VCS (2600) Programming

Schematics, Component layouts and port/connector pin-outs

Title	Description	Date
The Stella Programmers Guide	The official programmers guide for the Atari 2600, by Steve Wright	March 1979
The Stella Programmers Guide (Updated)	The official programmers guide for the Atari 2600, by Steve Wright and updated by Darren May	7 May 1988
TIA Manual	The official Atari manual for the Television Interface Adapter (TIA) chip	1977?
TIA Info	Some detailed notes on the workings of the TIA, by Andrew Towers	March 2003
VCS Programming 101	A programming tutorial by Kirk Israel	April 2004
Cycle-Counting on the 6502	Nick Bensema's Guide to Cycle Counting on the Atari 2600 version 0.5a	17 July 1996
Changing Atari VCS Graphics	An article from the April 1999 issue of Orphaned Computers & Game Systems, Volume II, Issue 9. Copyright 1999 By Adam Trionfo and Chris Federico	1999
How to Draw a Playfield	by Nick Bensema	10 Sep 1998
Sound Frequency and Waveform Guide	by Eckhard Stolberg	22 Jun 1997

 

VCS (2600) Disassembled Code

Disassembly of some Atari VCS ROM code

Title	Description	Date
Big Sprite Move Demo	Demonstration code for moving a big sprite	-
Adventure ROM disassembly	Assembler code for the game Adventure	1994
Combat ROM disassembly	Assembler code for the game Combat, by Larry Wagner	1997
Defender ROM disassembly	Assembler code for the game Defender	-
Freeway ROM disassembly	Assembler code for the game Freeway	-

Peripherals

Original documents written by third-party manufacturers of Atari peripherals.

Title	Description	Date
Starpath Supercharger	Detailed info on the Supercharger peripheral	March 1997

Schematics

Schematic diagrams written by third-parties.

Title	Description	Date
Audio/Video circuit	Schematic diagram of the A/V circuitry of the Atari 2600 Revision 13	?
Main Logic circuit	Schematic diagram of the main logic circuitry of the Atari 2600 Revision 13	?
Ports/Switches circuit	Schematic diagram of the ports and switches of the Atari 2600 Revision 1.3	?
Power/Clock circuit	Schematic diagram of the power and clock circuitry of the Atari 2600 Revision 1.3	?