6502-emulator/test/flags-opcode-handler-test.cpp

113 lines
3.2 KiB
C++

#include "gtest/gtest.h"
#include "../src/machine.h"
#include "../src/program.h"
#include <memory>
#include <vector>
#include <sstream>
#include <iostream>
using namespace std;
const uint8_t CLC = 0x18;
const uint8_t SEC = 0x38;
const uint8_t CLI = 0x58;
const uint8_t SEI = 0x78;
const uint8_t CLV = 0xB8;
const uint8_t CLD = 0xD8;
const uint8_t SED = 0xF8;
unique_ptr<Machine> ft_get_machine(shared_ptr<vector<uint8_t>> code){
auto program = make_shared<Program>(Program(code));
auto machine = make_unique<Machine>(Machine(program));
return machine;
}
TEST(FlagOpcodeHandlerTest, ClearCarry) {
auto code = make_shared<vector<uint8_t>>(vector<uint8_t>{CLC});
auto machine = ft_get_machine(code);
auto status = machine->get_reg_man()->get_status_register();
ASSERT_EQ(0, status->is_carry_set());
status->set_carry(true);
ASSERT_EQ(1, status->is_carry_set());
machine->execute();
ASSERT_EQ(0, status->is_carry_set());
}
TEST(FlagOpcodeHandlerTest, SetCarry) {
auto code = make_shared<vector<uint8_t>>(vector<uint8_t>{SEC});
auto machine = ft_get_machine(code);
auto status = machine->get_reg_man()->get_status_register();
ASSERT_EQ(0, status->is_carry_set());
machine->execute();
ASSERT_EQ(1, status->is_carry_set());
}
TEST(FlagOpcodeHandlerTest, ClearInteruptDisable) {
auto code = make_shared<vector<uint8_t>>(vector<uint8_t>{CLI});
auto machine = ft_get_machine(code);
auto status = machine->get_reg_man()->get_status_register();
ASSERT_EQ(0, status->is_interupt_disable_set());
status->set_interupt_disable(true);
ASSERT_EQ(1, status->is_interupt_disable_set());
machine->execute();
ASSERT_EQ(0, status->is_interupt_disable_set());
}
TEST(FlagOpcodeHandlerTest, SetInteruptDisable) {
auto code = make_shared<vector<uint8_t>>(vector<uint8_t>{SEI});
auto machine = ft_get_machine(code);
auto status = machine->get_reg_man()->get_status_register();
ASSERT_EQ(0, status->is_interupt_disable_set());
machine->execute();
ASSERT_EQ(1, status->is_interupt_disable_set());
}
TEST(FlagOpcodeHandlerTest, ClearOverflow) {
auto code = make_shared<vector<uint8_t>>(vector<uint8_t>{CLV});
auto machine = ft_get_machine(code);
auto status = machine->get_reg_man()->get_status_register();
ASSERT_EQ(0, status->is_overflow_set());
status->set_overflow(true);
ASSERT_EQ(1, status->is_overflow_set());
machine->execute();
ASSERT_EQ(0, status->is_overflow_set());
}
TEST(FlagOpcodeHandlerTest, ClearDecimal) {
auto code = make_shared<vector<uint8_t>>(vector<uint8_t>{CLD});
auto machine = ft_get_machine(code);
auto status = machine->get_reg_man()->get_status_register();
ASSERT_EQ(0, status->is_decimal_set());
status->set_decimal(true);
ASSERT_EQ(1, status->is_decimal_set());
machine->execute();
ASSERT_EQ(0, status->is_decimal_set());
}
TEST(FlagOpcodeHandlerTest, SetDecimal) {
auto code = make_shared<vector<uint8_t>>(vector<uint8_t>{SED});
auto machine = ft_get_machine(code);
auto status = machine->get_reg_man()->get_status_register();
ASSERT_EQ(0, status->is_decimal_set());
machine->execute();
ASSERT_EQ(1, status->is_decimal_set());
}