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Speed up run() by caching in local variables

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This commit is contained in:
Mike Naberezny 2014-12-14 15:56:15 -08:00
parent 1586b1808d
commit 9f5cd2e425
1 changed files with 8 additions and 6 deletions
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14
py65/monitor.py
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@ -439,17 +439,19 @@ class Monitor(cmd.Cmd):
def _run(self, stopcodes):
stopcodes = set(stopcodes)
breakpoints = set(self._breakpoints)
mpu = self._mpu
mem = self._mpu.memory
if not breakpoints: # optimization
if not breakpoints:
while True:
self._mpu.step()
if self._mpu.memory[self._mpu.pc] in stopcodes:
mpu.step()
if mem[mpu.pc] in stopcodes:
break
else:
while True:
self._mpu.step()
pc = self._mpu.pc
if self._mpu.memory[pc] in stopcodes:
mpu.step()
pc = mpu.pc
if mem[pc] in stopcodes:
break
if pc in breakpoints:
msg = "Breakpoint %d reached."