TI-99/4A Development

2,826 topics in this forum

1. Cherry MX compatible upgrade for Mitsumi 99/4A keyboards 1 2

   By visrealm, April 4   

   • keyboard
   • ti-99/4a
   • 48 replies
   • 2.3k views
   • 
   • visrealm
   • July 23

2. Classic99 flagged by antivirus?

   By theincrediblepeep, June 22
   • 12 replies
   • 423 views
   • 
   • GDMike
   • July 21

3. TI99/4a SuperCart Drawing

   By Old Engineer, June 29
   • 5 replies
   • 378 views
   • 
   • GDMike
   • July 21

4. Emulator test suite? 1 2 3

   By webdeck, February 22
   • 57 replies
   • 1.7k views
   • 
   • mizapf
   • July 20

5. Myarc HFDC hardware mods

   By Hans23, February 27, 2021
   • 14 replies
   • 874 views
   • 
   • Tator
   • July 16

6. Geneve - Stock memory (no 32K update) and booting

   By 9640News, July 16
   • 1 reply
   • 146 views
   • 
   • InsaneMultitasker
   • July 16

7. DuPAL and TI Workshop protected PAL16R4 1 2

   By acadiel, February 23, 2023
   • 28 replies
   • 1.4k views
   • 
   • Fritz442
   • July 13

8. Would anyone be interested in working on another mega demo? 1 2 3 4 6

   By Asmusr, May 8
   • 129 replies
   • 4.9k views
   • 
   • Tursi
   • July 12

9. Is there a way to convert a BIN file into several E/A 5 image files?

   By rgjt, July 9   

   • bin
   • image files
   • (and 2 more)

     Tagged with:

     • bin
     • image files
     • e/a option 5
     • fg99
   • 8 replies
   • 332 views
   • 
   • rgjt
   • July 11

10. Glorious People's small c compiler 1 2 3

    By dhe, December 3, 2021
    • 61 replies
    • 3.3k views
    • 
    • Gary from OPA
    • July 10

11. TI disk controller DSR 1 2

    By Vorticon, July 5
    • 28 replies
    • 766 views
    • 
    • Vorticon
    • July 10

12. BLWP?

    By Krool885, March 15
    • 20 replies
    • 812 views
    • 
    • FarmerPotato
    • July 4

13. 4Anoid - Arkanoid conversion for the TI-99/4A 1 2 3 4 6

    By OLD CS1, November 2, 2014
    • 134 replies
    • 10.4k views
    • 
    • polluks
    • July 4

14. SDD 99 1 2 3 4 9

    By ralphb, November 11, 2018   

    • PEB
    • SDD
    • 220 replies
    • 24.4k views
    • 
    • Vorticon
    • July 3

15. Supernotes 1 2 3 4 57

    By GDMike, May 16, 2020
    • 1.4k replies
    • 57.7k views
    • 
    • GDMike
    • July 3

16. Segment registers in gcc for 32-bit memory 1 2

    By MarkB, May 30
    • 29 replies
    • 1.2k views
    • 
    • adel314
    • July 1

17. Is there a EA5 to EA3 converter/editor ?

    By moije, June 25
    • 8 replies
    • 330 views
    • 
    • moije
    • June 30

18. Recovering bad cassette recordings

    By MarkB, June 16
    • 6 replies
    • 381 views
    • 
    • MarkB
    • June 29

19. Conversion of Z80 code to TMS9900 1 2 3 4

    By Asmusr, June 13, 2017
    • 86 replies
    • 8.4k views
    • 
    • MarkB
    • June 29

20. Source of fonts?

    By Vorticon, June 21
    • 11 replies
    • 423 views
    • 
    • 9640News
    • June 24

21. Revisiting the Original TI-99 Joysticks

    By dgrissom, July 21, 2022
    • 6 replies
    • 713 views
    • 
    • apersson850
    • June 21

22. Linux file and disk tools update

    By MarkB, June 11
    • 4 replies
    • 198 views
    • 
    • arcadeshopper
    • June 12

23. RND RND and RAND: Pseudorandom Number Generation by TI Basic

    By Lee Stewart, January 17, 2018   

    • rnd
    • rand
    • (and 3 more)

      Tagged with:

      • rnd
      • rand
      • pseudorandom
      • png
      • ti basic
    • 7 replies
    • 1.6k views
    • 
    • Artoj
    • June 12

24. How important is the TI footprint for a cartridge board?

    By Kchula-Rrit, June 7
    • 3 replies
    • 297 views
    • 
    • Kchula-Rrit
    • June 11

25. STILL TI

    By Victor, June 9
    • 3 replies
    • 285 views
    • 
    • Victor
    • June 9

26. Info and specs for the ICS 32K (after-market) Memory Expansion Card for the Texas Instruments PHP-1200

    By WCLegere, May 26   

    • memory expansion
    • ti-99/4a
    • (and 1 more)

