Atari 7800 Programming

703 topics in this forum

1. The XM Dev Thread 1 2

   By RevEng, February 28, 2020
   • 28 replies
   • 2k views
   • 
   • tep392
   • April 16, 2020

2. Question on detecting HSC or SaveKey in Basic

   By Muddyfunster, April 14, 2020
   • 2 replies
   • 347 views
   • 
   • Muddyfunster
   • April 15, 2020

3. 7800 screen drawing/tearing issue

   By R_Leo_1, April 5, 2020
   • 6 replies
   • 546 views
   • 
   • Mord
   • April 7, 2020

4. graphics suddenly glitch

   By Muddyfunster, April 1, 2020
   • 13 replies
   • 726 views
   • 
   • RevEng
   • April 5, 2020

5. 7800 Development 1 2 3 4 7

   By kamakazi, July 26, 2008
   • 152 replies
   • 81.6k views
   • 
   • Karl G
   • April 4, 2020

6. Tiled map not displaying

   By Karl G, February 8, 2020
   • 18 replies
   • 687 views
   • 
   • RevEng
   • March 31, 2020

7. 7800Basic controller types

   By Muddyfunster, March 27, 2020
   • 2 replies
   • 327 views
   • 
   • Muddyfunster
   • March 27, 2020

8. Scrapyard Dog source code needed

   By gambler172, March 21, 2009
   • 1 reply
   • 2k views
   • 
   • Pac-Lander
   • March 24, 2020

9. adding score0 and score1 together

   By Muddyfunster, March 21, 2020
   • 3 replies
   • 318 views
   • 
   • RevEng
   • March 22, 2020

10. Froggie bugs

    By JonnyBritish, March 15, 2020
    • 4 replies
    • 516 views
    • 
    • JonnyBritish
    • March 16, 2020

11. Same sprite, different colours

    By Muddyfunster, March 11, 2020
    • 14 replies
    • 651 views
    • 
    • RevEng
    • March 12, 2020

12. 320B Mode colors...

    By PacManPlus, March 10, 2020
    • 4 replies
    • 619 views
    • 
    • PacManPlus
    • March 11, 2020

13. Debugging on Ancient Game Platforms

    By RevEng, February 25, 2020
    • 21 replies
    • 771 views
    • 
    • RALPH!
    • March 9, 2020

14. peekchar not giving expected values

    By Karl G, March 9, 2020
    • 5 replies
    • 347 views
    • 
    • RevEng
    • March 9, 2020

15. Draker Quest II - Complete 1 2

    By frankodragon, May 31, 2017
    • 45 replies
    • 7.1k views
    • 
    • Trebor
    • March 8, 2020

16. 7800 basic incbanner + bankswitching

    By Muddyfunster, March 2, 2020
    • 4 replies
    • 366 views
    • 
    • mksmith
    • March 3, 2020

17. alphachars ASCII in 160A mode

    By Karl G, February 28, 2020
    • 8 replies
    • 501 views
    • 
    • RevEng
    • March 1, 2020

18. boxcollision examples

    By Karl G, February 26, 2020
    • 3 replies
    • 375 views
    • 
    • RevEng
    • February 26, 2020

19. DMF2ASM and XMYM Tracker

    By RevEng, February 22, 2020
    • 2 replies
    • 484 views
    • 
    • RevEng
    • February 23, 2020

20. Latest 128-byte .asm files?

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

21. 160B Banners 1 2

    By Muddyfunster, February 11, 2020   

    • 7800basic
    • 29 replies
    • 1.3k views
    • 
    • Trebor
    • February 16, 2020

22. Character pixel per scanline limit for MARIA?

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

23. TwentySixHundreds 7800 thread

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

24. Prickle - My POKEY Programming Helper

    By MobiusAqua, August 11, 2015   

    • prickle
    • pokey
    • (and 1 more)

      Tagged with:

      • prickle
      • pokey
      • atari 7800
    • 11 replies
    • 3.1k views
    • 
    • Trebor
    • January 13, 2020

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

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

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

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

27. 7800 Basic Compiler Warning Help?

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

28. 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
    • 412 views
    • 
    • Theallknowingsause
    • November 8, 2019

29. Zanac on 7800 ... possible?

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

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

    By JonnyBritish, February 21, 2011
    • 48 replies
    • 13.7k views
    • 
    • philipj
    • September 4, 2019

31. Animated chars with characterset from memory

    By mksmith, August 29, 2019   

    • 7800basic
    • assembly
    • 12 replies
    • 1.1k views
    • 
    • Synthpopalooza
    • September 1, 2019

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

    By Synthpopalooza, August 28, 2019
    • 21 replies
    • 1.2k views
    • 
    • RevEng
    • August 29, 2019

33. Inconsistent Graphics

    By Karl G, August 16, 2019   

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

34. Memory Map and accessing offset > 255

    By mksmith, July 25, 2019   

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

35. 7800 BEAD header

    By RevEng, July 15, 2019
    • 18 replies
    • 1.2k views
    • 
    • TailChao
    • July 20, 2019

36. Character flipping for extra colors - a primer

    By Synthpopalooza, June 21, 2019
    • 23 replies
    • 1.9k views
    • 
    • Synthpopalooza
    • July 18, 2019

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

    By frankodragon, February 14, 2016   

    • knight rider clone
    • 51 replies
    • 9.6k views
    • 
    • frankodragon
    • July 11, 2019

38. Checking score for extra lives

    By mksmith, June 26, 2019   

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

39. 320C/320D may actually have uses? 1 2

    By Flipper, March 29, 2006
    • 30 replies
    • 8.9k views
    • 
    • Synthpopalooza
    • June 18, 2019

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

    By PacManPlus, May 31, 2019
    • 9 replies
    • 1.1k views
    • 
    • PacManPlus
    • June 5, 2019

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

    By R_Leo_1, May 27, 2019   

    • 7800
    • 7 replies
    • 1k views
    • 
    • R_Leo_1
    • May 30, 2019

42. Using Indirect Variable Arrays

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

43. Tiles and fonts in different gfx blocks

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

44. Can we have tiles of different height?

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

45. Running out of render time?

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

46. Question about Basic "if"

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

47. 160B Alternative 12 colors?

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

48. Plotmap has a limit plotting out of screen?

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

49. Issue using Tiled map and palette not found

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

50. Plotmap tiles different widths?

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