Atari 5200 / 8-bit Programming

3,005 topics in this forum

1. XL/XE OS question regarding RESET

   By Bryan, February 10, 2017
   • 2 replies
   • 674 views
   • 
   • Bryan
   • February 10, 2017

2. C or Assembler for game development 1 2

   By zzip, January 25, 2017
   • 31 replies
   • 3.1k views
   • 
   • Irgendwer
   • February 7, 2017

3. Soft Sprites in GTIA modes

   By José Pereira, February 6, 2017
   • 5 replies
   • 983 views
   • 
   • José Pereira
   • February 7, 2017

4. generate key click programmatically

   By OxC0FFEE, February 4, 2017   

   • sound
   • atari 8-bit
   • (and 1 more)

     Tagged with:

     • sound
     • atari 8-bit
     • development
   • 6 replies
   • 1.4k views
   • 
   • CharlieChaplin
   • February 5, 2017

5. help me bug fix 32bit multiplication

   By twh/f2, February 2, 2017
   • 4 replies
   • 706 views
   • 
   • flashjazzcat
   • February 2, 2017

6. 5200 and A8 color differences

   By Cafeman, January 31, 2017   

   • NTSC
   • Palette
   • (and 2 more)

     Tagged with:

     • NTSC
     • Palette
     • 5200
     • Atari XE
   • 11 replies
   • 2.2k views
   • 
   • _The Doctor__
   • February 1, 2017

7. Machine language- Help

   By Suppawer, January 9, 2017
   • 5 replies
   • 1.3k views
   • 
   • ascrnet
   • January 25, 2017

8. Can Pokey make sound waveforms like in C64 Driller and Darkside music ?

   By popmilo, January 12, 2017   

   • pokey
   • sound
   • (and 2 more)

     Tagged with:

     • pokey
     • sound
     • sid
     • c64
   • 19 replies
   • 2.5k views
   • 
   • marok
   • January 18, 2017

9. (Noob Question) Can you load disks from Atari BASIC? 1 2

   By Link6415, July 24, 2016
   • 32 replies
   • 6.8k views
   • 
   • lightman
   • January 16, 2017

10. Newest version of Altirra Basic and manual?

    By gozar, March 23, 2016
    • 16 replies
    • 2.4k views
    • 
    • JamesD
    • January 15, 2017

11. Death by Paddle WIP (Learning assembly)

    By gozar, September 7, 2015
    • 11 replies
    • 1.6k views
    • 
    • gozar
    • January 10, 2017

12. Atari 8-bit games in C ( CC65 ) ? 1 2

    By Blues76, December 13, 2016
    • 26 replies
    • 6.3k views
    • 
    • Blues76
    • December 27, 2016

13. SSI Assembler by McFalkner?

    By Dropcheck, December 20, 2016
    • 7 replies
    • 864 views
    • 
    • Dropcheck
    • December 22, 2016

14. Cartridge base game, save file to disk without loading DOS first 1 2

    By peteym5, February 28, 2015
    • 27 replies
    • 2.7k views
    • 
    • _The Doctor__
    • December 17, 2016

15. 65816 - interesting old article i found today

    By Stormtrooper of Death, December 11, 2016
    • 5 replies
    • 950 views
    • 
    • Blues76
    • December 15, 2016

16. SpartaDOS X system calls via CC65?

    By tschak909, December 11, 2016   

    • SpartaDOS X
    • System Calls
    • (and 1 more)

      Tagged with:

      • SpartaDOS X
      • System Calls
      • CC65
    • 5 replies
    • 1.1k views
    • 
    • flashjazzcat
    • December 13, 2016

17. SpartaDOS X exit codes and batch files

    By tschak909, December 10, 2016
    • 2 replies
    • 648 views
    • 
    • tschak909
    • December 11, 2016

18. DLI/VBI routine in Basic for P/M movement?

    By eegad, December 8, 2016   

    • Basic
    • interrupt
    • (and 1 more)

      Tagged with:

      • Basic
      • interrupt
      • player/missile
    • 4 replies
    • 1.2k views
    • 
    • Madi
    • December 9, 2016

19. Decimal to Assembly Language

    By snicklin, November 27, 2016
    • 2 replies
    • 784 views
    • 
    • snicklin
    • November 27, 2016

20. WUDSN IDE: How to create an bank switched ROM?

    By JAC!, September 19, 2014
    • 6 replies
    • 1.6k views
    • 
    • snicklin
    • November 27, 2016

21. Servo Control - Atari Classics - ASM problem

    By k-Pack, November 17, 2016   

    • servo
    • 7 replies
    • 934 views
    • 
    • bob1200xl
    • November 21, 2016

22. Memory 2 player Basic game

    By Roydea6, November 19, 2016
    • 0 replies
    • 684 views
    • 
    • Roydea6
    • November 19, 2016

23. Where to go next

    By Mechanicjay, November 15, 2016
    • 4 replies
    • 969 views
    • 
    • ricortes
    • November 15, 2016

