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Merge branch 'master' of https://github.com/MoleskiCoder/EightBit

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This commit is contained in:
Adrian Conlon 2018-11-16 23:50:04 +00:00
commit e2e7fd0e00
26 changed files with 372 additions and 95 deletions
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16
Intel8080/test/Board.cpp
View File

@ -10,6 +10,17 @@ Board::Board(const Configuration& configuration)
m_disassembler(*this) {
}
void Board::powerOn() {
EightBit::Bus::powerOn();
CPU().powerOn();
CPU().reset();
}
void Board::powerOff() {
CPU().powerOff();
EightBit::Bus::powerOff();
}
void Board::initialise() {
auto romDirectory = m_configuration.getRomDirectory();
@ -29,9 +40,6 @@ void Board::initialise() {
m_cpu.ExecutingInstruction.connect(std::bind(&Board::Cpu_ExecutingInstruction_Debug, this, std::placeholders::_1));
}
CPU().powerOn();
CPU().reset();
poke(0, 0xc3); // JMP
CPU().pokeWord(1, m_configuration.getStartAddress());
@ -42,7 +50,7 @@ void Board::Cpu_ExecutingInstruction_Cpm(EightBit::Intel8080& cpu) {
switch (cpu.PC().word) {
case 0x0: // CP/M warm start
if (++m_warmstartCount == 3) {
CPU().powerOff();
powerOff();
if (m_configuration.isProfileMode()) {
m_profiler.dump();
}

4
Intel8080/test/Board.h
View File

@ -17,9 +17,11 @@ public:
EightBit::Intel8080& CPU() { return m_cpu; }
const EightBit::Intel8080& CPU() const { return m_cpu; }
void initialise();
virtual void powerOn() final;
virtual void powerOff() final;
protected:
virtual void initialise() final;
virtual EightBit::MemoryMapping mapping(uint16_t address) final {
return { m_ram, 0x0000, 0xffff, EightBit::MemoryMapping::ReadWrite };
}

6
Intel8080/test/test.cpp
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@ -8,14 +8,12 @@ int main(int, char*[]) {
Configuration configuration;
#ifdef _DEBUG
//configuration.setDebugMode(true);
configuration.setDebugMode(true);
configuration.setProfileMode(true);
#endif
//configuration.setDebugMode(true);
EightBit::TestHarness<Configuration, Board> harness(configuration);
harness.initialise();
harness.runLoop();
harness.run();
return 0;
}

