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// license:BSD-3-Clause
// copyright-holders:R. Belmont
/*********************************************************************
a2applicard.h
Implementation of the PCPI AppliCard Z-80 card
*********************************************************************/
#ifndef __A2BUS_APPLICARD__
#define __A2BUS_APPLICARD__
#include "emu.h"
#include "a2bus.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class a2bus_applicard_device:
public device_t,
public device_a2bus_card_interface
{
public:
// construction/destruction
a2bus_applicard_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
a2bus_applicard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// optional information overrides
virtual machine_config_constructor device_mconfig_additions() const override;
DECLARE_READ8_MEMBER( dma_r );
DECLARE_WRITE8_MEMBER( dma_w );
DECLARE_READ8_MEMBER( z80_io_r );
DECLARE_WRITE8_MEMBER( z80_io_w );
protected:
virtual void device_start() override;
virtual void device_reset() override;
virtual const rom_entry *device_rom_region() const override;
// overrides of standard a2bus slot functions
virtual UINT8 read_c0nx(address_space &space, UINT8 offset) override;
virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data) override;
virtual bool take_c800() override;
required_device<cpu_device> m_z80;
private:
bool m_bROMAtZ80Zero;
bool m_z80stat, m_6502stat;
UINT8 m_toz80, m_to6502;
UINT8 m_z80ram[64*1024];
UINT8 *m_z80rom;
};
// device type definition
extern const device_type A2BUS_APPLICARD;
#endif /* __A2BUS_APPLICARD__ */
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