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36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
// Copyright (c) 2023-2026 Chris (boreddevnl)
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// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
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// This header needs to maintain in any file it is present in, as per the GPL license terms.
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#ifndef VGA_H
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#define VGA_H
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#include <stdint.h>
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#include <stdbool.h>
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#define VBE_DISPI_IOPORT_INDEX 0x01CE
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#define VBE_DISPI_IOPORT_DATA 0x01CF
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#define VBE_DISPI_INDEX_ID 0
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#define VBE_DISPI_INDEX_XRES 1
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#define VBE_DISPI_INDEX_YRES 2
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#define VBE_DISPI_INDEX_BPP 3
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#define VBE_DISPI_INDEX_ENABLE 4
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#define VBE_DISPI_INDEX_BANK 5
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#define VBE_DISPI_INDEX_VIRT_WIDTH 6
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#define VBE_DISPI_INDEX_VIRT_HEIGHT 7
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#define VBE_DISPI_INDEX_X_OFFSET 8
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#define VBE_DISPI_INDEX_Y_OFFSET 9
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#define VBE_DISPI_DISABLED 0x00
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#define VBE_DISPI_ENABLED 0x01
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#define VBE_DISPI_LFB_ENABLED 0x40
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#define COLOR_MODE_NORMAL 0
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#define COLOR_MODE_GRAYSCALE 1
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#define COLOR_MODE_MONOCHROME 2
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bool vga_set_mode(uint16_t width, uint16_t height, uint16_t bpp, void **out_framebuffer);
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void vga_set_palette_grayscale(void);
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void vga_set_palette_standard(void);
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#endif
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