BSD 4_4 release

[unix-history] / usr / src / sys / luna68k / stand / tape.c

/*
* Copyright (c) 1992 OMRON Corporation.
* Copyright (c) 1992, 1993
*      The Regents of the University of California.  All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* OMRON Corporation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*      This product includes software developed by the University of
*      California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*      @(#)tape.c      8.1 (Berkeley) 6/10/93
*/

/*
* tape.c -- operation commands for TAPE unit.
* by A.Fujita, APR-14-1992
*/

#include <sys/param.h>
#include <luna68k/stand/status.h>

dev_t  rst0 = 0x0000;
dev_t nrst0 = 0x0004;

u_char buff[512];

int
tape(argc, argv)
       int   argc;
       char *argv[];
{
       int size, count;
       u_long *p = (u_long *) buff;

       if (!strcmp(argv[1], "read")) {
               count = 0;
               while ((size = stread(rst0, buff, 512)) == 512)
                       count++;
               printf("tape: size  = %d\n", size);
               printf("tape: count = %d\n", count);
       } else if (!strcmp(argv[1], "write")) {
               for (count = 0; count < 500; count++) {
                       if ((size = stwrite(rst0, buff, 512)) != 512)
                               break;
               }
               printf("tape: size  = %d\n", size);
               printf("tape: count = %d\n", count);
       } else if (!strcmp(argv[1], "rewind")) {
               st_rewind(rst0);
       } else if (!strcmp(argv[1], "weof")) {
               st_write_EOF(rst0);
       } else if (!strcmp(argv[1], "skip")) {
               st_skip(rst0);
       } else {
               return(ST_ERROR);
       }

       return(ST_NORMAL);
}