/*---------
"dtvkcmp"
Compare two kernals and create a binary 'diff' type file
Input files for "dtvkpatch"
By Doug Garmon, (c) 2006
GPL licence

Format: addr byte1 byte2
Only the second byte is used by the dtvkpatch prog, first byte retained as reference
----------*/
#include <stdio.h>

int main(int argc, char *argv[]) {
int count = 0;
int cmp1, cmp2;
FILE *kernal1, *kernal2;

	if (argc == 3 || argc == 4)
	{
		if (kernal1 = fopen(argv[1], "r"))
		{
			if (kernal2 = fopen(argv[2], "r"))
			{
				/* files better be the same size, or there will be problems-- no size check here */
				while ((cmp1 = fgetc(kernal1))!=EOF) {
					cmp2 = fgetc(kernal2);

					if (cmp1 != cmp2)
					{
						printf("%d %d %d\n", count, cmp1, cmp2);
					}
					count++;
				}
			}
			else printf("Error: couldn't open file 2\n");
		}
		else printf("Error: couldn't open file 1\n");
	}
	else printf("Error: Wrong number of arguments\nInput: 'dtvkcmp kernal1 kernal2' or 'dtvkcmp kernal1 kernal2 >savefile'\n");

return(0);
}