TI-99/4A Development

2,666 topics in this forum

1. autoboot issue in turboforth 1 2

   By jschultzpedersen, March 24
   • 38 replies
   • 904 views
   • 
   • TheBF
   • April 13

2. Porting TI-99/4a software to Geneve 9640

   By retroclouds, April 9   

   • geneve
   • stevie
   • 15 replies
   • 381 views
   • 
   • 9640News
   • April 12

3. In search of the TI Assembler source code

   By FALCOR4, April 5   

   • assembler
   • code
   • (and 1 more)

     Tagged with:

     • assembler
     • code
     • source
   • 19 replies
   • 785 views
   • 
   • SteveB
   • April 12

4. TI-99/4A Hi-Tek Keyboard Replacement 1 2

   By Nelno, April 27, 2021
   • 30 replies
   • 3.9k views
   • 
   • dhe
   • April 11

5. Strange Assembly Problem

   By Reciprocating Bill, April 2
   • 14 replies
   • 461 views
   • 
   • RickyDean
   • April 9

6. Foray - XB compiled game idea 1 2

   By Bones-69, March 24
   • 30 replies
   • 1k views
   • 
   • ti99iuc
   • April 7

7. The FinalGROM 99 1 2 3 4 31

   By ralphb, January 10, 2017
   • 768 replies
   • 75.9k views
   • 
   • YannAros
   • April 6

8. RUN COMMAND where "program name" is a string in XB -- EG: RUN A$

   By fablug, March 26
   • 9 replies
   • 256 views
   • 
   • senior_falcon
   • April 5

9. MEGA MENU for TIPI 1 2

   By wolhess, April 7, 2019   

   • tipi
   • rxb
   • (and 4 more)

     Tagged with:

     • tipi
     • rxb
     • xb
     • xb256
     • compiled xb
     • xb2.9
   • 31 replies
   • 3.2k views
   • 
   • wolhess
   • April 4

10. Raphael 1 2

    By Asmusr, November 27, 2020
    • 29 replies
    • 1.6k views
    • 
    • SteveB
    • April 3

11. MAME artwork for the TI computers.

    By Retrospect, April 3
    • 3 replies
    • 182 views
    • 
    • Retrospect
    • April 3

12. Extended Basic and bitmap 1 2

    By Vorticon, September 24, 2021
    • 34 replies
    • 1.5k views
    • 
    • Vorticon
    • April 1

13. Assembly on the 99/4A 1 2 3 4 69

    By matthew180, May 12, 2010
    • 1.7k replies
    • 112.2k views
    • 
    • Vorticon
    • March 31

14. Cattle Battle! New TI game. 1 2

    By Retrospect, March 15
    • 37 replies
    • 1.1k views
    • 
    • RickyDean
    • March 31

15. Seeking a MacOS ou MS-windows TI file editor 1 2

    By fabrice montupet, February 24
    • 49 replies
    • 965 views
    • 
    • HOME AUTOMATION
    • March 30

16. Where on the Earth is Lucia Cupertino?

    By TiTom, February 9
    • 6 replies
    • 532 views
    • 
    • TiTom
    • March 24

17. Text viewer for TI99 1 2

    By fablug, March 14
    • 40 replies
    • 880 views
    • 
    • fablug
    • March 21

18. Robozone 2099

    By Retrospect, March 20
    • 10 replies
    • 413 views
    • 
    • Retrospect
    • March 21

19. Adventure Cartridge 80 column development and GPL 1 2 3 4

    By InsaneMultitasker, May 6, 2018   

    • scott adams adventure 80 column
    • 97 replies
    • 6.6k views
    • 
    • InsaneMultitasker
    • March 20

20. XB Combat Competition: Predict the winner!

    By Vorticon, March 19   

    • xb
    • competition
    • (and 1 more)

      Tagged with:

      • xb
      • competition
      • programming
    • 0 replies
    • 105 views
    • 
    • Vorticon
    • March 19

21. XB speed test. Trying to work out fastest XB Compiler speed. Interesting result!

    By Bones-69, March 18
    • 11 replies
    • 293 views
    • 
    • senior_falcon
    • March 19

22. ABASIC for Geneve 9640 - MDOS Development Thread

    By 9640News, March 5   

    • abasic
    • geneve
    • (and 1 more)

      Tagged with:

      • abasic
      • geneve
      • mdos
    • 24 replies
    • 674 views
    • 
    • Casey
    • March 18

23. Schooner - a forth project 1 2 3

    By Retrospect, March 13   

    • forth
    • camel99
    • 54 replies
    • 812 views
    • 
    • TheBF
    • March 17

24. Development idea of a new TRACE

    By fabrice montupet, March 14
    • 21 replies
    • 520 views
    • 
    • fabrice montupet
    • March 16

