Atari 7800 Programming

685 topics in this forum

1. Latest 128-byte .asm files?

   By Propane13, February 19, 2020
   • 3 replies
   • 300 views
   • 
   • RevEng
   • February 20, 2020

2. 160B Banners 1 2

   By Muddyfunster, February 11, 2020   

   • 7800basic
   • 29 replies
   • 1k views
   • 
   • Trebor
   • February 16, 2020

3. Character pixel per scanline limit for MARIA?

   By Fragmare, February 13, 2020
   • 2 replies
   • 446 views
   • 
   • TailChao
   • February 13, 2020

4. TwentySixHundreds 7800 thread

   By TwentySixHundred, January 20, 2020
   • 9 replies
   • 408 views
   • 
   • TwentySixHundred
   • January 23, 2020

5. Prickle - My POKEY Programming Helper

   By MobiusAqua, August 11, 2015   

   • prickle
   • pokey
   • (and 1 more)

     Tagged with:

     • prickle
     • pokey
     • atari 7800
   • 11 replies
   • 2.9k views
   • 
   • Trebor
   • January 13, 2020

6. ### ERROR: couldn't find 7800basic binaries for Darwin(x86_64)

   By Lavalamp, December 22, 2019
   • 5 replies
   • 433 views
   • 
   • RevEng
   • December 23, 2019

7. Can I play new Zippy the Porcupine - Atari 2600

   By Ryan Frazier, December 13, 2019
   • 1 reply
   • 463 views
   • 
   • Albert
   • December 13, 2019

8. 7800 Basic Compiler Warning Help?

   By R_Leo_1, November 27, 2019
   • 12 replies
   • 457 views
   • 
   • RevEng
   • November 28, 2019

9. Where can I find an s-video mod kit or someone willing to mod my atari?

   By Theallknowingsause, November 6, 2019   

   • help required
   • 3 replies
   • 384 views
   • 
   • Theallknowingsause
   • November 8, 2019

10. Zanac on 7800 ... possible?

    By Synthpopalooza, September 15, 2019
    • 7 replies
    • 734 views
    • 
    • Synthpopalooza
    • September 16, 2019

11. Atari 7800XM and the Yamaha YM2151 sound chip 1 2

    By JonnyBritish, February 21, 2011
    • 48 replies
    • 13.4k views
    • 
    • philipj
    • September 4, 2019

12. Animated chars with characterset from memory

    By mksmith, August 29, 2019   

    • 7800basic
    • assembly
    • 12 replies
    • 971 views
    • 
    • Synthpopalooza
    • September 1, 2019

13. Other sound chips besides POKEY ... cheaper alternatives?

    By Synthpopalooza, August 28, 2019
    • 21 replies
    • 1k views
    • 
    • RevEng
    • August 29, 2019

14. Inconsistent Graphics

    By Karl G, August 16, 2019   

    • 7800 basic
    • 8 replies
    • 637 views
    • 
    • mksmith
    • August 20, 2019

15. Memory Map and accessing offset > 255

    By mksmith, July 25, 2019   

    • 7800basic
    • 9 replies
    • 554 views
    • 
    • SmittyB
    • July 27, 2019

16. 7800 BEAD header

    By RevEng, July 15, 2019
    • 18 replies
    • 1k views
    • 
    • TailChao
    • July 20, 2019

17. Character flipping for extra colors - a primer

    By Synthpopalooza, June 21, 2019
    • 23 replies
    • 1.7k views
    • 
    • Synthpopalooza
    • July 18, 2019

18. Rider of the Night (REVISED) 1 2 3

    By frankodragon, February 14, 2016   

    • knight rider clone
    • 51 replies
    • 9.3k views
    • 
    • frankodragon
    • July 11, 2019

19. Checking score for extra lives

    By mksmith, June 26, 2019   

    • 7800basic
    • 4 replies
    • 507 views
    • 
    • RevEng
    • June 27, 2019

20. 320C/320D may actually have uses? 1 2

    By Flipper, March 29, 2006
    • 30 replies
    • 8.8k views
    • 
    • Synthpopalooza
    • June 18, 2019

21. Looking for ideas about the player's shot in Defender...

    By PacManPlus, May 31, 2019
    • 9 replies
    • 1k views
    • 
    • PacManPlus
    • June 5, 2019

22. Is 320B color flaw present in 320C?

    By R_Leo_1, May 27, 2019   

    • 7800
    • 7 replies
    • 934 views
    • 
    • R_Leo_1
    • May 30, 2019

23. Using Indirect Variable Arrays

    By mksmith, May 22, 2019
    • 8 replies
    • 685 views
    • 
    • mksmith
    • May 25, 2019

24. Tiles and fonts in different gfx blocks

    By mksmith, May 20, 2019
    • 4 replies
    • 591 views
    • 
    • mksmith
    • May 21, 2019

25. Can we have tiles of different height?

    By asdronin, May 13, 2019
    • 12 replies
    • 723 views
    • 
    • asdronin
    • May 17, 2019

26. Running out of render time?

    By mksmith, May 14, 2019
    • 8 replies
    • 694 views
    • 
    • mksmith
    • May 16, 2019

27. Question about Basic "if"

    By asdronin, May 11, 2019
    • 6 replies
    • 614 views
    • 
    • asdronin
    • May 13, 2019

28. 160B Alternative 12 colors?

