mirror of
https://github.com/zeldaret/oot.git
synced 2024-12-28 15:56:51 +00:00
133 lines
4 KiB
Python
133 lines
4 KiB
Python
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import os
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import struct
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def Main():
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symbolFile = open("symbols.txt")
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symbolList = symbolFile.readlines()
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symbolFile.close()
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asmFiles = os.listdir("output")
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for fileName in asmFiles:
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print("Processing " + fileName)
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asmFile = open("output/" + fileName)
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asmText = asmFile.read()
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for symbolLine in symbolList:
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asmText = asmText.replace(symbolLine.split(' ')[0], symbolLine.split(' ')[1])
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asmText = ".include \"macro.inc\"\n\n" + asmText
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asmText = FixIncBin(fileName, asmText)
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asmText = FixMove(asmText)
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asmText = FixInvalidOpcodes(asmText)
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outputFile = open("output2/" + fileName, "w+")
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outputFile.write(asmText)
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outputFile.close()
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asmFile.close()
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def FixInvalidOpcodes(asmText):
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asmLines = asmText.split('\n')
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i = 0
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while i < len(asmLines):
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asmLine = asmLines[i]
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if (asmLine.find("Because of invalid n64 opcode") != -1):
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nextLine = asmLines[i + 1]
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if (nextLine.find("/*") != -1):
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asmLines.insert(i + 1, "/*" + nextLine.split("/*")[1])
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asmLines[i + 1] = nextLine.split("*/")[0] + "*/ .word 0x" + nextLine.split(" ")[3]
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i += 1
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output = ""
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for i in range(len(asmLines)):
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output += asmLines[i] + "\n"
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return output
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def FixMove(asmText):
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asmLines = asmText.split('\n')
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i = 0
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while i < len(asmLines):
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asmLine = asmLines[i]
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if (asmLine.find(" move $") != -1 and asmLine.split("/*")[1].split(" ")[3].endswith("21")):
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registers = asmLine.split("move")[1]
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asmLines[i] = asmLine.split("*/")[0] + "*/ addu %s, $zero" % (registers)
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i += 1
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output = ""
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for i in range(len(asmLines)):
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output += asmLines[i] + "\n"
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return output
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def FixIncBin(fileName, asmText):
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asmLines = asmText.split('\n')
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ovlFile = open("../../../baserom/" + fileName.split('.s')[0], "rb")
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ovlData = bytearray(ovlFile.read())
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ovlFile.close()
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headerOffset = struct.unpack_from(">I", ovlData, offset = len(ovlData) - 4)[0]
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headerAddress = len(ovlData) - headerOffset
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dataSectionAddress = struct.unpack_from(">I", ovlData, offset = headerAddress + 4)[0]
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#print(dataSectionAddress)
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fixLineIndex = -1
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fixLineAddress = 0
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fixLineFileAddress = 0
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i = 0
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while i < len(asmLines):
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asmLine = asmLines[i]
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if ((asmLine.startswith("D_") and asmLine.endswith(":")) or (i == len(asmLines) - 1 and fixLineIndex != -1)):
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if (fixLineIndex == -1):
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if (asmLines[i + 1].startswith(".")):
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i += 1
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if (asmLines[i + 1].split(" ")[3].startswith("27BD") == False):
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fixLineFileAddress = int(asmLines[i + 1].split(" ")[1], 16)
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if (fixLineFileAddress < dataSectionAddress):
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i += 1
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continue
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fixLineAddress = int(asmLine.split("D_")[1].split(":")[0], 16)
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fixLineIndex = i + 1
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else:
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if (i == len(asmLines) - 1):
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ovlSize = os.path.getsize("../../../baserom/" + fileName.split('.s')[0])
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dataSize = ovlSize - fixLineFileAddress
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asmLines[fixLineIndex] = ".incbin \"baserom/%s\", 0x%X, 0x%X" % (fileName.split('.s')[0], fixLineFileAddress, dataSize)
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del asmLines[fixLineIndex + 1 : i]
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else:
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currentAddress = int(asmLine.split("D_")[1].split(":")[0], 16)
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dataSize = currentAddress - fixLineAddress
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del asmLines[fixLineIndex : i - 1]
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asmLines[fixLineIndex] = ".incbin \"baserom/%s\", 0x%X, 0x%X" % (fileName.split('.s')[0], fixLineFileAddress, dataSize)
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i -= (i - fixLineIndex)
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fixLineIndex = -1
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i += 1
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output = ""
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for i in range(len(asmLines)):
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output += asmLines[i] + "\n"
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return output
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Main()
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