TI-99/4A Development

2,753 topics in this forum

1. BLWP?

   By Krool885, March 15
   • 12 replies
   • 341 views
   • 
   • apersson850
   • March 20

2. Ghostbusters - Development Diary 1 2 3 4 11

   By TheMole, June 12, 2023
   • 263 replies
   • 11.4k views
   • 
   • TheMole
   • March 19

3. The TMS9900 Cheat-Sheet 1 2

   By SteveB, January 7
   • 27 replies
   • 1.1k views
   • 
   • TheBF
   • March 19

4. RXB SAMS ONLY

   By RXB, March 8
   • 20 replies
   • 359 views
   • 
   • RXB
   • March 18

5. Making & Programming & Assembling new UberGROM Cartridges and 64k Cartridges Images 1 2

   By Gary from OPA, March 7
   • 41 replies
   • 753 views
   • 
   • Ksarul
   • March 18

6. Free HiMem after compiling XB?

   By SteveB, March 8
   • 6 replies
   • 257 views
   • 
   • SteveB
   • March 16

7. AVPC with GSB-8200 for RGBS to VGA

   By Gary from OPA, February 25
   • 17 replies
   • 469 views
   • 
   • Gary from OPA
   • March 12

8. F18A programming, info, and resources 1 2 3 4 31

   By matthew180, January 14, 2013   

   • f18a
   • fpga
   • (and 8 more)

     Tagged with:

     • f18a
     • fpga
     • vdp
     • 9918a
     • 9928
     • video
     • hardware
     • mods
     • upgrade
     • updates
   • 760 replies
   • 63.2k views
   • 
   • Tursi
   • March 11

9. Mini Memory assembler WAV file?

   By Krool885, March 10
   • 2 replies
   • 125 views
   • 
   • Krool885
   • March 10

10. My ROM/RAM Cartridge Idea

    By Kchula-Rrit, February 28   

    • cartridge
    • 19 replies
    • 419 views
    • 
    • Kchula-Rrit
    • March 9

11. VGM Compression Tool 1 2 3 4 9

    By Tursi, May 16, 2014
    • 220 replies
    • 15.7k views
    • 
    • Tursi
    • March 9

12. How long would the following instructions take? 1 2

    By Willsy, June 15, 2011
    • 37 replies
    • 2.9k views
    • 
    • TheBF
    • March 8

13. Physics model for car

    By Asmusr, March 7
    • 10 replies
    • 266 views
    • 
    • Asmusr
    • March 8

14. TIPI in a Speech Synthesizer Housing? 1 2 3 4 6

    By J-Data, March 26, 2020
    • 126 replies
    • 8.7k views
    • 
    • OLD CS1
    • March 7

15. TF, camel, FB Forth fun 1 2 3 4 9

    By GDMike, July 18, 2022
    • 206 replies
    • 6k views
    • 
    • Lee Stewart
    • March 5

16. Have you seen this video?

    By RXB, March 1   

    • 9958
    • msx
    • 15 replies
    • 522 views
    • 
    • matthew180
    • March 4

17. XB Game Developers Package 1 2 3 4 42

    By senior_falcon, April 30, 2014
    • 1k replies
    • 69k views
    • 
    • Cheung
    • March 4

18. 29 year old bug

    By webdeck, February 8
    • 19 replies
    • 677 views
    • 
    • DuaneAL
    • March 1

19. Finished (probably) version of our first TI game!

    By Krool885, February 28
    • 11 replies
    • 387 views
    • 
    • PeteE
    • February 29

20. xbii Research on Myarc Extended Basic II 1 2

    By retroclouds, June 28, 2020   

    • myarc
    • memexp1
    • (and 4 more)

      Tagged with:

      • myarc
      • memexp1
      • sams
      • hrd4000b
      • 99/8
      • armadillo basic
    • 47 replies
    • 2.1k views
    • 
    • atrax27407
    • February 27

21. Emulator test suite?

    By webdeck, February 22
    • 21 replies
    • 460 views
    • 
    • webdeck
    • February 27

22. Crashing the TI BASIC interpreter 1 2

    By Eric Lafortune, June 26, 2022
    • 28 replies
    • 1.2k views
    • 
    • Fredrik Öhrström
    • February 26

23. TI-99 OS Development 1 2

    By Gip-Gip, May 16, 2017
    • 40 replies
    • 3.6k views
    • 
    • acadiel
    • February 26

24. SOB (Son Of Board) GROM0, 1 and 2 1 2 3 4

    By RXB, February 19
    • 83 replies
    • 1.3k views
    • 
    • Gary from OPA
    • February 25

