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Adding the BIT instruction

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This commit is contained in:
Anonymus Raccoon
2020-04-28 23:12:43 +02:00
parent 26ea447f24
commit abe445d202
3 changed files with 79 additions and 5 deletions
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tests/CPU/testBits.cpp
+44
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@@ -71,3 +71,47 @@ Test(TSB, nativeTest)
cr_assert_eq(snes.cpu->_registers.p.z, false, "The zero flag should not be set.");
}
Test(BIT, immediate)
{
Init()
snes.wram->_data[0] = 0xFF;
snes.wram->_data[1] = 0x00;
snes.cpu->_registers.p.m = false;
snes.cpu->_registers.a = 0x8008;
snes.cpu->_registers.p.v = false;
snes.cpu->_registers.p.n = false;
snes.cpu->BIT(0x0, ComSquare::CPU::AddressingMode::ImmediateForA);
cr_assert_eq(snes.cpu->_registers.p.z, false, "The zero flag should not be set.");
cr_assert_eq(snes.cpu->_registers.p.v, false, "The overflow flag should not be set.");
cr_assert_eq(snes.cpu->_registers.p.n, false, "The negative flag should not be set.");
}
Test(BIT, immediateZero)
{
Init()
snes.wram->_data[0] = 0x00;
snes.wram->_data[1] = 0xFF;
snes.cpu->_registers.p.m = false;
snes.cpu->_registers.a = 0x0008;
snes.cpu->_registers.p.v = true;
snes.cpu->_registers.p.n = true;
snes.cpu->BIT(0x0, ComSquare::CPU::AddressingMode::ImmediateForA);
cr_assert_eq(snes.cpu->_registers.p.z, true, "The zero flag should be set.");
cr_assert_eq(snes.cpu->_registers.p.v, true, "The overflow flag should be set.");
cr_assert_eq(snes.cpu->_registers.p.n, true, "The negative flag should be set.");
}
Test(BIT, other)
{
Init()
snes.wram->_data[0] = 0x00;
snes.wram->_data[1] = 0xFF;
snes.cpu->_registers.p.m = false;
snes.cpu->_registers.a = 0x8008;
snes.cpu->_registers.p.v = false;
snes.cpu->_registers.p.n = false;
snes.cpu->BIT(0x0, ComSquare::CPU::AddressingMode::Implied);
cr_assert_eq(snes.cpu->_registers.p.z, false, "The zero flag should not be set.");
cr_assert_eq(snes.cpu->_registers.p.v, true, "The overflow flag should be set.");
cr_assert_eq(snes.cpu->_registers.p.n, true, "The negative flag should be set.");
}