[syslinux] reference for console printing

[Sergii Kolisnyk]

Hi,

ANSI implementation for com32 is here:
http://git.kernel.org/?p=boot/syslinux/syslinux.git;a=blob;f=com32/lib/sys/ansi.c;hb=HEAD


> Example:
> void
> clear_screen
> {
>  fputs("\033e\033%@\033)0\033(B\1#0\033[?25l\033[2J", stdout);
> }