banan-os/kernel/arch/i386/vga.h

44 lines
906 B
C

#pragma once
#include <stdint.h>
enum vga_color
{
VGA_COLOR_BLACK = 0,
VGA_COLOR_BLUE = 1,
VGA_COLOR_GREEN = 2,
VGA_COLOR_CYAN = 3,
VGA_COLOR_RED = 4,
VGA_COLOR_MAGENTA = 5,
VGA_COLOR_BROWN = 6,
VGA_COLOR_LIGHT_GREY = 7,
VGA_COLOR_DARK_GREY = 8,
VGA_COLOR_LIGHT_BLUE = 9,
VGA_COLOR_LIGHT_GREEN = 10,
VGA_COLOR_LIGHT_CYAN = 11,
VGA_COLOR_LIGHT_RED = 12,
VGA_COLOR_LIGHT_MAGENTA = 13,
VGA_COLOR_LIGHT_BROWN = 14,
VGA_COLOR_WHITE = 15,
};
static inline uint8_t vga_set_foreground(enum vga_color fg, uint8_t color)
{
return (color & 0xf0) | fg;
}
static inline uint8_t vga_set_background(enum vga_color bg, uint8_t color)
{
return (bg << 4) | (color & 0x0f);
}
static inline uint8_t vga_entry_color(enum vga_color fg, enum vga_color bg)
{
return (bg << 4) | fg;
}
static inline uint16_t vga_entry(unsigned char uc, uint8_t color)
{
return (uint16_t) uc | (uint16_t) color << 8;
}