Supercharger Notes
by Christopher Salomon, 16-Jun-97.
Notes concerning tape formats, Supercharger RAM, and bankswitching.
Sound Frequency and Waveform Guide
by Eckhard Stolberg, updated 22-Jun-97. This file contains, so far,
the most complete information available on the 2600's sound hardware.
This chart lists every distortion's approximate note value where
applicable, and contains some extra technical information. Also see
an earlier version done by Glenn Saunders in
April.
Guide to Cycle Counting
Updated 4/3/97.
My first programming document. The easy way to deal with a few of the
timing issues of the 6502 and TIA.
How to Draw a Playfield
Updated 9/10/98. Covers concepts of program flow on an Atari 2600, as well
as an in-depth look at a simple display routine. Compiles with DASM, so feel
free to experiment with it; filter all the lines that begin with ';' to get
a compact source listing.
VCS.H
- The one used in Dark Mage. The one I used to use sucks.
6502 information... an off-site link to a file on the Wiretap
archive. This is a very advanced document, and starts out by talking
about undocumented opcodes. I'll put up a more introductory document
when I find one.
Big Sprite Move Demo by Eckhard Stolberg - a proof of concept
demo that allows one to move a 48-bit player object around the screen,
both horizontally and vertically. Download the
source code or just play with the
BIN file. To compile with DASM, simply
replace all .DB statements with .BYTE statements.
off-site. Over 700K.
Get Acrobat Reader here.
