TI-99/4A Development

2,812 topics in this forum

1. Multicolor mode - the mode nobody wanted 1 2 3 4 10

   By Asmusr, August 5, 2014   

   • multicolor mode
   • 232 replies
   • 19.1k views
   • 
   • RXB
   • August 24

2. The World of Ada at TI

   By FarmerPotato, July 19
   • 11 replies
   • 422 views
   • 
   • MarkB
   • August 19

3. Has anyone built a FlashROM 99 on their own?

   By CAJoeG, August 17
   • 9 replies
   • 272 views
   • 
   • FarmerPotato
   • August 18

4. Gridslugger - Game in progress (compiled XB) 1 2 3

   By Bones-69, November 13, 2017
   • 68 replies
   • 5.7k views
   • 
   • Cheung
   • August 16

5. Assembly on the 99/4A 1 2 3 4 96

   By matthew180, May 12, 2010
   • 2.4k replies
   • 156.7k views
   • 
   • apersson850
   • August 14

6. Disk Manager II Source Code

   By dhe, August 14
   • 1 reply
   • 124 views
   • 
   • Gary from OPA
   • August 14

7. Nano PEB Source Files Released

   By Shift838, April 20
   • 16 replies
   • 787 views
   • 
   • Stuart
   • August 10

8. New Tunnels of Doom engine? 1 2 3

   By adamantyr, March 22
   • 56 replies
   • 2.3k views
   • 
   • nuxi
   • August 8

9. 838 - IO Card (Flex Interface card replacement!) 1 2 3 4 5

   By Shift838, August 13, 2021
   • 118 replies
   • 6.2k views
   • 
   • Gary from OPA
   • August 7

10. Rs232 handshake

    By Vorticon, August 4
    • 19 replies
    • 373 views
    • 
    • Vorticon
    • August 6

11. XOP operation eludes me

    By jschultzpedersen, August 3
    • 22 replies
    • 427 views
    • 
    • FarmerPotato
    • August 5

12. Idea: Assembler with Algebraic Instructions

    By FarmerPotato, July 30
    • 2 replies
    • 124 views
    • 
    • FarmerPotato
    • July 31

13. Force Command : kinda like command.com from 1985 (no TIPI required!) 1 2 3 4 35

    By jedimatt42, May 7, 2019
    • 857 replies
    • 82.2k views
    • 
    • jedimatt42
    • July 30

14. Testing for current screen mode 1 2

    By jschultzpedersen, July 5
    • 39 replies
    • 1.1k views
    • 
    • jschultzpedersen
    • July 28

15. Musings on 99000 macro code 1 2 3 4 6

    By pnr, January 13, 2018   

    • 99000
    • ti990/12
    • (and 1 more)

      Tagged with:

      • 99000
      • ti990/12
      • macro code
    • 143 replies
    • 9k views
    • 
    • Gary from OPA
    • July 26

16. StrangeCart 1 2 3 4 19

    By speccery, May 16, 2020
    • 470 replies
    • 30.9k views
    • 
    • Archimedes5000
    • July 24

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

    By visrealm, April 4   

    • keyboard
    • ti-99/4a
    • 48 replies
    • 2k views
    • 
    • visrealm
    • July 23

18. Classic99 flagged by antivirus?

    By theincrediblepeep, June 22
    • 12 replies
    • 397 views
    • 
    • GDMike
    • July 21

19. TI99/4a SuperCart Drawing

    By Old Engineer, June 29
    • 5 replies
    • 320 views
    • 
    • GDMike
    • July 21

20. Emulator test suite? 1 2 3

    By webdeck, February 22
    • 57 replies
    • 1.6k views
    • 
    • mizapf
    • July 20

21. Myarc HFDC hardware mods

    By Hans23, February 27, 2021
    • 14 replies
    • 819 views
    • 
    • Tator
    • July 16

22. Geneve - Stock memory (no 32K update) and booting

    By 9640News, July 16
    • 1 reply
    • 132 views
    • 
    • InsaneMultitasker
    • July 16

23. DuPAL and TI Workshop protected PAL16R4 1 2

    By acadiel, February 23, 2023
    • 28 replies
    • 1.4k views
    • 
    • Fritz442
    • July 13

24. Would anyone be interested in working on another mega demo? 1 2 3 4 6

    By Asmusr, May 8
    • 129 replies
    • 4.5k views
    • 
    • Tursi
    • July 12

25. Is there a way to convert a BIN file into several E/A 5 image files?

    By rgjt, July 9   

    • bin
    • image files
    • (and 2 more)

      Tagged with:

      • bin
      • image files
      • e/a option 5
      • fg99
    • 8 replies
    • 303 views
    • 
    • rgjt
    • July 11

