mirror of
https://github.com/tdinucci/6502-emulator.git
synced 2025-04-09 17:37:58 +00:00
Compare opcodes
This commit is contained in:
Tony Di Nucci
parent
b722e9dfd6
commit
51812ebd71
@ -208,22 +208,26 @@ namespace emu_6502 {
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bit(machine, get_abs_address(machine));
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}
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void BitwiseOpcodeHandlerContainer::asl_at(Machine& machine, uint16_t address) {
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uint16_t result = machine.get_memory().get_at(address) << 1;
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machine.get_memory().set_at(address, result);
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void BitwiseOpcodeHandlerContainer::asl(emu_6502::Machine& machine, function<uint8_t()> get_value,
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function<void(uint8_t)> set_value) {
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uint16_t result = get_value() << 1;
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set_value(result);
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auto& ps = machine.get_cpu().get_ps();
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ps.set_carry((result & 0x100) == 0x100);
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set_zero_and_neg_flags(ps, result);
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}
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void BitwiseOpcodeHandlerContainer::asl_acc(Machine& machine) {
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uint16_t result = machine.get_cpu().get_a().get_value() << 1;
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machine.get_cpu().get_a().set_value(result);
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void BitwiseOpcodeHandlerContainer::asl_at(Machine& machine, uint16_t address) {
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asl(machine,
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[&]() { return machine.get_memory().get_at(address); },
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[&](uint8_t value) { machine.get_memory().set_at(address, value); });
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}
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auto& ps = machine.get_cpu().get_ps();
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ps.set_carry((result & 0x100) == 0x100);
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set_zero_and_neg_flags(ps, result);
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void BitwiseOpcodeHandlerContainer::asl_acc(Machine& machine) {
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asl(machine,
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[&]() { return machine.get_cpu().get_a().get_value(); },
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[&](uint8_t value) { machine.get_cpu().get_a().set_value(value); });
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}
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void BitwiseOpcodeHandlerContainer::asl_zpg(Machine& machine) {
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@ -242,24 +246,27 @@ namespace emu_6502 {
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asl_at(machine, get_abs_x_address(machine));
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}
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void BitwiseOpcodeHandlerContainer::lsr_at(Machine& machine, uint16_t address) {
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auto orig = machine.get_memory().get_at(address);
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void BitwiseOpcodeHandlerContainer::lsr(emu_6502::Machine& machine, function<uint8_t()> get_value,
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function<void(uint8_t)> set_value) {
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auto orig = get_value();
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auto result = orig >> 1;
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machine.get_memory().set_at(address, result);
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set_value(result);
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auto& ps = machine.get_cpu().get_ps();
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ps.set_carry((orig & 1) == 1);
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ps.set_zero(result == 0);
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}
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void BitwiseOpcodeHandlerContainer::lsr_acc(Machine& machine) {
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auto orig = machine.get_cpu().get_a().get_value();
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auto result = orig >> 1;
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machine.get_cpu().get_a().set_value(result);
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void BitwiseOpcodeHandlerContainer::lsr_at(Machine& machine, uint16_t address) {
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lsr(machine,
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[&]() { return machine.get_memory().get_at(address); },
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[&](uint8_t value) { machine.get_memory().set_at(address, value); });
