TI-99/4A Development

2,352 topics in this forum

1. GBSVGA Genie V2.0 In Development 1 2

   By Shift838, September 5, 2019
   • 25 replies
   • 1,347 views
   • 
   • Shift838
   • July 25, 2020

2. T40XB and T80XB 1 2

   By senior_falcon, May 20, 2020
   • 49 replies
   • 1,714 views
   • 
   • senior_falcon
   • July 21, 2020

3. VePseu 99 1 2 3

   By Gip-Gip, April 6, 2020   

   • 3d
   • vepseu
   • (and 3 more)

     Tagged with:

     • 3d
     • vepseu
     • ti99
     • ti994a
     • 4k
   • 73 replies
   • 2,699 views
   • 
   • Ksarul
   • July 19, 2020

4. New TI Basic game: City Hunter

   By tibasic, October 7, 2019
   • 21 replies
   • 1,247 views
   • 
   • mizapf
   • July 14, 2020

5. Lamplight text adventure editor + A Ghost Without Dying [in development]

   By InfernalKeith, June 22, 2020
   • 10 replies
   • 385 views
   • 
   • InfernalKeith
   • July 14, 2020

6. HRD4000B RAMBO usage example?

   By retroclouds, July 11, 2020
   • 3 replies
   • 154 views
   • 
   • Gary from OPA
   • July 13, 2020

7. Nanopeb rs232 uses

   By jrhodes, July 4, 2020
   • 10 replies
   • 270 views
   • 
   • InsaneMultitasker
   • July 9, 2020

8. 3D RPG idea

   By Gip-Gip, April 12, 2020
   • 10 replies
   • 592 views
   • 
   • Ksarul
   • July 7, 2020

9. Voltage for CF7+

   By Manic1975, October 4, 2013
   • 17 replies
   • 1,197 views
   • 
   • hloberg
   • July 7, 2020

10. A 3d engine for the TI 1 2

    By AmericanSaracen, April 24, 2020
    • 31 replies
    • 1,252 views
    • 
    • atrax27407
    • July 5, 2020

11. xbii Research on Myarc Extended Basic II

    By retroclouds, June 28, 2020   

    • myarc
    • memexp1
    • (and 4 more)

      Tagged with:

      • myarc
      • memexp1
      • sams
      • hrd4000b
      • 99/8
      • armadillo basic
    • 23 replies
    • 505 views
    • 
    • 9640News
    • July 4, 2020

12. Assembly: Why does DIV of an integer by itself result in an overflow?

    By Tim Hamilton, June 30, 2020   

    • assembly
    • 3 replies
    • 208 views
    • 
    • matthew180
    • June 30, 2020

13. Super TI-99 Mario Bros (F18A required) 1 2 3 4

    By Asmusr, January 18, 2016
    • 99 replies
    • 12,190 views
    • 
    • Mobsie
    • June 28, 2020

14. Using the RS232 DSR

    By tschak909, January 17, 2019
    • 24 replies
    • 890 views
    • 
    • arcadeshopper
    • June 28, 2020

15. Fred Kaal's Module Creator

    By atrax27407, March 17, 2014
    • 24 replies
    • 2,201 views
    • 
    • Airshack
    • June 25, 2020

16. Reading nanopeb volume list : ???

    By jedimatt42, June 6, 2020
    • 19 replies
    • 458 views
    • 
    • F.G. Kaal
    • June 25, 2020

17. A simple Autohotkey script other MAME users may have use for

    By pixelpedant, June 3, 2020
    • 9 replies
    • 327 views
    • 
    • RXB
    • June 24, 2020

18. Editor/Assembler bug with '.' using xdt99 cross-assembler & js99er

    By Tim Hamilton, June 14, 2020   

    • js99er
    • xdt99
    • (and 1 more)

      Tagged with:

      • js99er
      • xdt99
      • assembly
    • 22 replies
    • 394 views
    • 
    • ralphb
    • June 15, 2020

19. Force Command and FDOS issues.

    By MrTransistor, June 10, 2020
    • 4 replies
    • 113 views
    • 
    • MrTransistor
    • June 10, 2020

20. TI-99/4A PEB Cable Splitter

    By 9640News, June 9, 2020
    • 3 replies
    • 196 views
    • 
    • Ksarul
    • June 10, 2020

21. Project Announcement - PEB

    By MrTransistor, June 7, 2020
    • 21 replies
    • 503 views
    • 
    • MrTransistor
    • June 9, 2020

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

    By Kchula-Rrit, June 6, 2020
    • 6 replies
    • 180 views
    • 
    • RXB
    • June 6, 2020

23. Cartridge for E/A and 8K battery RAM

    By TheBF, March 28, 2019
    • 16 replies
    • 586 views
    • 
    • FALCOR4
    • June 4, 2020

24. Current draw for console+NanoPEB?

    By Kchula-Rrit, May 30, 2020
    • 4 replies
    • 237 views
    • 
    • Kchula-Rrit
    • June 3, 2020

25. Game "Eimerkette"

    By Michael Rittweger, May 31, 2020
    • 4 replies
    • 277 views
    • 
    • wolhess
    • June 2, 2020

