TI-99/4A Development

2,756 topics in this forum

1. New Scott Adams Adventure Sequels!

   By Shift838, November 4, 2016
   • 9 replies
   • 1.1k views
   • 
   • Schmitzi
   • November 8, 2016

2. Article on Plato

   By JonnyBritish, November 7, 2016
   • 0 replies
   • 551 views
   • 
   • JonnyBritish
   • November 7, 2016

3. Wiesbaden SuperModul II

   By Ksarul, October 31, 2016
   • 13 replies
   • 1.2k views
   • 
   • Ksarul
   • November 4, 2016

4. New XB Game: Wizard's Doom (In Progress) 1 2 3 4 5

   By adamantyr, June 6, 2016
   • 106 replies
   • 6.5k views
   • 
   • adamantyr
   • October 31, 2016

5. GPLLNK issue

   By Vorticon, October 12, 2016
   • 24 replies
   • 1.1k views
   • 
   • Gary from OPA
   • October 31, 2016

6. Development Screen shots or photos

   By Sinphaltimus, October 17, 2016
   • 4 replies
   • 789 views
   • 
   • slinkeey
   • October 31, 2016

7. Mr Chin 1 2 3 4 5

   By Tursi, August 31, 2013
   • 111 replies
   • 9.4k views
   • 
   • digress
   • October 17, 2016

8. Diep.99 abandoned

   By Asmusr, October 16, 2016
   • 6 replies
   • 725 views
   • 
   • mizapf
   • October 17, 2016

9. Harry Wilhelm's XB 2.0 Compiler, Newb Help Request

   By Airshack, August 30, 2016
   • 14 replies
   • 1.6k views
   • 
   • Airshack
   • October 15, 2016

10. Nonogram - game released 1 2 3 4 6

    By sometimes99er, April 1, 2011   

    • game
    • assembler
    • (and 1 more)

      Tagged with:

      • game
      • assembler
      • cartridge
    • 128 replies
    • 22.3k views
    • 
    • Ksarul
    • October 9, 2016

11. Code Name: Sector

    By Tursi, April 14, 2011
    • 15 replies
    • 4.5k views
    • 
    • Tursi
    • October 3, 2016

12. Voice Encoding and Playback (with NO speech synth)

    By Tursi, August 13, 2016
    • 12 replies
    • 1.5k views
    • 
    • mikiex
    • October 1, 2016

13. Anyone have a schematic for a DSR board?

    By jedimatt42, September 30, 2016
    • 6 replies
    • 690 views
    • 
    • jedimatt42
    • September 30, 2016

14. TI GCC and the Flash ROM

    By mindlord, August 2, 2016
    • 19 replies
    • 1.4k views
    • 
    • Tursi
    • September 30, 2016

15. Expanding Through the Joystick Port

    By Stuart, September 18, 2016
    • 19 replies
    • 1.9k views
    • 
    • Omega-TI
    • September 19, 2016

16. Thinking about something for the HxC Floppy Emulator

    By Sinphaltimus, August 26, 2016   

    • #Project
    • #Idea
    • (and 2 more)

      Tagged with:

      • #Project
      • #Idea
      • #gotek
      • #HxC
    • 7 replies
    • 1.2k views
    • 
    • Sinphaltimus
    • September 19, 2016

17. @ JEDIMATT - Question about your keyboard interface...

    By Omega-TI, September 16, 2016
    • 4 replies
    • 727 views
    • 
    • arcadeshopper
    • September 17, 2016

18. 19 Carrots of Gold 1 2 3

    By sometimes99er, September 1, 2016   

    • xb
    • demo
    • 52 replies
    • 4k views
    • 
    • sometimes99er
    • September 15, 2016

19. The 9900 address up to 65,536 bytes of memory 1 2

    By Sinphaltimus, September 4, 2016
    • 34 replies
    • 2k views
    • 
    • OLD CS1
    • September 10, 2016

20. XB256/Wilhelm Compiler News Question/Help!

    By Airshack, September 8, 2016
    • 0 replies
    • 441 views
    • 
    • Airshack
    • September 8, 2016

21. Half bitmap mode 1 2 3

    By Willsy, September 9, 2015
    • 59 replies
    • 4.8k views
    • 
    • Fredrik Öhrström
    • August 31, 2016

22. CALL SAY things

    By ralphb, August 30, 2016   

    • speech
    • 5 replies
    • 1.5k views
    • 
    • ralphb
    • August 30, 2016

23. New SHIFT838 Adventure Coming.. But What?

    By Shift838, June 17, 2016
    • 17 replies
    • 858 views
    • 
    • Opry99er
    • August 23, 2016

24. XB256 Musings & experiments 1 2

    By Retrospect, March 30, 2015
    • 40 replies
    • 2.6k views
    • 
    • Ksarul
    • August 22, 2016

25. TI Extended BASIC Logical operators in XB, vs mathematical operators in conditionals 1 2

    By OLD CS1, August 17, 2016   

    • TI Extended BASIC
    • XB
    • (and 1 more)

      Tagged with:

      • TI Extended BASIC
      • XB
      • IF-THEN
    • 27 replies
    • 1.9k views
    • 
    • OLD CS1
    • August 19, 2016

