jnz.dk

Denthors Asphyxia Tutorials

FAQSYS

SWAG

Z80 links

Z80 Instruction set

Online assembler for 8bt CPUs

RASM Z80 assembler and documentation (github)

Amstrad links

Tim's Amstrac NC users site

CPC Wiki

CPCemu

ep128emu

rc2014 emulator (NC100)

The Amstrad CPC Firmware Guide

The Amstrad NC100 Advanced Guide