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53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
#ifndef VGA_H
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#define VGA_H
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include <stdarg.h> // For va_list, va_start, etc.
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// VGA color definitions
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typedef enum {
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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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} vga_color;
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// VGA port addresses
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typedef enum {
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VGA_PORT_INDEX = 0x3D4, // Index register for VGA
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VGA_PORT_DATA = 0x3D5 // Data register for VGA
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} vga_io_port_t;
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// Function prototypes
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uint8_t vga_entry_color(vga_color fg, vga_color bg);
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uint16_t vga_entry(unsigned char uc, uint8_t color);
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void vga_put_entry_at(char c, uint8_t color, size_t x, size_t y);
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void vga_clear(uint8_t color);
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void vga_write_string(const char* data, size_t size);
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void vga_scroll(void);
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void vga_set_cursor_position(size_t x, size_t y);
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size_t vga_get_cursor_position(void);
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void vga_set_cursor_blinking(bool enable);
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void vga_set_cursor_shape(uint8_t start, uint8_t end);
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void vga_set_cursor_color(uint8_t color);
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void vga_set_cursor_blink_rate(uint8_t rate);
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void vga_printf(const char* format, ...);
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#endif |