Espresso/drivers/vga/vga.c

#include <stddef.h>
#include <vga/vga.h>

uint8_t vga_entry_color(enum vga_color fg, enum vga_color bg)
{
  return fg | bg << 4;
}

uint16_t vga_entry(unsigned char uc, uint8_t color)
{
  return (uint16_t) uc | (uint16_t) color << 8;
}