PicoDOS is a program loader. This boot sector is able to load .COM files or "MZ" .EXE files.
It's useful for an OS for example: you write an EXE file and you test it under DOS. When all works good, you can use it with PicoDOS.
Last update: 01/01/99
Services supported
Int 20h
Terminate a program (for .COM files)
Int 21h
Functions:
00h: terminate program
01h: read character with echo
02h: write character
07h: read character without echo
09h: write string (ended with '$')
19h: get current drive
25h: set interrupt vector
30h: get dos version
35h: get interrupt vector
48h: allocate ram memory
4Ch: terminate program
This is an alpha version, but later more services will be supported.
To compile and run it: (you'll need NASM)
Unzip the file. Put a blank disk in your drive (A), and type make.bat
If you have comments, mail me: Pascal Lacroix (placr@hotmail.com)