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Add test for 65C02 decimal flag after reset. Refs #14

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Mike Naberezny 2017-12-15 19:01:49 -08:00
parent 511e478338
commit d014a20a73
1 changed files with 10 additions and 0 deletions
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10
py65/tests/devices/test_mpu65c02.py
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@ -11,6 +11,16 @@ class MPUTests(unittest.TestCase, Common6502Tests):
mpu = self._make_mpu()
self.assertTrue('65C02' in repr(mpu))
# Reset
def test_reset_clears_decimal_flag(self):
# W65C02S Datasheet, Apr 14 2009, Table 7-1 Operational Enhancements
# NMOS 6502 decimal flag = indetermine after reset, CMOS 65C02 = 0
mpu = self._make_mpu()
mpu.p = mpu.DECIMAL
mpu.reset()
self.assertEqual(0, mpu.p & mpu.DECIMAL)
# ADC Zero Page, Indirect
def test_adc_bcd_off_zp_ind_carry_clear_in_accumulator_zeroes(self):