EightBit/M6502/test/Board.cpp

70 lines
1.8 KiB
C++
Raw Normal View History

#include "stdafx.h"
#include "Board.h"
#include "Disassembly.h"
#include <iostream>
#include <sstream>
#include <iomanip>
#include <assert.h>
Board::Board(const Configuration& configuration)
: m_configuration(configuration) {}
void Board::raisePOWER() {
EightBit::Bus::raisePOWER();
CPU().raisePOWER();
CPU().raiseRESET();
CPU().raiseINT();
CPU().raiseNMI();
CPU().raiseSO();
CPU().raiseRDY();
}
void Board::lowerPOWER() {
CPU().lowerPOWER();
EightBit::Bus::lowerPOWER();
}
void Board::initialise() {
auto programFilename = m_configuration.getProgram();
auto programPath = m_configuration.getRomDirectory() + "/" + m_configuration.getProgram();
auto loadAddress = m_configuration.getLoadAddress();
m_ram.load(programPath, loadAddress.word);
// Disassembly output
if (m_configuration.isDebugMode())
CPU().ExecutingInstruction.connect([this] (EightBit::MOS6502& cpu) {
const auto address = cpu.PC();
const auto cell = peek(address);
std::cout << std::hex;
std::cout << "PC=" << std::setw(4) << std::setfill('0') << address << ":";
std::cout << "P=" << m_disassembler.dump_Flags(CPU().P()) << ", ";
std::cout << std::setw(2) << std::setfill('0');
std::cout << "A=" << (int)CPU().A() << ", ";
std::cout << "X=" << (int)CPU().X() << ", ";
std::cout << "Y=" << (int)CPU().Y() << ", ";
std::cout << "S=" << (int)CPU().S() << "\t";
std::cout << m_disassembler.disassemble(address.word);
std::cout << "\n";
});
// Loop detected stop condition
CPU().ExecutedInstruction.connect([this] (EightBit::MOS6502& cpu) {
const auto pc = cpu.PC();
if (m_oldPC != pc) {
m_oldPC = pc;
} else {
lowerPOWER();
auto test = peek(0x0200);
std::cout << std::endl << "** Test=" << std::hex << (int)test;
}
});
poke(0x00, 0x4c);
CPU().pokeWord(1, m_configuration.getStartAddress());
}