25. fbforth Speech in fbForth 2.x

    By Lee Stewart, February 28   

    • forth
    • speech
    • 11 replies
    • 332 views
    • 
    • Tursi
    • March 14

26. Editor assembler package

    By Appeelicious, February 20
    • 20 replies
    • 472 views
    • 
    • mizapf
    • March 13

27. Radix-100 Utility and Library

    By SteveB, March 12
    • 0 replies
    • 117 views
    • 
    • SteveB
    • March 12

28. Morg Blaster Cartridge 1 2

    By Retrospect, February 11
    • 45 replies
    • 1.3k views
    • 
    • TheBF
    • March 11

29. Temporary Variables, John Wayne, and Keanu f**king reeves 1 2 3 4

    By Retrospect, March 8
    • 82 replies
    • 1.7k views
    • 
    • GDMike
    • March 11

30. Pretty pattern 1 2

    By Vorticon, February 21   

    • graphics
    • extended basic
    • (and 1 more)

      Tagged with:

      • graphics
      • extended basic
      • basic
    • 39 replies
    • 804 views
    • 
    • whoami999ster
    • March 11

31. Machine Forth OMG 1 2 3 4 6

    By TheBF, March 10, 2017   

    • FORTH
    • 145 replies
    • 8.1k views
    • 
    • TheBF
    • March 9

32. AVARIS II cart image release

    By Retrospect, February 24
    • 18 replies
    • 847 views
    • 
    • Retrospect
    • March 7

33. Geneve KVM switch 1 2

    By Shift838, January 21
    • 38 replies
    • 1k views
    • 
    • Shift838
    • March 6

34. Weirdle'99

    By InsaneMultitasker, January 8
    • 4 replies
    • 401 views
    • 
    • TheBF
    • March 6

35. Harry Wilhelm BASIC Compiler support for named subroutines?

    By mrvan, February 27
    • 20 replies
    • 396 views
    • 
    • mrvan
    • March 5

36. Multicolor mode - the mode everybody wants 1 2 3 4 10

    By Asmusr, August 5, 2014   

    • multicolor mode
    • 229 replies
    • 14.9k views
    • 
    • senior_falcon
    • March 4

37. Tricky XB Commands .. need a timer. 1 2

    By Retrospect, March 2
    • 34 replies
    • 636 views
    • 
    • fabrice montupet
    • March 4

38. Rewrite of XB ROMs

    By RXB, March 3
    • 8 replies
    • 245 views
    • 
    • RXB
    • March 3

39. Bouncy's obstacle course 1 2 3 4

    By Asmusr, February 8, 2019
    • 95 replies
    • 7.3k views
    • 
    • retrodroid
    • March 2

40. Low Memory Loading Woes 1 2

    By Cheung, February 5   

    • low memory ti99 xb xb256
    • 36 replies
    • 825 views
    • 
    • Retrospect
    • March 1

41. DuPAL and TI Workshop protected PAL16R4

    By acadiel, February 23
    • 24 replies
    • 530 views
    • 
    • dhe
    • February 28

42. Burn out.

    By Retrospect, February 27
    • 17 replies
    • 454 views
    • 
    • OLD CS1
    • February 28

43. "ANUBIS" ... a new side-scrolling shooter 1 2 3 4 7

    By Retrospect, February 5
    • 155 replies
    • 3.6k views
    • 
    • Retrospect
    • February 27

44. Earth Versus the Flying Saucers

    By Retrospect, February 10
    • 15 replies
    • 610 views
    • 
    • Retrospect
    • February 26

45. ChatGPT is all wrong for the TI-99 1 2

    By unhuman, January 1
    • 25 replies
    • 871 views
    • 
    • GDMike
    • February 24

46. Marathon demo

    By Asmusr, February 22
    • 6 replies
    • 358 views
    • 
    • Asmusr
    • February 23

47. F18A PEB card?

    By retroclouds, February 19
    • 15 replies
    • 463 views
    • 
    • Tursi
    • February 21

48. Falcon MK X BB

    By oddemann, February 20   

    • extended basic
    • game
    • 3 replies
    • 257 views
    • 
    • SteveB
    • February 20

49. TI 99/4A interfacing 1 2 3 4 10

    By Vorticon, April 22, 2015
    • 226 replies
    • 18.4k views
    • 
    • Vorticon
    • February 20

50. f18a 60 rows, 80 columns mode showing Stevie

    By retroclouds, January 23   

    • f18a
    • 60x80
    • (and 3 more)

      Tagged with:

      • f18a
      • 60x80
      • stevie
      • tms9900
      • vdp
    • 5 replies
    • 350 views
    • 
    • matthew180
    • February 19