26. hfdc, wds1 and subdirs

    By Michael Rittweger, May 31, 2020
    • 7 replies
    • 197 views
    • 
    • mizapf
    • May 31, 2020

27. LOGO anyone? 1 2 3

    By DavidC, May 23, 2020
    • 50 replies
    • 1,225 views
    • 
    • Vorticon
    • May 30, 2020

28. How to make Level-2 I/O work?

    By Kchula-Rrit, May 28, 2020
    • 10 replies
    • 269 views
    • 
    • Kchula-Rrit
    • May 30, 2020

29. Optimize TMS9900 assembly code for speed 1 2

    By retroclouds, May 9, 2020   

    • tivi
    • tms9900
    • (and 3 more)

      Tagged with:

      • tivi
      • tms9900
      • mov
      • optimize
      • speed
    • 46 replies
    • 932 views
    • 
    • GDMike
    • May 30, 2020

30. Retrogame Archeology book

    By Tim Hamilton, May 29, 2020   

    • books
    • 4 replies
    • 215 views
    • 
    • Brian O
    • May 29, 2020

31. Forth Tutorials 1 2 3 4 17

    By matthew180, August 7, 2011
    • 405 replies
    • 14,776 views
    • 
    • DavidC
    • May 29, 2020

32. What parameters and limitations (in particular, unacceptable values) are associated with characters/bytes contained in XB (or for that matter, Console BASIC) DATA statements?

    By pixelpedant, May 28, 2020
    • 6 replies
    • 164 views
    • 
    • GDMike
    • May 28, 2020

33. F18a proper way to reset the F18a extended registers

    By retroclouds, May 26, 2020   

    • f18a extended registers
    • 7 replies
    • 186 views
    • 
    • Tursi
    • May 27, 2020

34. TI xdt99 IDE

    By Michael Rittweger, May 21, 2020   

    • assembler
    • ide
    • (and 2 more)

      Tagged with:

      • assembler
      • ide
      • mame
      • xdt99
    • 23 replies
    • 491 views
    • 
    • GDMike
    • May 26, 2020

35. How to file stats from assembly?

    By Kchula-Rrit, May 26, 2020
    • 3 replies
    • 165 views
    • 
    • Kchula-Rrit
    • May 26, 2020

36. TI MIST FPGA Core

    By acadiel, May 23, 2018
    • 18 replies
    • 1,903 views
    • 
    • mizapf
    • May 23, 2020

37. I'm sorry Ralph, ...

    By ralphb, May 21, 2020
    • 7 replies
    • 332 views
    • 
    • RXB
    • May 22, 2020

38. USES UCSD Pascal

    By Shift838, April 14, 2020
    • 23 replies
    • 721 views
    • 
    • apersson850
    • May 19, 2020

39. CASE [xxx] OF [yyy] in Pascal

    By Rossman, April 13, 2020
    • 19 replies
    • 425 views
    • 
    • Rossman
    • May 16, 2020

40. Cartridge image headers /conversion

    By sjt, May 7, 2020
    • 4 replies
    • 242 views
    • 
    • kl99
    • May 9, 2020

41. Fortran99 Challenge 1 2 3 4 5

    By dhe, March 23, 2020
    • 117 replies
    • 3,316 views
    • 
    • dhe
    • May 4, 2020

42. ROM Set for TI99Sim? 1 2 3

    By Willsy, August 5, 2018
    • 66 replies
    • 3,741 views
    • 
    • mizapf
    • May 2, 2020

43. SCREAMER

    By sparkdrummer, April 28, 2020
    • 3 replies
    • 186 views
    • 
    • atrax27407
    • April 28, 2020

44. How to backup FinalGROM SD board

    By Kchula-Rrit, April 27, 2020
    • 2 replies
    • 194 views
    • 
    • Kchula-Rrit
    • April 28, 2020

45. Bankswitching and emulators

    By Gip-Gip, April 27, 2020
    • 3 replies
    • 191 views
    • 
    • Tursi
    • April 28, 2020

46. Question about PABs in assembly. 1 2

    By Kchula-Rrit, April 22, 2020
    • 33 replies
    • 650 views
    • 
    • retroclouds
    • April 25, 2020

47. TI Invaders (hacked) 1 2 3 4

    By sometimes99er, July 3, 2012   

    • game
    • cartridge
    • (and 1 more)

      Tagged with:

      • game
      • cartridge
      • hack
    • 86 replies
    • 11,135 views
    • 
    • sometimes99er
    • April 23, 2020

48. Introducing APEDSK99: Arduino DSR shield / SD DSKx emulator

    By JJB, April 15, 2020
    • 8 replies
    • 691 views
    • 
    • GDMike
    • April 21, 2020

49. 8 Sprites and then....

    By SuperSixEVO, April 18, 2020
    • 2 replies
    • 214 views
    • 
    • TheBF
    • April 18, 2020

50. Is it technically possible?

    By Omega-TI, April 16, 2020
    • 8 replies
    • 325 views
    • 
    • Asmusr
    • April 17, 2020