Add 8080 test runner

Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
2026-04-20 10:16:48 +00:00 · 2017-06-05 17:31:21 +01:00
parent 8d89f0d98c
commit 4c6f44c394
21 changed files with 4155 additions and 0 deletions
@@ -0,0 +1,85 @@
+#include "stdafx.h"
+#include "Board.h"
+#include "Disassembler.h"
+#include "Configuration.h"
+
+#include <iostream>
+
+Board::Board(const Configuration& configuration)
+: m_configuration(configuration),
+  m_memory(0xffff),
+  m_cpu(EightBit::Intel8080(m_memory, m_ports)) {
+}
+
+void Board::initialise() {
+
+	m_memory.clear();
+	auto romDirectory = m_configuration.getRomDirectory();
+
+	//m_memory.loadRam(romDirectory + "/TEST.COM", 0x100);		// Microcosm
+	//m_memory.loadRam(romDirectory + "/8080PRE.COM", 0x100);	// Bartholomew preliminary
+	m_memory.loadRam(romDirectory + "/8080EX1.COM", 0x100);	// Cringle/Bartholomew
+	//m_memory.loadRam(romDirectory + "/CPUTEST.COM", 0x100);	// SuperSoft diagnostics
+
+	m_memory.set(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));
+	}
+
+	m_cpu.initialise();
+	m_cpu.setProgramCounter(m_configuration.getStartAddress());
+}
+
+void Board::Cpu_ExecutingInstruction_Cpm(const EightBit::Intel8080&) {
+	auto pc = m_cpu.getProgramCounter();
+	switch (pc.word) {
+	case 0x0:	// CP/M warm start
+		m_cpu.halt();
+		m_profiler.dump();
+		break;
+	case 0x5:	// BDOS
+		bdos();
+		break;
+	default:
+		break;
+	}
+}
+
+void Board::bdos() {
+	auto c = m_cpu.C();
+	switch (c) {
+	case 0x2: {
+		auto character = m_cpu.E();
+		std::cout << character;
+		break;
+	}
+	case 0x9:
+		for (uint16_t i = m_cpu.DE().word; m_memory.get(i) != '$'; ++i) {
+			std::cout << m_memory.get(i);
+		}
+		break;
+	}
+}
+
+void Board::Cpu_ExecutingInstruction_Profile(const EightBit::Intel8080& cpu) {
+
+	const auto pc = cpu.getProgramCounter();
+
+	m_profiler.addAddress(pc.word);
+	m_profiler.addInstruction(m_memory.peek(pc.word));
+}
+
+void Board::Cpu_ExecutingInstruction_Debug(const EightBit::Intel8080&) {
+
+	std::cerr
+		<< EightBit::Disassembler::state(m_cpu)
+		<< "\t"
+		<< EightBit::Disassembler::disassemble(m_cpu)
+		<< '\n';
+}