Princess Maker 1 (Japanese) (DOS) Roland Driver for IRQs other than IRQ 2
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Make a backup of the original AUTOEXEC.EXE file in the game's directory.
Rename AUTOEXEC_IRQ#.EXE (where # is corresponding IRQ number you suppose to use) to AUTOEXEC.EXE 
and overwrite it in the game directory.


patch made by: kykypyza
https://kykypyza.tistory.com/7
https://www.vogons.org/viewtopic.php?p=952317#p952317