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Re: Karateka to files?
I meant to reply to this sooner.
The real loader is at $5500. It accepts values in A and Y.
A is the starting track, Y is the starting index ($00, $30, or $70) into the read-address table (at $5400).
The table contains three 00-terminated lists of addresses. You can see that it uses most of the memory.
You'll need some trickery in order to preserve $BF00-BFFF, but the game runs in 48kb, so the ProDOS code in $D000-FFFF is safe.