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}
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auto& ps = machine.get_cpu().get_ps();
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ps.set_carry((orig & 1) == 1);
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ps.set_zero(result == 0);
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void BitwiseOpcodeHandlerContainer::lsr_acc(Machine& machine) {
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lsr(machine,
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[&]() { return machine.get_cpu().get_a().get_value(); },
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[&](uint8_t value) { machine.get_cpu().get_a().set_value(value); });
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}
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void BitwiseOpcodeHandlerContainer::lsr_zpg(Machine& machine) {
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@ -278,28 +285,28 @@ namespace emu_6502 {
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lsr_at(machine, get_abs_x_address(machine));
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}
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void BitwiseOpcodeHandlerContainer::rol_at(Machine& machine, uint16_t address) {
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uint16_t result = machine.get_memory().get_at(address) << 1;
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void BitwiseOpcodeHandlerContainer::rol(emu_6502::Machine& machine, function<uint8_t()> get_value,
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function<void(uint8_t)> set_value) {
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uint16_t result = get_value() << 1;
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auto& ps = machine.get_cpu().get_ps();
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if (ps.is_carry_set())
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result += 1;
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machine.get_memory().set_at(address, result);
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set_value(result);
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ps.set_carry((result & 0x100) == 0x100);
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set_zero_and_neg_flags(ps, result);
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}
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void BitwiseOpcodeHandlerContainer::rol_at(Machine& machine, uint16_t address) {
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rol(machine,
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[&]() { return machine.get_memory().get_at(address); },
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[&](uint8_t value) { machine.get_memory().set_at(address, value); });
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}
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void BitwiseOpcodeHandlerContainer::rol_acc(Machine& machine) {
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uint16_t result = machine.get_cpu().get_a().get_value() << 1;
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auto& ps = machine.get_cpu().get_ps();
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if (ps.is_carry_set())
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result += 1;
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machine.get_cpu().get_a().set_value(result);
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ps.set_carry((result & 0x100) == 0x100);
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set_zero_and_neg_flags(ps, result);
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rol(machine,
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[&]() { return machine.get_cpu().get_a().get_value(); },
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[&](uint8_t value) { machine.get_cpu().get_a().set_value(value); });
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}
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void BitwiseOpcodeHandlerContainer::rol_zpg(Machine& machine) {
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@ -318,30 +325,30 @@ namespace emu_6502 {
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rol_at(machine, get_abs_x_address(machine));
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}
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void BitwiseOpcodeHandlerContainer::ror_at(Machine& machine, uint16_t address) {
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auto orig = machine.get_memory().get_at(address);
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void BitwiseOpcodeHandlerContainer::ror(Machine& machine, function<uint8_t()> get_value,
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function<void(uint8_t)> set_value) {
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auto orig = get_value();
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auto result = orig >> 1;
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auto& ps = machine.get_cpu().get_ps();
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if (ps.is_carry_set())
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result += 0x80;
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machine.get_memory().set_at(address, result);
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set_value(result);
