Atari 7800 Programming

697 topics in this forum

1. system to program a 7800 game?/How to go about

   By Jinks, September 2, 2010
   • 20 replies
   • 3.5k views
   • 
   • doppel
   • September 12, 2010

2. Reading Paddles and Driving Controllers 1 2

   By PacManPlus, July 26, 2010
   • 27 replies
   • 5k views
   • 
   • DEBRO
   • August 12, 2010

3. PAL frame timing

   By doppel, July 22, 2010
   • 2 replies
   • 3k views
   • 
   • nichtsnutz
   • July 23, 2010

4. WSYNC strobe on a 7800?

   By Robert M, June 9, 2010
   • 5 replies
   • 2.3k views
   • 
   • EricBall
   • June 11, 2010

5. basic Q about character maps..

   By ceti331, April 24, 2010
   • 9 replies
   • 2.5k views
   • 
   • ceti331
   • April 26, 2010

6. CharMapper78 Debug build test beta v.11-18-2008

   By Gorf, November 19, 2008
   • 7 replies
   • 2.8k views
   • 
   • keystone_kelly
   • April 16, 2010

7. 7800 question

   By keystone_kelly, April 15, 2010
   • 10 replies
   • 2.3k views
   • 
   • keystone_kelly
   • April 16, 2010

8. Question about VBLANK

   By PacManPlus, March 11, 2010
   • 5 replies
   • 2.1k views
   • 
   • DEBRO
   • March 12, 2010

9. 7800 DevCard

   By kamakazi, August 20, 2008
   • 21 replies
   • 4.1k views
   • 
   • Shawn
   • February 28, 2010

10. Label Art

    By kamakazi, February 19, 2010
    • 7 replies
    • 2.3k views
    • 
    • kamakazi
    • February 21, 2010

11. Colour picking

    By GroovyBee, January 13, 2010
    • 9 replies
    • 3.3k views
    • 
    • gdement
    • January 15, 2010

12. 16 bit signed multiply for 6502?

    By Gorf, January 5, 2010
    • 2 replies
    • 4.1k views
    • 
    • Gorf
    • January 6, 2010

13. Good practices before enabling interrupts?

    By Propane13, September 12, 2007
    • 3 replies
    • 3.6k views
    • 
    • Bruce Tomlin
    • December 3, 2009

14. 7800 DevOS par port transfer throughput

    By selgus, July 29, 2009
    • 2 replies
    • 2.6k views
    • 
    • selgus
    • July 30, 2009

15. Improving the emulators

    By GroovyBee, June 8, 2009
    • 6 replies
    • 3.9k views
    • 
    • Kr0tki
    • July 8, 2009

16. Wanted - POKEY sound effects

    By GroovyBee, June 20, 2009
    • 4 replies
    • 2.3k views
    • 
    • GroovyBee
    • June 24, 2009

17. Maria revision differences

    By gdement, May 20, 2009
    • 1 reply
    • 2.2k views
    • 
    • GroovyBee
    • May 20, 2009

18. 7800 NTSC colour bitmap

    By GroovyBee, May 8, 2009
    • 1 reply
    • 5.6k views
    • 
    • Bakasama
    • May 9, 2009

19. 7800 101?

    By Primordial Ooze, April 8, 2009
    • 5 replies
    • 2.9k views
    • 
    • Curt Vendel
    • May 5, 2009

20. 7800 Development 2

    By kamakazi, February 26, 2009
    • 13 replies
    • 4.1k views
    • 
    • kamakazi
    • March 26, 2009

21. Happy New Year

    By kenfused, January 1, 2009
    • 2 replies
    • 2.1k views
    • 
    • kenfused
    • January 10, 2009

22. I need a program to change title screens

    By gambler172, December 28, 2008
    • 0 replies
    • 1.7k views
    • 
    • gambler172
    • December 28, 2008

23. a78sign can't be run in DOS mode?

    By Wickeycolumbus, December 20, 2008
    • 7 replies
    • 2.5k views
    • 
    • Wickeycolumbus
    • December 20, 2008

24. Source code for 7800 version of Ballblazer

    By selgus, December 15, 2008
    • 0 replies
    • 2.1k views
    • 
    • selgus
    • December 15, 2008

25. Crazy Ace wins!

    By Gorf, December 12, 2008
    • 2 replies
    • 2.1k views
    • 
    • Gorf
    • December 15, 2008

26. Beef Drop

    By kenfused, August 20, 2007
    • 8 replies
    • 4.9k views
    • 
    • kenfused
    • November 27, 2008

27. maria.h?

