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TI-99/4A Development

Software and hardware development for the TI-99/4A Computer.

2,812 topics in this forum

  1. T80XB Programming help

    By Shift838,
    • 5 replies
    • 448 views

  2. Trying to understand DMA on a 4A.

    By dhe,
    • 11 replies
    • 542 views

  3. Here it is my 10 lines Extended Basic collection :)

    By rocky007,
    • 21 replies
    • 1.1k views

  4. CALL LOAD for data 1 2

    By SteveB,
    • 30 replies
    • 1k views

  5. Which is faster?

    By Retrospect,
    • 14 replies
    • 912 views

  6. 9938 High Speed Block Move

    By 9640News,
    • 23 replies
    • 743 views

  7. Assembly "Pixel Plot" in multicolor mode

    By Reciprocating Bill,
    • 8 replies
    • 723 views

  8. The joy of sticks. 1 2

    By Retrospect,
    • 28 replies
    • 1.2k views

  9. SRL vs SWPB: moving one byte into LSB

    By FarmerPotato,
    • 12 replies
    • 617 views

  10. Joystick + Alpha-Lock where is the path to ground?

    By matthew180,
    • 24 replies
    • 1k views

  11. files format 1 2 3

    By rocky007,
    • 57 replies
    • 6.9k views

  12. TMS9900 Application Sheet

    By dhe,
    • 4 replies
    • 402 views

  13. OPERATION SEA WOLF - BY MARK HANKINS

    By oddemann,   
    • 9 replies
    • 577 views

  14. Can you help me with ASM? 1 2 3 4 6

    By Sergioz82,
    • 145 replies
    • 6.8k views

  15. Basic/Ex Basic Code - Different programs - Copy and Past! 1 2

    By oddemann,   
    • 29 replies
    • 1.8k views

  16. Where can I get SXB for Classic99

    By ti99_forever,   
    • 12 replies
    • 1.6k views

  17. Snake Plissken - game released 1 2 3 4 6

    By sometimes99er,   
    • 140 replies
    • 19.3k views

  18. XB prescan and SUB

    By Vorticon,
    • 11 replies
    • 454 views

  19. TI extended Basic Binary to Hex subroutine

    By jrhodes,
    • 5 replies
    • 372 views

  20. All about sprites/tiles 1 2

    By Plastik,
    • 37 replies
    • 4.9k views

  21. 9938 Programming

    By 9640News,
    • 21 replies
    • 1.5k views

  22. CLI parser for MDOS

    By mizapf,
    • 5 replies
    • 399 views

  23. Looking for a few good MAME / Geneve users.

    By dhe,   
    • 2 replies
    • 252 views

  24. ti-workshop Wiesbaden Supermodul 2.2

    By Astharot,   
    • 16 replies
    • 1.5k views

  25. Bringing up "Geneve 2020": Debugging Help Please! 1 2 3 4 6

    By FarmerPotato,
    • 146 replies
    • 8.8k views

  26. EBNEK TMS9900 based computer.

    By Reciprocating Bill,
    • 0 replies
    • 224 views

  27. Amazing TRS-80 Dev Tool You MUST SEE

    By Airshack,
    • 10 replies
    • 765 views

  28. Which high-level native TI-99 languages are you most likely to use for a future TI-99 project? 1 2

    By pixelpedant,
    • 26 replies
    • 1.4k views

  29. MYARC HFDC V12 Eprom Source Code

    By 9640News,
    • 10 replies
    • 689 views

  30. TI-74 and cassette capabilities 1 2 3

    By acadiel,
    • 71 replies
    • 11.4k views

  31. Improving TI BASIC performance 1 2 3 4

    By senior_falcon,
    • 77 replies
    • 3.5k views

  32. Geneve, accessing expanded memory from GPL

    By dhe,
    • 6 replies
    • 539 views

  33. V9958 + RAMs + other chips

    By Stuart,
    • 13 replies
    • 1.1k views

  34. Question about RANDOMIZE in XB LOAD file

    By ruthven,
    • 10 replies
    • 755 views

  35. Compute!'s Guide to TI-99/4A Sound and Graphics with DSK files on the Internet Archive

    By charlietunaz,
    • 11 replies
    • 510 views

  36. Basic More

    By dhe,
    • 6 replies
    • 458 views

  37. Decoding Basic Source Code from Cartridge Binaries 1 2

    By kl99,   
    • 29 replies
    • 3.8k views

  38. 2764 adapter for a TMS2564

    By atrax27407,
    • 17 replies
    • 2.1k views

  39. Custom Speech in XB

    By SteveB,
    • 4 replies
    • 642 views

  40. C compiler for Ti994/a

    By Frozone212,
    • 12 replies
    • 867 views

  41. Geneve MDOS New Call

    By 9640News,
    • 5 replies
    • 593 views

  42. Sound to speech with Praat

    By Eric Lafortune,
    • 3 replies
    • 476 views

  43. Geneve V2.00 Eprom 1 2 3

    By 9640News,
    • 50 replies
    • 3.1k views

  44. Geneve Clock Chip MM58274 source? 1 2

    By FarmerPotato,
    • 41 replies
    • 2.2k views

  45. Sprites Multicolor TML

    By atari1byte,
    • 16 replies
    • 863 views

  46. MDOS 7.00 Developer's Version 1 2 3

    By 9640News,
    • 57 replies
    • 4k views

  47. MOVB bus semantics

    By brain,
    • 6 replies
    • 541 views

  48. Level 1, Level 2 and Level 3 I/O

    By dhe,
    • 2 replies
    • 260 views

  49. TI 99/4a 32k memory card

    By johnph3,
    • 3 replies
    • 492 views

  50. Pinball games 1 2 3 4 5

    By Asmusr,
    • 116 replies
    • 9k views

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