TI-99/4A Development

2,230 topics in this forum

1. Using the RS232 DSR

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

2. Fred Kaal's Module Creator

   By atrax27407, March 17, 2014
   • 24 replies
   • 2,086 views
   • 
   • Airshack
   • June 25

3. Reading nanopeb volume list : ???

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

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

   By pixelpedant, June 3
   • 9 replies
   • 199 views
   • 
   • RXB
   • June 24

5. F18A programming, info, and resources 1 2 3 4 27

   By matthew180, January 14, 2013   

   • f18a
   • fpga
   • (and 8 more)

     Tagged with:

     • f18a
     • fpga
     • vdp
     • 9918a
     • 9928
     • video
     • hardware
     • mods
     • upgrade
     • updates
   • 660 replies
   • 37,678 views
   • 
   • ralphb
   • June 22

6. SuperCart Construction 1 2 3 4 9

   By Opry99er, February 2, 2018
   • 212 replies
   • 6,677 views
   • 
   • TheBF
   • June 15

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

   By Tim Hamilton, June 14   

   • js99er
   • xdt99
   • (and 1 more)

     Tagged with:

     • js99er
     • xdt99
     • assembly
   • 22 replies
   • 318 views
   • 
   • ralphb
   • June 15

8. Force Command and FDOS issues.

   By MrTransistor, June 10
   • 4 replies
   • 84 views
   • 
   • MrTransistor
   • June 10

9. TI-99/4A PEB Cable Splitter

   By BeeryMiller, June 9
   • 3 replies
   • 159 views
   • 
   • Ksarul
   • June 10

10. Project Announcement - PEB

    By MrTransistor, June 7
    • 21 replies
    • 418 views
    • 
    • MrTransistor
    • June 9

11. Horizon RAMdisk ROS and CFG Development 1 2 3 4 19

    By InsaneMultitasker, March 2, 2014   

    • ros
    • cfg
    • (and 1 more)

      Tagged with:

      • ros
      • cfg
      • ramdisk
    • 466 replies
    • 20,481 views
    • 
    • wolhess
    • June 7

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

    By Kchula-Rrit, June 6
    • 6 replies
    • 141 views
    • 
    • RXB
    • June 6

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

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

14. Current draw for console+NanoPEB?

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

15. Game "Eimerkette"

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

16. hfdc, wds1 and subdirs

    By Michael Rittweger, May 31
    • 7 replies
    • 145 views
    • 
    • mizapf
    • May 31

17. LOGO anyone? 1 2 3

    By DavidC, May 23
    • 50 replies
    • 1,003 views
    • 
    • Vorticon
    • May 30

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

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

19. Optimize TMS9900 assembly code for speed 1 2

    By retroclouds, May 9   

    • tivi
    • tms9900
    • (and 3 more)

      Tagged with:

      • tivi
      • tms9900
      • mov
      • optimize
      • speed
    • 46 replies
    • 796 views
    • 
    • GDMike
    • May 30

20. Retrogame Archeology book

    By Tim Hamilton, May 29   

    • books
    • 4 replies
    • 153 views
    • 
    • Brian O
    • May 29

21. Forth Tutorials 1 2 3 4 17

    By matthew180, August 7, 2011
    • 405 replies
    • 14,038 views
    • 
    • DavidC
    • May 29

22. 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
    • 6 replies
    • 130 views
    • 
    • GDMike
    • May 28

23. F18a proper way to reset the F18a extended registers

    By retroclouds, May 26   

    • f18a extended registers
    • 7 replies
    • 145 views
    • 
    • Tursi
    • May 27

24. TI xdt99 IDE

    By Michael Rittweger, May 21   

    • assembler
    • ide
    • (and 2 more)

      Tagged with:

      • assembler
      • ide
      • mame
      • xdt99
    • 23 replies
    • 383 views
    • 
    • GDMike
    • May 26

25. How to file stats from assembly?

    By Kchula-Rrit, May 26
    • 3 replies
    • 126 views
    • 
    • Kchula-Rrit
    • May 26

26. TI MIST FPGA Core

    By acadiel, May 23, 2018
    • 18 replies
    • 1,691 views
    • 
    • mizapf
    • May 23

27. I'm sorry Ralph, ...

    By ralphb, May 21
    • 7 replies
    • 269 views
    • 
    • RXB
    • May 22

28. USES UCSD Pascal

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

29. Let's have an Adventure. 1 2

    By Retrospect, May 30, 2019
    • 31 replies
    • 1,264 views
    • 
    • Schmitzi
    • May 18

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

    By Rossman, April 13
    • 19 replies
    • 366 views
    • 
    • Rossman
    • May 16

31. ATARI to USB Joystick Adapter

    By Shift838, July 7, 2019
    • 18 replies
    • 989 views
    • 
    • Shift838
    • May 10

32. Cartridge image headers /conversion

    By sjt, May 7
    • 4 replies
    • 178 views
    • 
    • kl99
    • May 9

33. Fortran99 Challenge 1 2 3 4 5

    By dhe, March 23
    • 117 replies
    • 2,721 views
    • 
    • dhe
    • May 4

34. ROM Set for TI99Sim? 1 2 3

    By Willsy, August 5, 2018
    • 66 replies
    • 3,007 views
    • 
    • mizapf
    • May 2

35. Machine Forth OMG 1 2

    By TheBF, March 10, 2017   

    • FORTH
    • 45 replies
    • 2,490 views
    • 
    • Lee Stewart
    • May 2

36. 9901 timing question

    By FarmerPotato, January 13
    • 14 replies
    • 534 views
    • 
    • FarmerPotato
    • April 28

37. SCREAMER

    By sparkdrummer, April 28
    • 3 replies
    • 150 views
    • 
    • atrax27407
    • April 28

38. How to backup FinalGROM SD board

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

39. Bankswitching and emulators

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

40. Question about PABs in assembly. 1 2

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

41. Pyramid of Doom ][

    By Shift838, June 21, 2019
    • 9 replies
    • 636 views
    • 
    • Shift838
    • April 24

42. TI Invaders (hacked) 1 2 3 4

    By sometimes99er, July 3, 2012   

    • game
    • cartridge
    • (and 1 more)

      Tagged with:

      • game
      • cartridge
      • hack
    • 86 replies
    • 10,698 views
    • 
    • sometimes99er
    • April 23

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

    By JJB, April 15
    • 8 replies
    • 393 views
    • 
    • GDMike
    • April 21

44. Thermal printer DSR Hacking help wanted 1 2

    By acadiel, April 11
    • 37 replies
    • 785 views
    • 
    • acadiel
    • April 20

45. XB Game Developers Package 1 2 3 4 31

    By senior_falcon, April 30, 2014
    • 750 replies
    • 31,732 views
    • 
    • SteveB
    • April 19

46. 8 Sprites and then....

    By SuperSixEVO, April 18
    • 2 replies
    • 175 views
    • 
    • TheBF
    • April 18

47. Is it technically possible?

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

48. Classic99 & SXB Quirk/Bug 1 2

    By Torrax, July 16, 2011
    • 28 replies
    • 1,563 views
    • 
    • Torrax
    • April 14

49. The new great game: TI-tanic ---> "Captain of TI-tanic!"

    By oddemann, April 6
    • 14 replies
    • 425 views
    • 
    • oddemann
    • April 12

50. Need help debugging PLATOTerm TIPI routines 1 2

    By tschak909, September 7, 2018
    • 36 replies
    • 1,056 views
    • 
    • tschak909
    • April 10