Started to work at the Sony SMC-70 / SMC-777, that is a pretty powerful (for the time) 1983 japanese computer. Basic spechs includes 16 colors with RAMDAC, PCG graphics, a bitmap layer and 3.5″ floppy drives (it’s the real first system that uses them). After some basic hooking, I’ve managed to get basic CP/M OS to work on it:











Source:mamedev.emulab.it/kale/