TI-99/4A Development

2,667 topics in this forum

1. BASIC on PI PICO

   By RXB, May 2, 2022
   • 2 replies
   • 299 views
   • 
   • Shift838
   • May 4, 2022

2. 838 - IO Card (Flex Interface card replacement!) 1 2 3 4

   By Shift838, August 13, 2021
   • 96 replies
   • 4.7k views
   • 
   • MikeV
   • April 27, 2022

3. Need some C Help.

   By dhe, April 14, 2022
   • 8 replies
   • 391 views
   • 
   • dhe
   • April 26, 2022

4. Is the file limit of 127 for all disk types? 1 2

   By majestyx, February 21, 2020
   • 37 replies
   • 1.4k views
   • 
   • RXB
   • April 21, 2022

5. Trying to read the directory file.....

   By dhe, June 15, 2021
   • 11 replies
   • 575 views
   • 
   • apersson850
   • April 19, 2022

6. GIF Source Code - Need Help to convert to Geneve and/or SAMS usage

   By 9640News, April 12, 2022
   • 10 replies
   • 375 views
   • 
   • apersson850
   • April 19, 2022

7. Compiling TML XB programs

   By ruthven, April 4, 2022
   • 9 replies
   • 492 views
   • 
   • senior_falcon
   • April 10, 2022

8. Tutorial: Arrays in Forth 1 2

   By Willsy, October 14, 2017
   • 44 replies
   • 2.7k views
   • 
   • FarmerPotato
   • April 9, 2022

9. File question 1 2

   By Vorticon, April 5, 2022
   • 32 replies
   • 859 views
   • 
   • apersson850
   • April 8, 2022

10. PLANES - A TI Logo Sprite Demo

    By pixelpedant, April 3, 2022
    • 10 replies
    • 669 views
    • 
    • Ksarul
    • April 4, 2022

11. Timer Recommendations

    By dhe, April 1, 2022
    • 6 replies
    • 333 views
    • 
    • TheBF
    • April 2, 2022

12. Mechatronics GramKarte

    By 9640News, March 31, 2022
    • 1 reply
    • 200 views
    • 
    • mizapf
    • March 31, 2022

13. Foxit - in progress 1 2 3 4 21

    By GDMike, July 18, 2021
    • 503 replies
    • 12.8k views
    • 
    • GDMike
    • March 28, 2022

14. MiniMemory Loader Bug

    By senior_falcon, March 24, 2022
    • 20 replies
    • 696 views
    • 
    • FarmerPotato
    • March 27, 2022

15. TI-99 Infocom Interpreter Dev 1 2 3 4 5

    By InsaneMultitasker, September 3, 2020
    • 112 replies
    • 5.2k views
    • 
    • Elia Spallanzani fdt
    • March 26, 2022

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

    By dhe, December 3, 2021
    • 59 replies
    • 2.4k views
    • 
    • dhe
    • March 22, 2022

17. Calling 3D Modelers

    By Mehridian Sanders, July 29, 2020
    • 16 replies
    • 886 views
    • 
    • unhuman
    • March 21, 2022

18. Memory Test Routine Code needed

    By 9640News, March 13, 2022
    • 5 replies
    • 416 views
    • 
    • 9640News
    • March 13, 2022

19. Using Module Creator 2.0 with Extended Basic programs

    By jschultzpedersen, March 11, 2022
    • 2 replies
    • 293 views
    • 
    • jschultzpedersen
    • March 12, 2022

20. Wanted Replacement PAL Chip CorComp FDC 1985 rev A U12 1 2

    By TI998owner, February 27, 2019   

    • Pal Chip U12 PLS153AN
    • 43 replies
    • 2.6k views
    • 
    • InsaneMultitasker
    • March 9, 2022

21. P-Box INTA, SENILA, SENILB. What the heck?

    By FarmerPotato, March 7, 2022
    • 16 replies
    • 517 views
    • 
    • F.G. Kaal
    • March 9, 2022

22. Question about PEB/floppy controller

    By Appeelicious, March 8, 2022
    • 4 replies
    • 291 views
    • 
    • Appeelicious
    • March 8, 2022

23. Bad Apple Demo?

    By pixelpedant, February 20, 2022
    • 17 replies
    • 878 views
    • 
    • Tursi
    • March 7, 2022

24. 838-SPEECH In Development

    By Shift838, February 25, 2022
    • 22 replies
    • 845 views
    • 
    • Shift838
    • March 5, 2022

25. Create Cart from compiled XB?

    By SteveB, January 1, 2021
    • 8 replies
    • 708 views
    • 
    • Eduu
    • March 4, 2022

26. 99/4A Servicing Manual?

