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DanBoris' Tech Blog



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OSS Action!

Posted by DanBoris, 02 November 2008 · 94 views

One of my favorite programming languages for the Atari 8-bit computers is OSS Action!. Action is a compiled, structured programming language similar to C or Pascal. One of the impressive features of Action is it’s very fast an efficient compiler. Not only does it compile...


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7800 Fine Scrolling

Posted by DanBoris, 23 August 2008 · 47 views

I’ve recently been doing some research into how scrolling games work on the 7800. I have created a demo program that shows a method for doing horizontal and vertical fine scrolling controlled with the player one joystick. I’ve tested this program on an emulator but on the actual hardware. The attached ZIP files contains the source and binary that...


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7800 Control Register

Posted by DanBoris, 25 July 2008 · 42 views

Occasionally questions come up about the special “hidden” control register in the 7800, and I usually end up searching back through the forum archive for the answer, so I thought I’d finally document it somewhere I can find it!

The purpose of this control register is to switch the 7800 from 7800 mode to 2600 mode. The register can be written...


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Telengard

Posted by DanBoris, 08 June 2008 · 109 views

One of the games I remember from the good old days with my Atari 800 computer is the dungeon crawler Telengard by Avalon Hill. The game was written in Basic so I thought it would be interesting to take a look at the code for the game. One of the most interesting parts is the way the maze if generated. The dungeon in the game is very large, it has...


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Website Update

Posted by DanBoris, 30 June 2007 · 48 views

I've just added a Pong page to my website http://www.atarihq.com/danb/ that includes my Pong simulator as well as an updated set a schematics.






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