TI-99/4A Development

2,574 topics in this forum

1. TI and the MiniPro TL866 EPROM Programmer 1 2 3 4 14

   By atrax27407, March 7, 2018
   • 332 replies
   • 30k views
   • 
   • dhe
   • January 13

2. TI-99/4A development resources 1 2 3 4 17

   By retroclouds, November 19, 2009   

   • ti-99/4a
   • forth
   • (and 10 more)

     Tagged with:

     • ti-99/4a
     • forth
     • extended basic
     • books
     • game development
     • emulators
     • vdp9918
     • tms9900
     • compilers
     • devres
     • dsr
     • rxb
   • 418 replies
   • 129.2k views
   • 
   • RickyDean
   • November 30, 2022

3. Geneve KVM switch 1 2

   By Shift838, January 20
   • 27 replies
   • 390 views
   • 
   • Shift838
   • 2 hours ago

4. Assembly on the 99/4A 1 2 3 4 62

   By matthew180, May 11, 2010
   • 1.5k replies
   • 98k views
   • 
   • TheBF
   • 3 hours ago

5. Geneve OS development discussion 1 2 3 4 18

   By InsaneMultitasker, January 10, 2021   

   • geneve
   • mdos
   • (and 1 more)

     Tagged with:

     • geneve
     • mdos
     • geneve os
   • 445 replies
   • 16k views
   • 
   • InsaneMultitasker
   • 7 hours ago

6. DO THE SAME -WIP 1 2

   By 1980gamer, January 11
   • 26 replies
   • 958 views
   • 
   • 1980gamer
   • 8 hours ago

7. TIPI - TI-99/4A to Raspberry PI interface development 1 2 3 4 60

   By jedimatt42, May 2, 2017
   • 1.5k replies
   • 81.9k views
   • 
   • jedimatt42
   • 8 hours ago

8. ChatGPT is all wrong for the TI-99

   By unhuman, January 1
   • 12 replies
   • 329 views
   • 
   • GDMike
   • 11 hours ago

9. Cosmic Hero! For RXB Rich Extended Basic 2022G

   By Retrospect, 16 hours ago
   • 13 replies
   • 145 views
   • 
   • Retrospect
   • 11 hours ago

10. TF, camel, FB Forth fun 1 2 3 4 6

    By GDMike, July 18, 2022
    • 135 replies
    • 2.2k views
    • 
    • GDMike
    • 11 hours ago

11. Optical illusions 1 2 3 4

    By sometimes99er, August 19, 2017   

    • xb
    • 81 replies
    • 5.8k views
    • 
    • PeteE
    • 13 hours ago

12. RXB - Rich Extended Basic 1 2 3 4 60

    By Bones-69, May 25, 2010
    • 1.5k replies
    • 95.4k views
    • 
    • Retrospect
    • 17 hours ago

13. TI-GROMmy, the system GROM replacement 1 2 3 4

    By speccery, September 13, 2022
    • 79 replies
    • 3.7k views
    • 
    • speccery
    • Yesterday at 02:35 AM

14. Introducing picocart - it works 1 2

    By speccery, December 22, 2022   

    • raspberry pi pico
    • multicart
    • (and 1 more)

      Tagged with:

      • raspberry pi pico
      • multicart
      • hardware
    • 25 replies
    • 939 views
    • 
    • speccery
    • Yesterday at 02:34 AM

15. 838-PEB 1 2 3 4

    By Shift838, August 2, 2021
    • 75 replies
    • 2.6k views
    • 
    • RXB
    • Friday at 04:45 PM

16. TI Mini Expansion System

    By Artoj, December 26, 2022   

    • pcb
    • ti99/4a
    • (and 1 more)

      Tagged with:

      • pcb
      • ti99/4a
      • expansion board
    • 19 replies
    • 917 views
    • 
    • Artoj
    • Wednesday at 04:55 AM

17. f18a 60 rows, 80 columns mode showing Stevie

    By retroclouds, Monday at 03:02 PM   

    • f18a
    • 60x80
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      • 60x80
      • stevie
      • tms9900
      • vdp
    • 4 replies
    • 158 views
    • 
    • retroclouds
    • Tuesday at 12:39 AM

18. Multicolor mode - the mode everybody wants 1 2 3 4 9

    By Asmusr, August 5, 2014   

    • multicolor mode
    • 222 replies
    • 11.9k views
    • 
    • InsaneMultitasker
    • Monday at 02:37 PM

19. XB Game Developers Package 1 2 3 4 39

    By senior_falcon, April 29, 2014
    • 964 replies
    • 55.3k views
    • 
    • OLD CS1
    • January 22

20. PAL/GAL Jedec map files for TI, Corcomp, Myarc 1 2 3

    By Fritz442, October 24, 2020   

    • pal
    • gal
    • (and 3 more)

      Tagged with:

      • pal
      • gal
      • jedec
      • map files
      • repository
    • 50 replies
    • 2.9k views
    • 
    • dhe
    • January 21

21. Sprite Collision Methods in TI Extended BASIC

    By zacharyfruhling, January 3
    • 16 replies
    • 544 views
    • 
    • unhuman
    • January 21

22. Camel99 Forth Information goes here 1 2 3 4 63

    By TheBF, January 3, 2018   

    • Camel99
    • Forth
    • (and 2 more)

      Tagged with:

      • Camel99
      • Forth
      • Concatentive Programming
      • ANS Forth
    • 1.6k replies
    • 56.7k views
    • 
    • TheBF
    • January 20

23. 504K MEMEX

    By Ksarul, June 20, 2022
    • 16 replies
    • 786 views
    • 
    • 9640News
    • January 20