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ps.set_carry((orig & 1) == 1);
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set_zero_and_neg_flags(ps, result);
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}
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void BitwiseOpcodeHandlerContainer::ror_at(Machine& machine, uint16_t address) {
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ror(machine,
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[&]() { return machine.get_memory().get_at(address); },
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[&](uint8_t value) { machine.get_memory().set_at(address, value); });
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}
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void BitwiseOpcodeHandlerContainer::ror_acc(Machine& machine) {
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auto orig = machine.get_cpu().get_a().get_value();
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auto result = orig >> 1;
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auto& ps = machine.get_cpu().get_ps();
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if (ps.is_carry_set())
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result += 0x80;
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machine.get_cpu().get_a().set_value(result);
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ps.set_carry((orig & 1) == 1);
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set_zero_and_neg_flags(ps, result);
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ror(machine,
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[&]() { return machine.get_cpu().get_a().get_value(); },
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[&](uint8_t value) { machine.get_cpu().get_a().set_value(value); });
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}
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void BitwiseOpcodeHandlerContainer::ror_zpg(Machine& machine) {
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@ -3,6 +3,7 @@
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#include "opcode-handler-container.h"
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namespace emu_6502 {
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class BitwiseOpcodeHandlerContainer : public OpcodeHandlerContainer {
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private:
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@ -99,6 +100,7 @@ namespace emu_6502 {
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void bit_zpg(Machine& machine);
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void bit_abs(Machine& machine);
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void asl(Machine& machine, function<uint8_t()> get_value, function<void(uint8_t)> set_value);
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void asl_at(Machine& machine, uint16_t address);
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void asl_acc(Machine& machine);
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void asl_zpg(Machine& machine);
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@ -106,6 +108,7 @@ namespace emu_6502 {
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void asl_abs(Machine& machine);
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void asl_abs_x(Machine& machine);
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void lsr(Machine& machine, function<uint8_t()> get_value, function<void(uint8_t)> set_value);
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void lsr_at(Machine& machine, uint16_t address);
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void lsr_acc(Machine& machine);
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void lsr_zpg(Machine& machine);
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@ -113,6 +116,7 @@ namespace emu_6502 {
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void lsr_abs(Machine& machine);
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void lsr_abs_x(Machine& machine);
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void rol(Machine& machine, function<uint8_t()> get_value, function<void(uint8_t)> set_value);
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void rol_at(Machine& machine, uint16_t address);
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void rol_acc(Machine& machine);
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void rol_zpg(Machine& machine);
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@ -120,6 +124,7 @@ namespace emu_6502 {
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void rol_abs(Machine& machine);
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void rol_abs_x(Machine& machine);
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void ror(Machine& machine, function<uint8_t()> get_value, function<void(uint8_t)> set_value);
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void ror_at(Machine& machine, uint16_t address);
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void ror_acc(Machine& machine);
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void ror_zpg(Machine& machine);
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@ -1,6 +1,95 @@
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#include "compare-opcode-handler-container.h"
