4PlayerAdapter

Short:        How to check a 4pl-adapter in asm
Author:       Peter Elzner
Uploader:     Peter Elzner (Hawk blanker ruhr de)
Type:         dev/asm
Architecture: generic

This short textfile includes
a) an assembler routine on how to check a 4-player-adapter
   at the parallel-port (like in masterblaster)
b) a simple guide on how to build such an adapter