[Coco] Preliminary Support for SDC in HDBDOS

Arthur Flexser flexser at fiu.edu
Tue Nov 25 17:59:18 EST 2014


On Tue, Nov 25, 2014 at 5:19 PM, William Astle <lost at l-w.ca> wrote:

>
> 2. Interrupts. You need to make sure that any interrupt handling does not
> occur in the upper 8K of the "ROM" space since that will crash when the map
> is switched. Disabling interrupts would be overkill, though, since you can
> just make certain that no interrupt handling happens in the upper 8K.
>

Disabling interrupts when dropping into ROM mode would definitely not be
overkill if you want this modified ROM to be able to run software that
might be putting its interrupt handling anywhere at all.

Art


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