TI-99/4A Development

2,573 topics in this forum

1. Using Module Creator 2.0 with Extended Basic programs

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

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

   By TI998owner, February 27, 2019   

   • Pal Chip U12 PLS153AN
   • 43 replies
   • 2.3k views
   • 
   • InsaneMultitasker
   • March 9, 2022

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

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

4. Question about PEB/floppy controller

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

5. Bad Apple Demo?

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

6. 838-SPEECH In Development

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

7. Create Cart from compiled XB?

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

8. 99/4A Servicing Manual?

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

9. expansion port breakout board

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

10. GAL/PAL Creation

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

11. PCB Ordering for TI-99 Prototyping 1 2

    By Shift838, December 7, 2021
    • 29 replies
    • 1k views
    • 
    • Shift838
    • February 25, 2022

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

    By TheBF, May 18, 2017
    • 36 replies
    • 3.7k views
    • 
    • apersson850
    • February 25, 2022

13. Linux-like OS for the TI 1 2

    By insomnia, September 1, 2018
    • 46 replies
    • 3.2k views
    • 
    • FarmerPotato
    • February 25, 2022

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

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

15. Imagine a 32-bit 9900 1 2

    By FarmerPotato, February 11, 2022
    • 40 replies
    • 963 views
    • 
    • FarmerPotato
    • February 16, 2022

16. Knight Lore 1 2 3

    By Asmusr, July 20, 2017
    • 63 replies
    • 7.6k views
    • 
    • Ksarul
    • February 16, 2022

17. TI-99 DIY Sidecar?

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

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

    By Shift838, November 23, 2020
    • 130 replies
    • 6k views
    • 
    • dgrissom
    • February 15, 2022

19. DX10 Home Computer Software Development System 1 2 3 4

    By jbdigriz, June 29, 2020   

    • ti-99/4
    • ti-99/4a
    • (and 7 more)

      Tagged with:

      • ti-99/4
      • ti-99/4a
      • sds
      • gpl
      • assembler
      • debugger
      • simulator
      • emulator
      • dx10
    • 79 replies
    • 4.8k views
    • 
    • jbdigriz
    • February 14, 2022

20. Workfile management in Pascal

    By apersson850, February 11, 2022   

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

21. Interpretation of LPC

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

22. UCSD Pascal disk/file format 1 2

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

23. EA5 Program Loader

    By airernie, February 10, 2022   

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

24. Forth Fun: SNAKE!

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

25. Juwel Opcode Error Loop when compiling

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

26. gemini protocol browser: VIRGIL99 1 2 3

    By jedimatt42, October 25, 2021
    • 53 replies
    • 2.7k views
    • 
    • jedimatt42
    • February 5, 2022

27. Jewel, XB256 and Stack Space

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

28. Differences between TI floppy formats

    By OLD CS1, August 1, 2011
    • 10 replies
    • 912 views
    • 
    • Schmitzi
    • February 4, 2022

29. KSCAN questions

    By retroclouds, January 6, 2022   

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

30. Object file format details?

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

31. Fortran99 Challenge 1 2 3 4 5

    By dhe, March 23, 2020
    • 120 replies
    • 5.9k views
    • 
    • Vorticon
    • January 27, 2022

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

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

33. 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
    • 369 views
    • 
    • GDMike
    • January 25, 2022

34. 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
    • 5.5k views
    • 
    • Ex-TI
    • January 24, 2022

35. Help with XB256 game 1 2

    By Sergioz82, December 30, 2021
    • 30 replies
    • 1.1k views
    • 
    • 1980gamer
    • January 23, 2022

36. Code library management in Pascal

    By apersson850, January 19, 2022   

    • pascal
    • p-system
    • 4 replies
    • 260 views
    • 
    • apersson850
    • January 22, 2022

37. MyBasic 4.05 Docs-Program-Src 1 2

    By 9640News, February 11, 2021
    • 41 replies
    • 1.5k views
    • 
    • InsaneMultitasker
    • January 22, 2022

38. Assembler / Linker for TI-99/4A, SAMS & F18 idea

    By 9640News, January 20, 2022
    • 1 reply
    • 189 views
    • 
    • retroclouds
    • January 21, 2022

39. More fun with LPC XB and Assembly AKA Teaching a boy to fish

    By Antharian, January 19, 2022
    • 14 replies
    • 459 views
    • 
    • Antharian
    • January 20, 2022

40. SAMS card reference documentation 1 2

    By Vorticon, January 14, 2022
    • 26 replies
    • 815 views
    • 
    • jedimatt42
    • January 19, 2022

41. Program memory management in Pascal

    By apersson850, January 19, 2022   

    • pascal
    • p-system
    • 1 reply
    • 175 views
    • 
    • apersson850
    • January 19, 2022

42. Data memory management in Pascal

    By apersson850, January 18, 2022   

    • pascal
    • p-system
    • 7 replies
    • 210 views
    • 
    • apersson850
    • January 19, 2022

43. Do we have the Rave99 speech adapter PAL equations? 1 2

    By jedimatt42, April 11, 2021
    • 26 replies
    • 1.2k views
    • 
    • Fritz442
    • January 17, 2022

44. Possibly the dumbest programming question ever

    By eebuckeye, January 8, 2022
    • 20 replies
    • 493 views
    • 
    • apersson850
    • January 13, 2022

45. RXB2021 for the HSGPL Card

    By atrax27407, January 12, 2022
    • 0 replies
    • 202 views
    • 
    • atrax27407
    • January 12, 2022

46. TI Sea of thieves!

    By oddemann, January 8, 2022
    • 24 replies
    • 539 views
    • 
    • oddemann
    • January 11, 2022

47. Boolean functions in TI BASIC

    By ralphb, January 2, 2022   

    • notreally
    • 8 replies
    • 372 views
    • 
    • apersson850
    • January 10, 2022

48. Challange 2022!

    By oddemann, January 4, 2022
    • 5 replies
    • 357 views
    • 
    • pixelpedant
    • January 6, 2022

49. Programming Challenge Competition 1 2 3 4

    By Vorticon, June 30, 2021
    • 77 replies
    • 3k views
    • 
    • BLASTERS
    • January 4, 2022

50. Memory Expansion Case

    By Nelno, January 3, 2022
    • 4 replies
    • 374 views
    • 
    • broettger
    • January 4, 2022