def main():
um = UniversalMachine(Path('codex.umz').read_bytes())
password = rb'(\b.bb)(\v.vv)06FHPVboundvarHRAkp'
output = um.run()
for c in password:
assert um.state == UniversalMachine.State.WAITING, um.state
um.write_input(c)
output += um.run()
assert um.state == UniversalMachine.State.HALT
end_of_preamble = b'follows colon:'
m = output.find(end_of_preamble) + len(end_of_preamble)
assert m != -1
print(output[:m].decode('ascii'))
Path('umix.umz').write_bytes(output[m:])
def run(um: UniversalMachine, *, umin: BaseReader, umout: BaseWriter):
while True:
# if um.state == UniversalMachine.State.ERROR:
# # TODO
# print(um.error_message)
# return
if um.state == UniversalMachine.State.IDLE:
out = um.run()
for byte in out:
umout.writebyte(byte)
continue
if um.state == UniversalMachine.State.HALT:
return
assert um.state == UniversalMachine.State.WAITING
c = umin.readbyte()
if c is None: return
um.write_input(c)