Laughton Electronics | does what other contractors can't or won't

Some great reverse engineering, and a couple of interesting homebrew CPU designs: a 14500-ish 1-bit CPU using an EPROM, and a 24-bit extension to the 6502.

to 6502 cpu electronics homebrew microcontroller microprocessor repair reverse-engineering ... on 27 April 2014

Welcome to AppleLogic

Analysing and rebuilding 8-bit Apple computers.

to 6502 apple apple2 electronics fpga microcomputer retrocomputing ... on 13 January 2014

Exile disassembly

The classic BBC Micro game.

to 6502 acorn bbc exile retrocomputing reverse-engineering ... on 14 December 2013

[CSDb] - User Forums

Some interesting C64 low-level programming stuff here.

to 1541 6502 c64 retrocomputing ... on 11 July 2013

ACME - the ACME Crossassembler for Multiple Environments

For 6502 and related processors.

to 6502 assembler retrocomputing software ... on 23 May 2013

Exomizer 2 website

Low-overhead compressor, capable of producing self-decompressing 6502 code.

to 6502 compression retrocomputing software ... on 23 May 2013

GCR decoding on the fly

As it says -- very neat.

to 1541 6502 c64 floppy gcr retrocomputing ... on 15 April 2013

neocomputer.org

Fixing 2600 ET, generating mazes, emulating the Kenbak-1, etc.

to 2600 6502 et games kenbak maze retrocomputing ... on 15 April 2013

billbudge/PCS_Atari800 ยท GitHub

Source for Bill Budge's Atari 800 Pinball Construction Set (following on from the Prince of Persia source being published). I wonder how many other classic 8-bit games still have source hiding somewhere out there?

to 6502 800 atari games retrocomputing source ... on 24 March 2013

Tiny Basic Info

Tom Pittman's Tiny Basic, and some games, including a remarkably complete adventure.

to 6502 6800 basic games retrocomputing software ... on 30 July 2012