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49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
#ifndef _DRIVERS_VGA_H
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#define _DRIVERS_VGA_H
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#include <stdint.h>
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#include <stddef.h>
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#define VGA_WIDTH 80
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#define VGA_HEIGHT 25
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#define VGA_MEMORY 0xB8000
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enum vga_color {
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VGA_COLOR_BLACK = 0,
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VGA_COLOR_BLUE = 1,
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VGA_COLOR_GREEN = 2,
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VGA_COLOR_CYAN = 3,
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VGA_COLOR_RED = 4,
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VGA_COLOR_MAGENTA = 5,
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VGA_COLOR_BROWN = 6,
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VGA_COLOR_LIGHT_GREY = 7,
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VGA_COLOR_DARK_GREY = 8,
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VGA_COLOR_LIGHT_BLUE = 9,
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VGA_COLOR_LIGHT_GREEN = 10,
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VGA_COLOR_LIGHT_CYAN = 11,
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VGA_COLOR_LIGHT_RED = 12,
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VGA_COLOR_LIGHT_MAGENTA = 13,
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VGA_COLOR_LIGHT_BROWN = 14,
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VGA_COLOR_WHITE = 15,
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};
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static inline uint8_t vga_entry_color(enum vga_color fg, enum vga_color bg) {
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return fg | (bg << 4);
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}
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static inline uint16_t vga_entry(unsigned char uc, uint8_t color) {
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return (uint16_t)uc | ((uint16_t)color << 8);
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}
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void vga_init(void);
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void vga_clear(void);
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void vga_putc(char c);
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void vga_write(const char* str);
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void vga_set_color(enum vga_color fg, enum vga_color bg);
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void vga_set_cursor(int row, int col);
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void vga_get_cursor(int* row, int* col);
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void vga_enable_cursor(uint8_t cursor_start, uint8_t cursor_end);
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void vga_disable_cursor(void);
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#endif // _DRIVERS_VGA_H
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