The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes

the official Rust and C implementations of the BLAKE3 cryptographic hash function

Monospaced bitmap fonts

Fully documented and annotated source code for the cassette version of Elite on the BBC Micro

Fully documented and annotated source code for Elite on the Nintendo Entertainment System (NES)

Sample source code games Atari 2600

Source code for an unpublished Days of Thunder game for the NES, not to be confused with the published game released by the same publisher this game was developed for, Mindscape, in 1990.

CP/M 2.2 source code

A tutorial for learning 65C02 Assembly Language using the Commander X16

A dirt-simple Dragon's Lair player

Various reverse engineered source code

Giving up on the 4bbp layer matriculate for now.

Functioning assembly code for 6800 mpu, 6821 pia and 1408 dac

An assortment of example programs I've created while learning how to program the 6502 processor for the Atari 2600.

Disassembly of Bowling for the Atari 2600