*[https://amstradpushnpop.ovh/ Amstrad push'n'pop (FR)] Referencing articles about Z80 Assembler on Amstrad CPC
*[http://logonsystem.eu/html/downloadlogon.htm CRTC Compendium] Everything about the CRTC - incl. examples
*[https://www.grimware.org/doku.php/documentations/firmware/guide/jumpblock Amstrad Firmware reference] Built-in firmware functions explained
*[https://www.grimware.org/doku.php/documentations/software/locomotive.basic/start Locomotive BASIC reference] Built-in functions and keywords explained
*[https://www.sean.co.uk/books/amstrad/index.shtm The Basic Idea] Amstrad Basic tutorial by Campursoft