// license:BSD-3-Clause
// copyright-holders:R. Belmont
#pragma once
#ifndef __NUBUS_SPEC8S3_H__
#define __NUBUS_SPEC8S3_H__
#include "emu.h"
#include "nubus.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> nubus_spec8s3_device
class nubus_spec8s3_device :
public device_t,
public device_video_interface,
public device_nubus_card_interface
{
public:
// construction/destruction
nubus_spec8s3_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
nubus_spec8s3_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
// optional information overrides
virtual machine_config_constructor device_mconfig_additions() const override;
virtual const rom_entry *device_rom_region() const override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
DECLARE_READ32_MEMBER(spec8s3_r);
DECLARE_WRITE32_MEMBER(spec8s3_w);
DECLARE_READ32_MEMBER(vram_r);
DECLARE_WRITE32_MEMBER(vram_w);
public:
dynamic_buffer m_vram;
UINT32 *m_vram32;
UINT32 m_mode, m_vbl_disable;
UINT32 m_palette[256], m_colors[3], m_count, m_clutoffs;
emu_timer *m_timer;
std::string m_assembled_tag;
private:
//UINT32 m_7xxxxx_regs[0x100000/4];
//int m_width, m_height, m_patofsx, m_patofsy;
//UINT32 m_vram_addr, m_vram_src;
//UINT8 m_fillbytes[256];
bool m_vbl_pending;
int m_parameter;
};
// device type definition
extern const device_type NUBUS_SPEC8S3;
#endif /* __NUBUS_SPEC8S3_H__ */