TI-99/4A Development

2,824 topics in this forum

1. How about a Debugger tutorial?

   By Gazoo, February 8, 2015
   • 13 replies
   • 1.1k views
   • 
   • mizapf
   • February 16, 2015

2. Using xdt99 & Programming Sprites in Mini Memory tutorial from 99ner mag

   By palmheads, January 31, 2015
   • 0 replies
   • 677 views
   • 
   • palmheads
   • January 31, 2015

3. GK Image to Supercart

   By acadiel, January 30, 2015
   • 5 replies
   • 892 views
   • 
   • Schmitzi
   • January 31, 2015

4. Creating memory image files that use entire lower 8K RAM

   By adamantyr, January 20, 2015
   • 18 replies
   • 1.3k views
   • 
   • Lee Stewart
   • January 23, 2015

5. First person shooter on the TI? :) 1 2 3 4 5

   By Bones-69, April 12, 2013
   • 112 replies
   • 9.8k views
   • 
   • OLD CS1
   • January 20, 2015

6. Using the TMS9901 as a timer

   By retroclouds, December 14, 2014   

   • TMS9901
   • game loop
   • (and 1 more)

     Tagged with:

     • TMS9901
     • game loop
     • event timer
   • 18 replies
   • 1.7k views
   • 
   • apersson850
   • January 12, 2015

7. WinAsm99 Assembler COPY directive limitations

   By OLD CS1, January 4, 2015
   • 10 replies
   • 1.2k views
   • 
   • Tursi
   • January 5, 2015

8. CALL LOAD question

   By acadiel, December 31, 2014
   • 3 replies
   • 1.1k views
   • 
   • Lee Stewart
   • January 1, 2015

9. EA Cart/GROM

   By acadiel, December 19, 2014   

   • wanted
   • 19 replies
   • 1.8k views
   • 
   • UKRetrogamer
   • December 31, 2014

10. Small assembly language demo

    By retroclouds, December 28, 2014   

    • speech
    • tms9900
    • (and 2 more)

      Tagged with:

      • speech
      • tms9900
      • spectra2
      • 8K ROM
    • 18 replies
    • 2k views
    • 
    • retroclouds
    • December 30, 2014

11. Dark Star

    By sometimes99er, May 17, 2012
    • 16 replies
    • 2.1k views
    • 
    • atrax27407
    • December 29, 2014

12. Keyboard double-tapping

    By xjas, December 28, 2014
    • 4 replies
    • 995 views
    • 
    • Willsy
    • December 28, 2014

13. Linking loader for PC

    By Asmusr, September 5, 2014
    • 10 replies
    • 1.4k views
    • 
    • retroclouds
    • December 26, 2014

14. Classic99 CPU bug? 1 2

    By Torrax, January 8, 2013
    • 41 replies
    • 2.5k views
    • 
    • Tursi
    • December 17, 2014

15. Thierry Nouspikel's TI-99-4A Tech Pages 1 2

    By Lee Stewart, December 9, 2014
    • 25 replies
    • 2.4k views
    • 
    • mizapf
    • December 16, 2014

16. Territory - new XB game in progress

    By InfernalKeith, September 1, 2014
    • 17 replies
    • 1.2k views
    • 
    • OLD CS1
    • December 16, 2014

17. Writing to the NanoPEB Serial Port in Assembler

    By Stuart, December 14, 2014
    • 6 replies
    • 741 views
    • 
    • mizapf
    • December 14, 2014

18. IV254

    By senior_falcon, December 7, 2014
    • 23 replies
    • 1.8k views
    • 
    • senior_falcon
    • December 14, 2014

19. SPECTRA2 development thread 1 2 3 4 5

    By retroclouds, August 14, 2010
    • 109 replies
    • 11.3k views
    • 
    • retroclouds
    • December 14, 2014

20. Compression conundrums

    By TheMole, December 9, 2014   

    • Alex Kidd
    • compression
    • 8 replies
    • 1.3k views
    • 
    • TheMole
    • December 10, 2014

21. Microadventures

    By orion1052003, December 8, 2014   

    • microadventures ti xb ti basi
    • 3 replies
    • 827 views
    • 
    • senior_falcon
    • December 8, 2014

22. Raspberry Pi as a potential interface to other devices

    By DrawsACircle, November 26, 2014
    • 5 replies
    • 1.1k views
    • 
    • Vorticon
    • November 26, 2014

23. Sprite Rotation Algorithm

    By adamantyr, September 19, 2014
    • 22 replies
    • 2.5k views
    • 
    • Tursi
    • November 23, 2014

24. Editor/Assembler II problems solved

    By Imperious, September 7, 2014
    • 8 replies
    • 1.1k views
    • 
    • RXB
    • November 19, 2014

