floppy disk controllers Z80 'Tube' bus/interface Analogue joystick ports Tatung Einstein 256 The Tatung Einstein 256 was similar to the original with improved video (Yamaha V9938) and more RAM. RAM: 64K user; 192K video Video: Yamaha V9938, 512 colours See also References External links Tatung Einstein Computer Group Tatung Einstein Reborn Z80-based home computers CP/M Computer-related introductions in 1984 Computers designed in the United Kingdom