TI-99/4A Computers

5,075 topics in this forum

1. does anyone know a TIer in the houston area?

   By Shift838, April 27, 2015
   • 2 replies
   • 450 views
   • 
   • Schmitzi
   • December 31, 2015

2. Does anyone know the pinout/schematic for the MBX joystick?

   By masschamber, May 26, 2020
   • 5 replies
   • 371 views
   • 
   • publicarni
   • June 6, 2020

3. Does anyone know the status of the internal power supply replacement.

   By Omega-TI, December 2, 2019
   • 0 replies
   • 153 views
   • 
   • Omega-TI
   • December 2, 2019

4. Does anyone really play the old BASIC games? 1 2

   By InfernalKeith, August 11, 2014
   • 30 replies
   • 1,837 views
   • 
   • RXB
   • August 15, 2014

5. Does anyone remember this RARE TI item?

   By Omega-TI, January 12, 2014
   • 8 replies
   • 910 views
   • 
   • Willsy
   • January 13, 2014

6. Does anyone sell a modern day ti99 power supply replacement?

   By seastalker, January 29, 2019
   • 6 replies
   • 1,146 views
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   • Airshack
   • January 29, 2019

7. Does Atarisoft Play On TI-99 4/A?

   By thegamezmaster, December 19, 2012
   • 19 replies
   • 2,276 views
   • 
   • eightbit
   • January 19, 2014

8. does it matter which way you plug in?

   By AtariNostalgia, August 6, 2020
   • 12 replies
   • 377 views
   • 
   • OLD CS1
   • August 10, 2020

9. does the 32k sidecar ram expansion for the ti99 add to the 16k ram already on board the computer?

   By xxx, January 23
   • 4 replies
   • 243 views
   • 
   • Airshack
   • January 24

10. Does the possibility exist to port CV games to the TI99?

    By eightbit, April 23, 2017
    • 8 replies
    • 835 views
    • 
    • JamesD
    • April 25, 2017

11. Does the TI99/4A have a "Drivewire" type of solution?

    By AtariLeaf, June 9, 2018
    • 6 replies
    • 463 views
    • 
    • iKarith
    • June 10, 2018

12. Does your PEB need a refresh!

    By FALCOR4, August 17, 2019   

    • peb modifications hardware
    • 21 replies
    • 775 views
    • 
    • Sinphaltimus
    • August 31, 2019

13. Doing an end-run around hardware design limitations.

    By Omega-TI, October 31, 2020
    • 3 replies
    • 179 views
    • 
    • Omega-TI
    • October 31, 2020

14. Domestic Source for EPROMs

    By atrax27407, July 11, 2014
    • 4 replies
    • 457 views
    • 
    • atrax27407
    • July 11, 2014

15. Texas Don´t mess with Texas - nominated

    By Schmitzi, March 27, 2018   

    • Texas
    • TI-99/4A
    • 1 reply
    • 656 views
    • 
    • Schmitzi
    • June 30, 2018

16. Don't Mess With Texas Demo on Flashrom 99

    By Vinnie D., August 31, 2018
    • 17 replies
    • 721 views
    • 
    • RXB
    • September 6, 2018

17. Don't overlook Vorticons Blog! His latest project is COOL!

    By Omega-TI, December 31, 2016
    • 1 reply
    • 349 views
    • 
    • Shift838
    • December 31, 2016

18. Donaldson Software?

    By GratedTopping, September 19, 2015
    • 12 replies
    • 1,200 views
    • 
    • GratedTopping
    • December 26, 2015

19. Donkey Kong

    By mozartpc27, January 6, 2019
    • 1 reply
    • 258 views
    • 
    • FDOS
    • January 8, 2019

20. Donor Cart

    By budz2355, September 5, 2019
    • 8 replies
    • 310 views
    • 
    • budz2355
    • September 7, 2019

21. DonPan on the Geneve 9640 1 2

    By Ksarul, February 1, 2015
    • 44 replies
    • 2,088 views
    • 
    • mdorman
    • February 7, 2015

22. DOO DADS AND DO-HICKIES

    By sparkdrummer, May 4, 2018
    • 13 replies
    • 714 views
    • 
    • Sinphaltimus
    • May 15, 2018

23. DOWNEAST 99'ERS

    By dhe, February 27
    • 0 replies
    • 113 views
    • 
    • dhe
    • February 27

24. Dragon's Lair 1 2 3 4 6

    By Tursi, December 17, 2018
    • 129 replies
    • 6,794 views
    • 
    • BuckoBrand
    • January 31, 2019

25. Dragon's Lair high-score contest live-stream at VCF-SE 7.0

    By OLD CS1, April 7, 2019
    • 20 replies
    • 932 views
    • 
    • OLD CS1
    • April 30, 2019

