Atari 7800 Programming

528 topics in this forum

1. Atari 7800 Homebrew Completed/WIP in 2021 1 2 3 4 6

   By ZeroPage Homebrew, January 3
   • 130 replies
   • 6,004 views
   • 
   • ZeroPage Homebrew
   • 16 hours ago

2. 7800basic beta, the release thread 1 2 3 4 43

   By RevEng, March 1, 2014
   • 1,064 replies
   • 111,458 views
   • 
   • Karl G
   • 21 hours ago

3. High Score Cart Values 1 2 3 4

   By PacManPlus, July 7, 2008
   • 78 replies
   • 26,485 views
   • 
   • PacManPlus
   • April 25

4. Unresolved symbol list in 7800basic

   By Tigarion, 22 hours ago
   • 3 replies
   • 56 views
   • 
   • Muddyfunster
   • 3 hours ago

5. Best way to break out of a For/Next loop?

   By fultonbot, June 1
   • 14 replies
   • 219 views
   • 
   • fultonbot
   • Thursday at 11:07 PM

6. WIP Wizard's Dungeon 1 2 3 4 7

   By BydoEmpire, December 31, 2020
   • 152 replies
   • 5,805 views
   • 
   • GoldLeader
   • Sunday at 05:55 PM

7. Unpacking compressed data from ROM to RAM

   By mksmith, June 5   

   • 7800basic
   • 7 replies
   • 209 views
   • 
   • mksmith
   • June 6

8. My 7800 Vertical Shooter - Heofonfīr 1 2 3 4 6

   By SlidellMan, June 8, 2020   

   • vertical scrolling
   • 7800basic
   • (and 3 more)

     Tagged with:

     • vertical scrolling
     • 7800basic
     • shmup
     • homebrew game
     • homebrew demo
   • 132 replies
   • 7,752 views
   • 
   • SlidellMan
   • June 5

9. 32KRAM Valid?

   By fultonbot, June 3
   • 4 replies
   • 103 views
   • 
   • RevEng
   • June 4

10. Doublewide change on the fly?

    By Muddyfunster, November 17, 2020
    • 10 replies
    • 367 views
    • 
    • Muddyfunster
    • June 1

11. E.X.O. [WIP] 1 2 3 4 15

    By Muddyfunster, July 25, 2020
    • 358 replies
    • 15,004 views
    • 
    • mksmith
    • May 31

12. Help with Atari 7800 Basic

    By bjbell52, May 31
    • 2 replies
    • 55 views
    • 
    • bjbell52
    • May 31

13. Knight Guy: Quest for Something.

    By vhzc, April 24
    • 18 replies
    • 838 views
    • 
    • aaron1677
    • May 28

14. BupSystem 1 2 3 4

    By TailChao, December 11, 2018
    • 94 replies
    • 10,736 views
    • 
    • Atari Nut
    • May 27

15. Slide Boy in Maze Land 7800 version 1 2

    By vhzc, May 2
    • 47 replies
    • 1,517 views
    • 
    • -^CrossBow^-
    • May 26

16. Iron Grip: Destroyer Of Worlds 1 2

    By fultonbot, May 17
    • 25 replies
    • 531 views
    • 
    • gambler172
    • May 24

17. 7800basic Modulus

    By R_Leo_1, December 28, 2019
    • 13 replies
    • 436 views
    • 
    • Bradsco
    • May 21

18. Atari 7800 Monitor Cart Examples/Subroutines

    By ballyalley, December 12, 2019   

    • atari 7800
    • monitor cart
    • (and 2 more)

      Tagged with:

      • atari 7800
      • monitor cart
      • 6502 programming
      • assembly language
    • 4 replies
    • 607 views
    • 
    • ballyalley
    • May 18

19. Spire of the Ancients (WIP) 1 2 3 4 21

    By SmittyB, August 29, 2016   

    • 3d
    • demo
    • (and 1 more)

      Tagged with:

      • 3d
      • demo
      • maze
    • 511 replies
    • 40,750 views
    • 
    • SlidellMan
    • May 14

20. Apple Panic

    By bjbell52, April 22   

    • 7800
    • games
    • 12 replies
    • 525 views
    • 
    • SlidellMan
    • May 13

21. 7800blocdrop disassembly

    By RevEng, April 24
    • 3 replies
    • 239 views
    • 
    • swapd0
    • April 29

22. Graphics Demo of Congo Bongo 1 2

    By splendidnut, March 6
    • 29 replies
    • 1,494 views
    • 
    • TrekMD
    • April 19

23. Dragon's Cache - Vs. Puzzle Drop Game - Now Available for Purchase!!! 1 2 3 4 10

    By Revontuli, December 5, 2019
    • 236 replies
    • 12,342 views
    • 
    • electronicsibley
    • April 17

24. 7800 assembly "hello world"?

