TI-99/4A Development

2,823 topics in this forum

1. RAM ICs - Any use to anyone?

   By Stuart, January 18, 2020
   • 4 replies
   • 425 views
   • 
   • fabrice montupet
   • January 26, 2020

2. Assembly developers: Have you ever used RORG with address? 1 2

   By ralphb, January 17, 2020
   • 40 replies
   • 1.6k views
   • 
   • ralphb
   • January 25, 2020

3. Instruction Format X ? 10 ?

   By hhos, January 21, 2020   

   • instruction format
   • format x
   • (and 1 more)

     Tagged with:

     • instruction format
     • format x
     • opcode map
   • 14 replies
   • 718 views
   • 
   • hhos
   • January 24, 2020

4. TIPI XB Mouse Driver like Mechatronics Driver 1 2 3

   By jedimatt42, January 15, 2020
   • 50 replies
   • 2.2k views
   • 
   • arcadeshopper
   • January 22, 2020

5. File loading

   By 9640News, January 18, 2020
   • 2 replies
   • 369 views
   • 
   • 9640News
   • January 18, 2020

6. F18A 1 2 3 4 36

   By matthew180, September 8, 2010
   • 888 replies
   • 110.1k views
   • 
   • MikeV
   • January 16, 2020

7. Xeltek Rom Master 1992

   By Mehridian Sanders, January 13, 2020
   • 11 replies
   • 755 views
   • 
   • Mehridian Sanders
   • January 14, 2020

8. Reading disk catalog in assembly language

   By retroclouds, December 24, 2019
   • 16 replies
   • 1k views
   • 
   • RXB
   • January 13, 2020

9. Reading text from a file in XB

   By majestyx, January 2, 2020
   • 4 replies
   • 529 views
   • 
   • Ed in SoDak
   • January 3, 2020

10. History of GPL

    By Davvel, December 26, 2019   

    • ti 99/4a
    • gpl
    • (and 1 more)

      Tagged with:

      • ti 99/4a
      • gpl
      • history
    • 4 replies
    • 984 views
    • 
    • jedimatt42
    • December 31, 2019

11. Bouncy 1 2 3 4 6

    By Asmusr, August 13, 2015
    • 135 replies
    • 10.7k views
    • 
    • Asmusr
    • December 29, 2019

12. Diagnostic Envy!

    By dhe, December 27, 2019
    • 2 replies
    • 383 views
    • 
    • Ed in SoDak
    • December 28, 2019

13. What would you do with dual screens on a 99/4A? 1 2

    By FarmerPotato, May 20, 2019
    • 41 replies
    • 3k views
    • 
    • fabrice montupet
    • December 26, 2019

14. V9938 Programming

    By 9640News, December 24, 2019
    • 3 replies
    • 521 views
    • 
    • 9640News
    • December 24, 2019

15. F18A ROM-based Updater 1 2

    By Tursi, March 25, 2017
    • 43 replies
    • 4.4k views
    • 
    • Omega-TI
    • December 20, 2019

16. Commodore style code entry on TI99

    By jrhodes, September 28, 2019
    • 10 replies
    • 1.1k views
    • 
    • TheBF
    • December 18, 2019

17. TI-99 on Wii?

    By unhuman, January 19, 2013
    • 8 replies
    • 1.8k views
    • 
    • Myk
    • December 17, 2019

18. How would you do this?

    By Mehridian Sanders, December 11, 2019
    • 11 replies
    • 794 views
    • 
    • Mehridian Sanders
    • December 13, 2019

19. OS based on TI-99/4a

    By Mehridian Sanders, December 4, 2019
    • 12 replies
    • 757 views
    • 
    • wierd_w
    • December 9, 2019

20. Converting EA3 to SSS cart 1 2

    By tmop69, November 29, 2019
    • 28 replies
    • 2.3k views
    • 
    • tmop69
    • December 8, 2019

21. re-introduction and new game developments

    By Firefly, December 2, 2019
    • 4 replies
    • 614 views
    • 
    • Lee Stewart
    • December 3, 2019

22. HEXBUS command codes

    By pnr, November 21, 2019
    • 14 replies
    • 1.3k views
    • 
    • wierd_w
    • November 29, 2019

23. XB Game Dev Pkg "hello" help

    By jwild, November 26, 2019
    • 6 replies
    • 645 views
    • 
    • TheBF
    • November 28, 2019

24. TI Scramble - Scramble clone 1 2 3 4 9

    By Asmusr, August 27, 2013
    • 214 replies
    • 27.7k views
    • 
    • AW127
    • November 25, 2019

25. Miner 2049er questions

    By reklen, November 11, 2019
    • 11 replies
    • 1.4k views
    • 
    • iliketurtles
    • November 24, 2019

