mirror of
https://github.com/MoleskiCoder/EightBit.git
synced 2025-01-11 02:29:50 +00:00
69 lines
1.6 KiB
C++
69 lines
1.6 KiB
C++
#include "stdafx.h"
|
|
#include "Board.h"
|
|
|
|
#include <iostream>
|
|
#include <sstream>
|
|
#include <iomanip>
|
|
#include <assert.h>
|
|
|
|
Board::Board(const Configuration& configuration)
|
|
: m_configuration(configuration),
|
|
m_cpu(EightBit::mc6809(*this)),
|
|
m_disassembler(m_cpu) {}
|
|
|
|
void Board::initialise() {
|
|
|
|
const auto directory = m_configuration.getRomDirectory() + "\\";
|
|
|
|
m_extendedBasic.load(directory + "extbas11.rom");
|
|
m_colorBasic.load(directory + "bas12.rom");
|
|
m_diskBasic.load(directory + "disk11.rom");
|
|
|
|
if (m_configuration.isDebugMode()) {
|
|
CPU().ExecutingInstruction.connect(std::bind(&Board::Cpu_ExecutingInstruction_Debug, this, std::placeholders::_1));
|
|
}
|
|
|
|
CPU().powerOn();
|
|
CPU().reset();
|
|
}
|
|
|
|
void Board::Cpu_ExecutingInstruction_Debug(EightBit::mc6809&) {
|
|
const auto disassembled = m_disassembler.disassemble();
|
|
if (!disassembled.empty())
|
|
std::cout
|
|
<< m_disassembler.dumpState()
|
|
<< disassembled
|
|
<< std::endl;
|
|
}
|
|
|
|
uint8_t& Board::reference(uint16_t address) {
|
|
|
|
// 0x0000 - 0x7fff
|
|
if (address < 0x8000)
|
|
return m_ram.reference(address);
|
|
|
|
// 0x8000 - 0x9fff
|
|
if (address < 0xa000)
|
|
return DATA() = m_extendedBasic.peek(address - 0x8000);
|
|
|
|
// 0xa000 - 0xbfff
|
|
if (address < 0xc000)
|
|
return DATA() = m_colorBasic.peek(address - 0xa000);
|
|
|
|
// 0xc000 - 0xdfff
|
|
if (address < 0xe000)
|
|
return DATA() = m_diskBasic.peek(address - 0xc000);
|
|
|
|
// 0xe000 - 0xfeff
|
|
if (address < 0xff00)
|
|
return DATA() = 0xff;
|
|
|
|
// 0xe000 - 0xfeff
|
|
if (address < 0xfff0)
|
|
return m_io.reference(address - 0xff00);
|
|
|
|
// 0xfff0 - 0xffff
|
|
const auto offset = address - 0xfff0;
|
|
return DATA() = m_colorBasic.peek(0x1ff0 + offset);
|
|
}
|