[Coco] OS9 68K, MM/1 software and questions
Joel Ewy
jcewy at swbell.net
Thu Dec 31 18:35:54 EST 2015
On 12/30/2015 10:58 PM, Joel Ewy wrote:
> ... The 68070 cpu is supposed to have some sort of DMA built-in. I
> don't think K-Windows takes advantage of it, and I don't know if it
> can be useful in moving large chunks of data around in memory for
> games and whatnot, but it would be worth a look.
>
> JCE
I was wrong. The MM/1 Technical Manual says that DMA is used for the
Floppy, SCSI, and audio. Still not clear to me whether it could be
commandeered to move graphics data around.
JCE
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