/* unblink.c has been written by Bisqwit (http://iki.fi/bisqwit/) */

#include <stdio.h>

#ifdef linux
static __inline__ unsigned char inportb(const unsigned short port)
{
   unsigned char _v;
   __asm__ volatile ("inb %1,%0"
             :"=a" (_v):"d" ((unsigned short) port));
   return _v;
}

static __inline__ void outportb(const unsigned short port,
                const unsigned char value)
{
   __asm__ volatile ("outb %0,%1"
             ::"a" ((char) value),"d" ((unsigned short) port));
}

#if 0
#include <unistd.h> /* for libc5 */
#else
#include <sys/io.h> /* for glibc */
#endif
               
#else
#define ioperm(a,b,c)
#include <conio.h>
#include <dos.h>
#endif

int main(void)
{
	puts("Enabling 16 background colors, "
	     "disabling blink and recoloring "
	     "the screen border");
	
	if(ioperm(0x3C0, 0x1B, 1) < 0)return -1;
	
	/* Enable 16 background colors and disable blink */
	inportb(0x3DA);
	outportb(0x3C0, 0x10);
	outportb(0x3C0, 0x04);
	
	/* Set border colour to 0xFF */
	inportb(0x3DA);
	outportb(0x3C0, 0x11);
	outportb(0x3C0, 0xFF);
	
	/* Resume AC normal operation */
	outportb(0x3C0, 0x20);
	
	/* Repalette 0xFF as 000010 */
	outportb(0x3C8, 0xFF);
	outportb(0x3C9, 0);
	outportb(0x3C9, 0);
	outportb(0x3C9, 16);

	return 0;
}