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-rw-r--r--src/devices/bus/isa/ibm_mfc.h90
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diff --git a/src/devices/bus/isa/ibm_mfc.h b/src/devices/bus/isa/ibm_mfc.h
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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();
+ virtual void device_reset();
+
+ virtual machine_config_constructor device_mconfig_additions() const;
+ virtual ioport_constructor device_input_ports() const;
+
+ virtual const rom_entry* device_rom_region() const;
+
+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__ */