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#include "../../utils.h"
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namespace emu_6502 {
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CompareOpcodeHandlerContainer::CompareOpcodeHandlerContainer() {
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handlers.insert({Op::CMP_IMM, [this](Machine& machine) { cmp_imm(machine); }});
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handlers.insert({Op::CMP_ZPG, [this](Machine& machine) { cmp_zpg(machine); }});
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handlers.insert({Op::CMP_ZPG_X, [this](Machine& machine) { cmp_zpg_x(machine); }});
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handlers.insert({Op::CMP_ABS, [this](Machine& machine) { cmp_abs(machine); }});
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handlers.insert({Op::CMP_ABS_X, [this](Machine& machine) { cmp_abs_x(machine); }});
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handlers.insert({Op::CMP_ABS_Y, [this](Machine& machine) { cmp_abs_y(machine); }});
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handlers.insert({Op::CMP_IND_X, [this](Machine& machine) { cmp_ind_x(machine); }});
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handlers.insert({Op::CMP_IND_Y, [this](Machine& machine) { cmp_ind_y(machine); }});
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handlers.insert({Op::CPX_IMM, [this](Machine& machine) { cpx_imm(machine); }});
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handlers.insert({Op::CPX_ZPG, [this](Machine& machine) { cpx_zpg(machine); }});
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handlers.insert({Op::CPX_ABS, [this](Machine& machine) { cpx_abs(machine); }});
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handlers.insert({Op::CPY_IMM, [this](Machine& machine) { cpy_imm(machine); }});
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handlers.insert({Op::CPY_ZPG, [this](Machine& machine) { cpy_zpg(machine); }});
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handlers.insert({Op::CPY_ABS, [this](Machine& machine) { cpy_abs(machine); }});
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}
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}
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void CompareOpcodeHandlerContainer::cmp(Machine& machine, Register<uint8_t>& reg, uint8_t value) {
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auto reg_val = reg.get_value();
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uint8_t result = reg_val - value;
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auto& ps = machine.get_cpu().get_ps();
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ps.set_carry(false);
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ps.set_zero(false);
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if (reg_val >= value)
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ps.set_carry(true);
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if (reg_val == value)
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ps.set_zero(true);
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if ((result & 0x80) == 0x80)
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ps.set_negative(true);
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}
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void CompareOpcodeHandlerContainer::cmp_imm(Machine& machine) {
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cmp(machine, machine.get_cpu().get_a(), machine.read_program_byte());
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}
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void CompareOpcodeHandlerContainer::cmp_zpg(Machine& machine) {
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cmp(machine, machine.get_cpu().get_a(), machine.get_memory().get_at(get_zpg_address(machine)));
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}
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void CompareOpcodeHandlerContainer::cmp_zpg_x(Machine& machine) {
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cmp(machine, machine.get_cpu().get_a(), machine.get_memory().get_at(get_zpg_x_address(machine)));
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}
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void CompareOpcodeHandlerContainer::cmp_abs(Machine& machine) {
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cmp(machine, machine.get_cpu().get_a(), machine.get_memory().get_at(get_abs_address(machine)));
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}
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void CompareOpcodeHandlerContainer::cmp_abs_x(Machine& machine) {
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cmp(machine, machine.get_cpu().get_a(), machine.get_memory().get_at(get_abs_x_address(machine)));
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}
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void CompareOpcodeHandlerContainer::cmp_abs_y(Machine& machine) {
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cmp(machine, machine.get_cpu().get_a(), machine.get_memory().get_at(get_abs_y_address(machine)));
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}
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void CompareOpcodeHandlerContainer::cmp_ind_x(Machine& machine) {
