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// license: BSD-3-Clause
// copyright-holders: Dirk Best
/***************************************************************************
Generic Z80 daisy chain device
***************************************************************************/
#ifndef MAME_DEVICES_CPU_Z80_Z80DAISY_GENERIC_H
#define MAME_DEVICES_CPU_Z80_Z80DAISY_GENERIC_H
#pragma once
#include "z80daisy.h"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_Z80DAISY_GENERIC_ADD(_tag, _vector) \
MCFG_DEVICE_ADD(_tag, Z80DAISY_GENERIC, 0) \
z80daisy_generic_device::static_set_vector(*device, _vector); \
#define MCFG_Z80DAISY_GENERIC_INT_CB(_devcb) \
devcb = &z80daisy_generic_device::set_int_handler(*device, DEVCB_##_devcb);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class z80daisy_generic_device : public device_t, public device_z80daisy_interface
{
public:
// construction/destruction
z80daisy_generic_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// callbacks
template <class Object> static devcb_base &set_int_handler(device_t &device, Object &&cb)
{ return downcast<z80daisy_generic_device &>(device).m_int_handler.set_callback(std::forward<Object>(cb)); }
// configuration
static void static_set_vector(device_t &device, uint8_t vector);
DECLARE_WRITE_LINE_MEMBER(int_w);
DECLARE_WRITE_LINE_MEMBER(mask_w);
protected:
// device-level overrides
virtual void device_start() override;
// z80daisy_interface overrides
virtual int z80daisy_irq_state() override;
virtual int z80daisy_irq_ack() override;
virtual void z80daisy_irq_reti() override;
private:
void update_interrupt();
devcb_write_line m_int_handler;
int m_int;
int m_mask;
int m_vector;
};
// device type definition
DECLARE_DEVICE_TYPE(Z80DAISY_GENERIC, z80daisy_generic_device)
#endif // MAME_DEVICES_CPU_Z80_Z80DAISY_GENERIC_H
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