260 lines
8.0 KiB
C++
260 lines
8.0 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 CMP_IMM = 0xC9;
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const uint8_t CMP_ZPG = 0xC5;
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const uint8_t CMP_ZPG_X = 0xD5;
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const uint8_t CMP_ABS = 0xCD;
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const uint8_t CMP_ABS_X = 0xDD;
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const uint8_t CMP_ABS_Y = 0xD9;
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const uint8_t CMP_IND_X = 0xC1;
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const uint8_t CMP_IND_Y = 0xD1;
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const uint8_t CPX_IMM = 0xE0;
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const uint8_t CPX_ZPG = 0xE4;
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const uint8_t CPX_ABS = 0xEC;
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const uint8_t CPY_IMM = 0xC0;
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const uint8_t CPY_ZPG = 0xC4;
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const uint8_t CPY_ABS = 0xCC;
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TEST(CompareOpcodeHandlerContainer, CMP_IMM_Equal) {
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auto machine = create_machine({CMP_IMM, 100});
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machine->get_cpu().get_a().set_value(100);
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machine->execute();
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ASSERT_EQ(100, machine->get_cpu().get_a().get_value());
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RegisterFlagSet flags{};
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flags.zero = true;
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flags.carry = true;
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ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
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}
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TEST(CompareOpcodeHandlerContainer, CMP_IMM_LessThan) {
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auto machine = create_machine({CMP_IMM, 100});
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machine->get_cpu().get_a().set_value(99);
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machine->execute();
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ASSERT_EQ(99, machine->get_cpu().get_a().get_value());
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RegisterFlagSet flags{};
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flags.negative = true;
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ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
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}
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TEST(CompareOpcodeHandlerContainer, CMP_IMM_GreaterThan) {
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auto machine = create_machine({CMP_IMM, 100});
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machine->get_cpu().get_a().set_value(101);
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machine->execute();
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ASSERT_EQ(101, machine->get_cpu().get_a().get_value());
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RegisterFlagSet flags{};
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flags.carry = true;
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ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
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}
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TEST(CompareOpcodeHandlerContainer, CMP_ZPG) {
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auto machine = create_machine({CMP_ZPG, 0x10});
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machine->get_memory().set_at(0x10, 100);
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machine->get_cpu().get_a().set_value(100);
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machine->execute();
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ASSERT_EQ(100, machine->get_cpu().get_a().get_value());
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ASSERT_EQ(100, machine->get_memory().get_at(0x10));
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RegisterFlagSet flags{};
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flags.zero = true;
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flags.carry = true;
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ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
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}
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TEST(CompareOpcodeHandlerContainer, CMP_ZPG_X) {
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auto machine = create_machine({CMP_ZPG_X, 0x10});
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machine->get_cpu().get_x().set_value(0x5);
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machine->get_memory().set_at(0x15, 100);
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machine->get_cpu().get_a().set_value(100);
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machine->execute();
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ASSERT_EQ(100, machine->get_cpu().get_a().get_value());
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ASSERT_EQ(100, machine->get_memory().get_at(0x15));
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RegisterFlagSet flags{};
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flags.zero = true;
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flags.carry = true;
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ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
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}
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TEST(CompareOpcodeHandlerContainer, CMP_ABS) {
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auto machine = create_machine({CMP_ABS, 0x10, 0x2a});
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machine->get_memory().set_at(0x2a10, 100);
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machine->get_cpu().get_a().set_value(100);
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machine->execute();
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ASSERT_EQ(100, machine->get_cpu().get_a().get_value());
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ASSERT_EQ(100, machine->get_memory().get_at(0x2a10));
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RegisterFlagSet flags{};
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flags.zero = true;
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flags.carry = true;
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ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
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}
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TEST(CompareOpcodeHandlerContainer, CMP_ABS_X) {
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auto machine = create_machine({CMP_ABS_X, 0x10, 0x2a});
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machine->get_cpu().get_x().set_value(0x5);
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machine->get_memory().set_at(0x2a15, 100);
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machine->get_cpu().get_a().set_value(100);
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machine->execute();
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ASSERT_EQ(100, machine->get_cpu().get_a().get_value());
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ASSERT_EQ(100, machine->get_memory().get_at(0x2a15));
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RegisterFlagSet flags{};
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flags.zero = true;
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flags.carry = true;
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ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
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}
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TEST(CompareOpcodeHandlerContainer, CMP_ABS_Y) {
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auto machine = create_machine({CMP_ABS_Y, 0x10, 0x2a});
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machine->get_cpu().get_y().set_value(0x7);
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machine->get_memory().set_at(0x2a17, 100);
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machine->get_cpu().get_a().set_value(100);
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machine->execute();
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ASSERT_EQ(100, machine->get_cpu().get_a().get_value());
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ASSERT_EQ(100, machine->get_memory().get_at(0x2a17));
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RegisterFlagSet flags{};
