017
    • 3 replies
    • 426 views
    • 
    • jedimatt42
    • January 17, 2017

34. NanoPEB Power adapter?

    By JamesH, January 18, 2019
    • 2 replies
    • 328 views
    • 
    • FarmerPotato
    • January 19, 2019

35. FS: Dragon's Lair TI-99/4A cart

    By jumpthecup, April 5, 2020
    • 2 replies
    • 250 views
    • 
    • jumpthecup
    • April 9, 2020

36. looking for TI-99 history buff

    By rkindig, August 15, 2015
    • 2 replies
    • 436 views
    • 
    • Omega-TI
    • August 15, 2015

37. anyone wish to make me a cable?

    By newTIboyRob, March 9, 2015   

    • joystick
    • 2 replies
    • 644 views
    • 
    • Shift838
    • March 10, 2015

38. PEB interface cable repair

    By Vorticon, October 31, 2016
    • 2 replies
    • 461 views
    • 
    • Vorticon
    • November 1, 2016

39. What's this keyboard, can it be cleaned?

    By gheller-iii, November 16, 2016
    • 2 replies
    • 416 views
    • 
    • gheller-iii
    • November 17, 2016

40. TI Invaders, Parsec, Munchman pins

    By flomster, November 23, 2016
    • 2 replies
    • 475 views
    • 
    • flomster
    • November 24, 2016

41. 99 SID Card

    By budz2355, May 8, 2015
    • 2 replies
    • 487 views
    • 
    • marc.hull
    • May 8, 2015

42. TI-99/4A - TouchPads & KeyPads - Q&A

    By Schmitzi, September 28, 2015   

    • TI-99
    • TI-99/4A
    • (and 7 more)

      Tagged with:

      • TI-99
      • TI-99/4A
      • TouchPad
      • TouchPads
      • TI99
      • HID
      • Joystick
      • KeyPad
      • KeyPads
    • 2 replies
    • 836 views
    • 
    • Schmitzi
    • September 28, 2015

43. Hexbus display adapter

    By acadiel, March 5, 2018
    • 2 replies
    • 334 views
    • 
    • OLD CS1
    • March 5, 2018

44. beige TI99 hardware question

    By newTIboyRob, March 13, 2020
    • 2 replies
    • 155 views
    • 
    • newTIboyRob
    • March 13, 2020

45. CSI Horrors

    By Toucan, November 29, 2019
    • 2 replies
    • 165 views
    • 
    • Ksarul
    • November 29, 2019

46. Windows utility to catalog .DSK files?

    By S1500, March 29, 2010
    • 2 replies
    • 1,681 views
    • 
    • Opry99er
    • March 30, 2010

47. Home Automation / Interfacing - Silly idea, but fun...

    By jedimatt42, August 14, 2018   

    • speech
    • 2 replies
    • 391 views
    • 
    • jonecool
    • August 15, 2018

48. What to do with these Zilog's..

    By Mehridian Sanders, December 22, 2019
    • 2 replies
    • 225 views
    • 
    • Mehridian Sanders
    • December 23, 2019

49. TMS9902 vs TMS9903

    By dhe, February 2, 2020
    • 2 replies
    • 171 views
    • 
    • Stuart
    • February 2, 2020

50. Adventure Editor Program Listing

    By Shift838, May 22, 2015
    • 2 replies
    • 477 views
    • 
    • Opry99er
    • May 22, 2015