rdos/README.md

Primary goals

• Run on 8086 or up
• Be able to load and execute a COM program from disk
• Support for running programs in the NEC V30 8080 emulation mode

Secondary goals

• CP/M syscall compatibility
• Terminal emulator for COM1 (like picocom on linux)
• Boot linux
• Editor (nano or ed-like)
• Self-hosting assembler

Building

You can generate a 3.5" floppy image with make fd1440.img, a 5.25" floppy with make fd160.img.

Build requirements:

• make
• nasm
• mtools >=4.0.20 (Debian buster or up)

Useful for testing:

• C compiler
• qemu-system-i386

The Makefile has other potentially interesting targets.