26. S.O.F.T.W.O.R.X BBS Possible Revive? Maybe!

    By Shift838, August 14, 2016
    • 6 replies
    • 681 views
    • 
    • Opry99er
    • August 18, 2016

27. Doncaster Racecourse & Agenda-99 games 1 2

    By Retrospect, August 5, 2016   

    • xb256
    • 31 replies
    • 2.7k views
    • 
    • Opry99er
    • August 16, 2016

28. Jedi Gauntlet 1 2 3 4 5

    By Opry99er, October 22, 2015
    • 102 replies
    • 6.7k views
    • 
    • Opry99er
    • August 5, 2016

29. Space Trek: TI-99/4a version 1 2 3 4 5

    By adamantyr, November 13, 2014   

    • TI-99/4a
    • Games
    • (and 1 more)

      Tagged with:

      • TI-99/4a
      • Games
      • Port
    • 101 replies
    • 9k views
    • 
    • Opry99er
    • August 5, 2016

30. Are there any alternatives to WinAsm99.exe Assembler on PC?

    By 4Andy, July 31, 2016   

    • WinAsm99
    • assembler
    • 16 replies
    • 1.3k views
    • 
    • Tursi
    • August 3, 2016

31. Side port breadboard adapter, like PI Cobler

    By jedimatt42, July 30, 2016
    • 9 replies
    • 1.4k views
    • 
    • jedimatt42
    • August 3, 2016

32. New TI basic game X-lander

    By tibasic, May 10, 2016
    • 16 replies
    • 1.6k views
    • 
    • tibasic
    • July 31, 2016

33. MBX Joystick Disassembly

    By gliptitude, July 17, 2016   

    • MBX Joystick
    • MBX
    • 0 replies
    • 591 views
    • 
    • gliptitude
    • July 17, 2016

34. TI-99/8 BIOS source code on EBAY?

    By retroclouds, July 4, 2016
    • 1 reply
    • 688 views
    • 
    • Ksarul
    • July 4, 2016

35. DSRLNK in Extended BASIC

    By adamantyr, June 28, 2016
    • 16 replies
    • 1k views
    • 
    • Ksarul
    • July 1, 2016

36. Impossible Mission 'possible' for TI?

    By TI-Til-I-DI, June 21, 2016   

    • Impossible Misson
    • 7 replies
    • 901 views
    • 
    • TI-Til-I-DI
    • June 23, 2016

37. Kind of OT: Great Deal on Make Electronics Books

    By 99er, June 20, 2016
    • 0 replies
    • 487 views
    • 
    • 99er
    • June 20, 2016

38. Gram Kracker / Gramulator / HsGpl File Headers

    By kl99, June 15, 2016   

    • Gram
    • File
    • (and 2 more)

      Tagged with:

      • Gram
      • File
      • Header
      • Specification
    • 9 replies
    • 1.3k views
    • 
    • mizapf
    • June 17, 2016

39. New game project: Jetpac 1 2 3 4 9

    By Vorticon, August 19, 2015
    • 211 replies
    • 16.1k views
    • 
    • metapraxis
    • June 6, 2016

40. Been a long time.. Put this together today.

    By 1980gamer, May 31, 2016
    • 5 replies
    • 743 views
    • 
    • sometimes99er
    • June 3, 2016

41. java compiler on Hack.a. day 1 2

    By Tursi, April 13, 2015
    • 31 replies
    • 2.6k views
    • 
    • Omega-TI
    • May 20, 2016

42. Mindlord built a little a few GCC doodads.

    By mindlord, May 7, 2016
    • 9 replies
    • 873 views
    • 
    • mindlord
    • May 17, 2016

43. Question about calls from BASIC

    By marc.hull, May 15, 2016
    • 2 replies
    • 624 views
    • 
    • marc.hull
    • May 15, 2016

44. MESS: Custom RPKs 1 2 3

    By RobertLM78, May 31, 2014   

    • MESS
    • carts
    • (and 1 more)

      Tagged with:

      • MESS
      • carts
      • rpk
    • 50 replies
    • 3.5k views
    • 
    • Tursi
    • May 3, 2016

45. Assembly: Changing origin with AORG multiple times in one file

    By orbitaldecay, May 1, 2016   

    • assembly
    • aorg
    • 6 replies
    • 914 views
    • 
    • orbitaldecay
    • May 2, 2016

46. A TurboForth patch to use different cart banks (demo cart link included)

    By ckoba, May 1, 2016
    • 4 replies
    • 724 views
    • 
    • ckoba
    • May 2, 2016

47. Scratch pad RAM usage

    By ralphb, April 15, 2016
    • 16 replies
    • 1.3k views
    • 
    • Lee Stewart
    • May 1, 2016

48. External VDP input?

    By cph1776, April 29, 2016
    • 2 replies
    • 612 views
    • 
    • Tursi
    • April 29, 2016

49. Pause or clearing VDP memory

    By sometimes99er, June 15, 2012
    • 9 replies
    • 1.2k views
    • 
    • Tursi
    • April 25, 2016

50. SPEECODER on Win99/4A

    By cph1776, April 16, 2016   

    • speech
    • synthesizer
    • (and 2 more)

      Tagged with:

      • speech
      • synthesizer
      • speecoder
      • frames
    • 17 replies
    • 2.1k views
    • 
    • cph1776
    • April 24, 2016