Computer House UK

A number of original design files from Computer House UK

Hitachi 3" Disk drive information Oric / Amstrad / Sinclair: Hitachi 3" Disk drive information Oric / Amstrad / Sinclair
Sophia2 Documentation: Sophia2 Documentation
Sophia2 config file: Sophia2 config file
XEGS CIRCUIT DIAGRAMS: REPRODUCED SCHEMATICS OF XEGS SYSTEM BOARD AND KEYBOARD INTERFACE
Assembly language programming for the Atari computers: Assembly language programming for the Atari computers