TI-99/4A Development

2,513 topics in this forum

1. Tutorial: Arrays in Forth 1 2

   By Willsy, October 14, 2017
   • 44 replies
   • 2.2k views
   • 
   • FarmerPotato
   • April 9

2. File question 1 2

   By Vorticon, April 5
   • 32 replies
   • 746 views
   • 
   • apersson850
   • April 8

3. PLANES - A TI Logo Sprite Demo

   By pixelpedant, April 3
   • 10 replies
   • 456 views
   • 
   • Ksarul
   • April 4

4. Stevie Development Thread 1 2 3 4 7

   By retroclouds, December 22, 2018   

   • asm
   • f18a
   • (and 2 more)

     Tagged with:

     • asm
     • f18a
     • editor
     • tms9900
   • 171 replies
   • 10.7k views
   • 
   • retroclouds
   • April 3

5. Timer Recommendations

   By dhe, April 1
   • 6 replies
   • 244 views
   • 
   • TheBF
   • April 2

6. Mechatronics GramKarte

   By 9640News, March 31
   • 1 reply
   • 159 views
   • 
   • mizapf
   • March 31

7. Foxit - in progress 1 2 3 4 21

   By GDMike, July 18, 2021
   • 503 replies
   • 10.7k views
   • 
   • GDMike
   • March 28

8. MiniMemory Loader Bug

   By senior_falcon, March 24
   • 20 replies
   • 531 views
   • 
   • FarmerPotato
   • March 27

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

   By InsaneMultitasker, September 3, 2020
   • 112 replies
   • 4.5k views
   • 
   • Elia Spallanzani fdt
   • March 26

10. TIPI in a Speech Synthesizer Housing? 1 2 3 4 5

    By J-Data, March 26, 2020
    • 101 replies
    • 5.1k views
    • 
    • Shift838
    • March 25

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

    By dhe, December 3, 2021
    • 59 replies
    • 2.1k views
    • 
    • dhe
    • March 22

12. Calling 3D Modelers

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

13. Memory Test Routine Code needed

    By 9640News, March 13
    • 5 replies
    • 280 views
    • 
    • 9640News
    • March 13

14. Using Module Creator 2.0 with Extended Basic programs

    By jschultzpedersen, March 11
    • 2 replies
    • 217 views
    • 
    • jschultzpedersen
    • March 12

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

    By TI998owner, February 27, 2019   

    • Pal Chip U12 PLS153AN
    • 43 replies
    • 2.2k views
    • 
    • InsaneMultitasker
    • March 9

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

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

17. Question about PEB/floppy controller

    By Appeelicious, March 8
    • 4 replies
    • 221 views
    • 
    • Appeelicious
    • March 8

18. Bad Apple Demo?

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

19. 838-SPEECH In Development

    By Shift838, February 25
    • 22 replies
    • 672 views
    • 
    • Shift838
    • March 5

20. Create Cart from compiled XB?

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

21. 99/4A Servicing Manual?

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

22. expansion port breakout board

    By jchase1970, February 21
    • 7 replies
    • 307 views
    • 
    • Shift838
    • February 26

23. GAL/PAL Creation

    By dhe, February 24
    • 3 replies
    • 263 views
    • 
    • Shift838
    • February 25

24. PCB Ordering for TI-99 Prototyping 1 2

    By Shift838, December 7, 2021
    • 29 replies
    • 965 views
    • 
    • Shift838
    • February 25

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

    By TheBF, May 18, 2017
    • 36 replies
    • 3.6k views
    • 
    • apersson850
    • February 25

26. Linux-like OS for the TI 1 2

    By insomnia, September 1, 2018
    • 46 replies
    • 3.1k views
    • 
    • FarmerPotato
    • February 25

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

    By Willsy, February 18
    • 6 replies
    • 317 views
    • 
    • speccery
    • February 19

28. TI99/4A Motherboard Replacement (In Progress) 1 2 3 4 5

    By rkrenicki, March 7, 2021
    • 105 replies
    • 7.2k views
    • 
    • rkrenicki
    • February 19

29. Imagine a 32-bit 9900 1 2

    By FarmerPotato, February 11
    • 40 replies
    • 921 views
    • 
    • FarmerPotato
    • February 16

30. Knight Lore 1 2 3

    By Asmusr, July 20, 2017
    • 63 replies
    • 7.3k views
    • 
    • Ksarul
    • February 16

31. TI-99 DIY Sidecar?

    By LouisB, February 13
    • 3 replies
    • 375 views
    • 
    • LouisB
    • February 16

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

    By Shift838, November 23, 2020
    • 130 replies
    • 5.5k views
    • 
    • dgrissom
    • February 15

33. 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
    • 4.3k views
    • 
    • jbdigriz
    • February 14

34. Workfile management in Pascal

    By apersson850, February 11   

    • pascal
    • p-system
    • 0 replies
    • 128 views
    • 
    • apersson850
    • February 11

35. Interpretation of LPC

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

36. UCSD Pascal disk/file format 1 2

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

37. EA5 Program Loader

    By airernie, February 10   

    • ti-99/4a
    • assembly programming
    • 5 replies
    • 257 views
    • 
    • airernie
    • February 10

38. Forth Fun: SNAKE!

    By Willsy, February 6
    • 3 replies
    • 335 views
    • 
    • TheBF
    • February 6

39. Juwel Opcode Error Loop when compiling

    By Evad97, February 5
    • 2 replies
    • 173 views
    • 
    • Evad97
    • February 6

40. gemini protocol browser: VIRGIL99 1 2 3

    By jedimatt42, October 25, 2021
    • 53 replies
    • 2.3k views
    • 
    • jedimatt42
    • February 5

41. Jewel, XB256 and Stack Space

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

42. Differences between TI floppy formats

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

43. KSCAN questions

    By retroclouds, January 6   

    • kscan
    • 17 replies
    • 493 views
    • 
    • apersson850
    • January 31

44. Object file format details?

    By TheBF, May 4, 2017
    • 22 replies
    • 1.4k views
    • 
    • FarmerPotato
    • January 28

45. Fortran99 Challenge 1 2 3 4 5

    By dhe, March 23, 2020
    • 120 replies
    • 5.7k views
    • 
    • Vorticon
    • January 27

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

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

47. XB color table access in assembly

    By Vorticon, January 23   

    • extended basic
    • xb
    • (and 2 more)

      Tagged with:

      • extended basic
      • xb
      • assembly
      • color
    • 7 replies
    • 326 views
    • 
    • GDMike
    • January 25

48. 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
    • 5.3k views
    • 
    • Ex-TI
    • January 24

49. Help with XB256 game 1 2

    By Sergioz82, December 30, 2021
    • 30 replies
    • 1k views
    • 
    • 1980gamer
    • January 23

50. Code library management in Pascal

    By apersson850, January 19   

    • pascal
    • p-system
    • 4 replies
    • 239 views
    • 
    • apersson850
    • January 22