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Atari 5200 / 8-bit Programming

Programming information for the Atari 5200 console and Atari 8-bit computers.

3,010 topics in this forum

  1. Quick-and-simple Atari8 memory map?

    By Harry Potter,
    • 18 replies
    • 831 views

  2. Interesting display list glitch in NTSC mode

    By RetroCoder,
    • 5 replies
    • 369 views

  3. AtaDisk65/cc65: where to continue? 1 2

    By Harry Potter,
    • 25 replies
    • 875 views

  4. cc65/AtaSimpleIO cursor? 1 2 3 4

    By Harry Potter,
    • 78 replies
    • 2.2k views

  5. MadLibAtari w/ Aux Mem now works!

    By Harry Potter,
    • 0 replies
    • 213 views

  6. New sorting algorithm?

    By Preppie,
    • 7 replies
    • 718 views

  7. cc65/Atari target: limited 32k MegaCart cartridge config

    By Harry Potter,
    • 0 replies
    • 251 views

  8. SIO Problems with Tygrys 1050 and other Happy clones...

    By Zolaerla,
    • 2 replies
    • 259 views

  9. cc65/AtaSimpleIO: clrscr() replacement?

    By Harry Potter,
    • 4 replies
    • 313 views

  10. AdvSkelVic65/Atari 32k cart port not working!

    By Harry Potter,
    • 2 replies
    • 387 views

  11. cc65/Atari lib.: sys check module?

    By Harry Potter,
    • 5 replies
    • 380 views

  12. antic mode 4 char editor needed

    By mutil8,
    • 12 replies
    • 1.2k views

  13. MAC/65 & BUG/65 (disk version) on Sparta DOS 3.2g - notes so far

    By Darken99,   
    • 4 replies
    • 214 views

  14. Can RANDOM be 'reseeded'?

    By jindroush,
    • 5 replies
    • 308 views

  15. cc65: --all-cdecl produces better results?

    By Harry Potter,
    • 0 replies
    • 192 views

  16. Best method to detect an ATARI 130XE computer

    By ndary,
    • 4 replies
    • 381 views

  17. AtariSIO Tools (ataricom, adir, diratr) Binary Builds

    By JAC!,
    • 7 replies
    • 509 views

  18. cc65/AtariXL target: getting rid of sys check chunk?

    By Harry Potter,
    • 1 reply
    • 152 views

  19. Large text modes in FastBasic 1 2

    By Mark Simonson,
    • 34 replies
    • 1.3k views

  20. Action! - disable BASIC

    By pedromagician,
    • 5 replies
    • 369 views

  21. Hunt a bug in 5200 game source code - no controls 1 2

    By baktra,
    • 25 replies
    • 972 views

  22. Cartridge formats with SRAM or equivalent? (for saving game config, high scores, etc.)

    By Bobo Cujo,
    • 19 replies
    • 608 views

  23. CC65/Atari .xex format for AdvSkelVic65?

    By Harry Potter,
    • 5 replies
    • 213 views

  24. Copy Protection 1 2

    By AGiambra,   
    • 37 replies
    • 2.1k views

  25. BLOAD + Altirra BASIC 1 2

    By Ricky Spanish,
    • 26 replies
    • 815 views

  26. "Safe" page zero locations to reuse

    By woj,
    • 5 replies
    • 719 views

  27. WAM animations in atari by David Coombs

    By Mariano DM,
    • 1 reply
    • 413 views

  28. Meta language 1 2 3 4 6

    By Kaj de Vos,   
    • 127 replies
    • 8.3k views

  29. MAC/65 disk version on Sparta DOS - warmstart entry point?

    By Darken99,
    • 6 replies
    • 380 views

  30. assembly atari 800xl/xe

    By atari1byte,
    • 15 replies
    • 945 views

  31. OSS-D-Day part 1-BASIC XE V4.2-cart&source now in PD 1 2

    By luckybuck,   
    • 27 replies
    • 3.9k views

  32. TBXL graphical artifacts when ending program

    By Ricky Spanish,
    • 7 replies
    • 423 views

  33. Creating new Atari8 disk images?

    By Harry Potter,
    • 6 replies
    • 513 views

  34. A good OS to run MAC/65 and EXDDT (DOS 2.5 works, but...)

    By Darken99,
    • 14 replies
    • 732 views

  35. VBXE - PC Based Graphics Tool

    By Stephen,
    • 15 replies
    • 750 views

  36. Action! How to call another Action! program on disk from Action! 1 2

    By rsh,
    • 26 replies
    • 771 views

  37. Disabling basic with cc65

    By clth,
    • 10 replies
    • 550 views

  38. Timing code within a frame

    By Stephen,
    • 5 replies
    • 522 views

  39. mode Antic 4 + vertical scrolling cause DLIs to move with the scrolling

    By JimTK,
    • 9 replies
    • 491 views

  40. Asteroids Proto

    By Tempest,
    • 6 replies
    • 433 views

  41. My VISION for Automating 4 Player-Sprites REALIZED 1 2

    By Astra2001,
    • 32 replies
    • 1.9k views

  42. BUG65 crashes Altirra 4.10 so no MAC65 for me :( Any suggestions appreciated

    By Darken99,
    • 17 replies
    • 447 views

  43. TBXL PAUSE command 1 2

    By Ricky Spanish,
    • 26 replies
    • 983 views

  44. ACTION! interesting "feature" 1 2

    By TGB1718,
    • 28 replies
    • 1.2k views

  45. Player/Missile overlay "impossible" in highres mode 1 2

    By patjomki,   
    • 27 replies
    • 1.5k views

  46. Turbo Basic XL machine language routines. 1 2

    By Ricky Spanish,
    • 35 replies
    • 1.2k views

  47. Atari 800 and 1200XL memory issues?

    By swolfsdxb,
    • 2 replies
    • 256 views

  48. Help needed optimizing Atari8/cc65 programs! 1 2

    By Harry Potter,
    • 28 replies
    • 1.3k views

  49. Eclipse/MADS editor question

    By TGB1718,
    • 7 replies
    • 431 views

  50. Super Pac-Man (5200/800) Discussion

    By Tempest,
    • 8 replies
    • 512 views

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