Uploaded June 2019 | Updated September 2026, 2 weeks ago

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The CGA adapter had 4 colours. But what is it actually capable of?

I put it through its paces using a demo I wrote using 8086 assembly language on an Amstrad PC 1512.

At some points in the video I mention the 8088, but note the Amstrad actually had the very similar, but faster 8086 CPU.

All code for this demo can be found here:

github.com/wbhart/CGAGraphics