EightBit/Intel8080/test/Board.cpp

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#include "stdafx.h"
#include "Board.h"
#include "Configuration.h"
#include <iostream>
Board::Board(const Configuration& configuration)
: m_configuration(configuration),
m_cpu(EightBit::Intel8080(*this, m_ports)) {
}
void Board::initialise() {
auto romDirectory = m_configuration.getRomDirectory();
//m_ram.load(romDirectory + "/TEST.COM", 0x100); // Microcosm
//m_ram.load(romDirectory + "/8080PRE.COM", 0x100); // Bartholomew preliminary
m_ram.load(romDirectory + "/8080EX1.COM", 0x100); // Cringle/Bartholomew
//m_ram.load(romDirectory + "/CPUTEST.COM", 0x100); // SuperSoft diagnostics
poke(5, 0xc9); // ret
m_cpu.ExecutingInstruction.connect(std::bind(&Board::Cpu_ExecutingInstruction_Cpm, this, std::placeholders::_1));
if (m_configuration.isProfileMode()) {
m_cpu.ExecutingInstruction.connect(std::bind(&Board::Cpu_ExecutingInstruction_Profile, this, std::placeholders::_1));
}
if (m_configuration.isDebugMode()) {
m_cpu.ExecutingInstruction.connect(std::bind(&Board::Cpu_ExecutingInstruction_Debug, this, std::placeholders::_1));
}
CPU().powerOn();
CPU().PC() = m_configuration.getStartAddress();
}
void Board::Cpu_ExecutingInstruction_Cpm(const EightBit::Intel8080&) {
auto pc = CPU().PC();
switch (pc.word) {
case 0x0: // CP/M warm start
CPU().powerOff();
if (m_configuration.isProfileMode()) {
m_profiler.dump();
}
break;
case 0x5: // BDOS
bdos();
break;
default:
break;
}
}
void Board::bdos() {
auto c = CPU().C();
switch (c) {
case 0x2: {
auto character = CPU().E();
std::cout << character;
break;
}
case 0x9:
for (uint16_t i = CPU().DE().word; peek(i) != '$'; ++i) {
std::cout << peek(i);
}
break;
}
}
void Board::Cpu_ExecutingInstruction_Profile(const EightBit::Intel8080& cpu) {
const auto pc = CPU().PC();
m_profiler.addAddress(pc.word);
m_profiler.addInstruction(peek(pc.word));
}
void Board::Cpu_ExecutingInstruction_Debug(const EightBit::Intel8080&) {
std::cerr
<< EightBit::Disassembler::state(CPU())
<< "\t"
<< m_disassembler.disassemble(CPU())
<< '\n';
}