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// license:GPL-2.0+
// copyright-holders:Dirk Best
/***************************************************************************
GAYLE
Gate array used in the Amiga 600 and Amiga 1200 computers.
***************************************************************************/
#ifndef MAME_MACHINE_GAYLE_H
#define MAME_MACHINE_GAYLE_H
#pragma once
//**************************************************************************
// 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, const XTAL &clock);
// callbacks
auto int2_handler() { return m_int2_w.bind(); }
auto cs0_read_handler() { return m_cs0_read.bind(); }
auto cs0_write_handler() { return m_cs0_write.bind(); }
auto cs1_read_handler() { return m_cs1_read.bind(); }
auto cs1_write_handler() { return m_cs1_write.bind(); }
// interface
DECLARE_WRITE_LINE_MEMBER( ide_interrupt_w );
uint16_t gayle_r(offs_t offset, uint16_t mem_mask = ~0);
void gayle_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
uint16_t gayle_id_r(offs_t offset, uint16_t mem_mask = ~0);
void gayle_id_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
// inline configuration
void set_id(uint8_t id) { m_gayle_id = id; }
protected:
virtual void device_start() override;
virtual void device_reset() override;
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_t m_gayle_id;
int m_gayle_id_count;
uint8_t m_gayle_reg[4];
};
// device type definition
DECLARE_DEVICE_TYPE(GAYLE, gayle_device)
#endif // MAME_MACHINE_GAYLE_H
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