TI-99/4A Development

2,754 topics in this forum

1. Sprite Rotation Algorithm

   By adamantyr, September 19, 2014
   • 22 replies
   • 2.4k views
   • 
   • Tursi
   • November 23, 2014

2. Editor/Assembler II problems solved

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

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

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

4. VDP scanline tricks 1 2 3

   By Asmusr, November 7, 2014
   • 56 replies
   • 4.7k views
   • 
   • artrag
   • November 17, 2014

5. Seek information on game cartridge making

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

6. Space Trek - Lost? 1 2

   By adamantyr, May 23, 2013   

   • ti-99/4a
   • BBS
   • 28 replies
   • 3.2k views
   • 
   • Ed in SoDak
   • November 12, 2014

7. New basic reaction test game - Press It!

   By CGrey, November 11, 2014   

   • ti99
   • game
   • 5 replies
   • 1.2k views
   • 
   • mizapf
   • November 11, 2014

8. Sending binary data to com1

   By sjt, November 8, 2014
   • 9 replies
   • 1.4k views
   • 
   • Tursi
   • November 11, 2014

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

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

10. MESS and Multi GROM port 1 2 3 4

    By RobertLM78, July 7, 2014
    • 91 replies
    • 4.2k views
    • 
    • mizapf
    • November 10, 2014

11. Using asm994a

    By senior_falcon, August 28, 2014
    • 23 replies
    • 3.2k views
    • 
    • senior_falcon
    • November 10, 2014

12. XB Puzzles

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

13. turboforth Confusion of the Forth Kind

    By Retrospect, November 2, 2014   

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

14. Implement a call stack by piling workspaces 1 2

    By JCCyC, September 23, 2014   

    • assembly
    • tms9900
    • 35 replies
    • 2.9k views
    • 
    • apersson850
    • November 1, 2014

15. TurboForth V1.2 Released 1 2 3

    By Willsy, October 31, 2013   

    • turboforth forth
    • 64 replies
    • 3.2k views
    • 
    • UKRetrogamer
    • October 29, 2014

16. Sound list programming

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

17. Two little games

    By Retrospect, October 20, 2014
    • 21 replies
    • 1.3k views
    • 
    • Retrospect
    • October 22, 2014

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

    By Omega-TI, September 16, 2014
    • 37 replies
    • 2.2k views
    • 
    • firepod
    • October 22, 2014

19. Panzer Strike

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

20. VDP 5 Sprite on a Line

    By Tursi, October 7, 2014
    • 9 replies
    • 1.1k views
    • 
    • artrag
    • October 9, 2014

21. New TI Game: Sneak peek 1 2 3

    By adamantyr, June 9, 2010
    • 62 replies
    • 4.5k views
    • 
    • adamantyr
    • October 9, 2014

22. XB loader 1 2

    By Asmusr, August 9, 2013
    • 41 replies
    • 3.2k views
    • 
    • Gazoo
    • October 7, 2014

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

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

24. Interactive Fiction Competition? 1 2 3 4 5

    By Vorticon, April 17, 2014
    • 111 replies
    • 6.3k views
    • 
    • Vorticon
    • October 2, 2014

25. Game conversions suitable for TI 1 2

    By am1933, March 20, 2014
    • 49 replies
    • 3.4k views
    • 
    • Omega-TI
    • September 29, 2014

26. VDP read/write timing

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

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

    By minivanmegafun, September 22, 2014
    • 14 replies
    • 926 views
    • 
    • minivanmegafun
    • September 27, 2014

28. Sprites versus bitmap pattern tables

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

29. Presenting RBERT - a game I did 30 years ago

    By jstimson, September 10, 2014
    • 20 replies
    • 1.7k views
    • 
    • jstimson
    • September 23, 2014

30. Speed Warz -- _____ -vs- _____ 1 2

    By Omega-TI, September 17, 2014
    • 48 replies
    • 2.5k views
    • 
    • senior_falcon
    • September 21, 2014

