petscii/petscii.py

28 lines
No EOL
690 B
Python
Executable file

#!/usr/bin/env python3
import sys
def convert(byte):
if byte == 13: # fix line endings
return 10
if byte == 63: # don't change question marks
return byte
if byte >= 97 and byte <= 122:
return byte - 32
if byte >= 65 and byte <= 90:
return byte + 32
if byte >= 192 and byte <= 223:
byte -= 96
if byte >= 97 and byte <= 122:
byte -= 32
return byte
def main():
filename = sys.argv[1]
with open(filename, "rb") as f:
while (byte := f.read(1)):
byte = convert(int.from_bytes(byte))
print(byte.to_bytes(1).decode('ascii'), end="")
if __name__ == "__main__":
main()