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12 lines
282 B
Python
12 lines
282 B
Python
import sys
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import struct
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with open(sys.argv[1], mode='rb') as file:
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file.read(4) # discard first four bytes
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rombin = file.read() # read rest of file
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cksum = 0
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for i in struct.unpack('>' + str(len(rombin)/2) + 'H', rombin):
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cksum += i;
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cksum &= 0xFFFFFFFF
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print(hex(cksum))
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