    By matthew180, January 21, 2022
    • 15 replies
    • 878 views
    • 
    • acadiel
    • March 2, 2022

27. expansion port breakout board

    By jchase1970, February 21, 2022
    • 7 replies
    • 368 views
    • 
    • Shift838
    • February 26, 2022

28. GAL/PAL Creation

    By dhe, February 24, 2022
    • 3 replies
    • 309 views
    • 
    • Shift838
    • February 25, 2022

29. PCB Ordering for TI-99 Prototyping 1 2

    By Shift838, December 7, 2021
    • 29 replies
    • 1.2k views
    • 
    • Shift838
    • February 25, 2022

30. TMS9900 is the coolest CPU for multi-tasking 1 2

    By TheBF, May 18, 2017
    • 36 replies
    • 3.9k views
    • 
    • apersson850
    • February 25, 2022

31. Linux-like OS for the TI 1 2

    By insomnia, September 1, 2018
    • 46 replies
    • 3.4k views
    • 
    • FarmerPotato
    • February 25, 2022

32. Can an MCU drive the TI's cartridge port?

    By Willsy, February 18, 2022
    • 6 replies
    • 363 views
    • 
    • speccery
    • February 19, 2022

33. Imagine a 32-bit 9900 1 2

    By FarmerPotato, February 11, 2022
    • 40 replies
    • 1k views
    • 
    • FarmerPotato
    • February 16, 2022

34. TI-99 DIY Sidecar?

    By LouisB, February 13, 2022
    • 3 replies
    • 527 views
    • 
    • LouisB
    • February 16, 2022

35. OoeyGUI v4.0 Released! 1 2 3 4 6

    By Shift838, November 23, 2020
    • 130 replies
    • 6.8k views
    • 
    • dgrissom
    • February 15, 2022

36. Workfile management in Pascal

    By apersson850, February 11, 2022   

    • pascal
    • p-system
    • 0 replies
    • 165 views
    • 
    • apersson850
    • February 11, 2022

37. Interpretation of LPC

    By Willsy, November 11, 2013
    • 6 replies
    • 1k views
    • 
    • FarmerPotato
    • February 11, 2022

38. UCSD Pascal disk/file format 1 2

    By retroclouds, January 21, 2022
    • 38 replies
    • 1.1k views
    • 
    • apersson850
    • February 11, 2022

39. EA5 Program Loader

    By airernie, February 10, 2022   

    • ti-99/4a
    • assembly programming
    • 5 replies
    • 381 views
    • 
    • airernie
    • February 10, 2022

40. Forth Fun: SNAKE!

    By Willsy, February 6, 2022
    • 3 replies
    • 422 views
    • 
    • TheBF
    • February 6, 2022

41. Juwel Opcode Error Loop when compiling

    By Evad97, February 5, 2022
    • 2 replies
    • 214 views
    • 
    • Evad97
    • February 6, 2022

42. gemini protocol browser: VIRGIL99 1 2 3

    By jedimatt42, October 25, 2021
    • 53 replies
    • 3.3k views
    • 
    • jedimatt42
    • February 5, 2022

43. Jewel, XB256 and Stack Space

    By SteveB, February 2, 2022
    • 3 replies
    • 271 views
    • 
    • Lee Stewart
    • February 4, 2022

44. KSCAN questions

    By retroclouds, January 6, 2022   

    • kscan
    • 17 replies
    • 566 views
    • 
    • apersson850
    • January 31, 2022

45. Object file format details?

    By TheBF, May 4, 2017
    • 22 replies
    • 1.5k views
    • 
    • FarmerPotato
    • January 28, 2022

46. Fortran99 Challenge 1 2 3 4 5

    By dhe, March 23, 2020
    • 120 replies
    • 6.3k views
    • 
    • Vorticon
    • January 27, 2022

47. What DSR File/device names are used for I/O?

    By Kchula-Rrit, June 6, 2020
    • 22 replies
    • 874 views
    • 
    • TheBF
    • January 27, 2022

48. XB color table access in assembly

    By Vorticon, January 23, 2022   

    • extended basic
    • xb
    • (and 2 more)

      Tagged with:

      • extended basic
      • xb
      • assembly
      • color
    • 7 replies
    • 433 views
    • 
    • GDMike
    • January 25, 2022

49. 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
    • 103 replies
    • 5.9k views
    • 
    • Ex-TI
    • January 24, 2022

50. Help with XB256 game 1 2

    By Sergioz82, December 30, 2021
    • 30 replies
    • 1.2k views
    • 
    • 1980gamer
    • January 23, 2022