mirror of
https://github.com/dingusdev/dingusppc.git
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83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
/*
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DingusPPC - The Experimental PowerPC Macintosh emulator
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Copyright (C) 2018-21 divingkatae and maximum
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(theweirdo) spatium
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(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/** @file Definitions for the PDM on-board video. */
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#ifndef PDM_ONBOARD_H
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#define PDM_ONBOARD_H
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#include <devices/memctrl/hmc.h>
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#include <devices/video/videoctrl.h>
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#include <cinttypes>
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#define PDM_VMODE_OFF 0x1F
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/** Max. size of our framebuffer in bytes (RGB 13-inch, 16 bpp) */
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#define PDM_FB_SIZE_MAX (640 * 480 * 2)
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/** Fixed video modes supported by the PDM on-board video. */
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enum PdmVideoMode : uint8_t {
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Portrait = 1,
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Rgb12in = 2,
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Rgb13in = 6,
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Rgb16in = 9,
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VGA = 0xB
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};
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class PdmOnboardVideo : public VideoCtrlBase {
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public:
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PdmOnboardVideo();
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~PdmOnboardVideo() = default;
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uint8_t get_video_mode() {
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return ((this->video_mode & 0x1F) | this->blanking);
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};
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void set_video_mode(uint8_t new_mode);
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void set_pixel_depth(uint8_t depth);
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void set_vdac_config(uint8_t config);
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uint8_t get_vdac_config() {
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return this->vdac_mode;
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};
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void set_clut_index(uint8_t index);
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void set_clut_color(uint8_t color);
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protected:
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void set_depth_internal(int pitch);
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void enable_video_internal();
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void disable_video_internal();
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void convert_frame_1bpp(uint8_t *dst_buf, int dst_pitch);
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private:
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uint8_t video_mode;
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uint8_t pixel_depth;
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uint8_t blanking;
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uint8_t vdac_mode;
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uint8_t clut_index;
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uint8_t comp_index;
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uint8_t clut_color[3];
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HMC* hmc_obj;
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};
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#endif // PDM_ONBOARD_H
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