1k version of the game MazezaM for ZX81

Audio driver for Game Gear version of NBA Jam programmed in Z80 assembler by Dave Lowe

Some examples of assembling with the prominent DOS cross-assembler from the 80s

Just a fun snowfall screen effect

Z80 hacking

Flash ROM App to make the TI-83 Plus graphing calculator more user-friendly

GameBoy ROMs decoder (header+Z80 ASM)

GameBoy Color emulator written in C

Z80 microprocessor Simulator with ASM

A Unfinished Space Invaders clone for the TI-84 Plus CE written in ez80 assembly.

An old TI83p assembly tetris clone I did a while back

SEGA Master System skeleton for assembly

ASM Port of the Locomotive Basic Space Hockey TypeIn by David Hay in Amstrad Action Issue 42 (March 1989))

Tetris game for ZX-Spectrum 48 (and compatible). The toy was written by me in 1996 in Z80 assembler in the Gens program from HiSoft's DevPack (1983). In 2020, the program source code from Gens was recovered from tape media and then adapted for the Z80 SjASMPlus cross-assembler.

Eva Player for Flashjacks version

Flashjacks Wave Loader

Flashjacks Cassette Loader

Scuba Dive game for ZX Spectrum

Samples for SEGA Master System

T3X/0 is a small, portable, procedural, block-structured, recursive, and almost typeless programming language, and the latest member of the T3X family of languages. Note: this is a GitHub mirror, based on source code available at the original author's website.