    By Karl G, March 24
    • 8 replies
    • 409 views
    • 
    • Eagle
    • April 16

25. Shatneroids (Graphic Hack) 1 2

    By frankodragon, July 17, 2014   

    • Graphic Hack
    • Atari 7800
    • 35 replies
    • 6,050 views
    • 
    • toiletunes
    • April 15

26. Displaying larger decimal values / converttobcd()

    By BydoEmpire, April 15
    • 3 replies
    • 118 views
    • 
    • RevEng
    • April 15

27. My experiments with Atari 7800 1 2 3

    By Eagle, January 17   

    • asm
    • mads
    • 64 replies
    • 2,825 views
    • 
    • -^CrossBow^-
    • April 13

28. 160B Mode 7800Basic ERROR, plotmapfile didn't find a palette

    By Lavalamp, April 6   

    • 7800basic
    • plotmapfile
    • (and 2 more)

      Tagged with:

      • 7800basic
      • plotmapfile
      • palette
      • 160b
    • 4 replies
    • 206 views
    • 
    • Karl G
    • April 8

29. Mario Bros + POKEY: Does It Exist? 1 2 3

    By DrVenkman, March 11
    • 60 replies
    • 2,584 views
    • 
    • darryl1970
    • April 5

30. Dragonfly Pokeymax Covox 1 2

    By playsoft, March 27
    • 40 replies
    • 1,336 views
    • 
    • playsoft
    • April 5

31. Cart sizes

    By Karl G, April 3
    • 8 replies
    • 316 views
    • 
    • Karl G
    • April 4

32. Demos and Half-baked Ideas 1 2

    By Karl G, March 3
    • 27 replies
    • 1,028 views
    • 
    • gambler172
    • April 4

33. I (re)Discovered A Maria Bug

    By RevEng, April 1
    • 1 reply
    • 306 views
    • 
    • RevEng
    • April 2

34. Dungeon Stalker - a new Atari 7800 Game 1 2 3 4 6

    By Atarius Maximus, April 1, 2015   

    • High Score Cart Support
    • AtariVox speech/save support
    • 125 replies
    • 27,865 views
    • 
    • ZeroPage Homebrew
    • April 1

35. Atari 7800 Homebrew: Into The Void / Number Crusher 1 2 3 4 5

    By fultonbot, July 23, 2020
    • 119 replies
    • 5,431 views
    • 
    • ZeroPage Homebrew
    • April 1

36. No 7800basic forum section like batari BASIC?

    By Gemintronic, March 30
    • 3 replies
    • 169 views
    • 
    • fultonbot
    • March 31

37. Bomber Hero (WIP) 1 2 3 4 7

    By TwentySixHundred, January 7
    • 164 replies
    • 6,771 views
    • 
    • TwentySixHundred
    • March 28

38. My other 7800 Basic Demos

    By SlidellMan, March 18   

    • 7800basic
    • shmup
    • (and 2 more)

      Tagged with:

      • 7800basic
      • shmup
      • platformer
      • homebrew demo
    • 1 reply
    • 264 views
    • 
    • SlidellMan
    • March 27

39. A Roach in Space part II: Cosmic Bugaloo (wip)

    By vhzc, October 16, 2020
    • 24 replies
    • 1,471 views
    • 
    • SlidellMan
    • March 27

40. BACKGRND ?

    By fultonbot, March 23
    • 9 replies
    • 285 views
    • 
    • fultonbot
    • March 25

41. Morf [WIP] 1 2

    By Lavalamp, September 11, 2020   

    • 7800
    • morf
    • (and 4 more)

      Tagged with:

      • 7800
      • morf
      • color
      • tilesets
      • sprites
      • 7800basic
    • 43 replies
    • 2,356 views
    • 
    • Lavalamp
    • March 22

42. Headerless Defaults

    By Robbbert, March 18
    • 4 replies
    • 140 views
    • 
    • Robbbert
    • March 19

43. Sprites getting chopped

    By BydoEmpire, March 18
    • 12 replies
    • 225 views
    • 
    • BydoEmpire
    • March 18

44. Danger Zone [DONE] 1 2 3

    By Muddyfunster, October 20, 2020
    • 74 replies
    • 4,162 views
    • 
    • Muddyfunster
    • March 17

45. hitting TIA WSYNC in 7800 mode (a pointless curiosity)

    By RevEng, March 14
    • 2 replies
    • 179 views
    • 
    • RevEng
    • March 14

46. Atari robot CES demo

    By playsoft, February 25
    • 20 replies
    • 952 views
    • 
    • rensoup
    • March 12

47. Plotchars from pointer

    By mksmith, March 10
    • 3 replies
    • 265 views
    • 
    • mksmith
    • March 10

48. Does the Sega Genesis start button harm the Atari 7800?

    By Jarod, March 2
    • 1 reply
    • 188 views
    • 
    • Gemintronic
    • March 6

49. Display Mode Question 1 2

    By CloakeD, October 29, 2020
    • 36 replies
    • 2,415 views
    • 
    • CloakeD
    • March 5

50. Creating 7800basic compatible maps with the Tiled app

    By Atarius Maximus, July 15, 2014
    • 12 replies
    • 3,047 views
    • 
    • Mord
    • March 1