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Update checksum.py

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This commit is contained in:
Zane Kaminski 2021-07-15 05:32:58 -04:00
parent 8cb07a3f77
commit 6f31d0a824
1 changed files with 3 additions and 1 deletions
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4
checksum.py
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@ -5,7 +5,9 @@ with open(sys.argv[1], mode='rb') as file:
file.read(4) # discard first four bytes
rombin = file.read() # read rest of file
cksum = 0
count = 0;
for i in struct.unpack('>' + str(len(rombin)/2) + 'H', rombin):
cksum += i;
cksum += i
count += 1
cksum &= 0xFFFFFFFF
print(hex(cksum))