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Implementing the CMP

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This commit is contained in:
Anonymus Raccoon
2020-04-06 17:12:12 +02:00
parent e60c6d7bd7
commit 83b8c83e6e
4 changed files with 129 additions and 17 deletions
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tests/CPU/Math/testCMP.cpp
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//
// Created by anonymus-raccoon on 4/6/20.
//
#include <criterion/criterion.h>
#include <bitset>
#include "../../tests.hpp"
#include "../../../sources/SNES.hpp"
using namespace ComSquare;
Test(CMP, underflow)
{
Init()
snes.cpu->_registers.p.m = true;
snes.cpu->_registers.a = 0;
snes.wram->_data[0] = 0x1;
snes.cpu->CMP(0x0, ComSquare::CPU::AddressingMode::Implied);
cr_assert_eq(snes.cpu->_registers.p.c, false, "The carry flags should not be set.");
cr_assert_eq(snes.cpu->_registers.p.n, true, "The negative flags should be set.");
cr_assert_eq(snes.cpu->_registers.p.z, false, "The zero flags should not be set.");
}
Test(CMP, zero)
{
Init()
snes.cpu->_registers.p.m = true;
snes.cpu->_registers.a = 0x5;
snes.wram->_data[0] = 0x5;
snes.cpu->CMP(0x0, ComSquare::CPU::AddressingMode::Implied);
cr_assert_eq(snes.cpu->_registers.p.c, true, "The carry flags should be set.");
cr_assert_eq(snes.cpu->_registers.p.n, false, "The negative flags should not be set.");
cr_assert_eq(snes.cpu->_registers.p.z, true, "The zero flags should be set.");
}
Test(CMP, nativeModeZero)
{
Init()
snes.cpu->_registers.p.m = false;
snes.cpu->_registers.a = 0x5000;
snes.wram->_data[0] = 0x00;
snes.wram->_data[1] = 0x50;
snes.cpu->CMP(0x0, ComSquare::CPU::AddressingMode::Implied);
cr_assert_eq(snes.cpu->_registers.p.c, true, "The carry flags should be set.");
cr_assert_eq(snes.cpu->_registers.p.n, false, "The negative flags should not be set.");
cr_assert_eq(snes.cpu->_registers.p.z, true, "The zero flags should be set.");
}
Test(CMP, nativeModeNothing)
{
Init()
snes.cpu->_registers.p.m = false;
snes.cpu->_registers.a = 0x8000;
snes.wram->_data[0] = 0x00;
snes.wram->_data[1] = 0x50;
snes.cpu->CMP(0x0, ComSquare::CPU::AddressingMode::Implied);
cr_assert_eq(snes.cpu->_registers.p.c, true, "The carry flags should be set.");
cr_assert_eq(snes.cpu->_registers.p.n, false, "The negative flags should not be set.");
cr_assert_eq(snes.cpu->_registers.p.z, false, "The zero flags should not be set.");
}
Test(CMP, negative)
{
Init()
snes.cpu->_registers.p.m = false;
snes.cpu->_registers.a = 0xB000;
snes.wram->_data[0] = 0x00;
snes.wram->_data[1] = 0x10;
snes.cpu->CMP(0x0, ComSquare::CPU::AddressingMode::Implied);
cr_assert_eq(snes.cpu->_registers.p.c, true, "The carry flags should be set.");
cr_assert_eq(snes.cpu->_registers.p.n, true, "The negative flags should be set.");
cr_assert_eq(snes.cpu->_registers.p.z, false, "The zero flags should not be set.");
}