TI-99/4A Development

2,757 topics in this forum

1. TI and the MiniPro TL866 EPROM Programmer 1 2 3 4 15

   By atrax27407, March 7, 2018
   • 367 replies
   • 39.1k views
   • 
   • Tursi
   • Friday at 10:59 PM

2. TI-99/4A development resources 1 2 3 4 18

   By retroclouds, November 19, 2009   

   • ti-99/4a
   • forth
   • (and 10 more)

     Tagged with:

     • ti-99/4a
     • forth
     • extended basic
     • books
     • game development
     • emulators
     • vdp9918
     • tms9900
     • compilers
     • devres
     • dsr
     • rxb
   • 444 replies
   • 140.8k views
   • 
   • TheMole
   • March 17

3. XB3 Cartridge EPROMs

   By adamantyr, 1 hour ago
   • 2 replies
   • 42 views
   • 
   • Gary from OPA
   • 10 minutes ago

4. Keyboard/Joystick conflict

   By Tursi, 20 hours ago
   • 13 replies
   • 149 views
   • 
   • OLD CS1
   • 1 hour ago

5. Pi Pico[W] Peripheral Expansion Box Side Port Device 1 2 3 4 16

   By JasonACT, December 11, 2023
   • 378 replies
   • 9.4k views
   • 
   • JasonACT
   • 3 hours ago

6. Pascal on the 99/4A 1 2 3 4 39

   By apersson850, January 27, 2012   

   • pascal
   • p-system
   • 955 replies
   • 50k views
   • 
   • apersson850
   • 3 hours ago

7. Assembly on the 99/4A 1 2 3 4 92

   By matthew180, May 12, 2010
   • 2.3k replies
   • 136.7k views
   • 
   • apersson850
   • 3 hours ago

8. F18A Karts demo

   By Asmusr, Friday at 05:53 PM
   • 16 replies
   • 291 views
   • 
   • OLD CS1
   • 5 hours ago

9. rnd XB PseudoRandom Number Generator Discussion—RND and RANDOMIZE...updated 26APR2024 again

   By Lee Stewart, Tuesday at 02:08 AM   

   • prng
   • randomize
   • (and 1 more)

     Tagged with:

     • prng
     • randomize
     • xb
   • 13 replies
   • 330 views
   • 
   • Lee Stewart
   • 22 hours ago

10. Cherry MX compatible upgrade for Mitsumi 99/4A keyboards 1 2

    By visrealm, April 4   

    • keyboard
    • ti-99/4a
    • 39 replies
    • 1.1k views
    • 
    • Duewester
    • Friday at 07:12 PM

11. TI Mini Expansion System 1 2 3 4 6

    By Artoj, December 27, 2022   

    • pcb
    • ti99/4a
    • (and 1 more)

      Tagged with:

      • pcb
      • ti99/4a
      • expansion board
    • 148 replies
    • 8.1k views
    • 
    • RickyDean
    • Friday at 06:04 PM

12. Llama3 and Code Gen

    By Tursi, Wednesday at 01:02 AM
    • 1 reply
    • 87 views
    • 
    • Tursi
    • Wednesday at 01:45 AM

13. GCHAR equivalent in UCSD Pascal?

    By LarryFromBuffalo, April 12
    • 19 replies
    • 498 views
    • 
    • OLD CS1
    • Tuesday at 02:32 PM

14. Another "Bad Apple" demo 1 2 3

    By Eric Lafortune, July 31, 2022
    • 73 replies
    • 3.3k views
    • 
    • Eric Lafortune
    • Monday at 10:35 PM

15. Nano PEB Source Files Released

    By Shift838, April 20
    • 10 replies
    • 290 views
    • 
    • InsaneMultitasker
    • April 21

16. Geneve OS development discussion 1 2 3 4 27

    By InsaneMultitasker, January 10, 2021   

    • geneve
    • mdos
    • (and 1 more)

      Tagged with:

      • geneve
      • mdos
      • geneve os
    • 665 replies
    • 27.3k views
    • 
    • InsaneMultitasker
    • April 21

17. fbForth fbForth—TI Forth with File-based Block I/O [Post #1 UPDATED: 06/09/2023] 1 2 3 4 80

    By Lee Stewart, March 31, 2013   

    • fbforth
    • forth
    • (and 1 more)

      Tagged with:

      • fbforth
      • forth
      • ti forth
    • 2k replies
    • 111.5k views
    • 
    • TheBF
    • April 21

18. New SCSI card 1 2

    By Shift838, April 8
    • 43 replies
    • 771 views
    • 
    • InsaneMultitasker
    • April 21

19. RELEASE: Phoenix 2001 Recallit v2.00 by O.P.A.

    By Gary from OPA, April 16
    • 2 replies
    • 156 views
    • 
    • Gary from OPA
    • April 20

20. What if? Designing "Geneve 2020". Cool 3D views! 1 2 3 4 21

    By FarmerPotato, July 30, 2019
    • 517 replies
    • 29k views
    • 
    • dhe
    • April 20

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

    By InsaneMultitasker, September 3, 2020
    • 120 replies
    • 6.1k views
    • 
    • arcadeshopper
    • April 20

22. Playing VGM files in XB (?) 1 2 3

    By ruthven, March 17
    • 50 replies
    • 1.2k views
    • 
    • Tursi
    • April 18

23. The FinalGROM 99 1 2 3 4 32

    By ralphb, January 10, 2017
    • 784 replies
    • 81.9k views
    • 
    • ralphb
    • April 16

24. Code Conventions for Bank-Switched Cartridges?

    By Kchula-Rrit, April 13   

    • cartridge
    • guidry
    • (and 1 more)

      Tagged with:

      • cartridge
      • guidry
      • rom
    • 18 replies
    • 368 views
    • 
    • OLD CS1
    • April 16

25. Problems with SLCOMPILER

    By Cheung, April 10
    • 10 replies
    • 316 views
    • 
    • Cheung
    • April 15

26. RELEASE: Phoenix 2001 Diskodex v1.01 by O.P.A.

    By Gary from OPA, April 14
    • 1 reply
    • 166 views
    • 
    • Gary from OPA
    • April 15

27. Official TI99 GSIM (Pizza Box) Cartridge Dongle

    By Gary from OPA, April 13
    • 3 replies
    • 155 views
    • 
    • Ksarul
    • April 14

28. Breadboard or PC Board?

    By Kchula-Rrit, April 13
    • 15 replies
    • 202 views
    • 
    • FarmerPotato
    • April 14

29. 3D printed TI99 VGA port for F18A

    By dphirschler, March 17   

    • vga
    • f18a
    • 15 replies
    • 445 views
    • 
    • dphirschler
    • April 12

30. RELEASE: 3D String Art v1.0 & Graphics Demo v9938/58 (1988/1990) by Oasis Pensive Abacutors / GARYOPA

    By Gary from OPA, April 12
    • 10 replies
    • 261 views
    • 
    • Gary from OPA
    • April 12

31. Self Learning Kicad as I design a FDC/IO card 1 2

    By RickyDean, October 31, 2023
    • 38 replies
    • 1.2k views
    • 
    • matthew180
    • April 12

32. Camel99 Forth Information goes here 1 2 3 4 70

    By TheBF, January 3, 2018   

    • Camel99
    • Forth
    • (and 2 more)

      Tagged with:

      • Camel99
      • Forth
      • Concatentive Programming
      • ANS Forth
    • 1.7k replies
    • 74.4k views
    • 
    • TheBF
    • April 11

33. TI Adventure Gaming

    By MikeV, April 8   

    • adventure
    • rxb
    • (and 1 more)

      Tagged with:

      • adventure
      • rxb
      • sams
    • 2 replies
    • 190 views
    • 
    • MikeV
    • April 11

34. What is the purpose of the PERMANENT parameter specification in a sub?

    By jschultzpedersen, April 5
    • 22 replies
    • 434 views
    • 
    • FarmerPotato
    • April 10

35. Alex Kidd on Miracle Island - Playable Demo 1 2 3 4 6

    By TheMole, October 13, 2015
    • 135 replies
    • 13k views
    • 
    • arcadeshopper
    • April 10

36. Request for PALASM Guru

    By Kchula-Rrit, April 8   

    • gal
    • pal
    • (and 1 more)

      Tagged with:

      • gal
      • pal
      • palasm
    • 4 replies
    • 149 views
    • 
    • Kchula-Rrit
    • April 9

37. New Tunnels of Doom engine? 1 2

    By adamantyr, March 22
    • 42 replies
    • 1.3k views
    • 
    • adamantyr
    • April 6

38. Horizon RAMdisk ROS and CFG Development 1 2 3 4 23

    By InsaneMultitasker, March 2, 2014   

    • ros
    • cfg
    • (and 1 more)

      Tagged with:

      • ros
      • cfg
      • ramdisk
    • 553 replies
    • 38k views
    • 
    • Gary from OPA
    • April 6

39. How to test for 32K memory expansion in TMS9900 assembly?

    By adamantyr, April 3
    • 8 replies
    • 240 views
    • 
    • apersson850
    • April 5

40. Inexpensive way to try out GALs? 1 2

    By Kchula-Rrit, March 9   

    • programmable logic devices
    • 27 replies
    • 607 views
    • 
    • Kchula-Rrit
    • April 5

41. Help Me Find This Component

    By FarmerPotato, April 1
    • 12 replies
    • 303 views
    • 
    • FarmerPotato
    • April 4

42. RXB - Rich Extended Basic 1 2 3 4 65

    By Bones-69, May 26, 2010
    • 1.6k replies
    • 116.9k views
    • 
    • MikeV
    • April 4

43. xdt99: New TI 99 cross-development tools available 1 2 3 4 27

    By ralphb, January 11, 2015
    • 669 replies
    • 49.1k views
    • 
    • RXB
    • April 4

44. TIPI - TI-99/4A to Raspberry PI interface development 1 2 3 4 62

    By jedimatt42, May 2, 2017
    • 1.5k replies
    • 99.6k views
    • 
    • jedimatt42
    • April 2

45. Floppy Formatter from code, questions...

    By jedimatt42, March 31
    • 9 replies
    • 274 views
    • 
    • apersson850
    • April 2

46. New emulator - BuLWiP 1 2

    By PeteE, February 28, 2023
    • 41 replies
    • 2.9k views
    • 
    • PeteE
    • April 1

47. GCC for the TI 1 2 3 4 46

    By insomnia, June 10, 2010
    • 1.1k replies
    • 91k views
    • 
    • khanivore
    • April 1

48. Paul Urbanus’ write up on Parsec’s smooth scrolling and simultaneous speech during gameplay from Reddit

    By acadiel, March 31
    • 2 replies
    • 169 views
    • 
    • acadiel
    • March 31

49. v9t9 TI-99/4A emulator written in java 1 2 3

    By retroclouds, January 6, 2013   

    • v9t9
    • ti-99/4a
    • (and 2 more)

      Tagged with:

      • v9t9
      • ti-99/4a
      • emulator
      • java
    • 70 replies
    • 13.2k views
    • 
    • Gary from OPA
    • March 30

50. Eliminating the 4 wait state penalty for memory mapped hardware

    By hhos, March 1
    • 19 replies
    • 543 views
    • 
    • mrvan
    • March 26