    By asdronin, May 12, 2019
    • 2 replies
    • 611 views
    • 
    • asdronin
    • May 12, 2019

29. Plotmap has a limit plotting out of screen?

    By asdronin, May 11, 2019
    • 5 replies
    • 499 views
    • 
    • asdronin
    • May 12, 2019

30. Issue using Tiled map and palette not found

    By asdronin, May 10, 2019
    • 5 replies
    • 507 views
    • 
    • asdronin
    • May 11, 2019

31. Plotmap tiles different widths?

    By asdronin, May 10, 2019
    • 2 replies
    • 447 views
    • 
    • asdronin
    • May 11, 2019

32. Can we retrieve the sprite color palette?

    By asdronin, May 10, 2019
    • 2 replies
    • 448 views
    • 
    • asdronin
    • May 11, 2019

33. Best practice with moving background made of tiles

    By asdronin, May 8, 2019   

    • tilemap
    • 2 replies
    • 472 views
    • 
    • asdronin
    • May 9, 2019

34. Interactive color picker?

    By asdronin, May 8, 2019
    • 0 replies
    • 447 views
    • 
    • asdronin
    • May 8, 2019

35. 7800Basic - Strange contradictory results evaluating variables/arrays?

    By Revontuli, April 17, 2019
    • 2 replies
    • 470 views
    • 
    • Revontuli
    • April 18, 2019

36. 7800basic strange variable behaviour

    By Dalta, March 11, 2019   

    • 7800basic
    • 8 replies
    • 1.1k views
    • 
    • Dalta
    • April 14, 2019

37. Toki with C64 Tiles

    By sgrddy, March 4, 2019
    • 6 replies
    • 1.2k views
    • 
    • Jinks
    • March 23, 2019

38. MARIA compliant game graphics/art?

    By Fragmare, March 1, 2019
    • 12 replies
    • 930 views
    • 
    • SmittyB
    • March 7, 2019

39. TIA Music on Atari 7800, (Stella's Stocking/ Mappy)

    By R_Leo_1, February 28, 2019   

    • music
    • 7800
    • (and 1 more)

      Tagged with:

      • music
      • 7800
      • tia
    • 3 replies
    • 694 views
    • 
    • R_Leo_1
    • February 28, 2019

40. Peekchar 7800basic help

    By Dalta, February 17, 2019   

    • 7800basic
    • peekchar
    • 2 replies
    • 523 views
    • 
    • Dalta
    • February 18, 2019

41. sprite data to color mapping ** updated **

    By EricBall, November 15, 2017
    • 1 reply
    • 1.8k views
    • 
    • MrFish
    • February 9, 2019

42. 7800Basic and Arrays

    By Lavalamp, October 4, 2018   

    • 7800
    • BASIC
    • (and 4 more)

      Tagged with:

      • 7800
      • BASIC
      • Array
      • variable
      • data
      • length
    • 5 replies
    • 1.1k views
    • 
    • SmittyB
    • February 4, 2019

43. Please explain content of Atari 7800 cartridge ROM

    By unebonnevie, December 28, 2017
    • 6 replies
    • 1.5k views
    • 
    • jericho_21
    • February 1, 2019

44. Best Practice DLL building screen height

    By Heaven/TQA, January 21, 2019
    • 2 replies
    • 349 views
    • 
    • Heaven/TQA
    • January 21, 2019

45. Is there any Atari 7800 Graphics tool out there?

    By R_Leo_1, October 23, 2018   

    • Atari7800
    • Graphics
    • 14 replies
    • 1.3k views
    • 
    • ColonialWarrior
    • January 20, 2019

46. JOUST lava flow project

    By Baby Blue Azure, December 19, 2018
    • 2 replies
    • 751 views
    • 
    • Dauber
    • January 20, 2019

47. Maria “crashing”?

    By Heaven/TQA, January 16, 2019
    • 11 replies
    • 596 views
    • 
    • Heaven/TQA
    • January 18, 2019

48. A quick way to check for the existence of POKEY at a specific address?

    By PacManPlus, January 14, 2019   

    • Pokey
    • 2 replies
    • 443 views
    • 
    • PacManPlus
    • January 14, 2019

49. 7800basic for Newbies: A Tutorial, Part 1 1 2

    By Atarius Maximus, September 19, 2017
    • 26 replies
    • 6.9k views
    • 
    • TwentySixHundred
    • January 10, 2019

50. 7800 Basic 1 2

    By Lavalamp, September 18, 2018   

    • 7800
    • BASIC
    • (and 1 more)

      Tagged with:

      • 7800
      • BASIC
      • Variables
    • 30 replies
    • 2.2k views
    • 
    • Dalta
    • December 17, 2018