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59 lines
1.2 KiB
59 lines
1.2 KiB
import pytest
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from tests.insn.helpers import *
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@pytest.mark.parametrize("rr", set(R16) - {R16.AF})
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def test_ld_rr_nn(rr):
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cpu = CPU()
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LD_RR_NN(rr, 0x1234).exec(cpu)
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assert cpu.get_reg16(rr) == 0x1234
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assert cpu.state.cycles == 12
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def test_ld_nn_sp():
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cpu = CPU()
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cpu.set_reg16(R16.SP, 0xABCD)
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LD_NN_SP(0x1234).exec(cpu)
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assert cpu.get_mem16(0x1234) == 0xABCD
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assert cpu.state.cycles == 20
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def test_ld_sp_hl():
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cpu = CPU()
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cpu.set_reg16(R16.HL, 0x1234)
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LD_SP_HL().exec(cpu)
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assert cpu.get_reg16(R16.SP) == 0x1234
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assert cpu.state.cycles == 8
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@pytest.mark.parametrize("rr", set(R16) - {R16.AF, R16.SP})
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def test_push_rr(rr):
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cpu = CPU()
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cpu.set_reg16(R16.SP, 0xFFFF)
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cpu.set_reg16(rr, 0x1234)
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PUSH_RR(rr).exec(cpu)
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assert cpu.get_reg16(R16.SP) == 0xFFFD
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assert cpu.get_mem16(0xFFFD) == 0x1234
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assert cpu.state.cycles == 16
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@pytest.mark.parametrize("rr", set(R16) - {R16.AF, R16.SP})
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def test_pop_rr(rr):
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cpu = CPU()
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cpu.set_reg16(R16.SP, 0xFFFD)
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cpu.set_mem16(0xFFFD, 0x1234)
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POP_RR(rr).exec(cpu)
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assert cpu.get_reg16(R16.SP) == 0xFFFF
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assert cpu.get_reg16(rr) == 0x1234
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assert cpu.state.cycles == 12
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