// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
/**********************************************************************
LH5810/LH5811 Input/Output Port Controller
**********************************************************************/
#pragma once
#ifndef __LH5810__
#define __LH5810__
//*************************************************************************
// MACROS / CONSTANTS
//*************************************************************************
enum
{
LH5810_RESET = 4,
LH5810_U,
LH5810_L,
LH5820_F,
LH5810_OPC,
LH5810_G,
LH5810_MSK,
LH5810_IF,
LH5810_DDA,
LH5810_DDB,
LH5810_OPA,
LH5810_OPB
};
//*************************************************************************
// INTERFACE CONFIGURATION MACROS
//*************************************************************************
#define MCFG_LH5810_PORTA_R_CB(_devcb) \
devcb = &lh5810_device::set_porta_r_callback(*device, DEVCB_##_devcb);
#define MCFG_LH5810_PORTA_W_CB(_devcb) \
devcb = &lh5810_device::set_porta_w_callback(*device, DEVCB_##_devcb);
#define MCFG_LH5810_PORTB_R_CB(_devcb) \
devcb = &lh5810_device::set_portb_r_callback(*device, DEVCB_##_devcb);
#define MCFG_LH5810_PORTB_W_CB(_devcb) \
devcb = &lh5810_device::set_portb_w_callback(*device, DEVCB_##_devcb);
#define MCFG_LH5810_PORTC_W_CB(_devcb) \
devcb = &lh5810_device::set_portc_w_callback(*device, DEVCB_##_devcb);
#define MCFG_LH5810_OUT_INT_CB(_devcb) \
devcb = &lh5810_device::set_out_int_callback(*device, DEVCB_##_devcb); //currently unused
//*************************************************************************
// TYPE DEFINITIONS
//*************************************************************************
// ======================> lh5810_device
class lh5810_device : public device_t
{
public:
// construction/destruction
lh5810_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
template<class _Object> static devcb_base &set_porta_r_callback(device_t &device, _Object object) { return downcast<lh5810_device &>(device).m_porta_r_cb.set_callback(object); }
template<class _Object> static devcb_base &set_porta_w_callback(device_t &device, _Object object) { return downcast<lh5810_device &>(device).m_porta_w_cb.set_callback(object); }
template<class _Object> static devcb_base &set_portb_r_callback(device_t &device, _Object object) { return downcast<lh5810_device &>(device).m_portb_r_cb.set_callback(object); }
template<class _Object> static devcb_base &set_portb_w_callback(device_t &device, _Object object) { return downcast<lh5810_device &>(device).m_portb_w_cb.set_callback(object); }
template<class _Object> static devcb_base &set_portc_w_callback(device_t &device, _Object object) { return downcast<lh5810_device &>(device).m_portc_w_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_int_callback(device_t &device, _Object object) { return downcast<lh5810_device &>(device).m_out_int_cb.set_callback(object); }
DECLARE_READ8_MEMBER( data_r );
DECLARE_WRITE8_MEMBER( data_w );
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
private:
devcb_read8 m_porta_r_cb; //port A read
devcb_write8 m_porta_w_cb; //port A write
devcb_read8 m_portb_r_cb; //port B read
devcb_write8 m_portb_w_cb; //port B write
devcb_write8 m_portc_w_cb; //port C write
devcb_write_line m_out_int_cb; //IRQ callback
uint8_t m_reg[0x10];
uint8_t m_irq;
};
// device type definition
extern const device_type LH5810;
#endif