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ASL A should set Z flag after masking. Closes #7.

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This commit is contained in:
Mike Naberezny 2009-08-10 17:22:14 -07:00
parent 3b40ede9bc
commit c73617ef37
1 changed files with 10 additions and 0 deletions
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10
src/py65/tests/devices/test_mpu6502.py
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@ -786,6 +786,16 @@ class Common6502Tests:
self.assertEquals(0xFE, mpu.a)
self.assertEquals(mpu.CARRY, mpu.flags & mpu.CARRY)
def test_asl_accumulator_80_sets_z_flag(self):
mpu = self._make_mpu()
mpu.a = 0x80
mpu.flags &= ~(mpu.ZERO)
mpu.memory[0x0000] = 0x0A #=> ASL A
mpu.step()
self.assertEquals(0x0001, mpu.pc)
self.assertEquals(0x00, mpu.a)
self.assertEquals(mpu.ZERO, mpu.flags & mpu.ZERO)
# ASL Absolute
def test_asl_absolute_sets_z_flag(self):