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Furthermore, there are disk images that use the AUX RAM to save data
(e.g. sprites or code) - I know such a program would not allow all of
the disk images to be played but as we have no memory protection
scheme, I believe we can't assume having a reliable cache in AUX RAM
and therefore it should not be used. I also know that a IIgs version
would restrict its use to IIgs owners :-)
As the access is performed through a file image then ProDOS requires a
buffer area of $400 bytes, memory usage would be tight in the RWTS
area $B700..$BFFF therefore the RWTS code would need to be really
optimized.
I am adding a IIgs version to my to-do list, target date is "when
ever" :-)
Antoine