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cmp(machine, machine.get_cpu().get_a(), machine.get_memory().get_at(get_ind_x_address(machine)));
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}
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void CompareOpcodeHandlerContainer::cmp_ind_y(Machine& machine) {
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cmp(machine, machine.get_cpu().get_a(), machine.get_memory().get_at(get_ind_y_address(machine)));
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}
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void CompareOpcodeHandlerContainer::cpx_imm(Machine& machine) {
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cmp(machine, machine.get_cpu().get_x(), machine.read_program_byte());
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}
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void CompareOpcodeHandlerContainer::cpx_zpg(Machine& machine) {
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cmp(machine, machine.get_cpu().get_x(), machine.get_memory().get_at(get_zpg_address(machine)));
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}
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void CompareOpcodeHandlerContainer::cpx_abs(Machine& machine) {
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cmp(machine, machine.get_cpu().get_x(), machine.get_memory().get_at(get_abs_address(machine)));
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}
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void CompareOpcodeHandlerContainer::cpy_imm(Machine& machine) {
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cmp(machine, machine.get_cpu().get_y(), machine.read_program_byte());
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}
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void CompareOpcodeHandlerContainer::cpy_zpg(Machine& machine) {
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cmp(machine, machine.get_cpu().get_y(), machine.get_memory().get_at(get_zpg_address(machine)));
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}
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void CompareOpcodeHandlerContainer::cpy_abs(Machine& machine) {
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cmp(machine, machine.get_cpu().get_y(), machine.get_memory().get_at(get_abs_address(machine)));
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}
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}
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@ -2,6 +2,7 @@
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#define INC_6502_EMULATOR_COMPARE_OPCODE_HANDLER_CONTAINER_H
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#include "opcode-handler-container.h"
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#include "../../machine/register.h"
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namespace emu_6502 {
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class CompareOpcodeHandlerContainer : public OpcodeHandlerContainer {
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@ -9,7 +10,7 @@ namespace emu_6502 {
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enum Op {
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CMP_IMM = 0xC9,
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CMP_ZPG = 0xC5,
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CMP_ZPX_X = 0xD5,
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CMP_ZPG_X = 0xD5,
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CMP_ABS = 0xCD,
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CMP_ABS_X = 0xDD,
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CMP_ABS_Y = 0xD9,
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@ -20,11 +21,30 @@ namespace emu_6502 {
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CPX_ZPG = 0xE4,
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CPX_ABS = 0xEC,
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CPY_IMM = 0x0,
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CPY_ZPG = 0x0,
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CPY_ABS = 0x0,
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CPY_IMM = 0xC0,
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CPY_ZPG = 0xC4,
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CPY_ABS = 0xCC,
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};
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void cmp(Machine& machine, Register<uint8_t>& reg, uint8_t value);
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void cmp_imm(Machine& machine);
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void cmp_zpg(Machine& machine);
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void cmp_zpg_x(Machine& machine);
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void cmp_abs(Machine& machine);
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void cmp_abs_x(Machine& machine);
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void cmp_abs_y(Machine& machine);
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void cmp_ind_x(Machine& machine);
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void cmp_ind_y(Machine& machine);
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void cpx_imm(Machine& machine);
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void cpx_zpg(Machine& machine);
