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Improve fixbaserom.py
(#987)
Set bytes past ROM's end to `0xFF`. Recognize the infamous ZeldaEdit-edited rom.
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parent
970513253b
commit
8e57f3bca3
1 changed files with 21 additions and 8 deletions
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@ -17,14 +17,19 @@ if path.exists("baserom.z64"):
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sys.exit(0)
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# Determine if we have a ROM file
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romFileName = ""
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if path.exists("baserom_original.z64"):
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romFileName = "baserom_original.z64"
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elif path.exists("baserom_original.n64"):
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romFileName = "baserom_original.n64"
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elif path.exists("baserom_original.v64"):
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romFileName = "baserom_original.v64"
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else:
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romFileExtensions = ["z64", "n64", "v64"]
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def find_baserom_original():
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for romFileExtLower in romFileExtensions:
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for romFileExt in (romFileExtLower, romFileExtLower.upper()):
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romFileNameCandidate = "baserom_original." + romFileExt
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if path.exists(romFileNameCandidate):
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return romFileNameCandidate
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return None
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romFileName = find_baserom_original()
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if romFileName is None:
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print("Error: Could not find baserom_original.z64/baserom_original.n64/baserom_original.v64.")
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sys.exit(1)
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@ -68,11 +73,19 @@ elif fileContent[0] == 0x37:
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print("Patching header...")
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fileContent[0x3E] = 0x50
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for i in range(0x35CF000, len(fileContent)):
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fileContent[i] = 0xFF
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# Check to see if the ROM is a "vanilla" Debug ROM
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str_hash = get_str_hash(bytearray(fileContent))
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if str_hash != "f0b7f35375f9cc8ca1b2d59d78e35405":
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print("Error: Expected a hash of f0b7f35375f9cc8ca1b2d59d78e35405 but got " + str_hash + ". " +
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"The baserom has probably been tampered, find a new one")
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if str_hash == "32fe2770c0f9b1a9cd2a4d449348c1cb":
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print("The provided baserom is a rom which has been edited with ZeldaEdit and is not suitable for use with decomp. " +
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"Find a new one.")
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sys.exit(1)
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# Write out our new ROM
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