mirror of https://github.com/RevCurtisP/C02.git
54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
#Binary to ASCII
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#Converts DASM -F1 file to Apple 1 Monitor format
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#DASM -F1 File two byte load address in LSB, MSB order
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#followed by binary object coda
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#Apple 1 Monitor Format
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#ADDR: BYTE BYTE BYTE...
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#0300: 00 01 02 03 04 05 06 07
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#0308: 08 09 0A 0B 0C 0D 0E 0F
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import os
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import sys
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def getArgs():
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argCount = len(sys.argv)
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if argCount != 2:
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print("Usage:", sys.argv[0], "objfile")
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exit(2)
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return sys.argv[1]
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def splitFileSpec(filePath):
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fileDir, fileSpec = os.path.split(filePath)
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fileName, fileExt = os.path.splitext(fileSpec)
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if fileExt == '': fileExt = '.obj'
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return fileDir, fileName, fileExt
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def readPrgFile(fileSpec):
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with open(fileSpec, "rb") as prgFile:
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prgAddr = prgFile.read(2)
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prgData = prgFile.read()
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address = prgAddr[0] + prgAddr[1] * 256
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return address, prgData
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def writeAscFile(dir, name, addr, data):
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ascName = os.path.join(dir, name + ".asc")
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line = "";
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with open(ascName, "w") as ascFile:
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for i in range(len(data)):
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if i & 7 == 0:
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if len(line): ascFile.write(line + '\n')
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line = "{:04X}:".format(addr + i)
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line = line + " {:02X}".format(data[i])
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ascFile.write(line + '\n')
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return ascName
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objFile = getArgs()
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fileDir, fileName, fileExt = splitFileSpec(objFile)
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inName = os.path.join(fileDir, fileName + fileExt)
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print("Reading file", inName)
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inAddr, inData = readPrgFile(inName)
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outName = writeAscFile(fileDir, fileName, inAddr, inData)
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print ("Wrote file", outName)
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