blob: 850250dd6753957564cfaca7d34e5a4241c06c31 (
plain) (
tree)
|
|
/* needs to stay the first line */
asm(".code16gcc\njmp $0, $main");
/* space for additional code */
char WRITE_CHARACTER_TTY = 0x0E;
void put(char c) {
short command = WRITE_CHARACTER_TTY << 8 | c;
// volatile because there is no output, so the function might get optimized away
asm volatile("int $0x10;"
:: "a"(command)
);
}
void main(void)
{
put('h');
put('e');
put('l');
put('l');
put('o');
}
|