25. Porting paged TI games to the Geneve 1 2

    By mizapf, May 27, 2022
    • 48 replies
    • 1.9k views
    • 
    • InsaneMultitasker
    • February 25

26. Cosmic Shootout

    By Retrospect, February 19
    • 7 replies
    • 488 views
    • 
    • Retrospect
    • February 25

27. Dodge City

    By Retrospect, February 24
    • 2 replies
    • 271 views
    • 
    • Retrospect
    • February 25

28. Making a Will o' Wisp in bitmap mode 1 2

    By Sergioz82, March 19, 2023
    • 35 replies
    • 1.8k views
    • 
    • Sergioz82
    • February 23

29. Death Forest

    By Retrospect, February 11
    • 24 replies
    • 843 views
    • 
    • Retrospect
    • February 22

30. Emulated Hunt the Wumpus - weird keyboard issue

    By webdeck, February 19
    • 3 replies
    • 181 views
    • 
    • khanivore
    • February 21

31. Linux FUSE driver for sector dump DSK files

    By khanivore, February 5
    • 23 replies
    • 343 views
    • 
    • khanivore
    • February 20

32. TurboForth booting with odd error

    By Pixel_Outlaw, February 12
    • 7 replies
    • 159 views
    • 
    • GDMike
    • February 19

33. Extended BASIC G.E.M. 1 2 3 4 31

    By senior_falcon, December 30, 2019
    • 763 replies
    • 47.8k views
    • 
    • RXB
    • February 18

34. Reading Data from Cartridge 1 2

    By Cheung, February 16   

    • grom bank
    • 26 replies
    • 629 views
    • 
    • Cheung
    • February 18

35. APESoft Expanded Basic routines

    By awesp, June 26, 2013
    • 22 replies
    • 1.6k views
    • 
    • gferluga
    • February 18

36. Geneve TI program compatibility issues GPL mode

    By arcadeshopper, February 13
    • 9 replies
    • 238 views
    • 
    • hloberg
    • February 16

37. Some questions on oddities I've encountered while playing with this emulator...

    By webdeck, February 11
    • 10 replies
    • 274 views
    • 
    • webdeck
    • February 15

38. Can anyone get this Assembly code to work? 1 2

    By Retrospect, February 13
    • 27 replies
    • 683 views
    • 
    • Tursi
    • February 15

39. Musings on 99000 macro code 1 2 3 4 5

    By pnr, January 13, 2018   

    • 99000
    • ti990/12
    • (and 1 more)

      Tagged with:

      • 99000
      • ti990/12
      • macro code
    • 122 replies
    • 7.4k views
    • 
    • FarmerPotato
    • February 14

40. Solved: Error assembling after XB Compiler

    By AlexJ, February 13
    • 4 replies
    • 146 views
    • 
    • Retrospect
    • February 13

41. 504K MEMEX

    By Ksarul, June 20, 2022
    • 18 replies
    • 1.3k views
    • 
    • Ksarul
    • February 13

42. Platform 3

    By Asmusr, March 6, 2020
    • 17 replies
    • 1.7k views
    • 
    • Serafini Lapo
    • February 10

43. Linux-like OS for the TI 1 2

    By insomnia, September 1, 2018
    • 48 replies
    • 3.9k views
    • 
    • Gary from OPA
    • February 10

44. Stevie Development Thread 1 2 3 4 9

    By retroclouds, December 22, 2018   

    • asm
    • f18a
    • (and 2 more)

      Tagged with:

      • asm
      • f18a
      • editor
      • tms9900
    • 204 replies
    • 16.3k views
    • 
    • retroclouds
    • February 4

45. large files 1 2 3 4 5

    By mrvan, January 3
    • 109 replies
    • 2.4k views
    • 
    • mrvan
    • February 2

46. Idea: new Mini Memory cartridge

    By FarmerPotato, January 29
    • 7 replies
    • 379 views
    • 
    • retrodroid
    • January 30

47. Mini Memory "Ground Force Zero" game 1 2

    By Retrospect, January 28
    • 26 replies
    • 555 views
    • 
    • RXB
    • January 29

48. T40XB forgets previous GOSUB when calling PRINT of multiple lines

    By AlexJ, January 28
    • 5 replies
    • 151 views
    • 
    • AlexJ
    • January 28

49. 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
    • 73 replies
    • 5.4k views
    • 
    • Fritz442
    • January 24

50. Tang 20K and the Geneve

    By RickyDean, December 5, 2023
    • 21 replies
    • 649 views
    • 
    • RickyDean
    • January 22