[Coco] Do all undocumented features of Coco3 (ex. S-24 mode) exist on emulators like CocoFPGA?

[Allen Huffman]

I can try it on Roger Taylor's. His runs every Sockmaster demo. And everything else he has tried to run. It has a cycle accurate 6809 core by Greg Miller.

He can also load and save to cassette on it.

Email me offlist and I’ll try it this evening.

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> On Feb 20, 2018, at 7:25 AM, Robert Gault <robert.gault at att.net> wrote:
> 
> There are a number of undocumented features of the GIME on the Coco3, and I'm curious if they exist on hardware emulators like the Coco FPGA.
> 
> I have just been reviewing an old program I wrote for the Coco1, Semigraphics-24 Sketcher which I was able to get working on a Coco3 by setting $FF96 to $#%1010 in addition to the required settings for $FFC0-$FFC5 and $FF22. This is an undocumented Coco3 feature. The emulation of S24 is partial as text is not available in an S24 picture.
> 
> This feature will work with VCC and some versions of MESS (coco3) but S24 pictures can include text which is not correct.
> 
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