No, I looked it up and I got this wrong: * HAM6 (the original "OCS" HAM, A1000/500/600) supported 4096 colors * HAM8 (AGA, A1200 / A4000) supported 2^24 color

No, I looked it up and I got this wrong: * HAM6 (the original "OCS" HAM, A1000/500/600) supported 4096 colors * HAM8 (AGA, A1200 / A4000) supported 2^24 colors / around 2^18 simultaneous https://en.wikipedia.org/wiki/Hold-And-Modify https://en.wikipedia.org/wiki/Hold-And-Modify