EightBit/LR35902/fusetest_LR35902/FuseTestRunner.cpp

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#include "stdafx.h"
#include "FuseTestRunner.h"
#include "Disassembler.h"
Fuse::TestRunner::TestRunner(const Test& test, const ExpectedTestResult& expected)
: m_test(test),
m_expected(expected),
m_ram(0x10000),
m_cpu(*this),
m_failed(false),
m_unimplemented(false) {
}
//
void Fuse::TestRunner::initialise() {
m_cpu.powerOn();
disableGameRom();
initialiseRegisters();
initialiseMemory();
}
void Fuse::TestRunner::initialiseRegisters() {
const auto& testState = m_test.registerState;
const auto& inputRegisters = testState.registers;
m_cpu.AF() = inputRegisters[Fuse::RegisterState::AF];
m_cpu.BC() = inputRegisters[Fuse::RegisterState::BC];
m_cpu.DE() = inputRegisters[Fuse::RegisterState::DE];
m_cpu.HL() = inputRegisters[Fuse::RegisterState::HL];
m_cpu.SP() = inputRegisters[Fuse::RegisterState::SP];
m_cpu.PC() = inputRegisters[Fuse::RegisterState::PC];
}
void Fuse::TestRunner::initialiseMemory() {
for (auto memoryDatum : m_test.memoryData) {
auto address = memoryDatum.address;
auto bytes = memoryDatum.bytes;
for (int i = 0; i < bytes.size(); ++i)
poke(address + i, bytes[i]);
}
}
//
void Fuse::TestRunner::check() {
checkregisters();
checkMemory();
}
void Fuse::TestRunner::dumpDifference(const std::string& description, uint8_t actual, uint8_t expected) const {
std::cerr
<< "**** " << description << ", Expected: "
<< EightBit::GameBoy::Disassembler::hex(expected)
<< ", Got: "
<< EightBit::GameBoy::Disassembler::hex(actual)
<< std::endl;
}
void Fuse::TestRunner::dumpDifference(
const std::string& highDescription,
const std::string& lowDescription,
EightBit::register16_t actual, EightBit::register16_t expected) const {
auto expectedHigh = expected.high;
auto expectedLow = expected.low;
auto actualHigh = actual.high;
auto actualLow = actual.low;
if (expectedHigh != actualHigh)
dumpDifference(highDescription, actualHigh, expectedHigh);
if (expectedLow != actualLow)
dumpDifference(lowDescription, actualLow, expectedLow);
}
void Fuse::TestRunner::checkregisters() {
const auto& expectedState = m_expected.registerState;
const auto& expectedRegisters = expectedState.registers;
auto af = m_cpu.AF() == expectedRegisters[Fuse::RegisterState::AF];
auto bc = m_cpu.BC() == expectedRegisters[Fuse::RegisterState::BC];
auto de = m_cpu.DE() == expectedRegisters[Fuse::RegisterState::DE];
auto hl = m_cpu.HL() == expectedRegisters[Fuse::RegisterState::HL];
auto sp = m_cpu.SP() == expectedRegisters[Fuse::RegisterState::SP];
auto pc = m_cpu.PC() == expectedRegisters[Fuse::RegisterState::PC];
auto success =
af && bc && de && hl
&& sp && pc;
if (!success) {
m_failed = true;
std::cerr << "**** Failed test (Register): " << m_test.description << std::endl;
if (!af) {
auto expectedA = expectedRegisters[Fuse::RegisterState::AF].high;
auto gotA = m_cpu.A();
if (expectedA != gotA)
dumpDifference("A", gotA, expectedA);
auto expectedF = expectedRegisters[Fuse::RegisterState::AF].low;
auto gotF = m_cpu.F();
if (expectedF != gotF) {
std::cerr
<< "**** F, Expected: "
<< EightBit::GameBoy::Disassembler::flags(expectedF)
<< ", Got: "
<< EightBit::GameBoy::Disassembler::flags(gotF)
<< std::endl;
}
}
if (!bc) {
auto expectedWord = expectedRegisters[Fuse::RegisterState::BC];
auto actualWord = m_cpu.BC();
dumpDifference("B", "C", actualWord, expectedWord);
}
if (!de) {
auto expectedWord = expectedRegisters[Fuse::RegisterState::DE];
auto actualWord = m_cpu.DE();
dumpDifference("D", "E", actualWord, expectedWord);
}
if (!hl) {
auto expectedWord = expectedRegisters[Fuse::RegisterState::HL];
auto actualWord = m_cpu.HL();
dumpDifference("H", "L", actualWord, expectedWord);
}
if (!sp) {
auto expectedWord = expectedRegisters[Fuse::RegisterState::SP];
auto actualWord = m_cpu.SP();
dumpDifference("SPH", "SPL", actualWord, expectedWord);
}
if (!pc) {
auto expectedWord = expectedRegisters[Fuse::RegisterState::PC];
auto actualWord = m_cpu.PC();
dumpDifference("PCH", "PCL", actualWord, expectedWord);
}
}
}
void Fuse::TestRunner::checkMemory() {
bool first = true;
for (auto memoryDatum : m_expected.memoryData) {
auto bytes = memoryDatum.bytes;
for (int i = 0; i < bytes.size(); ++i) {
auto expected = bytes[i];
uint16_t address = memoryDatum.address + i;
auto actual = m_cpu.BUS().peek(address);
if (expected != actual) {
m_failed = true;
if (first) {
first = false;
std::cerr << "**** Failed test (Memory): " << m_test.description << std::endl;
}
std::cerr
<< "**** Difference: "
<< "Address: " << EightBit::GameBoy::Disassembler::hex(address)
<< " Expected: " << EightBit::GameBoy::Disassembler::hex(expected)
<< " Actual: " << EightBit::GameBoy::Disassembler::hex(actual)
<< std::endl;
}
}
}
}
void Fuse::TestRunner::run() {
initialise();
auto allowedCycles = m_test.registerState.tstates;
try {
m_cpu.run(allowedCycles);
check();
} catch (std::logic_error& error) {
m_unimplemented = true;
std::cerr << "**** Error: " << error.what() << std::endl;
}
}