Atari 7800 Programming

740 topics in this forum

1. What is the future of sound chips?

   By karri, February 2
   • 22 replies
   • 1.2k views
   • 
   • R_Leo_1
   • April 5

2. What tools do people use for drawing static images?

   By Propane13, March 29
   • 3 replies
   • 314 views
   • 
   • Muddyfunster
   • March 29

3. A78 header changes 1 2 3 4 10

   By GroovyBee, March 27, 2010
   • 248 replies
   • 23.9k views
   • 
   • RevEng
   • March 25

4. Need a really fast dynamic DL build routine, for 24-high sprites...

   By PacManPlus, March 21
   • 9 replies
   • 344 views
   • 
   • PacManPlus
   • March 21

5. DMA Masking - an alternative to modifying CHARBASE when vertically scrolling 1 2

   By RevEng, May 2, 2020
   • 32 replies
   • 2.4k views
   • 
   • PacManPlus
   • March 19

6. Home Run Baseball

   By Atarius Maximus, March 13
   • 14 replies
   • 900 views
   • 
   • saxmeister
   • March 18

7. Bits and Bytes: My 7800 programming tests and demos 1 2 3

   By saxmeister, February 18, 2022
   • 62 replies
   • 5.3k views
   • 
   • saxmeister
   • March 14

8. Ducks Away (WIP) 1 2

   By SmittyB, December 31, 2023
   • 33 replies
   • 1.9k views
   • 
   • KrunchyTC
   • March 13

9. Frantic Fisher

   By saxmeister, January 28
   • 18 replies
   • 747 views
   • 
   • saxmeister
   • March 13

10. 7800basic - random number seeder?

    By Dauber, June 5, 2018
    • 7 replies
    • 1.5k views
    • 
    • saxmeister
    • March 8

11. Ok, Apparently I'm a bit rusty... Need help with scrolling issue please. :P

    By PacManPlus, February 13
    • 16 replies
    • 757 views
    • 
    • sramirez2008
    • February 16

12. Trackball programming

    By karri, February 15
    • 2 replies
    • 185 views
    • 
    • karri
    • February 15

13. "Fatal error: Device Atari 7800 Cartridge Slot load failed" when trying to build with dasm / 7800asm

    By l12n, February 11
    • 6 replies
    • 414 views
    • 
    • l12n
    • February 11

14. Plumb Luck DX 1 2 3 4

    By SmittyB, August 22, 2021
    • 98 replies
    • 13.2k views
    • 
    • SmittyB
    • February 6

15. DF cart test

    By RevEng, January 21
    • 2 replies
    • 293 views
    • 
    • RevEng
    • January 21

16. 7800basic Elegant Variable Management Tips

    By Karl G, January 19   

    • 7800basic
    • 8 replies
    • 314 views
    • 
    • Karl G
    • January 20

17. Has anyone built on an ARM mac?

    By Propane13, April 19, 2022
    • 6 replies
    • 485 views
    • 
    • Propane13
    • January 20

18. Balance

    By fultonbot, December 22, 2023
    • 6 replies
    • 696 views
    • 
    • ZeroPage Homebrew
    • January 9

19. Eighty-Six Sprites [was "Sixty-Nine" Sprites] 1 2

    By RevEng, September 8, 2023
    • 29 replies
    • 2.5k views
    • 
    • Eagle
    • January 3

20. Atari 7800 Homebrew Games Released/Completed/WIP in 2023 1 2 3 4 5

    By ZeroPage Homebrew, January 1, 2023
    • 120 replies
    • 17.7k views
    • 
    • ZeroPage Homebrew
    • January 2

21. Atari 7800 Homebrew: Into The Void / Number Crusher 1 2 3 4 6

    By fultonbot, July 23, 2020
    • 132 replies
    • 13.9k views
    • 
    • fultonbot
    • December 23, 2023

22. Retro Adventures ..was Cart connector OE pin?

    By karri, October 18, 2023
    • 15 replies
    • 825 views
    • 
    • karri
    • December 19, 2023

23. Death Merchant - Final Version 1 2 3

    By Atarius Maximus, August 6, 2017
    • 53 replies
    • 11.5k views
    • 
    • Trebor
    • December 19, 2023

24. Freeway 7800 1 2 3

    By saxmeister, October 1, 2022
    • 54 replies
    • 4.2k views
    • 
    • doug0909
    • December 3, 2023

25. Using alphachars ASCII

    By Sprybug, November 23, 2023
    • 4 replies
    • 563 views
    • 
    • Sprybug
    • November 23, 2023

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

    By Revontuli, December 5, 2019
    • 245 replies
    • 24.3k views
    • 
    • Revontuli
    • November 11, 2023