25. asm900 assembler & ti-99/4a output

    By palmheads, November 17, 2014
    • 2 replies
    • 794 views
    • 
    • retroclouds
    • November 18, 2014

26. VDP scanline tricks 1 2 3

    By Asmusr, November 7, 2014
    • 56 replies
    • 5.1k views
    • 
    • artrag
    • November 17, 2014

27. Seek information on game cartridge making

    By Wildstar, November 16, 2014
    • 10 replies
    • 988 views
    • 
    • Wildstar
    • November 16, 2014

28. Space Trek - Lost? 1 2

    By adamantyr, May 23, 2013   

    • ti-99/4a
    • BBS
    • 28 replies
    • 3.3k views
    • 
    • Ed in SoDak
    • November 12, 2014

29. New basic reaction test game - Press It!

    By CGrey, November 11, 2014   

    • ti99
    • game
    • 5 replies
    • 1.3k views
    • 
    • mizapf
    • November 11, 2014

30. Sending binary data to com1

    By sjt, November 8, 2014
    • 9 replies
    • 1.5k views
    • 
    • Tursi
    • November 11, 2014

31. FLI-ish and similar tricks with F18A.....

    By Wildstar, November 10, 2014
    • 2 replies
    • 723 views
    • 
    • Tursi
    • November 10, 2014

32. MESS and Multi GROM port 1 2 3 4

    By RobertLM78, July 7, 2014
    • 91 replies
    • 4.4k views
    • 
    • mizapf
    • November 10, 2014

33. Using asm994a

    By senior_falcon, August 28, 2014
    • 23 replies
    • 3.5k views
    • 
    • senior_falcon
    • November 10, 2014

34. XB Puzzles

    By Gazoo, November 8, 2014
    • 1 reply
    • 593 views
    • 
    • sometimes99er
    • November 8, 2014

35. turboforth Confusion of the Forth Kind

    By Retrospect, November 2, 2014   

    • turboforth
    • 7 replies
    • 973 views
    • 
    • Willsy
    • November 3, 2014

36. Implement a call stack by piling workspaces 1 2

    By JCCyC, September 23, 2014   

    • assembly
    • tms9900
    • 35 replies
    • 3.1k views
    • 
    • apersson850
    • November 1, 2014

37. TurboForth V1.2 Released 1 2 3

    By Willsy, October 31, 2013   

    • turboforth forth
    • 64 replies
    • 3.4k views
    • 
    • UKRetrogamer
    • October 29, 2014

38. Sound list programming

    By OLD CS1, October 22, 2014
    • 8 replies
    • 1.1k views
    • 
    • Asmusr
    • October 23, 2014

39. Two little games

    By Retrospect, October 20, 2014
    • 21 replies
    • 1.5k views
    • 
    • Retrospect
    • October 22, 2014

40. Programming Assistance from a TI- Guru Needed 1 2

    By Omega-TI, September 16, 2014
    • 37 replies
    • 2.3k views
    • 
    • firepod
    • October 22, 2014

41. Panzer Strike

    By Vorticon, October 13, 2014
    • 0 replies
    • 480 views
    • 
    • Vorticon
    • October 13, 2014

42. VDP 5 Sprite on a Line

    By Tursi, October 7, 2014
    • 9 replies
    • 1.2k views
    • 
    • artrag
    • October 9, 2014

43. New TI Game: Sneak peek 1 2 3

    By adamantyr, June 9, 2010
    • 62 replies
    • 4.7k views
    • 
    • adamantyr
    • October 9, 2014

44. XB loader 1 2

    By Asmusr, August 9, 2013
    • 41 replies
    • 3.4k views
    • 
    • Gazoo
    • October 7, 2014

45. Cart slot question: CRU and DSR's?

    By gregallenwarner, October 3, 2014
    • 15 replies
    • 961 views
    • 
    • RXB
    • October 5, 2014

46. Interactive Fiction Competition? 1 2 3 4 5

    By Vorticon, April 17, 2014
    • 111 replies
    • 6.8k views
    • 
    • Vorticon
    • October 2, 2014

47. Game conversions suitable for TI 1 2

    By am1933, March 20, 2014
    • 49 replies
    • 3.5k views
    • 
    • Omega-TI
    • September 29, 2014

48. VDP read/write timing

    By Asmusr, September 26, 2014
    • 8 replies
    • 924 views
    • 
    • Willsy
    • September 27, 2014

49. Getting a BASIC program in ASCII from my computer into MESS

    By minivanmegafun, September 22, 2014
    • 14 replies
    • 1k views
    • 
    • minivanmegafun
    • September 27, 2014

50. Sprites versus bitmap pattern tables

    By OLD CS1, September 26, 2014
    • 3 replies
    • 640 views
    • 
    • OLD CS1
    • September 26, 2014