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

    By dhe, December 3, 2021
    • 61 replies
    • 3.2k views
    • 
    • Gary from OPA
    • July 10

27. TI disk controller DSR 1 2

    By Vorticon, July 5
    • 28 replies
    • 658 views
    • 
    • Vorticon
    • July 10

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

    By RickyDean, October 31, 2023
    • 39 replies
    • 1.5k views
    • 
    • Artoj
    • July 9

29. TI Adventure Gaming

    By MikeV, April 8   

    • adventure
    • rxb
    • (and 1 more)

      Tagged with:

      • adventure
      • rxb
      • sams
    • 6 replies
    • 565 views
    • 
    • MikeV
    • July 8

30. BLWP?

    By Krool885, March 15
    • 20 replies
    • 759 views
    • 
    • FarmerPotato
    • July 4

31. 4Anoid - Arkanoid conversion for the TI-99/4A 1 2 3 4 6

    By OLD CS1, November 2, 2014
    • 134 replies
    • 10.2k views
    • 
    • polluks
    • July 4

32. SDD 99 1 2 3 4 9

    By ralphb, November 11, 2018   

    • PEB
    • SDD
    • 220 replies
    • 23.9k views
    • 
    • Vorticon
    • July 3

33. Supernotes 1 2 3 4 57

    By GDMike, May 16, 2020
    • 1.4k replies
    • 55.6k views
    • 
    • GDMike
    • July 3

34. Segment registers in gcc for 32-bit memory 1 2

    By MarkB, May 30
    • 29 replies
    • 1.1k views
    • 
    • adel314
    • July 1

35. Is there a EA5 to EA3 converter/editor ?

    By moije, June 25
    • 8 replies
    • 314 views
    • 
    • moije
    • June 30

36. Recovering bad cassette recordings

    By MarkB, June 16
    • 6 replies
    • 333 views
    • 
    • MarkB
    • June 29

37. Conversion of Z80 code to TMS9900 1 2 3 4

    By Asmusr, June 13, 2017
    • 86 replies
    • 8k views
    • 
    • MarkB
    • June 29

38. Source of fonts?

    By Vorticon, June 21
    • 11 replies
    • 387 views
    • 
    • 9640News
    • June 24

39. Making a Will o' Wisp in bitmap mode 1 2

    By Sergioz82, March 19, 2023
    • 38 replies
    • 2.3k views
    • 
    • OX.
    • June 22

40. Revisiting the Original TI-99 Joysticks

    By dgrissom, July 21, 2022
    • 6 replies
    • 655 views
    • 
    • apersson850
    • June 21

41. Linux file and disk tools update

    By MarkB, June 11
    • 4 replies
    • 176 views
    • 
    • arcadeshopper
    • June 12

42. RND RND and RAND: Pseudorandom Number Generation by TI Basic

    By Lee Stewart, January 17, 2018   

    • rnd
    • rand
    • (and 3 more)

      Tagged with:

      • rnd
      • rand
      • pseudorandom
      • png
      • ti basic
    • 7 replies
    • 1.6k views
    • 
    • Artoj
    • June 12

43. How important is the TI footprint for a cartridge board?

    By Kchula-Rrit, June 7
    • 3 replies
    • 265 views
    • 
    • Kchula-Rrit
    • June 11

44. STILL TI

    By Victor, June 9
    • 3 replies
    • 263 views
    • 
    • Victor
    • June 9

45. Info and specs for the ICS 32K (after-market) Memory Expansion Card for the Texas Instruments PHP-1200

    By WCLegere, May 26   

    • memory expansion
    • ti-99/4a
    • (and 1 more)

      Tagged with:

      • memory expansion
      • ti-99/4a
      • php1200
    • 6 replies
    • 402 views
    • 
    • arcadeshopper
    • June 8

46. Introducing Structured Extended BASIC and TiCodEd 1 2 3 4 9

    By SteveB, December 12, 2020
    • 209 replies
    • 15.5k views
    • 
    • SteveB
    • June 8

47. RELEASE: GIF 99 Viewer for V9938/58 Systems v1.05 by O.P.A. 1 2

    By Gary from OPA, May 1
    • 40 replies
    • 1k views
    • 
    • Gary from OPA
    • June 4

48. TI-Forth-to-fbForth-3.0

    By dhe, May 25
    • 22 replies
    • 567 views
    • 
    • GDMike
    • June 1

49. Lua for TI99 1 2

    By MarkB, May 26
    • 32 replies
    • 1.1k views
    • 
    • jedimatt42
    • May 31

50. XMLLNK call >2300 not available in Ext. Basic. Any alternatives? 1 2

    By jschultzpedersen, May 16
    • 25 replies
    • 869 views
    • 
    • jschultzpedersen
    • May 30