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https://github.com/a2-4am/passport.py.git
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37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
from passport.patchers import Patch, Patcher
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from passport.util import *
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class A6BC95Patcher(Patcher):
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"""nibble count after $A6 $BC $95 prologue
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tested on
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- The Secrets of Science Island
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"""
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def should_run(self, track_num):
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return self.g.is_pascal
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def run(self, logical_sectors, track_num):
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buffy = concat_track(logical_sectors)
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if -1 == find.wild(buffy,
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b'\xBD\x8C\xC0'
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b'\x10\xFB'
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b'\xC9\xA6'
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b'\xD0\xED'):
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return False
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if -1 == find.wild(buffy,
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b'\xBD\x8C\xC0'
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b'\x10\xFB'
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b'\xC9\xBC'):
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return False
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if -1 == find.wild(buffy,
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b'\xBD\x8C\xC0'
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b'\x10\xFB'
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b'\xC9\x95'):
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return False
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offset = find.wild(buffy,
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b'\xAE\xF8\x01'
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b'\xA9\x0A'
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b'\x8D\xFE\x01')
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if offset == -1: return []
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return [Patch(track_num, offset // 256, offset % 256, b'\x60', "a6bc95")]
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