jnz.dk
Denthors Asphyxia Tutorials
FAQSYS
HelpPC
Ralf Brown's Interrupt List
SWAG
i8080 links
i8080 Instruction set
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