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Mike Naberezny 2011-08-21 12:01:42 -07:00
parent 460ad72449
commit 6dd2312e6a
1 changed files with 19 additions and 14 deletions
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33
src/py65/tests/devices/test_mpu6502.py
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@ -18,24 +18,29 @@ class Common6502Tests:
self.assertEqual(mpu.BREAK | mpu.UNUSED, mpu.p)
# Benchmark
# $0000 d8 CLD
# $0001 18 CLC
# $0002 a9 00 LDA #$00
# $0004 a2 00 LDX #$00
# $0006 a0 00 LDY #$00
# $0008 c8 INY
# $0009 d0 fd BNE $0008
# $000b e8 INX
# $000c d0 f8 BNE $0006
# $000e 69 01 ADC #$01
# $0010 d0 f2 BNE $0004
# $0012 00 BRK
def test_benchmark(self):
mpu = self._make_mpu()
self._write(mpu.memory, 0x0000, (0xd8, 0x18, 0xa9, 0x00, 0xa2, 0x00, 0xa0, 0x00, 0xc8, 0xd0, 0xfd, 0xe8, 0xd0, 0xf8, 0x69, 0x01, 0xd0, 0xf2, 0x00, 0xed))
for i in range(1,100): # need a larger limit for this test to dominate the test time (but when benchmarking it doesn't need to pass)
self._write(mpu.memory, 0x0000, (
0xd8, # $0000 d8 CLD
0x18, # $0001 18 CLC
0xa9, 0x00, # $0002 a9 00 LDA #$00
0xa2, 0x00, # $0004 a2 00 LDX #$00
0xa0, 0x00, # $0006 a0 00 LDY #$00
0xc8, # $0008 c8 INY
0xd0, 0xfd, # $0009 d0 fd BNE $0008
0xe8, # $000b e8 INX
0xd0, 0xf8, # $000c d0 f8 BNE $0006
0x69, 0x01, # $000e 69 01 ADC #$01
0xd0, 0xf2, # $0010 d0 f2 BNE $0004
0x00, # $0012 00 BRK
0xed))
# need a larger limit for this test to dominate the test time
# (but when benchmarking it doesn't need to pass)
for i in range(1,100):
mpu.step()
self.assertEqual(47, mpu.y)
self.assertEqual(0, mpu.x)
self.assertEqual(0, mpu.a)