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43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
from passport.patchers import Patch, Patcher
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from passport.util import *
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class D5D5F7Patcher(Patcher):
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"""nibble count with weird bitstream involving $D5 and $F7 as delimiters
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tested on
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- Ace Detective
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- Cat 'n Mouse
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- Cotton Tales
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- Dyno-Quest
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- Easy Street
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- Fraction-oids
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- Math Magic
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- RoboMath
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- NoteCard Maker
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"""
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def should_run(self, track_num):
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# TODO
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return True
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def run(self, logical_sectors, track_num):
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offset = find.wild(concat_track(logical_sectors),
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b'\xBD\x8C\xC0'
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b'\x10\xFB'
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b'\x48'
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b'\x68'
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b'\xC9\xD5'
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b'\xD0\xF5'
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b'\xA0\x00' + \
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b'\x8C' + find.WILDCARD + find.WILDCARD + \
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b'\xBD\x8C\xC0'
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b'\x10\xFB'
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b'\xC9\xD5'
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b'\xF0\x0F'
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b'\xC9\xF7'
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b'\xD0\x01'
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b'\xC8'
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b'\x18'
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b'\x6D')
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if offset == -1: return []
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return [Patch(track_num, offset // 256, offset % 256, b'\x60', "d5d5f7")]
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