Changes
CRTC
,/* CRTC-II (aka Type 5) */
*Three-state Control of MA/RA Output
This chip was never used by Amstrad. However, some CPC enthusiasts have replaced the original CRTC chip in their CPC with this one.[https://www.youtube.com/watch?v=bCTf3DWFVc4 Split-screen functionality demoed in BASIC]
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