gameboy superoptimizer
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import pytest
from tests.cpu.insn.helpers import *
@pytest.mark.parametrize("n,r", [(n, r) for n in range(8) for r in R8])
def test_set_n_r(n, r):
cpu = CPU()
SET_N_R(n, r).exec(cpu)
assert cpu.get_reg8(r) == 1 << n
@pytest.mark.parametrize("n", range(8))
def test_set_n_hl(n):
cpu = CPU()
cpu.set_reg16(R16.HL, 0x1234)
SET_N_HL(n).exec(cpu)
assert cpu.hl == 1 << n
@pytest.mark.parametrize("n,r", [(n, r) for n in range(8) for r in R8])
def test_res_n_r(n, r):
cpu = CPU()
cpu.set_reg8(r, 0xFF)
RES_N_R(n, r).exec(cpu)
assert cpu.get_reg8(r) == 0xFF - (1 << n)
@pytest.mark.parametrize("n", range(8))
def test_res_n_hl(n):
cpu = CPU()
cpu.set_reg16(R16.HL, 0x1234)
cpu.set_mem8(0x1234, 0xFF)
RES_N_HL(n).exec(cpu)
assert cpu.hl == 0xFF - (1 << n)