Posted By
siz
on 2020-12-01
15:53:33
|  Re: Cartridge and raster interrupts
There is a special logic in the PLA that always maps in KERNAL ROM above $fc00. So yes, $fffe/$ffff comes from ROM but you cannot change it.
edit: the above sentences are only valid if ROM is enabled. of course it comes from RAM when it's not ($ff3f written)
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