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// license:BSD-3-Clause
// copyright-holders: Angelo Salese
#ifndef MAME_VIDEO_PC_VGA_NVIDIA_H
#define MAME_VIDEO_PC_VGA_NVIDIA_H
#pragma once
#include "video/pc_vga.h"
#include "screen.h"
class nvidia_nv3_vga_device : public svga_device
{
public:
// Throws DDC issues when tested in SDD
static constexpr feature_type imperfect_features() { return feature::GRAPHICS; }
// construction/destruction
nvidia_nv3_vga_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual uint8_t mem_r(offs_t offset) override;
virtual void mem_w(offs_t offset, uint8_t data) override;
virtual void io_3bx_3dx_map(address_map &map) override ATTR_COLD;
protected:
virtual void device_start() override ATTR_COLD;
virtual void crtc_map(address_map &map) override ATTR_COLD;
virtual ioport_constructor device_input_ports() const override ATTR_COLD;
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
virtual uint16_t offset() override;
private:
u8 m_repaint[2]{};
u16 m_ext_offset = 0;
};
DECLARE_DEVICE_TYPE(NVIDIA_NV3_VGA, nvidia_nv3_vga_device)
#endif // MAME_VIDEO_PC_VGA_NVIDIA_H
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