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// license:BSD-3-Clause
// copyright-holders:R. Belmont
#ifndef MAME_BUS_NUBUS_PDS30_SIGMALVIEW_H
#define MAME_BUS_NUBUS_PDS30_SIGMALVIEW_H
#pragma once
#include "nubus.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> nubus_lview_device
class nubus_lview_device :
public device_t,
public device_video_interface,
public device_nubus_card_interface
{
public:
// construction/destruction
nubus_lview_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
nubus_lview_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual const tiny_rom_entry *device_rom_region() const override;
TIMER_CALLBACK_MEMBER(vbl_tick);
private:
uint32_t lview_r(offs_t offset, uint32_t mem_mask = ~0);
void lview_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
uint32_t vram_r(offs_t offset, uint32_t mem_mask = ~0);
void vram_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
std::vector<uint32_t> m_vram;
uint32_t m_vbl_disable, m_toggle;
uint32_t m_palette[256];
emu_timer *m_timer;
int m_protstate;
};
// device type definition
DECLARE_DEVICE_TYPE(PDS030_LVIEW, nubus_lview_device)
#endif // MAME_BUS_NUBUS_PDS30_SIGMALVIEW_H
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