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// license:GPL-2.0+
// copyright-holders:Dirk Best
/***************************************************************************
GAYLE
Gate array used in the Amiga 600 and Amiga 1200 computers.
***************************************************************************/
#pragma once
#ifndef __GAYLE_H__
#define __GAYLE_H__
#include "emu.h"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_GAYLE_ADD(_tag, _clock, _id) \
MCFG_DEVICE_ADD(_tag, GAYLE, _clock) \
gayle_device::set_id(*device, _id);
#define MCFG_GAYLE_INT2_HANDLER(_devcb) \
devcb = &gayle_device::set_int2_handler(*device, DEVCB_##_devcb);
#define MCFG_GAYLE_CS0_READ_HANDLER(_devcb) \
devcb = &gayle_device::set_cs0_read_handler(*device, DEVCB_##_devcb);
#define MCFG_GAYLE_CS0_WRITE_HANDLER(_devcb) \
devcb = &gayle_device::set_cs0_write_handler(*device, DEVCB_##_devcb);
#define MCFG_GAYLE_CS1_READ_HANDLER(_devcb) \
devcb = &gayle_device::set_cs1_read_handler(*device, DEVCB_##_devcb);
#define MCFG_GAYLE_CS1_WRITE_HANDLER(_devcb) \
devcb = &gayle_device::set_cs1_write_handler(*device, DEVCB_##_devcb);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> gayle_device
class gayle_device : public device_t
{
public:
// construction/destruction
gayle_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// callbacks
template<class _Object> static devcb_base &set_int2_handler(device_t &device, _Object object)
{ return downcast<gayle_device &>(device).m_int2_w.set_callback(object); }
template<class _Object> static devcb_base &set_cs0_read_handler(device_t &device, _Object object)
{ return downcast<gayle_device &>(device).m_cs0_read.set_callback(object); }
template<class _Object> static devcb_base &set_cs0_write_handler(device_t &device, _Object object)
{ return downcast<gayle_device &>(device).m_cs0_write.set_callback(object); }
template<class _Object> static devcb_base &set_cs1_read_handler(device_t &device, _Object object)
{ return downcast<gayle_device &>(device).m_cs1_read.set_callback(object); }
template<class _Object> static devcb_base &set_cs1_write_handler(device_t &device, _Object object)
{ return downcast<gayle_device &>(device).m_cs1_write.set_callback(object); }
// interface
DECLARE_WRITE_LINE_MEMBER( ide_interrupt_w );
DECLARE_READ16_MEMBER( gayle_r );
DECLARE_WRITE16_MEMBER( gayle_w );
DECLARE_READ16_MEMBER( gayle_id_r );
DECLARE_WRITE16_MEMBER( gayle_id_w );
// inline configuration
static void set_id(device_t &device, UINT8 id);
protected:
virtual void device_start();
virtual void device_reset();
private:
enum
{
GAYLE_CS = 0, // interrupt status
GAYLE_IRQ, // interrupt change
GAYLE_INTEN, // interrupt enable register
GAYLE_CFG // config register
};
devcb_write_line m_int2_w;
devcb_read16 m_cs0_read;
devcb_write16 m_cs0_write;
devcb_read16 m_cs1_read;
devcb_write16 m_cs1_write;
UINT8 m_gayle_id;
int m_gayle_id_count;
UINT8 m_gayle_reg[4];
};
// device type definition
extern const device_type GAYLE;
#endif
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