24. MIST FPGA works with me : 256 Compy.....

    By funkheld, November 8, 2016
    • 0 replies
    • 765 views
    • 
    • funkheld
    • November 8, 2016

25. How can you write and read the 1088 kb Ram in the Altirra (800xl)?

    By funkheld, November 7, 2016
    • 1 reply
    • 715 views
    • 
    • Rybags
    • November 8, 2016

26. Programming an eeprom in place?

    By Larry, October 26, 2016
    • 11 replies
    • 1.2k views
    • 
    • bob1200xl
    • November 7, 2016

27. Assembler editer 800xl syntax error

    By Mikes73, November 7, 2016
    • 4 replies
    • 737 views
    • 
    • Mikes73
    • November 7, 2016

28. graphicstool for the pc, can one produce the graphicsformat for Atarixl ?

    By funkheld, November 3, 2016
    • 6 replies
    • 947 views
    • 
    • JAC!
    • November 5, 2016

29. Simple draw routine sinus / cosinus to draw for ACTION.

    By funkheld, November 5, 2016
    • 0 replies
    • 702 views
    • 
    • funkheld
    • November 5, 2016

30. pyatasm: MAC/65 in python - wrapper around ATasm

    By playermissile, November 3, 2016
    • 3 replies
    • 728 views
    • 
    • fujidude
    • November 4, 2016

31. 29x Action-Atr...

    By funkheld, November 3, 2016
    • 0 replies
    • 683 views
    • 
    • funkheld
    • November 3, 2016

32. Triple buffering instead of double buffering

    By Qwe, November 2, 2016
    • 1 reply
    • 821 views
    • 
    • Wrathchild
    • November 3, 2016

33. ORA and the bits 1 2

    By Grevle, October 16, 2016
    • 25 replies
    • 2.1k views
    • 
    • JamesD
    • November 1, 2016

34. Use different controller types at the same time

    By skrimfid, October 31, 2016
    • 1 reply
    • 590 views
    • 
    • David_P
    • October 31, 2016

35. How do I use the pokey timers?

    By bugbiter, September 28, 2016
    • 18 replies
    • 2.3k views
    • 
    • emkay
    • October 30, 2016

36. Madpascal output xex ?

    By funkheld, October 26, 2016
    • 2 replies
    • 718 views
    • 
    • pps
    • October 29, 2016

37. General Purpose Checksum Programs

    By Larry, October 25, 2016
    • 6 replies
    • 809 views
    • 
    • Rybags
    • October 26, 2016

38. Learning advice

    By terfın, October 25, 2016
    • 4 replies
    • 765 views
    • 
    • slx
    • October 25, 2016

39. Serpentine cart disassembly

    By RevEng, October 23, 2016
    • 0 replies
    • 658 views
    • 
    • RevEng
    • October 23, 2016

40. How to make a sector counter?

    By Qwe, October 20, 2016
    • 12 replies
    • 1.2k views
    • 
    • Mclaneinc
    • October 22, 2016

41. Diamond OS

    By walter_J64bit, May 29, 2016
    • 6 replies
    • 1.1k views
    • 
    • k-Pack
    • October 15, 2016

42. Combining CC65 functions in a MADS project

    By twh/f2, October 10, 2016
    • 7 replies
    • 1.3k views
    • 
    • dmsc
    • October 12, 2016

43. Source from hexdump

    By lbaeza, October 9, 2016
    • 1 reply
    • 626 views
    • 
    • AtariGeezer
    • October 9, 2016

44. Loading Data into Arrays

    By wh5k, October 5, 2016
    • 3 replies
    • 859 views
    • 
    • wh5k
    • October 5, 2016

45. MADS and AtariMax

    By snicklin, September 29, 2016   

    • mads
    • atarimax
    • (and 1 more)

      Tagged with:

      • mads
      • atarimax
      • programming
    • 3 replies
    • 1.2k views
    • 
    • JAC!
    • October 4, 2016

46. Practical steps for using PORTB extended RAM 1 2

    By morelenmir, September 16, 2016
    • 31 replies
    • 2.9k views
    • 
    • Kyle22
    • October 2, 2016

47. Boot Camp, by Tom Hudson, HTMLified

    By Atari_Ace, September 5, 2016
    • 4 replies
    • 1.4k views
    • 
    • Atari_Ace
    • September 24, 2016

48. Best way to save?

    By ComputerWizard, September 5, 2016
    • 12 replies
    • 1.4k views
    • 
    • flashjazzcat
    • September 24, 2016

49. Programmatically switching off BASIC

    By morelenmir, September 7, 2016
    • 19 replies
    • 1.6k views
    • 
    • flashjazzcat
    • September 15, 2016

50. General A8 Memory Configuration Question

    By Schlortt, September 14, 2016   

    • Assembly
    • memory
    • 1 reply
    • 939 views
    • 
    • Rybags
    • September 14, 2016