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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
/*********************************************************************
Mac video support, "Sonora" edition
Supports 5 different modelines at up to 16bpp
*********************************************************************/
#ifndef MAME_MACHINE_MAC_VIDEO_SONORA_H
#define MAME_MACHINE_MAC_VIDEO_SONORA_H
#pragma once
#include "emupal.h"
#include "screen.h"
class mac_video_sonora_device : public device_t
{
public:
mac_video_sonora_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
virtual ~mac_video_sonora_device() = default;
uint8_t vctrl_r(offs_t offset);
void vctrl_w(offs_t offset, uint8_t data);
uint8_t dac_r(offs_t offset);
void dac_w(offs_t offset, uint8_t data);
DECLARE_READ_LINE_MEMBER(vblank) const { return m_screen->vblank(); }
DECLARE_READ_LINE_MEMBER(hblank) const { return m_screen->hblank(); }
auto screen_vblank() { return m_screen_vblank.bind(); }
void set_vram_base(const uint64_t *vram) { m_vram = vram; }
void set_vram_offset(uint32_t offset) { m_vram_offset = offset; }
protected:
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_add_mconfig(machine_config &config) override;
virtual ioport_constructor device_input_ports() const override;
private:
struct modeline {
uint8_t mode_id;
const char *name;
uint32_t dotclock;
uint32_t htot, hfp, hs, hbp;
uint32_t vtot, vfp, vs, vbp;
bool supports_16bpp;
};
static const modeline modelines[5];
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
required_ioport m_monitor_config;
devcb_write_line m_screen_vblank;
const uint64_t *m_vram;
uint32_t m_vram_offset;
uint8_t m_mode, m_depth, m_monitor_id, m_vtest;
uint8_t m_pal_address, m_pal_idx, m_pal_control, m_pal_colkey;
int m_modeline_id;
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
};
DECLARE_DEVICE_TYPE(MAC_VIDEO_SONORA, mac_video_sonora_device)
#endif /* MAME_MACHINE_MAC_VIDEO_SONORA_H */
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