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// license:BSD-3-Clause
// copyright-holders:Philip Bennett
/***************************************************************************
ISA 8 bit IBM PC Music Feature Card
***************************************************************************/
#pragma once
#ifndef __ISA_IBM_MUSIC_FEATURE_CARD_H__
#define __ISA_IBM_MUSIC_FEATURE_CARD_H__
#include "emu.h"
#include "isa.h"
#include "machine/i8255.h"
#include "machine/i8251.h"
#include "machine/pit8253.h"
#include "sound/2151intf.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> isa8_ibm_mfc_device
class isa8_ibm_mfc_device : public device_t,
public device_isa8_card_interface
{
public:
// Construction/destruction
isa8_ibm_mfc_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
DECLARE_READ8_MEMBER( ppi0_i_a );
DECLARE_WRITE8_MEMBER( ppi0_o_b );
DECLARE_READ8_MEMBER( ppi0_i_c );
DECLARE_WRITE8_MEMBER( ppi0_o_c );
DECLARE_WRITE8_MEMBER( ppi1_o_a );
DECLARE_READ8_MEMBER( ppi1_i_b );
DECLARE_WRITE8_MEMBER( ppi1_o_c );
DECLARE_READ8_MEMBER( ibm_mfc_r );
DECLARE_WRITE8_MEMBER( ibm_mfc_w );
DECLARE_WRITE_LINE_MEMBER( d8253_out0 );
DECLARE_WRITE_LINE_MEMBER( d8253_out1 );
DECLARE_WRITE_LINE_MEMBER( write_usart_clock );
DECLARE_WRITE_LINE_MEMBER( ibm_mfc_ym_irq );
protected:
// Device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual machine_config_constructor device_mconfig_additions() const override;
virtual ioport_constructor device_input_ports() const override;
virtual const rom_entry* device_rom_region() const override;
private:
void set_z80_interrupt(int src, int state);
void set_pc_interrupt(int src, int state);
void update_pc_interrupts(void);
void update_z80_interrupts(void);
UINT8 m_tcr;
UINT8 m_pc_ppi_c;
UINT8 m_z80_ppi_c;
UINT8 m_pc_irq_state;
UINT8 m_z80_irq_state;
required_device<cpu_device> m_cpu;
required_device<ym2151_device> m_ym2151;
required_device<pit8253_device> m_d8253;
required_device<i8251_device> m_d71051;
required_device<i8255_device> m_d71055c_0;
required_device<i8255_device> m_d71055c_1;
};
// Device type definition
extern const device_type ISA8_IBM_MFC;
#endif /* __ISA_IBM_MUSIC_FEATURE_CARD_H__ */
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