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

cleanups

Browse source
This commit is contained in:
Neil Webber 2024-10-24 08:17:06 -05:00
parent b4ac71c3b9
commit 58a45b0813
1 changed files with 9 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
kl11.py
View file

@ -25,17 +25,19 @@
# There are two modes of operation: socket or stdin.
#
# socket: In socket mode, this starts a simple TCP server and accepts
# connections on port 1170 (cute). Characters a proxied back
# connections on port 1170 (cute). Characters are proxied back
# and forth from this socket to the emulated console
#
# stdin: In stdin mode, python's stdin is usurped and put into raw mode.
# The python console is the emulated console. This mode
# requires termios ("unix only" but may exist on other systems)
#
# In this mode there will be no way to kill/exit the emulation unless
# the running code halts. Alternatively, the input byte sequence:
# In this mode the normal ^C/SIGINT does nothing because in raw
# mode there are no special characters; everything is passed to
# the emulated environment. The only way to exit/stop the emulator is
# if the running code halts. Alternatively, the input byte sequence:
# 0xC3 0xA7
# which is Unicode U+00E7, c--cedilla, will cause the emulation to
# 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_SEQUENCE
@ -79,6 +81,7 @@ class KL11:
SERVERPORT = 1170
HALT_SEQUENCE = bytes((0xc3, 0xa7))
# HALT_SEQUENCE = bytes((0x05,)) # this will do ^E to exit, like SIMH
def __init__(self, ub, /, *, baseaddr=KL11_DEFAULT,
send_telnet=False, use_stdin=False):
@ -234,7 +237,7 @@ class KL11:
def _outloop(q, outf):
while True:
try:
c = q.get(True, timeout=2)
c = q.get()
if c is self._SHUTDOWN_SENTINEL:
break
except queue.Empty:
@ -293,7 +296,7 @@ class KL11:
def _outloop(q, s):
while True:
try:
c = q.get(True, timeout=2)
c = q.get()
if c is self._SHUTDOWN_SENTINEL:
break
except queue.Empty: