EightBit/Z80/fusetest_Z80/FuseTestRunner.cpp
Adrian.Conlon cae34d61d1 Ensure the Z80 unit tests run successfully to completion.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2017-09-07 01:04:09 +01:00

336 lines
9.1 KiB
C++

#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_ports),
m_failed(false),
m_unimplemented(false) {
m_cpu.initialise();
}
//
void Fuse::TestRunner::initialise() {
initialiseRegisters();
initialiseMemory();
m_cpu.powerOn();
}
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.exx();
m_cpu.exxAF();
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.IX() = inputRegisters[Fuse::RegisterState::IX];
m_cpu.IY() = inputRegisters[Fuse::RegisterState::IY];
m_cpu.SP() = inputRegisters[Fuse::RegisterState::SP];
m_cpu.PC() = inputRegisters[Fuse::RegisterState::PC];
m_cpu.MEMPTR() = inputRegisters[Fuse::RegisterState::MEMPTR];
m_cpu.IV() = testState.i;
m_cpu.REFRESH() = testState.r;
m_cpu.IFF1() = testState.iff1;
m_cpu.IFF2() = testState.iff2;
m_cpu.IM() = testState.im;
}
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::Disassembler::hex(expected)
<< ", Got: "
<< EightBit::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().word == expectedRegisters[Fuse::RegisterState::AF].word;
auto bc = m_cpu.BC().word == expectedRegisters[Fuse::RegisterState::BC].word;
auto de = m_cpu.DE().word == expectedRegisters[Fuse::RegisterState::DE].word;
auto hl = m_cpu.HL().word == expectedRegisters[Fuse::RegisterState::HL].word;
m_cpu.exx();
m_cpu.exxAF();
auto af_ = m_cpu.AF().word == expectedRegisters[Fuse::RegisterState::AF_].word;
auto bc_ = m_cpu.BC().word == expectedRegisters[Fuse::RegisterState::BC_].word;
auto de_ = m_cpu.DE().word == expectedRegisters[Fuse::RegisterState::DE_].word;
auto hl_ = m_cpu.HL().word == expectedRegisters[Fuse::RegisterState::HL_].word;
auto ix = m_cpu.IX().word == expectedRegisters[Fuse::RegisterState::IX].word;
auto iy = m_cpu.IY().word == expectedRegisters[Fuse::RegisterState::IY].word;
auto sp = m_cpu.SP().word == expectedRegisters[Fuse::RegisterState::SP].word;
auto pc = m_cpu.PC().word == expectedRegisters[Fuse::RegisterState::PC].word;
auto memptr = m_cpu.MEMPTR().word == expectedRegisters[Fuse::RegisterState::MEMPTR].word;
auto iv = m_cpu.IV() == expectedState.i;
auto refresh = m_cpu.REFRESH() == expectedState.r;
auto iff1 = m_cpu.IFF1() == expectedState.iff1;
auto iff2 = m_cpu.IFF2() == expectedState.iff2;
auto im = m_cpu.IM() == expectedState.im;
// And back again, so the following works as expected...
m_cpu.exx();
m_cpu.exxAF();
auto success =
af && bc && de && hl
&& af_ && bc_ && de_ && hl_
&& ix && iy
&& sp && pc
&& iv && refresh
&& iff1 && iff2
&& im
&& memptr;
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::Disassembler::flags(expectedF)
<< ", Got: "
<< EightBit::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 (!ix) {
auto expectedWord = expectedRegisters[Fuse::RegisterState::IX];
auto actualWord = m_cpu.IX();
dumpDifference("IXH", "IXL", actualWord, expectedWord);
}
if (!iy) {
auto expectedWord = expectedRegisters[Fuse::RegisterState::IY];
auto actualWord = m_cpu.IY();
dumpDifference("IYH", "IYL", 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);
}
if (!memptr) {
auto expectedWord = expectedRegisters[Fuse::RegisterState::MEMPTR];
auto actualWord = m_cpu.MEMPTR();
dumpDifference("MEMPTRH", "MEMPTRL", actualWord, expectedWord);
}
m_cpu.exxAF();
m_cpu.exx();
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::Disassembler::flags(expectedF_)
<< ", Got: "
<< EightBit::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 (!iv) {
std::cerr
<< "**** IV, Expected: "
<< EightBit::Disassembler::hex((uint8_t)expectedState.i)
<< ", Got: "
<< EightBit::Disassembler::hex(m_cpu.IV())
<< std::endl;
}
if (!refresh) {
std::cerr
<< "**** R, Expected: "
<< EightBit::Disassembler::hex((uint8_t)expectedState.r)
<< ", Got: "
<< EightBit::Disassembler::hex((uint8_t)m_cpu.REFRESH())
<< std::endl;
}
if (!iff1) {
std::cerr
<< "**** IFF1, Expected: "
<< (bool)expectedState.iff1
<< ", Got: "
<< m_cpu.IFF1()
<< std::endl;
}
if (!iff2) {
std::cerr
<< "**** IFF2, Expected: "
<< (bool)expectedState.iff2
<< ", Got: "
<< m_cpu.IFF2()
<< std::endl;
}
if (!im) {
std::cerr
<< "**** IM, Expected: "
<< expectedState.im
<< ", Got: "
<< m_cpu.IM()
<< std::endl;
}
}
}
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 = 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::Disassembler::hex(address)
<< " Expected: " << EightBit::Disassembler::hex(expected)
<< " Actual: " << EightBit::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;
}
}