63
LR35902/fusetest_LR35902/FuseTestRunner.cpp
View File

@ -4,34 +4,39 @@
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) {
m_expected(expected) {
}
//
void Fuse::TestRunner::initialise() {
m_cpu.powerOn();
disableGameRom();
void Fuse::TestRunner::powerOn() {
EightBit::Bus::powerOn();
CPU().powerOn();
initialiseRegisters();
initialiseMemory();
}
void Fuse::TestRunner::powerOff() {
CPU().powerOff();
EightBit::Bus::powerOff();
}
void Fuse::TestRunner::initialise() {
disableGameRom();
}
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];
CPU().AF() = inputRegisters[Fuse::RegisterState::AF];
CPU().BC() = inputRegisters[Fuse::RegisterState::BC];
CPU().DE() = inputRegisters[Fuse::RegisterState::DE];
CPU().HL() = inputRegisters[Fuse::RegisterState::HL];
m_cpu.SP() = inputRegisters[Fuse::RegisterState::SP];
m_cpu.PC() = inputRegisters[Fuse::RegisterState::PC];
CPU().SP() = inputRegisters[Fuse::RegisterState::SP];
CPU().PC() = inputRegisters[Fuse::RegisterState::PC];
}
void Fuse::TestRunner::initialiseMemory() {
@ -82,13 +87,13 @@ 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 af = CPU().AF() == expectedRegisters[Fuse::RegisterState::AF];
auto bc = CPU().BC() == expectedRegisters[Fuse::RegisterState::BC];
auto de = CPU().DE() == expectedRegisters[Fuse::RegisterState::DE];
auto hl = 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 sp = CPU().SP() == expectedRegisters[Fuse::RegisterState::SP];
auto pc = CPU().PC() == expectedRegisters[Fuse::RegisterState::PC];
auto success =
af && bc && de && hl
@ -100,12 +105,12 @@ void Fuse::TestRunner::checkregisters() {
if (!af) {
auto expectedA = expectedRegisters[Fuse::RegisterState::AF].high;
auto gotA = m_cpu.A();
auto gotA = CPU().A();
if (expectedA != gotA)
dumpDifference("A", gotA, expectedA);
auto expectedF = expectedRegisters[Fuse::RegisterState::AF].low;
auto gotF = m_cpu.F();
auto gotF = CPU().F();
if (expectedF != gotF) {
std::cerr
<< "**** F, Expected: "
@ -118,31 +123,31 @@ void Fuse::TestRunner::checkregisters() {
if (!bc) {
auto expectedWord = expectedRegisters[Fuse::RegisterState::BC];
auto actualWord = m_cpu.BC();
auto actualWord = CPU().BC();
dumpDifference("B", "C", actualWord, expectedWord);
}
if (!de) {
auto expectedWord = expectedRegisters[Fuse::RegisterState::DE];
auto actualWord = m_cpu.DE();
auto actualWord = CPU().DE();
dumpDifference("D", "E", actualWord, expectedWord);
}
if (!hl) {
auto expectedWord = expectedRegisters[Fuse::RegisterState::HL];
auto actualWord = m_cpu.HL();
auto actualWord = CPU().HL();
dumpDifference("H", "L", actualWord, expectedWord);
}
if (!sp) {
auto expectedWord = expectedRegisters[Fuse::RegisterState::SP];
auto actualWord = m_cpu.SP();
auto actualWord = CPU().SP();
dumpDifference("SPH", "SPL", actualWord, expectedWord);
}
if (!pc) {
auto expectedWord = expectedRegisters[Fuse::RegisterState::PC];
auto actualWord = m_cpu.PC();
auto actualWord = CPU().PC();
dumpDifference("PCH", "PCL", actualWord, expectedWord);
}
}
@ -177,10 +182,10 @@ void Fuse::TestRunner::checkMemory() {
void Fuse::TestRunner::run() {
initialise();
powerOn();
auto allowedCycles = m_test.registerState.tstates;
try {
m_cpu.run(allowedCycles);
CPU().run(allowedCycles);
check();
} catch (std::logic_error& error) {
m_unimplemented = true;

10
LR35902/fusetest_LR35902/FuseTestRunner.h
View File

@ -16,11 +16,10 @@ namespace Fuse {
const Test& m_test;
const ExpectedTestResult& m_expected;
bool m_failed;
bool m_unimplemented;
bool m_failed = false;
bool m_unimplemented = false;
EightBit::Ram m_ram;
EightBit::GameBoy::LR35902 m_cpu;
EightBit::Ram m_ram = 0x10000;
void initialise();
void initialiseRegisters();
@ -47,5 +46,8 @@ namespace Fuse {
void run();
bool failed() const { return m_failed; }
bool unimplemented() const { return m_unimplemented; }
virtual void powerOn() final;
virtual void powerOff() final;
};
}

3
LR35902/inc/GameBoyBus.h
View File

@ -36,6 +36,9 @@ namespace EightBit {
Bus() noexcept;
virtual void powerOn() override;
virtual void powerOff() override;
auto& CPU() { return m_cpu; }
auto& VRAM() { return m_videoRam; }
auto& OAMRAM() { return m_oamRam; }

11
LR35902/src/GameBoyBus.cpp
View File

@ -8,6 +8,17 @@ EightBit::GameBoy::Bus::Bus() noexcept
WrittenByte.connect(std::bind(&GameBoy::Bus::Bus_WrittenByte, this, std::placeholders::_1));
}
void EightBit::GameBoy::Bus::powerOn() {
EightBit::Bus::powerOn();
CPU().powerOn();
reset();
}
void EightBit::GameBoy::Bus::powerOff() {
CPU().powerOff();
EightBit::Bus::powerOff();
}
void EightBit::GameBoy::Bus::reset() {
IO().reset();
LR35902::lower(CPU().RESET());

14
M6502/test/Board.cpp
View File

@ -13,6 +13,16 @@ Board::Board(const Configuration& configuration)
m_disassembler(*this, m_cpu, m_symbols),
m_profiler(m_cpu, m_disassembler, m_symbols) {}
void Board::powerOn() {
EightBit::Bus::powerOn();
CPU().powerOn();
}
void Board::powerOff() {
CPU().powerOff();
EightBit::Bus::powerOff();
}
void Board::initialise() {
auto programFilename = m_configuration.getProgram();
@ -57,8 +67,6 @@ void Board::initialise() {
m_pollCounter = 0;
m_pollInterval = m_configuration.getPollInterval();
CPU().powerOn();
poke(0x00, 0x4c);
CPU().pokeWord(1, m_configuration.getStartAddress());
}
@ -77,7 +85,7 @@ void Board::Cpu_ExecutedInstruction_StopLoop(EightBit::MOS6502& cpu) {
if (m_oldPC != pc) {
m_oldPC = pc;
} else {
CPU().powerOff();
powerOff();
auto test = peek(0x0200);
std::cout << std::endl << "** Test=" << std::hex << (int)test;
}

4
M6502/test/Board.h
View File

@ -17,9 +17,11 @@ public:
EightBit::MOS6502& CPU() { return m_cpu; }
void initialise();
virtual void powerOn() final;
virtual void powerOff() final;
protected:
virtual void initialise() final;
virtual EightBit::MemoryMapping mapping(uint16_t address) final {
return { m_ram, 0x0000, 0xffff, EightBit::MemoryMapping::ReadWrite };
}

3
M6502/test/test.cpp
View File

@ -16,8 +16,7 @@ int main(int argc, char* argv[]) {
#endif
EightBit::TestHarness<Configuration, Board> harness(configuration);
harness.initialise();
harness.runLoop();
harness.run();
return 0;
}

4
MC6809/inc/mc6809.h
View File

@ -274,11 +274,11 @@ namespace EightBit {
auto carry() const { return CC() & CF; }
auto halfCarry() const { return CC() & HF; }
auto LS() const { return carry() | (zero() >> 2); } // (C OR Z)
auto LS() const { return carry() || zero(); } // (C OR Z)
auto HI() const { return !LS(); } // !(C OR Z)
auto LT() const { return (negative() >> 3) ^ (overflow() >> 1); } // (N XOR V)
auto GE() const { return !LT(); } // !(N XOR V)
auto LE() const { return (zero() >> 2) | ((negative() >> 3) ^ (overflow() >> 1)); } // (Z OR (N XOR V))
auto LE() const { return zero() || LT(); } // (Z OR (N XOR V))
auto GT() const { return !LE(); } // !(Z OR (N XOR V))
// Branching

21
MC6809/test/Board.cpp
View File

@ -7,11 +7,9 @@ Board::Board(const Configuration& configuration)
m_disassembler(*this, m_cpu) {
}
void Board::initialise() {
void Board::powerOn() {
// Load our BASIC interpreter
const auto directory = m_configuration.getRomDirectory() + "\\";
loadHexFile(directory + "ExBasROM.hex");
EightBit::Bus::powerOn();
// Get the CPU ready for action
CPU().powerOn();
@ -26,6 +24,19 @@ void Board::initialise() {
ACIA().lower(ACIA().CTS());
ACIA().powerOn();
accessAcia();
}
void Board::powerOff() {
ACIA().powerOff();
CPU().powerOff();
EightBit::Bus::powerOff();
}
void Board::initialise() {
// Load our BASIC interpreter
const auto directory = m_configuration.getRomDirectory() + "\\";
loadHexFile(directory + "ExBasROM.hex");
// Once the reset has completed, we can wire the ACIA event handlers...
ACIA().Transmitting.connect(std::bind(&Board::Acia_Transmitting, this, std::placeholders::_1));
@ -95,7 +106,7 @@ void Board::Cpu_ExecutedInstruction_Terminator(EightBit::mc6809&) {
assert(CPU().cycles() > 0);
m_totalCycleCount += CPU().cycles();
if (m_totalCycleCount > Configuration::TerminationCycles)
CPU().powerOff();
powerOff();
}
void Board::Cpu_ExecutedInstruction_Acia(EightBit::mc6809&) {

4
MC6809/test/Board.h
View File

@ -19,9 +19,11 @@ public:
auto& CPU() { return m_cpu; }
auto& ACIA() { return m_acia; }
void initialise();
virtual void powerOn() final;
virtual void powerOff() final;
protected:
virtual void initialise() final;
virtual EightBit::MemoryMapping mapping(uint16_t address) final;
private:

4
MC6809/test/test.cpp
View File

@ -13,11 +13,9 @@ int main(int argc, char* argv[]) {
#ifdef _DEBUG
configuration.setDebugMode(true);
#endif
//configuration.setDebugMode(true);
EightBit::TestHarness<Configuration, Board> harness(configuration);
harness.initialise();
harness.runLoop();
harness.run();
return 0;
}

26
MC6809/unittest/Board.cpp
View File

@ -2,16 +2,38 @@
#include "Board.h"
Board::Board()
: m_cpu(EightBit::mc6809(*this)) {
: m_cpu(EightBit::mc6809(*this)),
m_disassembler(*this, m_cpu) {
}
void Board::initialise() {
void Board::powerOn() {
EightBit::Bus::powerOn();
CPU().powerOn();
CPU().raise(CPU().NMI());
CPU().raise(CPU().FIRQ());
CPU().reset();
}
void Board::powerOff() {
CPU().powerOff();
EightBit::Bus::powerOff();
}
void Board::initialise() {
//CPU().ExecutingInstruction.connect(std::bind(&Board::Cpu_ExecutingInstruction_Debug, this, std::placeholders::_1));
//CPU().ExecutedInstruction.connect(std::bind(&Board::Cpu_ExecutedInstruction_Debug, this, std::placeholders::_1));
}
EightBit::MemoryMapping Board::mapping(uint16_t) {
return { m_ram, 0x0000, 0xffff, EightBit::MemoryMapping::ReadWrite };
}
void Board::Cpu_ExecutingInstruction_Debug(EightBit::mc6809&) {
m_disassembleAt = CPU().PC();
m_ignoreDisassembly = m_disassembler.ignore();
}
void Board::Cpu_ExecutedInstruction_Debug(EightBit::mc6809&) {
if (!m_ignoreDisassembly)
std::cout << m_disassembler.trace(m_disassembleAt) << " " << std::endl;
}

13
MC6809/unittest/Board.h
View File

@ -3,6 +3,7 @@
#include <Ram.h>
#include <Bus.h>
#include <mc6809.h>
#include <Disassembly.h>
class Board : public EightBit::Bus {
public:
@ -10,12 +11,22 @@ public:
EightBit::mc6809& CPU() { return m_cpu; }
void initialise();
virtual void powerOn() final;
virtual void powerOff() final;
protected:
virtual void initialise() final;
virtual EightBit::MemoryMapping mapping(uint16_t address) final;
private:
EightBit::Ram m_ram = 0x10000; // 0000 - FFFF, 64K RAM
EightBit::mc6809 m_cpu;
EightBit::Disassembly m_disassembler;
// The m_disassembleAt and m_ignoreDisassembly are used to skip pin events
EightBit::register16_t m_disassembleAt = 0x0000;
bool m_ignoreDisassembly = false;
void Cpu_ExecutingInstruction_Debug(EightBit::mc6809&);
void Cpu_ExecutedInstruction_Debug(EightBit::mc6809&);
};

189
MC6809/unittest/mc6809_tests.cpp
View File

@ -9,7 +9,7 @@
TEST_CASE("Add Accumulator B to Index Register X Unsigned", "[ABX]") {
Board board;
board.initialise();
board.powerOn();
auto& cpu = board.CPU();
cpu.step(); // Step over the reset
@ -70,7 +70,7 @@ TEST_CASE("Add Accumulator B to Index Register X Unsigned", "[ABX]") {
TEST_CASE("Add Memory Plus Carry to Accumulator", "[ADC][ADCA]") {
Board board;
board.initialise();
board.powerOn();
auto& cpu = board.CPU();
cpu.step(); // Step over the reset
@ -153,7 +153,7 @@ TEST_CASE("Add Memory Plus Carry to Accumulator", "[ADC][ADCA]") {
TEST_CASE("Add Memory to Accumulator", "[ADD][ADDA][ADDB][ADDD]") {
Board board;
board.initialise();
board.powerOn();
auto& cpu = board.CPU();
cpu.step(); // Step over the reset
@ -350,7 +350,7 @@ TEST_CASE("Add Memory to Accumulator", "[ADD][ADDA][ADDB][ADDD]") {
TEST_CASE("Logical AND Accumulator", "[AND][ANDA]") {
Board board;
board.initialise();
board.powerOn();
auto& cpu = board.CPU();
cpu.step(); // Step over the reset
@ -370,7 +370,7 @@ TEST_CASE("Logical AND Accumulator", "[AND][ANDA]") {
TEST_CASE("Shift Accumulator or Memory Byte Left", "[ASL][ASLA]") {
Board board;
board.initialise();
board.powerOn();
auto& cpu = board.CPU();
cpu.step(); // Step over the reset
@ -389,7 +389,7 @@ TEST_CASE("Shift Accumulator or Memory Byte Left", "[ASL][ASLA]") {
TEST_CASE("Shift Accumulator or Memory Byte Right", "[ASR][ASRA]") {
Board board;
board.initialise();
board.powerOn();
auto& cpu = board.CPU();
cpu.step(); // Step over the reset
@ -408,7 +408,7 @@ TEST_CASE("Shift Accumulator or Memory Byte Right", "[ASR][ASRA]") {
TEST_CASE("Bit Test", "[BIT][BITA]") {
Board board;
board.initialise();
board.powerOn();
auto& cpu = board.CPU();
cpu.step(); // Step over the reset
@ -427,7 +427,7 @@ TEST_CASE("Bit Test", "[BIT][BITA]") {
TEST_CASE("Clear Accumulator or Memory", "[CLR][CLRA]") {
Board board;
board.initialise();
board.powerOn();
auto& cpu = board.CPU();
cpu.step(); // Step over the reset
@ -447,7 +447,7 @@ TEST_CASE("Clear Accumulator or Memory", "[CLR][CLRA]") {
TEST_CASE("Compare Memory with a Register", "[CMP][CMPA][CMPB][CMPX]") {
Board board;
board.initialise();
board.powerOn();
auto& cpu = board.CPU();
cpu.step(); // Step over the reset
@ -544,7 +544,7 @@ TEST_CASE("Compare Memory with a Register", "[CMP][CMPA][CMPB][CMPX]") {
TEST_CASE("Decrement Accumulator or Memory", "[DEC][DECA]") {
Board board;
board.initialise();
board.powerOn();
auto& cpu = board.CPU();
cpu.step(); // Step over the reset
@ -593,7 +593,7 @@ TEST_CASE("Decrement Accumulator or Memory", "[DEC][DECA]") {
TEST_CASE("Increment Accumulator or Memory Location by 1", "[INC][INCA]") {
Board board;
board.initialise();
board.powerOn();
auto& cpu = board.CPU();
cpu.step(); // Step over the reset
@ -640,7 +640,7 @@ TEST_CASE("Increment Accumulator or Memory Location by 1", "[INC][INCA]") {
TEST_CASE("Subtract Memory from Accumulator with Borrow (8-bit)", "[SBC][SBCA][SBCB]") {
Board board;
board.initialise();
board.powerOn();
auto& cpu = board.CPU();
cpu.step(); // Step over the reset
@ -729,7 +729,7 @@ TEST_CASE("Subtract Memory from Accumulator with Borrow (8-bit)", "[SBC][SBCA][S
TEST_CASE("Subtract Memory from Register", "[SUB][SUBA]") {
Board board;
board.initialise();
board.powerOn();
auto& cpu = board.CPU();
cpu.step(); // Step over the reset
@ -822,3 +822,166 @@ TEST_CASE("Subtract Memory from Register", "[SUB][SUBA]") {
REQUIRE(cpu.cycles() == 4);
}
}
TEST_CASE(" Branch if Greater Than Zero", "[BGT]") {
Board board;
board.powerOn();
auto& cpu = board.CPU();
cpu.step(); // Step over the reset
board.poke(0, 0x2e); // BGT
board.poke(1, 0x03);
board.poke(2, 0x86); // LDA #1
board.poke(3, 0x01);
board.poke(4, 0x12); // NOP
board.poke(5, 0x86); // LDA #2
board.poke(6, 0x02);
board.poke(7, 0x12); // NOP
SECTION("BGT1") {
cpu.A() = 0;
cpu.CC() = EightBit::mc6809::ZF;
cpu.step();
cpu.step();
REQUIRE(cpu.A() == 1);
}
cpu.reset();
cpu.step();
SECTION("BGT2") {
REQUIRE(cpu.PC() == 0);
cpu.CC() = 0;
cpu.step();
cpu.step();
REQUIRE(cpu.A() == 2);
}
cpu.reset();
cpu.step();
SECTION("BGT3") {
REQUIRE(cpu.PC() == 0);
cpu.CC() = EightBit::mc6809::NF;
cpu.step();
cpu.step();
REQUIRE(cpu.A() == 1);
}
cpu.reset();
cpu.step();
SECTION("BGT4") {
REQUIRE(cpu.PC() == 0);
cpu.CC() = EightBit::mc6809::NF | EightBit::mc6809::VF;
cpu.step();
cpu.step();
REQUIRE(cpu.A() == 2);
}
cpu.reset();
cpu.step();
SECTION("BGT5") {
REQUIRE(cpu.PC() == 0);
cpu.CC() = EightBit::mc6809::ZF | EightBit::mc6809::NF;
cpu.step();
cpu.step();
REQUIRE(cpu.A() == 1);
}
}
TEST_CASE(" Branch if Higher", "[BHI]") {
Board board;
board.powerOn();
auto& cpu = board.CPU();
cpu.step(); // Step over the reset
board.poke(0, 0x22); // BHI
board.poke(1, 0x03);
board.poke(2, 0x86); // LDA #1
board.poke(3, 0x01);
board.poke(4, 0x12); // NOP
board.poke(5, 0x86); // LDA #2
board.poke(6, 0x02);
board.poke(7, 0x12); // NOP
SECTION("BHI1") {
cpu.A() = 0;
cpu.CC() = EightBit::mc6809::ZF;
cpu.step();
cpu.step();
REQUIRE(cpu.A() == 1);
}
}
TEST_CASE("Branch on Less than or Equal to Zero", "[BLE]") {
Board board;
board.powerOn();
auto& cpu = board.CPU();
cpu.step(); // Step over the reset
board.poke(0, 0x2f); // BLE
board.poke(1, 0x03);
board.poke(2, 0x86); // LDA #1
board.poke(3, 0x01);
board.poke(4, 0x12); // NOP
board.poke(5, 0x86); // LDA #2
board.poke(6, 0x02);
board.poke(7, 0x12); // NOP
SECTION("BLE1") {
cpu.A() = 0;
cpu.CC() = EightBit::mc6809::ZF;
cpu.step();
cpu.step();
REQUIRE(cpu.A() == 2);
}
cpu.reset();
cpu.step();
SECTION("BLE2") {
cpu.A() = 0;
cpu.CC() = 0;
cpu.step();
cpu.step();
REQUIRE(cpu.A() == 1);
}
cpu.reset();
cpu.step();
SECTION("BLE3") {
cpu.A() = 0;
cpu.CC() = EightBit::mc6809::NF;
cpu.step();
cpu.step();
REQUIRE(cpu.A() == 2);
}
cpu.reset();
cpu.step();
SECTION("BLE4") {
cpu.A() = 0;
cpu.CC() = EightBit::mc6809::NF | EightBit::mc6809::VF;
cpu.step();
cpu.step();
REQUIRE(cpu.A() == 1);
}
cpu.reset();
cpu.step();
SECTION("BLE5") {
cpu.A() = 0;
cpu.CC() = EightBit::mc6809::ZF | EightBit::mc6809::NF;
cpu.step();
cpu.step();
REQUIRE(cpu.A() == 2);
}
}

2
MC6850/inc/MC6850.h
View File

@ -46,7 +46,7 @@ namespace EightBit {
// +--------+------------------+------------------+--------------------+-----------------------+
// * Leading bit = LSB = Bit 0
// ** Data bit will be zero in 7-bit plus parity modes
// *** Data bit is "don't case" in 7-bit plus parity modes
// *** Data bit is "don't care" in 7-bit plus parity modes
enum ControlRegisters {
CR0 = 0b1, // Counter divide

13
Z80/fusetest_Z80/FuseTestRunner.cpp
View File

@ -10,9 +10,18 @@ Fuse::TestRunner::TestRunner(const Test& test, const ExpectedTestResult& expecte
//
void Fuse::TestRunner::initialise() {
void Fuse::TestRunner::powerOn() {
EightBit::Bus::powerOn();
m_cpu.powerOn();
initialiseRegisters();
}
void Fuse::TestRunner::powerOff() {
m_cpu.powerOff();
EightBit::Bus::powerOff();
}
void Fuse::TestRunner::initialise() {
initialiseMemory();
}
@ -319,7 +328,7 @@ void Fuse::TestRunner::checkMemory() {
void Fuse::TestRunner::run() {
initialise();
powerOn();
auto allowedCycles = m_test.registerState.tstates;
try {
m_cpu.run(allowedCycles);

