[ Billy_boy @ 01.08.2005. 21:30 ] @
| #include <stdio.h> /* ** park fixed disk heads */ main() { int cyl; struct {int ax,bx,cx,dx,si,di,ds,es;}srv; srv.ax = 0x0800; srv.dx = 0x0080; /* get fixed disk drive parameters */ if ( sysint ( 0x13, &srv, &srv ) & 1 ) abort ("park: Drive parms NOT returned\n"); srv.ax = 0x0c00; /* set 'seek' command */ cyl = ((srv.cx & 0x00c0)<<2) | ((srv.cx & 0xff00)>>8); srv.dx = 0x0080; if ( sysint ( 0x13, &srv, &srv ) & 1 ) /* park the heads */ abort ("park: Drive C: FAILED to park - error = %02xh\n", (srv.ax & 0xff00)>>8); else printf("park: Drive C: parked at cylinder %d\n", cyl); } |