Pages with technical hints
John Elliott:
Microsoft REL file format
BDOS system calls
BIOS: Basic Input Output System
FCB: CP/M File Control Block
GSX: Graphics System eXtension
SCB: System Control Block
XBIOS: Amstrad eXtended BIOS
Disc Parameter Header
Amstrad CP/M disc formats
Z80 [Undocumented Features]
Last updated: 2015 May 31