C-BIOS is an open source BIOS for MSX computers.
Building and running ancient Linux on Windows
TTF-GDOS is an Atari GDOS replacement that uses true type fonts
CMD SwiftLink RS232 Kernal Wedge for C64/128
a self-contained development environment for embedded systems.
The program analyzes sound when you talk into a Headset microphone
A microkernel-based multiserver operating system written from scratch.
SIMD macro assembler unified for ARM, MIPS, PPC and x86
M6811 Code-Seeking Disassembler
DOS based graphical menu / program starter
A label maker program for 3.5" floppy disks for the Amiga written
A ZXMMC mass storage device FID driver for CP/M
Boilerplate Collection for Retro Computers
A Interface to adapt modern SD Card to the old MSX computers
Written in pure ASM and Exode with cloud computing in mind.
A C Compiler/Editor for Retro 6809 Machines (Colour Computer/Dragon)
Microcontroller based PC Oscilloscope
A simple sieve/prefactor program for Eisenstein-Mersenne Primes
A real Win32 extensible passive debugger