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

comment cleanups

Browse source
This commit is contained in:
Neil Webber 2023-11-01 09:19:09 -05:00
parent 7354007fe4
commit fbc66608dc
2 changed files with 2 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
machine.py
View file

@ -930,14 +930,13 @@ class PDP1170(PDP11):
# could test if necessary but it's just easier to do this every time # could test if necessary but it's just easier to do this every time
self._syncregs() # in case any mode/regset changes self._syncregs() # in case any mode/regset changes
# prevent UNDEFINED_MODE from entering the PSW # prevent UNDEFINED_MODE from entering the PSW (current mode)
m = (value >> 14) & 3 m = (value >> 14) & 3
if m == self.UNDEFINED_MODE: if m == self.UNDEFINED_MODE:
raise PDPTraps.ReservedInstruction raise PDPTraps.ReservedInstruction
self.psw_curmode = m self.psw_curmode = m
# prevent UNDEFINED_MODE from entering the PSW # prevent UNDEFINED_MODE from entering the PSW (previous mode)
m = (value >> 12) & 3 m = (value >> 12) & 3
if m == self.UNDEFINED_MODE: if m == self.UNDEFINED_MODE:
raise PDPTraps.ReservedInstruction raise PDPTraps.ReservedInstruction

1
mmu.py
View file

@ -266,7 +266,6 @@ class MemoryMgmt:
NOTE: raises PDPTraps.MMU for untranslatable addresses NOTE: raises PDPTraps.MMU for untranslatable addresses
NOTE: If not invis, updates A/W bits & sets straps as needed. NOTE: If not invis, updates A/W bits & sets straps as needed.
* Raises traps, updates A/W bits, & sets straps as needed.
NOTE: 'reading' MUST be True or False, not anything else. NOTE: 'reading' MUST be True or False, not anything else.
""" """