#include <stdio.h>

main()
	{
	int count[7];
	char oldval,saveval;
	long ticks[6];
	int i;
	long scount;
	char *clock = (char *)0xdc0001;
	long SetSignal();
	union {
		char b[4];
		long l;
		} t;
	long counter=-1,diff;

	t.b[0] = 0;

	printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");

	for (i=0; i<6; ++i)
		{
		count[i] = 0;
		ticks[i] = 0;
		}

	/* wait for the seconds to change */
	for (scount = 1000000l,oldval = clock[0];
		oldval == clock[0] && --scount;);
	if (!scount)
		{
		printf("No clock\n");
		return 0;
		}
	oldval &= 15;

	SetSignal(0l,0x7000l);
	while ((0x7000L & SetSignal(0l,0l)) == 0)
		{
		/* wait for 2 readings with the same value, before I did this I */
		/* occasionally got some strange results                        */

		do saveval = clock[0] & 15;
			while (saveval == 15 || saveval != (15 & clock[0]));

		if (saveval == oldval) continue;

		oldval = saveval;
		t.b[1] = *(unsigned char *)0xbfea01;
		t.b[2] = *(unsigned char *)0xbfe901;
		t.b[3] = *(unsigned char *)0xbfe801;
		scount = t.l;
		diff = (65536l + scount - counter) & 0xffffl;
		if (counter == -1)
			{
			counter = scount;
			continue;
			}
		/* force the first counter to print every second */
		count[0] = 10;
		counter = scount;
		for (i=0; i<6; ++i)
			{
			ticks[i] += diff;
			if (count[i] == 10)
				{
				printf("\x9b%d;%d\x48%6d      ",
					15-i,count[i+1]++ * 6+1,ticks[i]);
				count[i] = 0;
				ticks[i] = 0;
				}
			}
		}
	return 0;
	}