26. Dragon's Lair is sold out! 1 2 3 4 19

    By Tursi, January 31, 2019
    • 464 replies
    • 31,341 views
    • 
    • whoami999ster
    • April 10, 2020

27. Drawings (first or last)

    By Omega-TI, April 16, 2017
    • 6 replies
    • 544 views
    • 
    • Omega-TI
    • April 17, 2017

28. Dreaded dead screen and non stop beep

    By AtariNostalgia, November 12, 2020
    • 3 replies
    • 210 views
    • 
    • AtariNostalgia
    • November 14, 2020

29. Dreaming of Atari Age woke me up last night.

    By Omega-TI, June 14, 2016
    • 1 reply
    • 398 views
    • 
    • Tursi
    • June 16, 2016

30. Dreams & Wants of 2021

    By Omega-TI, October 13, 2020
    • 21 replies
    • 467 views
    • 
    • BillG
    • October 17, 2020

31. DREM FDD/HDD Emulator 1 2 3 4

    By 9640News, March 15, 2018
    • 81 replies
    • 3,939 views
    • 
    • arcadeshopper
    • February 26, 2020

32. Drive boxes, free

    By barry.peterson, June 22, 2019
    • 2 replies
    • 302 views
    • 
    • barry.peterson
    • June 26, 2019

33. Drive cleaning

    By Opry99er, November 23, 2015
    • 0 replies
    • 353 views
    • 
    • Opry99er
    • November 23, 2015

34. DriveSelect Board Pre-Order

    By Shift838, August 7, 2018
    • 12 replies
    • 724 views
    • 
    • Shift838
    • August 24, 2018

35. Droid99..what happened?

    By Mehridian Sanders, December 4, 2019
    • 8 replies
    • 926 views
    • 
    • wierd_w
    • December 7, 2019

36. Dropping a (TI related bomb) and running for the hills.

    By Omega-TI, February 1, 2020
    • 10 replies
    • 499 views
    • 
    • ti99iuc
    • February 2, 2020

37. DS990 Commercial Computer System - anyone has experience? 1 2

    By kl99, February 26, 2018   

    • DS990TI-990
    • Mini Computer
    • (and 7 more)

      Tagged with:

      • DS990TI-990
      • Mini Computer
      • DX10
      • TX990
      • TILINE
      • FD1000 Flexible Disk
      • EX990
      • TXDS
      • 990/4
    • 31 replies
    • 2,224 views
    • 
    • piero.a
    • May 4, 2020

38. DSHD Disks in the TI DSSD Drives

    By bholcomb007, May 29, 2015
    • 9 replies
    • 707 views
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    • OLD CS1
    • May 30, 2015

39. dsk2cd problem 1 2

    By PeBo, January 8, 2017   

    • nanoPEB
    • cf7
    • 26 replies
    • 1,553 views
    • 
    • helocast
    • February 22, 2017

40. dual power supplies

    By hloberg, May 26, 2016
    • 17 replies
    • 686 views
    • 
    • OLD CS1
    • May 28, 2016

41. Dubious Distinction

    By unhuman, December 4, 2020
    • 12 replies
    • 459 views
    • 
    • wierd_w
    • December 9, 2020

42. Dumb ideas for full 8k paged in cartridge mem

    By wierd_w, September 8, 2020
    • 5 replies
    • 241 views
    • 
    • Omega-TI
    • September 9, 2020

43. Dummy needs help: Search for file with module ROMs for V9T9

    By MueThor, August 1, 2019
    • 1 reply
    • 195 views
    • 
    • arcadeshopper
    • August 1, 2019

44. Dumping Cartidges with a Widget 1 2

    By Toucan, December 27, 2015
    • 34 replies
    • 1,822 views
    • 
    • arcadeshopper
    • January 7, 2016

45. dumping mbx carts

    By arcadeshopper, August 30, 2019
    • 13 replies
    • 568 views
    • 
    • tmop69
    • December 31, 2019

46. Dunno where to post this 4th stuff...

    By Omega-TI, August 17, 2015
    • 1 reply
    • 435 views
    • 
    • Lee Stewart
    • August 17, 2015

47. Dutch TI PDF - (HELP)

    By Omega-TI, March 23, 2014
    • 6 replies
    • 706 views
    • 
    • CantStopClicking
    • March 24, 2014

48. DV80 to XB program

    By atrax27407, November 30, 2019
    • 5 replies
    • 270 views
    • 
    • blackbox
    • November 30, 2019

49. E.T. in his adventures on land 1 2

    By OX., May 24, 2012
    • 25 replies
    • 2,026 views
    • 
    • Retrospect
    • May 31, 2014

50. E/A manual - Tombstone

    By tmatuc, July 31, 2018
    • 7 replies
    • 650 views
    • 
    • acadiel
    • August 2, 2018