folkert/python-pdp1170
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Make sure HALT_SEQUENCE works even if only one byte

Browse source
This commit is contained in:
Neil Webber 2024-05-12 04:17:25 -05:00
parent 5a1558c3d7
commit 6b3b41a0c8
1 changed files with 4 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
kl11.py
View file

@ -38,8 +38,8 @@
# which is Unicode U+00E7, c--cedilla, will cause the emulation to
# halt as if the physical console HALT toggle had been selected.
# This sequence was chosen because it is option-C on a mac; see
# HALT_BYTES
# to override this choice. NOTE: the first N-1 bytes of the HALT_BYTES
# HALT_SEQUENCE
# to override this choice. NOTE: the first N-1 HALT_SEQUENCE bytes
# will still be transmitted to the emulation, the HALT will only occur
# once the full sequence has been received.
#
@ -250,6 +250,8 @@ class KL11:
if in_halt_sequence is None:
if b == self.HALT_SEQUENCE[0]:
in_halt_sequence = 1
if len(self.HALT_SEQUENCE) == 1:
return
elif b == self.HALT_SEQUENCE[in_halt_sequence]:
in_halt_sequence += 1
if len(self.HALT_SEQUENCE) == in_halt_sequence: