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

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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 brks = [0x00] # BRK
self._run(stopcodes=brks) self._run(stopcodes=brks)
def _run(self, stopcodes=[]): def _run(self, stopcodes):
last_instruct = None stopcodes = set(stopcodes)
if not self._breakpoints: breakpoints = set(self._breakpoints)
while last_instruct not in stopcodes:
if not breakpoints: # optimization
while True:
self._mpu.step() self._mpu.step()
last_instruct = self._mpu.memory[self._mpu.pc] if self._mpu.memory[self._mpu.pc] in stopcodes:
break
else: else:
# Slows things down quite a bit, unfortunately. while True:
breakpoint = False
while last_instruct not in stopcodes and not breakpoint:
self._mpu.step() self._mpu.step()
last_instruct = self._mpu.memory[self._mpu.pc] pc = self._mpu.pc
if self._mpu.pc in self._breakpoints: if self._mpu.memory[pc] in stopcodes:
break
if pc in breakpoints:
msg = "Breakpoint %d reached." msg = "Breakpoint %d reached."
self._output(msg % self._breakpoints.index(self._mpu.pc)) self._output(msg % self._breakpoints.index(pc))
breakpoint = True break
def help_radix(self): def help_radix(self):
self._output("radix [H|D|O|B]") self._output("radix [H|D|O|B]")