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-
- /**************************************************
- UZI (Unix Z80 Implementation) Utilities: bd.c
- ***************************************************/
-
-
- #include <stdio.h>
- #include "unix.h"
- #include "extern.h"
-
- /* Block dump: to examine hard disk.
-
- Usage: bd dev blkno
-
- ************************************************** */
-
- char buf[512];
-
- main(argc,argv)
- int argc;
- char *argv[];
- {
- int i,j;
- unsigned blkno;
- int dev;
-
- if (argc != 3 || !isdigit(argv[1][0]))
- {
- fprintf(stderr,"Usage: bd device blkno\n");
- exit(1);
- }
-
- dev = atoi(argv[1]);
- blkno = atoi(argv[2]);
- bufinit();
- d_open(dev);
-
- dread(dev,blkno,buf);
-
- for (i=0; i < 512/24; ++i)
- {
- printf("%4x ",24*i);
- for (j=0; j < 24; ++j)
- {
- if (( buf[24*i+j]&0x00ff) < 16)
- printf("0%1x ",buf[24*i + j] & 0x00ff);
- else
- printf("%2x ",buf[24*i + j] & 0x00ff);
- }
- printf("\n");
- }
-
- exit(0);
- }
-
-
-
- dread(dev, blk, addr)
- int dev;
- uint16 blk;
- char *addr;
- {
- char *buf;
- char *bread();
-
- buf = bread(dev, blk, 0);
- bcopy(buf, addr, 512);
- bfree(buf, 0);
- }