Atari 7800 Programming

523 topics in this forum

1. Best way to get Tiled maps to 7800basic with palettes- and retaining pokechar- capabiliy?

   By Turbo Laser Lynx, October 14, 2020
   • 10 replies
   • 299 views
   • 
   • mksmith
   • October 18, 2020

2. My 9 year old programs first game! Not 7800.

   By tep392, July 8, 2014
   • 10 replies
   • 1,879 views
   • 
   • Cafeman
   • April 13, 2016

3. Trying to get sample working

   By xucaen, January 1, 2015
   • 10 replies
   • 1,274 views
   • 
   • xucaen
   • October 22, 2015

4. Soccer games for the 7800

   By gambler172, June 14, 2014
   • 10 replies
   • 2,266 views
   • 
   • gambler172
   • June 22, 2014

5. Pointless fun with "10 PRINT CHR$(205.5+RND(1));:GOTO10"

   By Atarius Maximus, August 26, 2017
   • 10 replies
   • 1,926 views
   • 
   • RevEng
   • August 28, 2017

6. 7800 question

   By keystone_kelly, April 15, 2010
   • 10 replies
   • 2,130 views
   • 
   • keystone_kelly
   • April 16, 2010

7. Colour picking

   By GroovyBee, January 13, 2010
   • 9 replies
   • 3,017 views
   • 
   • gdement
   • January 15, 2010

8. Programmers. Want an autograph cartridge?

   By neotokeo2001, August 9, 2014
   • 9 replies
   • 1,197 views
   • 
   • Jinks
   • September 28, 2014

9. Doublewide change on the fly?

   By Muddyfunster, November 17, 2020
   • 9 replies
   • 310 views
   • 
   • mksmith
   • December 1, 2020

10. Any 7800 tinkerer without a SaveKey?

    By CPUWIZ, June 10, 2017
    • 9 replies
    • 1,167 views
    • 
    • Lynxpro
    • August 5, 2017

11. TwentySixHundreds 7800 thread

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

12. Supporting Numbers > 255 and Fixed Numbers with greater precision

    By M12, August 18, 2015   

    • fixed numbers
    • precision
    • (and 4 more)

      Tagged with:

      • fixed numbers
      • precision
      • multiplication
      • division
      • large numbers
      • trigonometry
    • 9 replies
    • 1,058 views
    • 
    • CPUWIZ
    • August 28, 2015

13. If you code for the 7800... READ!

    By Curt Vendel, June 11, 2009
    • 9 replies
    • 4,735 views
    • 
    • Lynxpro
    • November 14, 2013

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

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

15. Where to put the Display List?

    By xucaen, October 24, 2015
    • 9 replies
    • 1,373 views
    • 
    • EricBall
    • October 26, 2015

16. Help with Corrupted Graphics

    By BydoEmpire, February 6
    • 9 replies
    • 238 views
    • 
    • Mord
    • February 8

17. special graphics or maximum color/resolution

    By TXG/MNX, September 15, 2014
    • 9 replies
    • 1,608 views
    • 
    • Trebor
    • September 18, 2014

18. 7800 ProSystem Emulation and DASM.

    By JohnnyRockets, June 4, 2012
    • 9 replies
    • 2,008 views
    • 
    • EricBall
    • June 13, 2012

19. Memory Map and accessing offset > 255

    By mksmith, July 25, 2019   

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

20. BACKGRND ?

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

21. basic Q about character maps..

    By ceti331, April 24, 2010
    • 9 replies
    • 2,278 views
    • 
    • ceti331
    • April 26, 2010

22. Atari ST or Amiga Mouse on 7800. Possible?

    By Synthpopalooza, June 23, 2017
    • 9 replies
    • 1,451 views
    • 
    • Lynxpro
    • August 5, 2017

23. Wormy for the 7800

    By EricBall, July 7, 2005
    • 9 replies
    • 5,458 views
    • 
    • EricBall
    • July 15, 2005

24. Cubicle Chaos

    By frankodragon, December 4, 2014   

    • 7800Basic
    • 9 replies
    • 2,082 views
    • 
    • frankodragon
    • December 7, 2014

25. External sound chips other than the POKEY

    By ApolloBoy, February 20, 2007
    • 9 replies
    • 3,755 views
    • 
    • Bruce Tomlin
    • February 28, 2007

26. assemblers for 7800

    By ~llama, September 10, 2005
    • 8 replies
    • 5,334 views
    • 
    • peteym5
    • January 17, 2015

27. 7800 assembly "hello world"?

