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First 65c02 instruction

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Signed-off-by: Mike Naberezny <mike@naberezny.com>
This commit is contained in:
Oscar Lindberg 2009-04-08 05:18:15 +08:00 committed by Mike Naberezny
parent 304422978d
commit f1d553a485
4 changed files with 56 additions and 4654 deletions
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9
src/py65/mpu6502.py
View File

@ -16,9 +16,10 @@ class MPU:
ZERO = 2
CARRY = 1
def __init__(self, memory=None, pc=0x0000):
def __init__(self, memory=None, pc=0x0000, debug=False):
# config
self.debug = False
self.debug = debug
self.name = '6502'
# vm status
self.breakFlag = False
@ -36,8 +37,8 @@ class MPU:
self.reset()
def __repr__(self):
out = '<6502: A=%02x, X=%02x, Y=%02x, Flags=%02x, SP=%02x, PC=%04x>'
return out % (self.a, self.x, self.y,
out = '<%s: A=%02x, X=%02x, Y=%02x, Flags=%02x, SP=%02x, PC=%04x>'
return out % (self.name, self.a, self.x, self.y,
self.flags, self.sp, self.pc)
def step(self):

95
src/py65/mpu65c02.py
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@ -1,83 +1,26 @@
#from py65.utils.conversions import convert_to_bin, convert_to_bcd
from mpu6502 import MPU as MPU6502
import mpu6502
class MPU(MPU6502):
def __init__(self, memory=None, pc=0x0000):
MPU6502.__init__(self, memory=memory, pc=pc)
class MPU(mpu6502.MPU):
def __init__(self, memory=None, pc=0x0000, debug=False):
mpu6502.MPU.__init__(self, memory=memory, pc=pc, debug=debug)
self.name = '65C02'
def opSTZ(self, x):
self.memory[x()] = 0x00
def i64(self):
self.opSTZ(self.ZeroPageAddr)
self.pc += 1
# code pages
"""
instruct = [
i00, i01, ini, ini, ini, i05, i06, ini,
i08, i09, i0a, ini, ini, i0d, i0e, ini,
i10, i11, ini, ini, ini, i15, i16, ini,
i18, i19, ini, ini, ini, i1d, i1e, ini,
i20, i21, ini, ini, i24, i25, i26, ini,
i28, i29, i2a, ini, i2c, i2d, i2e, ini,
i30, i31, ini, ini, ini, i35, i36, ini,
i38, i39, ini, ini, ini, i3d, i3e, ini,
i40, i41, ini, ini, ini, i45, i46, ini,
i48, i49, i4a, ini, i4c, i4d, i4e, ini,
i50, i51, ini, ini, ini, i55, i56, ini,
i58, i59, ini, ini, ini, i5d, i5e, ini,
i60, i61, ini, ini, ini, i65, i66, ini,
i68, i69, i6a, ini, i6c, i6d, i6e, ini,
i70, i71, ini, ini, ini, i75, i76, ini,
i78, i79, ini, ini, ini, i7d, i7e, ini,
ini, i81, ini, ini, i84, i85, i86, ini,
i88, ini, i8a, ini, i8c, i8d, i8e, ini,
i90, i91, ini, ini, i94, i95, i96, ini,
i98, i99, i9a, ini, ini, i9d, ini, ini,
ia0, ia1, ia2, ini, ia4, ia5, ia6, ini,
ia8, ia9, iaa, ini, iac, iad, iae, ini,
ib0, ib1, ini, ini, ib4, ib5, ib6, ini,
ib8, ib9, iba, ini, ibc, ibd, ibe, ini,
ic0, ic1, ini, ini, ic4, ic5, ic6, ini,
ic8, ic9, ica, ini, icc, icd, ice, ini,
id0, id1, ini, ini, ini, id5, id6, ini,
id8, id9, ini, ini, ini, idd, ide, ini,
ie0, ie1, ini, ini, ie4, ie5, ie6, ini,
ie8, ie9, iea, ini, iec, ied, iee, ini,
if0, if1, ini, ini, ini, if5, if6, ini,
if8, if9, ini, ini, ini, ifd, ife, ini
]
