Denthors Asphyxia Tutorials
FAQSYS
SWAG
Z80 links
Z80 Instruction set
Online assembler for 8bit CPUs
RASM Z80 assembler and documentation (github)
Amstrad links
CPC
CPC Wiki
Locomotive BASIC / CPC Firmware Guide
The Amstrad CPC Firmware Guide
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CPCemu
ep128emu
rc2014 emulator (NC100)
NCxxx
Tim's Amstrac NC users site
The Amstrad NC100 Advanced Guide