5
Z80/fusetest_Z80/FuseTestRunner.h
View File

@ -21,7 +21,6 @@ namespace Fuse {
EightBit::InputOutput m_ports;
EightBit::Z80 m_cpu;
void initialise();
void initialiseRegisters();
void initialiseMemory();
@ -36,6 +35,7 @@ namespace Fuse {
EightBit::register16_t actual, EightBit::register16_t expected) const;
protected:
virtual void initialise() final;
virtual EightBit::MemoryMapping mapping(uint16_t address) final {
return { m_ram, 0x0000, 0xffff, EightBit::MemoryMapping::ReadWrite };
}
@ -46,5 +46,8 @@ namespace Fuse {
void run();
bool failed() const { return m_failed; }
bool unimplemented() const { return m_unimplemented; }
virtual void powerOn() final;
virtual void powerOff() final;
};
}

24
Z80/test/Board.cpp
View File

@ -10,6 +10,19 @@ Board::Board(const Configuration& configuration)
m_profiler(m_cpu, m_disassembler) {
}
void Board::powerOn() {
EightBit::Bus::powerOn();
CPU().powerOn();
CPU().reset();
}
void Board::powerOff() {
CPU().powerOff();
EightBit::Bus::powerOff();
}
void Board::initialise() {
auto romDirectory = m_configuration.getRomDirectory();
@ -29,23 +42,18 @@ void Board::initialise() {
m_cpu.ExecutingInstruction.connect(std::bind(&Board::Cpu_ExecutingInstruction_Debug, this, std::placeholders::_1));
}
CPU().powerOn();
CPU().reset();
poke(0, 0xc3); // JMP
poke(1, m_configuration.getStartAddress().low);
poke(2, m_configuration.getStartAddress().high);
CPU().pokeWord(1, m_configuration.getStartAddress());
poke(5, 0xc9); // ret
}
void Board::Cpu_ExecutingInstruction_Cpm(EightBit::Z80& cpu) {
if (UNLIKELY(EightBit::Chip::lowered(cpu.HALT())))
CPU().powerOff();
powerOff();
switch (cpu.PC().word) {
case 0x0: // CP/M warm start
if (++m_warmstartCount == 3) {
CPU().powerOff();
powerOff();
if (m_configuration.isProfileMode()) {
m_profiler.dump();
}

4
Z80/test/Board.h
View File

@ -18,9 +18,11 @@ public:
EightBit::Z80& CPU() { return m_cpu; }
void initialise();
virtual void powerOn() final;
virtual void powerOff() final;
protected:
virtual void initialise() final;
virtual EightBit::MemoryMapping mapping(uint16_t address) final {
return { m_ram, 0x0000, 0xffff, EightBit::MemoryMapping::ReadWrite };
}

3
Z80/test/test.cpp
View File

@ -14,8 +14,7 @@ int main(int, char*[]) {
#endif
EightBit::TestHarness<Configuration, Board> harness(configuration);
harness.initialise();
harness.runLoop();
harness.run();
return 0;
}

7
inc/Bus.h
View File

@ -48,7 +48,12 @@ namespace EightBit {
write(value);
}
virtual void powerOn();
virtual void powerOff();
protected:
virtual void initialise() = 0;
virtual MemoryMapping mapping(uint16_t address) = 0;
uint8_t& reference(uint16_t address);
auto& reference(const register16_t address) { return reference(address.word); }
@ -57,6 +62,8 @@ namespace EightBit {
static std::map<uint16_t, std::vector<uint8_t>> parseHexFile(std::string path);
void loadHexFile(std::string path);
private:
uint8_t m_data = Chip::Mask8;
register16_t m_address = Chip::Mask16;

8
inc/TestHarness.h
View File

@ -55,11 +55,13 @@ namespace EightBit {
return (long long)floating;
}
void runLoop() {
void run() {
m_startTime = now();
m_totalCycles = m_instructions = 0L;
m_startHostCycles = currentHostCycles();
m_board.powerOn();
auto& cpu = m_board.CPU();
while (LIKELY(cpu.powered())) {
@ -71,10 +73,6 @@ namespace EightBit {
m_finishTime = now();
}
void initialise() {
m_board.initialise();
}
private:
BoardT m_board;
long long m_totalCycles = 0;

6
src/Bus.cpp
View File

@ -8,6 +8,12 @@
#include <stdexcept>
#include <cassert>
void EightBit::Bus::powerOn() {
initialise();
}
void EightBit::Bus::powerOff() {}
uint8_t EightBit::Bus::read() {
ReadingByte.fire(EventArgs::empty());
const auto returned = DATA() = reference();