instruct = mpu6502.MPU.instruct[:]
instruct[0x64] = i64
cycletime = [
7, 6, 0, 0, 0, 3, 5, 0, 3, 2, 2, 0, 0, 4, 6, 0, # 00
2, 5, 0, 0, 0, 4, 6, 0, 2, 4, 0, 0, 0, 4, 7, 0, # 10
6, 6, 0, 0, 3, 3, 5, 0, 4, 2, 2, 0, 4, 4, 6, 0, # 20
2, 5, 0, 0, 0, 4, 6, 0, 2, 4, 0, 0, 0, 4, 7, 0, # 30
6, 6, 0, 0, 0, 3, 5, 0, 3, 2, 2, 0, 3, 4, 6, 0, # 40
2, 5, 0, 0, 0, 4, 6, 0, 2, 4, 0, 0, 0, 4, 7, 0, # 50
6, 6, 0, 0, 0, 3, 5, 0, 4, 2, 2, 0, 5, 4, 6, 0, # 60
2, 5, 0, 0, 0, 4, 6, 0, 2, 4, 0, 0, 0, 4, 7, 0, # 70
0, 6, 0, 0, 3, 3, 3, 0, 2, 0, 2, 0, 4, 4, 4, 0, # 80
2, 6, 0, 0, 4, 4, 4, 0, 2, 5, 2, 0, 0, 5, 0, 0, # 90
2, 6, 2, 0, 3, 3, 3, 0, 2, 2, 2, 0, 4, 4, 4, 0, # A0
2, 5, 0, 0, 4, 4, 4, 0, 2, 4, 2, 0, 4, 4, 4, 0, # B0
2, 6, 0, 0, 3, 3, 5, 0, 2, 2, 2, 0, 4, 4, 3, 0, # C0
2, 5, 0, 0, 0, 4, 6, 0, 2, 4, 0, 0, 0, 4, 7, 0, # D0
2, 6, 0, 0, 3, 3, 5, 0, 2, 2, 2, 0, 4, 4, 6, 0, # E0
2, 5, 0, 0, 0, 4, 6, 0, 2, 4, 0, 0, 0, 4, 7, 0 # F0
]
cycletime = mpu6502.MPU.cycletime[:]
cycletime[0x64] = 3
extracycles = mpu6502.MPU.extracycles[:]
extracycles[0x64] = 0
extracycles = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, # 00
2, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, # 10
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, # 20
2, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, # 30
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, # 40
2, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, # 50
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, # 60
2, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, # 70
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, # 80
2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, # 90
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, # A0
2, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, # B0
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, # C0
2, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, # D0
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, # E0
2, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0 # F0
]
"""

19
src/py65/tests/test_mpu6502.py
View File

@ -2,7 +2,8 @@ import unittest
import sys
from py65.mpu6502 import MPU
class MPUTests(unittest.TestCase):
def make_common_tests(MPU):
class MPUTests(unittest.TestCase):
# ADC Absolute
@ -4575,9 +4576,23 @@ class MPUTests(unittest.TestCase):
self.assertEquals(0x00, mpu.y)
self.assertEquals(mpu.ZERO, mpu.flags & mpu.ZERO)
self.assertEquals(0x0001, mpu.pc)
return MPUTests
MPUTests = make_common_tests(MPU)
class MPU6502SpecificTests(unittest.TestCase):
def test_repr(self):
mpu = MPU()
self.assertEquals('<6502: A=00, X=00, Y=00, Flags=20, SP=ff, PC=0000>',
repr(mpu))
def test_stz_not_supported(self):
mpu = MPU(debug=True)
mpu.memory[0x0000] = 0x64 #=> stz (on 65c02)
self.assertRaises(NotImplementedError, mpu.step)
def test_suite():
return unittest.findTestCases(sys.modules[__name__])

4587
src/py65/tests/test_mpu65c02.py
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