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- /*
- * BOOT Author : Vincent Hayward
- * School of Electrical Engineering
- * Purdue University
- * Dir : boot
- * File : mkabo.c
- * Remarks : Read the stripped a.out file from the lsi11 loader and make
- * it downloadable, compute word count and checksum
- * Usage : cc mkabo.c -o mybindir/mkabo
- */
-
- #include <stdio.h>
-
- unsigned short header[8];
-
- char buffer[28000];
-
- main()
- {
- short wc, *p;
- short chks = 0;
- register int bc;
-
- read(0, header, sizeof(header));
- if(header[0] != 0407 || !header[7]) {
- fprintf(stderr,"mkabo : bad input\n");
- exit(1);
- }
- bc = read(0, buffer, 28000);
- wc = bc / 2;
- write(1, &wc, 2);
- write(1, buffer, bc);
- p = (short *)buffer;
- while(wc--) {
- chks += *p++;
- }
- write(1, &chks, 2);
- fprintf(stderr, "size = %d (oct 0%o), chks 0%o\n", bc, bc, chks & 0xffff);
- exit(0);
- }
-