31. Creating XB Data Lines from HEX data 1 2

    By sjt, August 19, 2014
    • 35 replies
    • 1.9k views
    • 
    • sjt
    • September 17, 2014

32. MOD 2 TI?

    By Omega-TI, September 13, 2014
    • 3 replies
    • 714 views
    • 
    • Tursi
    • September 14, 2014

33. Hang Glider

    By Vorticon, September 10, 2014
    • 2 replies
    • 589 views
    • 
    • Omega-TI
    • September 12, 2014

34. Game updates

    By Retrospect, March 22, 2014
    • 5 replies
    • 811 views
    • 
    • Omega-TI
    • September 11, 2014

35. Save and Run an Extended Basic program from EA5 or ROM 1 2

    By Gazoo, August 16, 2014
    • 46 replies
    • 2.8k views
    • 
    • senior_falcon
    • September 9, 2014

36. Pgram Plus DSR source code

    By Gazoo, September 8, 2014
    • 0 replies
    • 520 views
    • 
    • Gazoo
    • September 8, 2014

37. Boot/Menu source

    By Gazoo, September 4, 2014
    • 3 replies
    • 702 views
    • 
    • InsaneMultitasker
    • September 5, 2014

38. GROM emulated v. real cartridge

    By hloberg, August 27, 2014   

    • grom
    • parsec
    • (and 1 more)

      Tagged with:

      • grom
      • parsec
      • cartridge
    • 16 replies
    • 1.9k views
    • 
    • RXB
    • August 30, 2014

39. Ti-99/4a equivalent to Coco's KickStart

    By UKRetrogamer, August 29, 2014
    • 3 replies
    • 703 views
    • 
    • Omega-TI
    • August 29, 2014

40. MG Explorer Manual Project

    By Willsy, August 28, 2014
    • 9 replies
    • 957 views
    • 
    • ti99iuc
    • August 29, 2014

41. TI Forth music demo – The Little fugue in G Minor

    By dphirschler, August 16, 2014
    • 3 replies
    • 566 views
    • 
    • dphirschler
    • August 24, 2014

42. Assembly sound player for XB

    By matthew180, February 23, 2010
    • 14 replies
    • 3.7k views
    • 
    • RXB
    • August 16, 2014

43. what good is the mini-memory for

    By hloberg, August 10, 2014   

    • assembler
    • mini-memory
    • (and 1 more)

      Tagged with:

      • assembler
      • mini-memory
      • cartridge
    • 15 replies
    • 2.3k views
    • 
    • Willsy
    • August 15, 2014

44. Rainy Day Game Contest (RDGC) 1 2 3

    By adamantyr, March 22, 2011
    • 71 replies
    • 6.1k views
    • 
    • HughNano
    • August 8, 2014

45. Destroyer - game in development 1 2 3 4 6

    By sometimes99er, December 9, 2009
    • 147 replies
    • 19.7k views
    • 
    • JonnyBritish
    • August 5, 2014

46. Extended BASIC 3

    By rocky007, February 2, 2011
    • 21 replies
    • 2.1k views
    • 
    • RXB
    • August 5, 2014

47. how to fix a bug (or tweak the program) in Legends 1.1

    By rpesq, July 26, 2014
    • 2 replies
    • 572 views
    • 
    • arcadeshopper
    • August 3, 2014

48. Optional variables in user written subprogram? 1 2

    By senior_falcon, July 30, 2014
    • 25 replies
    • 1.8k views
    • 
    • InsaneMultitasker
    • August 2, 2014

49. Flappy Bird Solid State Cartridges now available

    By arcadeshopper, July 22, 2014
    • 7 replies
    • 1k views
    • 
    • arcadeshopper
    • July 27, 2014

50. "Flappy Bird" on the C64... now for the TI! 1 2 3 4

    By OLD CS1, February 25, 2014   

    • flappy bird
    • 78 replies
    • 8.6k views
    • 
    • RobertLM78
    • July 22, 2014