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flags.zero = true;
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flags.carry = true;
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ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
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}
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TEST(CompareOpcodeHandlerContainer, CMP_IND_X) {
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auto machine = create_machine({CMP_IND_X, 0x55});
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machine->get_cpu().get_x().set_value(0x22);
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machine->get_cpu().get_a().set_value(100);
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machine->get_memory().set_at(0x77, 0x34);
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machine->get_memory().set_at(0x78, 0x12);
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machine->get_memory().set_at(0x1234, 100);
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machine->execute();
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ASSERT_EQ(100, machine->get_cpu().get_a().get_value());
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ASSERT_EQ(100, machine->get_memory().get_at(0x1234));
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RegisterFlagSet flags{};
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flags.zero = true;
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flags.carry = true;
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ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
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}
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TEST(CompareOpcodeHandlerContainer, CMP_IND_Y) {
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auto machine = create_machine({CMP_IND_Y, 0x41});
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machine->get_cpu().get_y().set_value(0x22);
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machine->get_cpu().get_a().set_value(100);
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machine->get_memory().set_at(0x41, 0x34);
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machine->get_memory().set_at(0x42, 0x12);
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machine->get_memory().set_at(0x1256, 100);
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machine->execute();
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ASSERT_EQ(100, machine->get_cpu().get_a().get_value());
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ASSERT_EQ(100, machine->get_memory().get_at(0x1256));
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RegisterFlagSet flags{};
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flags.zero = true;
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flags.carry = true;
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ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
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}
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TEST(CompareOpcodeHandlerContainer, CPX_IMM) {
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auto machine = create_machine({CPX_IMM, 100});
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machine->get_cpu().get_x().set_value(100);
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machine->execute();
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ASSERT_EQ(100, machine->get_cpu().get_x().get_value());
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RegisterFlagSet flags{};
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flags.zero = true;
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flags.carry = true;
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ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
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}
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TEST(CompareOpcodeHandlerContainer, CPX_ZPG) {
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auto machine = create_machine({CPX_ZPG, 0x10});
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machine->get_memory().set_at(0x10, 100);
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machine->get_cpu().get_x().set_value(100);
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machine->execute();
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ASSERT_EQ(100, machine->get_cpu().get_x().get_value());
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ASSERT_EQ(100, machine->get_memory().get_at(0x10));
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RegisterFlagSet flags{};
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flags.zero = true;
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flags.carry = true;
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ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
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}
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TEST(CompareOpcodeHandlerContainer, CPX_ABS) {
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auto machine = create_machine({CPX_ABS, 0x10, 0x2a});
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machine->get_memory().set_at(0x2a10, 100);
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machine->get_cpu().get_x().set_value(100);
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machine->execute();
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ASSERT_EQ(100, machine->get_cpu().get_x().get_value());
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ASSERT_EQ(100, machine->get_memory().get_at(0x2a10));
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RegisterFlagSet flags{};
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flags.zero = true;
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flags.carry = true;
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ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
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}
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TEST(CompareOpcodeHandlerContainer, CPY_IMM) {
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auto machine = create_machine({CPY_IMM, 100});
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machine->get_cpu().get_y().set_value(100);
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machine->execute();
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ASSERT_EQ(100, machine->get_cpu().get_y().get_value());
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RegisterFlagSet flags{};
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flags.zero = true;
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flags.carry = true;
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ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
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}
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TEST(CompareOpcodeHandlerContainer, CPY_ZPG) {
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auto machine = create_machine({CPY_ZPG, 0x10});
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machine->get_memory().set_at(0x10, 100);
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machine->get_cpu().get_y().set_value(100);
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machine->execute();
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ASSERT_EQ(100, machine->get_cpu().get_y().get_value());
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ASSERT_EQ(100, machine->get_memory().get_at(0x10));
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RegisterFlagSet flags{};
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flags.zero = true;
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flags.carry = true;
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ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
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}
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TEST(CompareOpcodeHandlerContainer, CPY_ABS) {
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auto machine = create_machine({CPY_ABS, 0x10, 0x2a});
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machine->get_memory().set_at(0x2a10, 100);
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machine->get_cpu().get_y().set_value(100);
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machine->execute();
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ASSERT_EQ(100, machine->get_cpu().get_y().get_value());
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ASSERT_EQ(100, machine->get_memory().get_at(0x2a10));
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RegisterFlagSet flags{};
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flags.zero = true;
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flags.carry = true;
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ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
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}
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