TRS-80 Modular eXpansion System

Hobby project for vintage TRS-80 model 3, 4 and 4P computers made by Radio Shack in the 1980s.

TRS-80 Level 2 BASIC rewrite intended for a Silicon Labs Laser Bee 8051 processor.

UCSD Pascal Full-Adaptive p-System IV for TRS-80 Model 4, based on Montezuma Micro CP/M BIOS 2.30

Z80 Disassembler for TRS-80 CMD files or Intel HEX files

A program written in C (C89 dialect) that generates type-in BASIC programs. Targets multiple 8-bit machines. (in development, don't use it yet)

Patch for Fuzix to run on real TRS-80 Model 4(p), with FreHD autoboot

A library and tools for working with TRS-80 Color Computer virtual DSK files