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

28. 7800 PAL ROBOTRON development

    By Blue Azure, February 7, 2013
    • 8 replies
    • 1,633 views
    • 
    • robotrondev
    • November 26, 2013

29. Some "Versus" Questions

    By Cybearg, October 27, 2014
    • 8 replies
    • 1,106 views
    • 
    • EricBall
    • October 28, 2014

30. Detecting POKEY

    By GroovyBee, July 5, 2009
    • 8 replies
    • 3,020 views
    • 
    • GroovyBee
    • June 21, 2011

31. making sprites for 7800 basic in photoshop?

    By Savage38, October 8, 2016
    • 8 replies
    • 1,321 views
    • 
    • Savage38
    • October 20, 2016

32. 7800basic strange variable behaviour

    By Dalta, March 11, 2019   

    • 7800basic
    • 8 replies
    • 753 views
    • 
    • Dalta
    • April 14, 2019

33. Let's get this party started

    By Retro Lord, February 15, 2015
    • 8 replies
    • 1,241 views
    • 
    • frankodragon
    • February 21, 2015

34. 78hdr.exe not compatible with windows 7 64?

    By xucaen, January 1, 2015
    • 8 replies
    • 906 views
    • 
    • RevEng
    • January 1, 2015

35. Running out of render time?

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

36. 7800 PAL BIOS

    By DanBoris, August 11, 2005
    • 8 replies
    • 8,189 views
    • 
    • Bruce Tomlin
    • August 11, 2005

37. Using Indirect Variable Arrays

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

38. Pseudo Vertical Scrolling Demo - "The Art of Scrolling Without Scrolling"

    By SmittyB, June 3, 2020
    • 8 replies
    • 509 views
    • 
    • SmittyB
    • June 6, 2020

39. Cart sizes

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

40. Accessing alphadata tables when bankswitching

    By TwentySixHundred, August 7, 2020
    • 8 replies
    • 216 views
    • 
    • TwentySixHundred
    • August 8, 2020

41. How to use tiles & Maps

    By Lavalamp, September 23, 2018   

    • 7800
    • BASIC
    • (and 3 more)

      Tagged with:

      • 7800
      • BASIC
      • Tile
      • Map
      • 7800Basic
    • 8 replies
    • 405 views
    • 
    • Lavalamp
    • September 25, 2018

42. Atari 8-bit to 7800 porting questions

    By peteym5, January 17, 2015
    • 8 replies
    • 2,044 views
    • 
    • RevEng
    • March 3, 2017

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

    By PacManPlus, June 30, 2007
    • 8 replies
    • 3,908 views
    • 
    • PacManPlus
    • July 11, 2007

44. Inconsistent Graphics

    By Karl G, August 16, 2019   

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

45. Coneay's Game of Life

    By gambler172, February 28, 2015
    • 8 replies
    • 1,256 views
    • 
    • danwinslow
    • July 23, 2015

46. Showing 2x Sprites?

    By PacManPlus, May 15, 2005
    • 8 replies
    • 6,112 views
    • 
    • supercat
    • June 21, 2005

47. Beef Drop

    By kenfused, August 20, 2007
    • 8 replies
    • 4,611 views
    • 
    • kenfused
    • November 27, 2008

48. alphachars ASCII in 160A mode

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

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

    By R_Leo_1, May 27, 2019   

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

50. What do the last 8 bytes in a ROM mean?

    By PacManPlus, October 12, 2006
    • 7 replies
    • 3,609 views
    • 
    • Bruce Tomlin
    • October 14, 2006