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void cpx_abs(Machine& machine);
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void cpy_imm(Machine& machine);
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void cpy_zpg(Machine& machine);
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void cpy_abs(Machine& machine);
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public:
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CompareOpcodeHandlerContainer();
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CompareOpcodeHandlerContainer(const CompareOpcodeHandlerContainer&) = delete;
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@ -5,6 +5,7 @@
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#include "handler/maths-opcode-handler-container.h"
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#include "handler/bitwise-opcode-handler-container.h"
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#include "handler/status-opcode-handler-container.h"
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#include "handler/compare-opcode-handler-container.h"
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#include "../utils.h"
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namespace emu_6502 {
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@ -16,6 +17,7 @@ namespace emu_6502 {
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handler_containers.push_back(make_unique<MathsOpcodeHandlerContainer>());
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handler_containers.push_back(make_unique<BitwiseOpcodeHandlerContainer>());
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handler_containers.push_back(make_unique<StatusOpcodeHandlerContainer>());
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handler_containers.push_back(make_unique<CompareOpcodeHandlerContainer>());
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init_handlers();
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}
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259
test/compare-opcode-handler-test.cpp
Normal file
259
test/compare-opcode-handler-test.cpp
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@ -0,0 +1,259 @@
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#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();
|
||||
|
||||
ASSERT_EQ(100, machine->get_cpu().get_a().get_value());
|
||||
|
||||
RegisterFlagSet flags{};
|
||||
flags.zero = true;
|
||||
flags.carry = true;
|
||||
ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
|
||||
}
|
||||
|
||||
TEST(CompareOpcodeHandlerContainer, CMP_IMM_LessThan) {
|
||||
auto machine = create_machine({CMP_IMM, 100});
|
||||
machine->get_cpu().get_a().set_value(99);
|
||||
machine->execute();
|
||||
|
||||
ASSERT_EQ(99, machine->get_cpu().get_a().get_value());
|
||||
|
||||
RegisterFlagSet flags{};
|
||||
flags.negative = true;
|
||||
ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
|
||||
}
|
||||
|
||||
TEST(CompareOpcodeHandlerContainer, CMP_IMM_GreaterThan) {
|
||||
auto machine = create_machine({CMP_IMM, 100});
|
||||
machine->get_cpu().get_a().set_value(101);
|
||||
machine->execute();
|
||||
|
||||
ASSERT_EQ(101, machine->get_cpu().get_a().get_value());
|
||||
|
||||
RegisterFlagSet flags{};
|
||||
flags.carry = true;
|
||||
ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
|
||||
}
|
||||
|
||||
TEST(CompareOpcodeHandlerContainer, CMP_ZPG) {
|
||||
auto machine = create_machine({CMP_ZPG, 0x10});
|
||||
machine->get_memory().set_at(0x10, 100);
|
||||
machine->get_cpu().get_a().set_value(100);
|
||||
machine->execute();
|
||||
|
||||
ASSERT_EQ(100, machine->get_cpu().get_a().get_value());
|
||||
ASSERT_EQ(100, machine->get_memory().get_at(0x10));
|
||||
|
||||
RegisterFlagSet flags{};
|
||||
flags.zero = true;
|
||||
flags.carry = true;
|
||||
ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
|
||||
}
|
||||
|
||||
TEST(CompareOpcodeHandlerContainer, CMP_ZPG_X) {
|
||||
auto machine = create_machine({CMP_ZPG_X, 0x10});
|
||||
machine->get_cpu().get_x().set_value(0x5);
|
||||
machine->get_memory().set_at(0x15, 100);
|
||||
machine->get_cpu().get_a().set_value(100);
|
||||
machine->execute();
|
||||
|
||||
ASSERT_EQ(100, machine->get_cpu().get_a().get_value());
|
||||
ASSERT_EQ(100, machine->get_memory().get_at(0x15));
|
||||
|
||||
RegisterFlagSet flags{};
|
||||
flags.zero = true;
|
||||
flags.carry = true;
|
||||
ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
|
||||
}
|
||||
|
||||
TEST(CompareOpcodeHandlerContainer, CMP_ABS) {
|
||||
auto machine = create_machine({CMP_ABS, 0x10, 0x2a});
|
||||
machine->get_memory().set_at(0x2a10, 100);
|
||||
machine->get_cpu().get_a().set_value(100);
|
||||
machine->execute();
|
||||
|
||||
ASSERT_EQ(100, machine->get_cpu().get_a().get_value());
|
||||
ASSERT_EQ(100, machine->get_memory().get_at(0x2a10));
|
||||
|
||||
RegisterFlagSet flags{};
|
||||
flags.zero = true;
|
||||
flags.carry = true;
|
||||
ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
|
||||
}
|
||||
|
||||
TEST(CompareOpcodeHandlerContainer, CMP_ABS_X) {
|
||||
auto machine = create_machine({CMP_ABS_X, 0x10, 0x2a});
|
||||
machine->get_cpu().get_x().set_value(0x5);
|
||||
machine->get_memory().set_at(0x2a15, 100);
|
||||
machine->get_cpu().get_a().set_value(100);
|
||||
