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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/*************************************************************************
ldstub.h
Laserdisc player stubs.
*************************************************************************/
#ifndef MAME_MACHINE_LDSTUB_H
#define MAME_MACHINE_LDSTUB_H
#pragma once
#include "laserdsc.h"
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
// device type definition
DECLARE_DEVICE_TYPE(PIONEER_PR7820, pioneer_pr7820_device)
DECLARE_DEVICE_TYPE(PHILIPS_22VP932, philips_22vp932_device)
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> pioneer_pr7820_device
class pioneer_pr7820_device : public laserdisc_device
{
public:
// construction/destruction
pioneer_pr7820_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
// input/output
uint8_t data_available_r() { return CLEAR_LINE; }
uint8_t ready_r() { return ASSERT_LINE; }
uint8_t data_r() { return 0; }
void data_w(uint8_t data) { }
void enter_w(uint8_t data) { }
protected:
// subclass overrides
virtual void player_vsync(const vbi_metadata &vbi, int fieldnum, const attotime &curtime) override { }
virtual int32_t player_update(const vbi_metadata &vbi, int fieldnum, const attotime &curtime) override { return fieldnum; }
virtual void player_overlay(bitmap_yuy16 &bitmap) override { }
};
// ======================> philips_22vp932_device
class philips_22vp932_device : public laserdisc_device
{
public:
// construction/destruction
philips_22vp932_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
// input/output
uint8_t data_r() { return 0; }
void data_w(uint8_t data) { }
void enter_w(uint8_t data) { }
protected:
// subclass overrides
virtual void player_vsync(const vbi_metadata &vbi, int fieldnum, const attotime &curtime) override { }
virtual int32_t player_update(const vbi_metadata &vbi, int fieldnum, const attotime &curtime) override { return fieldnum; }
virtual void player_overlay(bitmap_yuy16 &bitmap) override { }
};
#endif // MAME_MACHINE_LDSTUB_H
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