EightBit/MC6809/test/Board.h
Adrian Conlon 54e0dcfe36 Move board termination and cycle count etc. into the configuration class.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-10-21 10:28:33 +01:00

68 lines
1.7 KiB
C++

#pragma once
#include "Configuration.h"
#include <string>
#include <Ram.h>
#include <Bus.h>
#include <mc6809.h>
#include <Disassembly.h>
#include <MC6850.h>
class Board : public EightBit::Bus {
public:
Board(const Configuration& configuration);
EightBit::mc6809& CPU() { return m_cpu; }
EightBit::mc6850& ACIA() { return m_acia; }
void initialise();
protected:
virtual EightBit::MemoryMapping mapping(uint16_t address) final;
private:
const Configuration& m_configuration;
EightBit::Ram m_ram = 0x8000; // 0000 - 7FFF, 32K RAM
EightBit::Rom m_unused2000 = 0x2000; // 8000 - 9FFF, 8K unused
EightBit::Ram m_io = 0x2000; // A000 - BFFF, 8K serial interface, minimally decoded
EightBit::Rom m_rom = 0x4000; // C000 - FFFF, 16K ROM
EightBit::mc6850 m_acia;
EightBit::mc6809 m_cpu;
EightBit::Disassembly m_disassembler;
uint64_t m_totalCycleCount = 0UL;
int64_t m_frameCycleCount = 0UL;
// The m_disassembleAt and m_ignoreDisassembly are used to skip pin events
EightBit::register16_t m_disassembleAt = 0x0000;
bool m_ignoreDisassembly = false;
// CPU events
void Cpu_ExecutingInstruction_Debug(EightBit::mc6809&);
void Cpu_ExecutedInstruction_Debug(EightBit::mc6809&);
void Cpu_ExecutedInstruction_Terminator(EightBit::mc6809&);
void Cpu_ExecutedInstruction_Acia(EightBit::mc6809&);
// Bus events
// Allows us to marshal data from memory -> ACIA
void Bus_WrittenByte_Acia(EightBit::EventArgs&);
// Allows us to marshal data from ACIA -> memory
void Bus_ReadingByte_Acia(EightBit::EventArgs&);
// ACIA events
// Allows us to catch a byte being transmitted
void Acia_Transmitting(EightBit::EventArgs&);
// Use the bus data to update the ACIA access/address pins
void updateAciaPins(EightBit::Chip::PinLevel rw);
};