24. The TI Basic Editor - possible tricks/hacks?

    By Retrospect, January 19
    • 7 replies
    • 169 views
    • 
    • RXB
    • January 19

25. AssemBASIC .. Learning assembly with the help of BASIC

    By SteveB, January 15
    • 11 replies
    • 341 views
    • 
    • apersson850
    • January 19

26. More "TI-99/4A Computers TI-99/4A Development"...ish channals/forums/treads... 1 2

    By oddemann, October 14, 2022
    • 31 replies
    • 681 views
    • 
    • Retrospect
    • January 18

27. Transylvania, a new version using TMS5220 synthetizer 1 2 3

    By jespol, September 20, 2012
    • 53 replies
    • 6.7k views
    • 
    • tr1k1
    • January 17

28. Restore - Data question

    By 1980gamer, January 16
    • 12 replies
    • 135 views
    • 
    • 1980gamer
    • January 16

29. F18A MK2 1 2 3 4 36

    By matthew180, June 27, 2018   

    • F18A
    • VDP
    • (and 1 more)

      Tagged with:

      • F18A
      • VDP
      • 9918A
    • 889 replies
    • 98.2k views
    • 
    • iiwii
    • January 16

30. Tips & Tricks for Optimizing Straight TI Extended BASIC Programs

    By zacharyfruhling, January 14
    • 4 replies
    • 197 views
    • 
    • oddemann
    • January 16

31. Magellan 1 2 3 4 28

    By The Codex, April 12, 2010
    • 682 replies
    • 62.4k views
    • 
    • SteveB
    • January 15

32. Options for Compiling a TI Extended BASIC Program

    By zacharyfruhling, January 12
    • 3 replies
    • 146 views
    • 
    • SteveB
    • January 14

33. Stevie Development Thread 1 2 3 4 8

    By retroclouds, December 22, 2018   

    • asm
    • f18a
    • (and 2 more)

      Tagged with:

      • asm
      • f18a
      • editor
      • tms9900
    • 175 replies
    • 11.6k views
    • 
    • retroclouds
    • January 8

34. Weirdle'99

    By InsaneMultitasker, January 8
    • 2 replies
    • 229 views
    • 
    • InsaneMultitasker
    • January 8

35. C Files, D Files and Memory Layout Help

    By llabnip, January 4
    • 22 replies
    • 353 views
    • 
    • Tursi
    • January 7

36. What if? Designing "Geneve 2020". Cool 3D views! 1 2 3 4 14

    By FarmerPotato, July 30, 2019
    • 332 replies
    • 18.3k views
    • 
    • FarmerPotato
    • January 7

37. RS-232 on TI BASIC or assembly

    By theincrediblepeep, January 7
    • 3 replies
    • 156 views
    • 
    • TheBF
    • January 7

38. Hell's Heart - In-Progress Intro Teaser - Sequel to Hell's Halls (TI Console BASIC, 16K, Cassette, TE2 Optional)

    By pixelpedant, January 2
    • 3 replies
    • 297 views
    • 
    • Vorticon
    • January 7

39. xdt99: New TI 99 cross-development tools available 1 2 3 4 23

    By ralphb, January 11, 2015
    • 559 replies
    • 38.5k views
    • 
    • ralphb
    • January 6

40. Merry Christmas! (a demo?) My first basic code since I was 11 years old

    By jorge-1987, January 4
    • 9 replies
    • 233 views
    • 
    • InsaneMultitasker
    • January 5

41. Tips for mixing assembly with XB 1 2 3 4

    By retrodroid, December 14, 2022
    • 96 replies
    • 2.1k views
    • 
    • retrodroid
    • January 4

42. Bank Switching 1 2

    By Sergioz82, January 1
    • 28 replies
    • 533 views
    • 
    • apersson850
    • January 4

43. Best Way(s) to Move a Game Character in TI BASIC (not Extended BASIC) without CALL CLEAR 1 2

    By zacharyfruhling, December 28, 2022
    • 42 replies
    • 965 views
    • 
    • jorge-1987
    • January 4

44. TI Basic memory

    By Bones-69, January 1
    • 15 replies
    • 282 views
    • 
    • MikeV
    • January 3

45. fbForth fbForth—TI Forth with File-based Block I/O [Post #1 UPDATED: 04/13/2021] 1 2 3 4 73

    By Lee Stewart, March 31, 2013   

    • fbforth
    • forth
    • (and 1 more)

      Tagged with:

      • fbforth
      • forth
      • ti forth
    • 1.8k replies
    • 95.5k views
    • 
    • atrax27407
    • January 2

46. Supernotes 1 2 3 4 56

    By GDMike, May 16, 2020
    • 1.4k replies
    • 40.3k views
    • 
    • GDMike
    • December 31, 2022

47. Amazing Graphics on a Pixel Budget

    By dhe, December 30, 2022
    • 0 replies
    • 136 views
    • 
    • dhe
    • December 30, 2022

48. The Gram Kracker mega thread 1 2 3 4 6

    By acadiel, February 12, 2018
    • 138 replies
    • 10.8k views
    • 
    • Ksarul
    • December 29, 2022

49. Operating System The TI-99/4A Operating System 1 2

    By Lee Stewart, March 13, 2016   

    • Operating System
    • Monitor
    • (and 4 more)

      Tagged with:

      • Operating System
      • Monitor
      • GPL Interpreter
      • KSCAN
      • ISR
      • XML Utilities
    • 31 replies
    • 5.1k views
    • 
    • FarmerPotato
    • December 28, 2022

50. TI(ny)-99/4A Computer 1 2 3 4 13

    By fabrice montupet, June 11, 2017
    • 314 replies
    • 34.5k views
    • 
    • Tuxon86
    • December 22, 2022