107 lines
2.5 KiB
Python
Executable File
107 lines
2.5 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys
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import struct
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from os import path
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import re
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biglist = []
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def could_be_rom(lb):
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if not lb: return False
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if lb == 0x300000: return True # special supermario case!
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while not (lb & 1):
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lb >>= 1
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if lb != 1: return False
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return True
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for rompath in sys.argv[1:]:
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try:
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if not could_be_rom(path.getsize(rompath)): continue
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rom = open(rompath, 'rb').read()
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except IsADirectoryError:
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continue
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info = []
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a, = struct.unpack_from('>H', rom, 8)
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b, = struct.unpack_from('>H', rom, 18)
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order = a << 64
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if a == 0x69:
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info.append('Original')
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elif a == 0x75:
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info.append('Plus')
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elif a == 0x178:
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info.append('II')
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elif a == 0x276:
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info.append('SE')
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elif a == 0x37a:
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info.append('Portable')
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elif a == 0x67c:
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info.append('IIci')
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if rom[18] == 0x15:
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order += 1 << 63
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info.append('TERROR')
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elif rom[18] == 0x17:
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order += 2 << 63
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info.append('Zydeco')
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elif rom[20] & 1:
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order += 3 << 63
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info.append('Horror')
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elif a == 0x77d:
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info.append('SuperMario')
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else:
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order = 0
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info.append('?-%X' % a)
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if a >= 0x300:
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info.append('Rel-%04x' % b)
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order += b << 32
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if a == 0x77d: # SuperMario
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info.append('SubVer-%x' % struct.unpack_from('>H', rom, 0x4c))
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order += struct.unpack_from('>H', rom, 0x4c)[0]
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if a == 0x67c:
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if b >= 0x12f1: info.append("EricksonSndMgr")
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if b == 0x12f1: info.append("EricksonMistake")
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if b'\x08.netBOOT' in rom:
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info.append('netBOOT')
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drvrs = re.finditer(rb'\x04\.MPP', rom)
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drvrs = [m.start() - 18 for m in drvrs] # the actual possible drvr starts
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for ofs in drvrs:
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if rom[ofs] == 0: continue
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if any(rom[ofs+1:ofs+8]): continue
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routine_offsets = struct.unpack_from('>HHHHH', rom, ofs+8)
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for ent in routine_offsets:
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if ent < 0x1a or ent % 2 != 0: break
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else:
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info.append('MPP=%d' % rom[ofs+24])
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biglist.append((order, ' '.join(info), rompath, rom))
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biglist.sort()
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wid = max(len(s) for _, s, *_ in biglist)
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rom_paths = {}
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for o, s, p, rom in biglist:
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rom_paths.setdefault(rom, [s]).append(p)
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for rom, (s, *pp) in rom_paths.items():
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left = s.ljust(wid)
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for p in pp:
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print(left + ' ' + p)
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left = ' ' * wid
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