Apple-2-Tools
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applepy
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cleaned up ASL implementation

This commit is contained in:
James Tauber 2011-08-06 21:50:01 -04:00
parent 687b2e345f
commit c6a6071b2c
1 changed files with 2 additions and 5 deletions
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applepy.py
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@ -437,12 +437,9 @@ class CPU:
def ASL(self, operand_address=None):
if operand_address is None:
self.accumulator = self.accumulator << 1
self.carry_flag = (self.accumulator > 0xFF)
self.accumulator = self.update_nz(self.accumulator)
self.accumulator = self.update_nzc(self.accumulator << 1)
else:
m = self.memory.read_byte(operand_address) << 1
self.memory.write_byte(operand_address, self.update_nzc(m))
self.memory.write_byte(operand_address, self.update_nzc(self.memory.read_byte(operand_address) << 1))
def ROL(self, operand_address=None):
if operand_address is None: