66 lines
1.4 KiB
C++
66 lines
1.4 KiB
C++
#include "gtest/gtest.h"
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#include "test-utils.h"
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using namespace std;
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using namespace emu_6502;
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const uint8_t JMP_ABS = 0x4C;
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const uint8_t JMP_IND = 0x6C;
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const uint8_t JSR = 0x20;
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const uint8_t RTI = 0x40;
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const uint8_t RTS = 0x60;
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const uint8_t LDA_IMM = 0xA9;
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TEST(LoadOpcodeHandlerContainer, JMP_ABS) {
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auto machine = create_machine({JMP_ABS, 0x34, 0x12});
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try {
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machine->execute();
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}
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catch (exception) {
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}
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ASSERT_EQ(0x1234, machine->get_cpu().get_pc().get_value());
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}
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TEST(LoadOpcodeHandlerContainer, JMP_IND) {
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auto machine = create_machine({JMP_IND, 0x34, 0x12});
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machine->get_memory().set_at(0x1234, 0xF6);
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machine->get_memory().set_at(0x1235, 0xAB);
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try {
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machine->execute();
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}
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catch (exception) {
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}
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ASSERT_EQ(0xABF6, machine->get_cpu().get_pc().get_value());
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}
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TEST(LoadOpcodeHandlerContainer, JSR) {
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auto machine = create_machine({JSR, 0x34, 0x12});
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try {
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machine->execute();
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}
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catch (exception) {
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}
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ASSERT_EQ(0x1234, machine->get_cpu().get_pc().get_value());
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ASSERT_EQ(3, machine->get_stack().pop());
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}
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TEST(LoadOpcodeHandlerContainer, RTS) {
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auto machine = create_machine({JSR, 0x07, 0x06, 0x0, 0x0, 0x0, 0x0, LDA_IMM, 0x99, RTS});
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try {
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machine->execute();
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}
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catch (exception) {
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}
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ASSERT_EQ(0x99, machine->get_cpu().get_a().get_value());
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ASSERT_EQ(0x604, machine->get_cpu().get_pc().get_value());
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} |