machine->execute();
|
||||
|
||||
ASSERT_EQ(100, machine->get_cpu().get_a().get_value());
|
||||
ASSERT_EQ(100, machine->get_memory().get_at(0x2a15));
|
||||
|
||||
RegisterFlagSet flags{};
|
||||
flags.zero = true;
|
||||
flags.carry = true;
|
||||
ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
|
||||
}
|
||||
|
||||
TEST(CompareOpcodeHandlerContainer, CMP_ABS_Y) {
|
||||
auto machine = create_machine({CMP_ABS_Y, 0x10, 0x2a});
|
||||
machine->get_cpu().get_y().set_value(0x7);
|
||||
machine->get_memory().set_at(0x2a17, 100);
|
||||
machine->get_cpu().get_a().set_value(100);
|
||||
machine->execute();
|
||||
|
||||
ASSERT_EQ(100, machine->get_cpu().get_a().get_value());
|
||||
ASSERT_EQ(100, machine->get_memory().get_at(0x2a17));
|
||||
|
||||
RegisterFlagSet flags{};
|
||||
flags.zero = true;
|
||||
flags.carry = true;
|
||||
ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
|
||||
}
|
||||
|
||||
TEST(CompareOpcodeHandlerContainer, CMP_IND_X) {
|
||||
auto machine = create_machine({CMP_IND_X, 0x55});
|
||||
machine->get_cpu().get_x().set_value(0x22);
|
||||
machine->get_cpu().get_a().set_value(100);
|
||||
machine->get_memory().set_at(0x77, 0x34);
|
||||
machine->get_memory().set_at(0x78, 0x12);
|
||||
machine->get_memory().set_at(0x1234, 100);
|
||||
machine->execute();
|
||||
|
||||
ASSERT_EQ(100, machine->get_cpu().get_a().get_value());
|
||||
ASSERT_EQ(100, machine->get_memory().get_at(0x1234));
|
||||
|
||||
RegisterFlagSet flags{};
|
||||
flags.zero = true;
|
||||
flags.carry = true;
|
||||
ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
|
||||
}
|
||||
|
||||
TEST(CompareOpcodeHandlerContainer, CMP_IND_Y) {
|
||||
auto machine = create_machine({CMP_IND_Y, 0x41});
|
||||
machine->get_cpu().get_y().set_value(0x22);
|
||||
machine->get_cpu().get_a().set_value(100);
|
||||
machine->get_memory().set_at(0x41, 0x34);
|
||||
machine->get_memory().set_at(0x42, 0x12);
|
||||
machine->get_memory().set_at(0x1256, 100);
|
||||
machine->execute();
|
||||
|
||||
ASSERT_EQ(100, machine->get_cpu().get_a().get_value());
|
||||
ASSERT_EQ(100, machine->get_memory().get_at(0x1256));
|
||||
|
||||
RegisterFlagSet flags{};
|
||||
flags.zero = true;
|
||||
flags.carry = true;
|
||||
ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
|
||||
}
|
||||
|
||||
TEST(CompareOpcodeHandlerContainer, CPX_IMM) {
|
||||
auto machine = create_machine({CPX_IMM, 100});
|
||||
machine->get_cpu().get_x().set_value(100);
|
||||
machine->execute();
|
||||
|
||||
ASSERT_EQ(100, machine->get_cpu().get_x().get_value());
|
||||
|
||||
RegisterFlagSet flags{};
|
||||
flags.zero = true;
|
||||
flags.carry = true;
|
||||
ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
|
||||
}
|
||||
|
||||
TEST(CompareOpcodeHandlerContainer, CPX_ZPG) {
|
||||
auto machine = create_machine({CPX_ZPG, 0x10});
|
||||
machine->get_memory().set_at(0x10, 100);
|
||||
machine->get_cpu().get_x().set_value(100);
|
||||
machine->execute();
|
||||
|
||||
ASSERT_EQ(100, machine->get_cpu().get_x().get_value());
|
||||
ASSERT_EQ(100, machine->get_memory().get_at(0x10));
|
||||
|
||||
RegisterFlagSet flags{};
|
||||
flags.zero = true;
|
||||
flags.carry = true;
|
||||
ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
|
||||
}
|
||||
|
||||
TEST(CompareOpcodeHandlerContainer, CPX_ABS) {
|
||||
auto machine = create_machine({CPX_ABS, 0x10, 0x2a});
|
||||
machine->get_memory().set_at(0x2a10, 100);
|
||||
machine->get_cpu().get_x().set_value(100);
|
||||
machine->execute();
|
||||
|
||||
ASSERT_EQ(100, machine->get_cpu().get_x().get_value());
|
||||
ASSERT_EQ(100, machine->get_memory().get_at(0x2a10));
|
||||
|
||||
RegisterFlagSet flags{};
|
||||
flags.zero = true;
|
||||
flags.carry = true;
|
||||
ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
|
||||
}
|
||||
|
||||
TEST(CompareOpcodeHandlerContainer, CPY_IMM) {
|
||||
auto machine = create_machine({CPY_IMM, 100});
|
||||
machine->get_cpu().get_y().set_value(100);
|
||||
machine->execute();
|
||||
|
||||
ASSERT_EQ(100, machine->get_cpu().get_y().get_value());
|
||||
|
||||
RegisterFlagSet flags{};
|
||||
flags.zero = true;
|
||||
flags.carry = true;
|
||||
ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
|
||||
}
|
||||
|
||||
TEST(CompareOpcodeHandlerContainer, CPY_ZPG) {
|
||||
auto machine = create_machine({CPY_ZPG, 0x10});
|
||||
machine->get_memory().set_at(0x10, 100);
|
||||
machine->get_cpu().get_y().set_value(100);
|
||||
machine->execute();
|
||||
|
||||
ASSERT_EQ(100, machine->get_cpu().get_y().get_value());
|
||||
ASSERT_EQ(100, machine->get_memory().get_at(0x10));
|
||||
|
||||
RegisterFlagSet flags{};
|
||||
flags.zero = true;
|
||||
flags.carry = true;
|
||||
ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
|
||||
}
|
||||
|
||||
TEST(CompareOpcodeHandlerContainer, CPY_ABS) {
|
||||
auto machine = create_machine({CPY_ABS, 0x10, 0x2a});
|
||||
machine->get_memory().set_at(0x2a10, 100);
|
||||
machine->get_cpu().get_y().set_value(100);
|
||||
machine->execute();
|
||||
|
||||
ASSERT_EQ(100, machine->get_cpu().get_y().get_value());
|
||||
ASSERT_EQ(100, machine->get_memory().get_at(0x2a10));
|
||||
|
||||
RegisterFlagSet flags{};
|
||||
flags.zero = true;
|
||||
flags.carry = true;
|
||||
ASSERT_TRUE(are_flags_set(machine->get_cpu().get_ps(), flags));
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user