26. TIPI EA5 FTP client

    By jedimatt42, October 28, 2019
    • 5 replies
    • 853 views
    • 
    • 9640News
    • November 21, 2019

27. F'WEB Source

    By atrax27407, November 13, 2019
    • 7 replies
    • 563 views
    • 
    • FarmerPotato
    • November 18, 2019

28. Some questions on the 9900

    By cbmeeks, November 8, 2019
    • 20 replies
    • 1.7k views
    • 
    • apersson850
    • November 17, 2019

29. new game Necco Factory wip

    By 1980gamer, July 6, 2018
    • 17 replies
    • 1.8k views
    • 
    • Ksarul
    • November 8, 2019

30. Trying to generate some TI99 speech 1 2 3 4

    By patrick99e99, November 4, 2013   

    • speech
    • ti99
    • (and 1 more)

      Tagged with:

      • speech
      • ti99
      • QBoxPro
    • 97 replies
    • 15.9k views
    • 
    • helocast
    • November 7, 2019

31. Compiled BASICs using labels?

    By cbmeeks, May 10, 2019
    • 17 replies
    • 1.4k views
    • 
    • Opry99er
    • November 5, 2019

32. Dan O'Quinn's Turbo Pasc 99 Tutorial

    By dhe, October 30, 2019
    • 9 replies
    • 719 views
    • 
    • apersson850
    • November 4, 2019

33. cc-40 / TI-74 1 2

    By dhe, October 7, 2019
    • 26 replies
    • 2k views
    • 
    • wierd_w
    • November 2, 2019

34. reading/writing floppy sectors from Basic

    By mitchpb, October 21, 2019
    • 22 replies
    • 1.2k views
    • 
    • dhe
    • October 31, 2019

35. TI-99/2 on a FPGA available

    By pnr, October 28, 2019   

    • ti-99/2
    • fpga
    • 14 replies
    • 2.1k views
    • 
    • pnr
    • October 30, 2019

36. Compare with Zero, ASSEMBLER

    By moulinaie, October 24, 2019
    • 10 replies
    • 817 views
    • 
    • moulinaie
    • October 27, 2019

37. Debugging the 4A with MAME

    By jedimatt42, October 24, 2019
    • 4 replies
    • 799 views
    • 
    • mizapf
    • October 25, 2019

38. Problem with Direct From Disk and Classic99 [SOLVED]

    By moulinaie, October 24, 2019
    • 6 replies
    • 619 views
    • 
    • moulinaie
    • October 25, 2019

39. Printer and CF7

    By moulinaie, October 20, 2019
    • 12 replies
    • 716 views
    • 
    • moulinaie
    • October 22, 2019

40. PDS Sports [CC-40]

    By dhe, October 19, 2019
    • 5 replies
    • 418 views
    • 
    • Ksarul
    • October 22, 2019

41. 10 Liner BASIC/XB contest VOTING POLL 1 2

    By Vorticon, August 1, 2019
    • 28 replies
    • 2.8k views
    • 
    • TheMole
    • October 11, 2019

42. TI Disk Controller DSR dissassembly?

    By retroclouds, October 5, 2019   

    • dsr
    • disk controller
    • 19 replies
    • 1.3k views
    • 
    • Tursi
    • October 9, 2019

43. Can I bypass the RF modulator?

    By boxpressed, March 27, 2012
    • 13 replies
    • 4.4k views
    • 
    • bretthorror
    • October 9, 2019

44. Parsec 2: the Dramite League

    By FarmerPotato, July 23, 2019
    • 4 replies
    • 747 views
    • 
    • wierd_w
    • October 8, 2019

45. Scrolling with the F18A

    By cbmeeks, October 8, 2019
    • 1 reply
    • 353 views
    • 
    • FarmerPotato
    • October 8, 2019

46. 99/2 difference between 24K en 32K versions

    By pnr, October 4, 2019
    • 4 replies
    • 535 views
    • 
    • mizapf
    • October 5, 2019

47. Changing the Colors in TIMXT

    By atrax27407, October 3, 2019
    • 0 replies
    • 311 views
    • 
    • atrax27407
    • October 3, 2019

48. Geneve GROM emulation

    By mizapf, September 23, 2019
    • 15 replies
    • 1k views
    • 
    • FarmerPotato
    • September 27, 2019

49. Genmod questions

    By mizapf, September 24, 2019
    • 1 reply
    • 433 views
    • 
    • 9640News
    • September 24, 2019

50. XB256

    By senior_falcon, September 23, 2019
    • 0 replies
    • 458 views
    • 
    • senior_falcon
    • September 23, 2019