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Speed up run() by using sets for stopcodes and breakpoints

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This commit is contained in:
Mike Naberezny 2014-12-14 14:35:40 -08:00
parent 6b67749d50
commit 1586b1808d
1 changed files with 15 additions and 12 deletions
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27
py65/monitor.py
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@ -436,22 +436,25 @@ class Monitor(cmd.Cmd):
brks = [0x00] # BRK
self._run(stopcodes=brks)
def _run(self, stopcodes=[]):
last_instruct = None
if not self._breakpoints:
while last_instruct not in stopcodes:
def _run(self, stopcodes):
stopcodes = set(stopcodes)
breakpoints = set(self._breakpoints)
if not breakpoints: # optimization
while True:
self._mpu.step()
last_instruct = self._mpu.memory[self._mpu.pc]
if self._mpu.memory[self._mpu.pc] in stopcodes:
break
else:
# Slows things down quite a bit, unfortunately.
breakpoint = False
while last_instruct not in stopcodes and not breakpoint:
while True:
self._mpu.step()
last_instruct = self._mpu.memory[self._mpu.pc]
if self._mpu.pc in self._breakpoints:
pc = self._mpu.pc
if self._mpu.memory[pc] in stopcodes:
break
if pc in breakpoints:
msg = "Breakpoint %d reached."
self._output(msg % self._breakpoints.index(self._mpu.pc))
breakpoint = True
self._output(msg % self._breakpoints.index(pc))
break
def help_radix(self):
self._output("radix [H|D|O|B]")