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Old 07 December 2021, 00:19   #11
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Originally Posted by Daedalus View Post
The clockport would be an option, but it's not as easy as it might first appear. Looking at the SID, it looks like it has 5 address lines (32 registers). The clockport only has 4 address lines.
Use indirect addressing - two locations - one for address, second for data.

Originally Posted by Daedalus View Post
IDE isn't ideal, but it has been used in the past - the Catweasel Mk 2 could optionally be connected to the IDE port instead of the clockport, for example.
IDE is just convenient connector with 16 bits data bus available...
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