    By Mord, November 25, 2008
    • 3 replies
    • 2.3k views
    • 
    • Mitch
    • November 25, 2008

28. What is considered a normal cart size for 7800?

    By Gorf, November 8, 2008
    • 21 replies
    • 3.4k views
    • 
    • Gorf
    • November 18, 2008

29. Getting my head around DL's

    By Gorf, November 3, 2008
    • 12 replies
    • 2.7k views
    • 
    • Gorf
    • November 10, 2008

30. Color Chart and Graphics...

    By Wickeycolumbus, October 10, 2008
    • 2 replies
    • 2.1k views
    • 
    • gdement
    • October 17, 2008

31. Help needed with High Score Cart

    By PacManPlus, September 15, 2008
    • 2 replies
    • 2.4k views
    • 
    • PacManPlus
    • September 15, 2008

32. 7800 Scrolling

    By DanBoris, August 23, 2008
    • 0 replies
    • 2.4k views
    • 
    • DanBoris
    • August 23, 2008

33. Assembleing with DASM

    By Wickeycolumbus, August 9, 2008
    • 5 replies
    • 2.8k views
    • 
    • DanBoris
    • August 9, 2008

34. OK, Here it is (DL & DLL Template)

    By PacManPlus, July 24, 2008
    • 11 replies
    • 4.5k views
    • 
    • Gorf
    • July 29, 2008

35. Logistical question about programming Maria

    By Bryan, July 4, 2008
    • 2 replies
    • 2.7k views
    • 
    • vdub_bobby
    • July 24, 2008

36. Help with generic display list (character mode)

    By PacManPlus, July 21, 2008
    • 2 replies
    • 2.1k views
    • 
    • PacManPlus
    • July 21, 2008

37. 7800 uses an undocumented Sally pin.

    By Bryan, July 6, 2008
    • 3 replies
    • 2.6k views
    • 
    • Bryan
    • July 7, 2008

38. Function to Auto-Build Display List List

    By PacManPlus, July 7, 2008
    • 0 replies
    • 2.2k views
    • 
    • PacManPlus
    • July 7, 2008

39. 7800/6502 Hardware Questions 1 2

    By jbanes, April 5, 2006
    • 31 replies
    • 13.2k views
    • 
    • supercat
    • May 17, 2008

40. high score cart

    By Shannon, May 2, 2008
    • 1 reply
    • 2.3k views
    • 
    • Mitch
    • May 2, 2008

41. Illegal Opcodes on the 7800

    By vdub_bobby, April 21, 2008
    • 3 replies
    • 2.6k views
    • 
    • gdement
    • April 23, 2008

42. Tutorial

    By Primordial Ooze, April 3, 2008
    • 2 replies
    • 2.4k views
    • 
    • Wickeycolumbus
    • April 4, 2008

43. Command, Crossbow, Super Stunt Cycle Sources

    By Curt Vendel, February 9, 2008
    • 1 reply
    • 2.6k views
    • 
    • AtariHacker
    • February 20, 2008

44. Is there any way to make the 'Border' a different color than the background

    By PacManPlus, September 7, 2007
    • 3 replies
    • 3.2k views
    • 
    • Robert M
    • September 14, 2007

45. With regard to the stack

    By Propane13, September 13, 2007
    • 1 reply
    • 2.5k views
    • 
    • Robert M
    • September 14, 2007

46. Little Displaylist Text Tool

    By Schmutzpuppe, March 31, 2006
    • 3 replies
    • 3.9k views
    • 
    • Schmutzpuppe
    • August 30, 2007

47. Question about turning a sprite slowly :-/ (Asteroids Deluxe related)

    By PacManPlus, June 30, 2007
    • 8 replies
    • 4k views
    • 
    • PacManPlus
    • July 11, 2007

48. Watkins - 7800 High-score-cart source code

    By Allan, June 25, 2007
    • 2 replies
    • 2.6k views
    • 
    • Allan
    • June 26, 2007

49. Official 7800 Development Kit

    By OldStuff, May 26, 2007
    • 0 replies
    • 2.9k views
    • 
    • OldStuff
    • May 26, 2007

50. Does the 6532 (RIOT) timer run stable?

    By gdement, May 5, 2007
    • 5 replies
    • 4.1k views
    • 
    • EricBall
    • May 14, 2007