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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Commodore 64 CP/M cartridge emulation
**********************************************************************/
#ifndef MAME_BUS_C64_CPM_H
#define MAME_BUS_C64_CPM_H
#pragma once
#include "exp.h"
#include "cpu/z80/z80.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> c64_cpm_cartridge_device
class c64_cpm_cartridge_device : public device_t,
public device_c64_expansion_card_interface
{
public:
// construction/destruction
c64_cpm_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
// device_c64_expansion_card_interface overrides
virtual void c64_cd_w(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) override;
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw) override;
private:
inline void update_signals();
required_device<cpu_device> m_maincpu;
int m_enabled;
int m_ba;
int m_reset;
uint8_t dma_r(offs_t offset);
void dma_w(offs_t offset, uint8_t data);
void z80_io(address_map &map);
void z80_mem(address_map &map);
};
// device type definition
DECLARE_DEVICE_TYPE(C64_CPM, c64_cpm_cartridge_device)
#endif // MAME_BUS_C64_CPM_H
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