27. GoSub (WIP) 1 2 3 4 11

    By atari2600land, May 28, 2019
    • 262 replies
    • 20.4k views
    • 
    • ZeroPage Homebrew
    • November 10, 2023

28. 7800 Development Wiki at 8bitdev.org

    By RevEng, December 23, 2015
    • 16 replies
    • 2.5k views
    • 
    • JAC!
    • October 31, 2023

29. Atari robot CES demo 1 2

    By playsoft, February 25, 2021
    • 26 replies
    • 2.8k views
    • 
    • playsoft
    • October 31, 2023

30. Robot Zed 7800 first demo and progress 1 2

    By Sprybug, October 22, 2023
    • 26 replies
    • 1.6k views
    • 
    • Sprybug
    • October 27, 2023

31. Complete POKEY note table for all distortion settings

    By Synthpopalooza, September 18, 2013
    • 20 replies
    • 6.4k views
    • 
    • rdefabri
    • October 16, 2023

32. Need help fixing the sprite palettes in this hack I did.

    By Bubbabyte, October 5, 2023
    • 0 replies
    • 355 views
    • 
    • Bubbabyte
    • October 5, 2023

33. atari7800 target is now officially in cc65

    By karri, March 20, 2022
    • 16 replies
    • 1.4k views
    • 
    • karri
    • October 1, 2023

34. The Adventures of Eclipse - Side-Scrolling Plaformer for the 7800

    By Revontuli, February 22, 2023
    • 9 replies
    • 1.4k views
    • 
    • Revontuli
    • September 29, 2023

35. "Harpy's Curse" - A MetroidVania for the 7800 (Beta version now available!) 1 2 3 4 7

    By Revontuli, March 3, 2022
    • 153 replies
    • 11.4k views
    • 
    • Revontuli
    • September 21, 2023

36. I RAN 7800

    By vhzc, April 29, 2023
    • 21 replies
    • 1.9k views
    • 
    • Thomas Jentzsch
    • September 15, 2023

37. DragonFly and cc7800

    By bsteux, September 5, 2023
    • 8 replies
    • 743 views
    • 
    • Trebor
    • September 8, 2023

38. Using negative values in plotsprite

    By Tickled_Pink, August 15, 2023   

    • 7800basic
    • 4 replies
    • 476 views
    • 
    • Tickled_Pink
    • September 6, 2023

39. 7800 hardware facts 1 2

    By RevEng, April 6, 2014
    • 41 replies
    • 9.5k views
    • 
    • KrunchyTC
    • August 31, 2023

40. Graphics Demo of Congo Bongo 1 2

    By splendidnut, March 6, 2021
    • 30 replies
    • 3.9k views
    • 
    • Tidus79001
    • August 20, 2023

41. Legend of Silverpeak RPG 1 2 3 4 5

    By Atarius Maximus, January 1, 2018
    • 106 replies
    • 18.1k views
    • 
    • Karl G
    • August 16, 2023

42. Wormy demo (320B mode)

    By supercat, April 15, 2007
    • 6 replies
    • 4k views
    • 
    • saxmeister
    • August 5, 2023

43. Making use of official 7800 source code: where do I start?

    By chilistudios, July 28, 2023
    • 1 reply
    • 415 views
    • 
    • saxmeister
    • July 31, 2023

44. Slightly dumb question: What key activates fire in a7800 emulator?

    By Tickled_Pink, July 23, 2023
    • 2 replies
    • 361 views
    • 
    • Atarius Maximus
    • July 27, 2023

45. Danger Zone [DONE] 1 2 3 4

    By Muddyfunster, October 20, 2020
    • 90 replies
    • 12.4k views
    • 
    • Muddyfunster
    • July 22, 2023

46. QuadTari 7800Basic code demo

    By Karl G, July 11, 2023
    • 6 replies
    • 665 views
    • 
    • RevEng
    • July 13, 2023

47. Emulator Glitch Help on Keystone Koppers 1 2 3

    By wavemotion, October 22, 2022
    • 51 replies
    • 1.8k views
    • 
    • Muddyfunster
    • July 13, 2023

48. Norton fussing over Atari Dev Studio?

    By Razzie.P, July 10, 2023
    • 1 reply
    • 305 views
    • 
    • Muddyfunster
    • July 10, 2023

49. Noob 7800 Basic question - what happened to IF ... AND? Is it possible?

    By Tickled_Pink, July 4, 2023
    • 2 replies
    • 527 views
    • 
    • Tickled_Pink
    • July 4, 2023

50. Plotmapfile didn't find a palette in 7800basic

    By Sprybug, June 21, 2023
    • 5 replies
    • 615 views
    • 
    • Bentastic64
    • June 24, 2023