mirror of
https://github.com/holub/mame
synced 2025-04-16 21:44:32 +03:00
70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
// license:BSD-3-Clause
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// copyright-holders:Olivier Galibert
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/*********************************************************************
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Mac video support, "Sonora" edition
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Supports 5 different modelines at up to 16bpp
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*********************************************************************/
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#ifndef MAME_MACHINE_MAC_VIDEO_SONORA_H
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#define MAME_MACHINE_MAC_VIDEO_SONORA_H
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#pragma once
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#include "emupal.h"
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#include "screen.h"
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class mac_video_sonora_device : public device_t
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{
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public:
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mac_video_sonora_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
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virtual ~mac_video_sonora_device() = default;
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uint8_t vctrl_r(offs_t offset);
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void vctrl_w(offs_t offset, uint8_t data);
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void dac_w(offs_t offset, uint8_t data);
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DECLARE_READ_LINE_MEMBER(vblank) const { return m_screen->vblank(); }
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DECLARE_READ_LINE_MEMBER(hblank) const { return m_screen->hblank(); }
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auto screen_vblank() { return m_screen->screen_vblank(); }
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auto scanline() { return m_screen->scanline(); }
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void set_vram_base(const uint64_t *vram) { m_vram = vram; }
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void set_vram_offset(uint32_t offset) { m_vram_offset = offset; }
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protected:
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virtual void device_start() override;
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virtual void device_reset() override;
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virtual void device_add_mconfig(machine_config &config) override;
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virtual ioport_constructor device_input_ports() const override;
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private:
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struct modeline {
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uint8_t mode_id;
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const char *name;
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uint32_t dotclock;
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uint32_t htot, hfp, hs, hbp;
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uint32_t vtot, vfp, vs, vbp;
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bool supports_16bpp;
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};
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static const modeline modelines[5];
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required_device<screen_device> m_screen;
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required_device<palette_device> m_palette;
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required_ioport m_monitor_config;
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const uint64_t *m_vram;
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uint32_t m_vram_offset;
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uint8_t m_mode, m_depth, m_monitor_id, m_vtest;
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uint8_t m_pal_address, m_pal_idx, m_pal_control, m_pal_colkey;
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int m_modeline_id;
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uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
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};
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DECLARE_DEVICE_TYPE(MAC_VIDEO_SONORA, mac_video_sonora_device)
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#endif /* MAME_MACHINE_MAC_VIDEO_SONORA_H */
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