END_TEST
START_TEST (test_cpu_and)
{
cpu_t cpu;
cpu.A = 0x55;
cpu_set_z(&cpu, true);
cpu_set_n(&cpu, true);
cpu_set_c(&cpu, true);
cpu_set_h(&cpu, false);
cpu_and(&cpu, 0xF0);
fail_unless(cpu.A == 0x50);
fail_unless(!cpu_get_z(&cpu));
fail_unless(!cpu_get_n(&cpu));
fail_unless(!cpu_get_c(&cpu));
fail_unless(cpu_get_h(&cpu));
cpu_and(&cpu, 0x00);
fail_unless(cpu.A == 0);
fail_unless(cpu_get_z(&cpu));
}
void AND(cpu_state_t *state,
const enum ARG_TYPE arg0, const union REG_INPUT i0,
const enum ARG_TYPE arg1, const union REG_INPUT i1)
{
reg_t data0 = cpu_load_reg8(state, A_REG);
reg_t data1;
if(arg0 == ARG_TYPE_DATA8)
{
data1 = (reg_t)state->arg;
}
else if(arg0 == ARG_TYPE_REG16_INDIRECT)
{
data1 = (reg_t)cpu_load16_indirect(state, i0);
}
else if(arg0 == ARG_TYPE_REG8)
{
data1 = cpu_load_reg8(state, i0);
}
else
{
Error("Incorrect argument type.\n");
}
data0 = cpu_and(state, data0, data1);
cpu_store_reg8(state, A_REG, data0);
}