      Tagged with:

      • memory expansion
      • ti-99/4a
      • php1200
    • 6 replies
    • 453 views
    • 
    • arcadeshopper
    • June 8

27. RELEASE: GIF 99 Viewer for V9938/58 Systems v1.05 by O.P.A. 1 2

    By Gary from OPA, May 1
    • 40 replies
    • 1.1k views
    • 
    • Gary from OPA
    • June 4

28. TI-Forth-to-fbForth-3.0

    By dhe, May 25
    • 22 replies
    • 642 views
    • 
    • GDMike
    • June 1

29. Lua for TI99 1 2

    By MarkB, May 26
    • 32 replies
    • 1.2k views
    • 
    • jedimatt42
    • May 31

30. XMLLNK call >2300 not available in Ext. Basic. Any alternatives? 1 2

    By jschultzpedersen, May 16
    • 25 replies
    • 933 views
    • 
    • jschultzpedersen
    • May 30

31. TI-99 DIY Sidecar?

    By LouisB, February 13, 2022
    • 14 replies
    • 1.3k views
    • 
    • Stuart
    • May 29

32. Boot and Menu development 1 2

    By InsaneMultitasker, February 18, 2020   

    • boot
    • menu
    • (and 1 more)

      Tagged with:

      • boot
      • menu
      • 9640 menu
    • 44 replies
    • 2.6k views
    • 
    • rgjt
    • May 22

33. Have you seen this video?

    By RXB, March 1   

    • 9958
    • msx
    • 19 replies
    • 1k views
    • 
    • Gary from OPA
    • May 22

34. Forth Source of Speech Education Module

    By FarmerPotato, May 13
    • 11 replies
    • 426 views
    • 
    • FarmerPotato
    • May 21

35. 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
    • 773 replies
    • 70.6k views
    • 
    • Tursi
    • May 21

36. Are CMOS RAMs noisy?

    By Nessus, May 20
    • 10 replies
    • 342 views
    • 
    • bent_pin
    • May 21

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

    By J-Data, March 26, 2020
    • 128 replies
    • 10.1k views
    • 
    • kneehighspy
    • May 21

38. Dynamic Memory Management Library for Assembly Language Programs

    By bjkrug, May 19   

    • assembly language
    • 0 replies
    • 164 views
    • 
    • bjkrug
    • May 19

39. TI/Kaal Assembler Out-of-Range" error...

    By Kchula-Rrit, May 16
    • 3 replies
    • 227 views
    • 
    • Kchula-Rrit
    • May 16

40. Playground 1 2 3 4 8

    By senior_falcon, November 22, 2013
    • 185 replies
    • 24.8k views
    • 
    • kommissar
    • May 15

41. RELEASE: Digi-Port (Audio-Byte) Sound Player v1.03 BETA by OPA & WHTech

    By Gary from OPA, May 9
    • 8 replies
    • 324 views
    • 
    • Gary from OPA
    • May 10

42. XB3 Cartridge EPROMs 1 2

    By adamantyr, April 27
    • 36 replies
    • 1.2k views
    • 
    • RXB
    • May 10

43. rnd XB PseudoRandom Number Generator Discussion—RND and RANDOMIZE...updated 09MAY2024

    By Lee Stewart, April 23   

    • prng
    • randomize
    • (and 1 more)

      Tagged with:

      • prng
      • randomize
      • xb
    • 23 replies
    • 965 views
    • 
    • Lee Stewart
    • May 10

44. F18A Karts demo 1 2

    By Asmusr, April 26
    • 39 replies
    • 1.4k views
    • 
    • Tursi
    • May 8

45. RELEASE: Saturday Night Bingo by 9T9 Assembly Sig

    By Gary from OPA, May 8
    • 5 replies
    • 385 views
    • 
    • Gary from OPA
    • May 8

46. Byte Magazine Sieve Benchmark 1 2 3 4 5

    By TheBF, April 22, 2022
    • 118 replies
    • 6.1k views
    • 
    • senior_falcon
    • May 8

47. Machine Forth OMG 1 2 3 4 7

    By TheBF, March 10, 2017   

    • FORTH
    • 150 replies
    • 11k views
    • 
    • TheBF
    • May 7

48. RXB - Rich Extended Basic 1 2 3 4 65

    By Bones-69, May 26, 2010
    • 1.6k replies
    • 127.5k views
    • 
    • senior_falcon
    • May 6

49. Restless II - game released 1 2 3 4 6

    By sometimes99er, October 17, 2011   

    • game
    • assembler
    • (and 1 more)

      Tagged with:

      • game
      • assembler
      • cartridge
    • 138 replies
    • 20.1k views
    • 
    • FarmerPotato
    • May 5

50. Can BASIC auto-run a startup program?

    By Kchula-Rrit, May 4
    • 5 replies
    • 283 views
    • 
    • Gary from OPA
    • May 4