* '''This article relies largely on a single source and is suspected of infringing copyright protected under the [https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode CC BY-NC-ND 4.0 license].''' Readers are encouraged to refer directly to the original source material for accurate information.
** ''Original source material under copyright: [https://shaker.logonsystem.eu/ACCC1.8-EN.pdf The Amstrad CPC CRTC Compendium]''
** ''Author: Serge Querné ([[Longshot]])''
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