cowmonk/cowos
1
0
Fork 0
mirror of https://github.com/cowmonk/cowos.git synced 2025-10-28 06:53:26 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Branch sync and push, reformated and made the OS look more "official"

Browse source
This commit is contained in:
cowmonk 2025-04-17 21:32:48 -07:00
parent 13389f9617
commit 59e39d9842
9 changed files with 270 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

51
kernel/include/drivers/video/vga.h Normal file
View file

@ -0,0 +1,51 @@
#ifndef VGA_H
#define VGA_H
#include <stdint.h>
#include <stddef.h>
/* hardware text mode const */
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_entry_color(enum vga_color fg, enum vga_color bg)
{
return fg | bg << 4;
}
static inline uint16_t
vga_entry(unsigned char uc, uint8_t color)
{
return (uint16_t) uc | (uint16_t) color << 8;
}
/* using mode 3 of VGA 80x25 */
#define VGA_WIDTH 80
#define VGA_HEIGHT 25
#define VGA_MEMORY 0xB8000 /* VGA memory location */
void term init(void);
void term_setcolor(uint8_t color);
void term_putentryat(char c, uint8_t color, size_t x, size_t y);
void term_putchar(char c);
void term_write(const char* data, size_t size);
void term_writestr(const char* data);
#endif #VGA_H