Program classic system's 8-bit Basic on a modern environment with modern tools and paradigms (MSX and CoCo modules included).

6809 assembly language routine to find the length of a C-style string (with test suite in Disk Extended Color BASIC and 6809 assembly) (Version 1.7, released 30 March 2019)

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)

Color Basic code (ran on vintage 1986 computers such as the Tandy Color Computer 2) that will play the Star Wars theme