mirror of
https://github.com/SEPPDROID/Digital-Research-Source-Code.git
synced 2025-10-23 08:24:18 +00:00
105 lines
2.5 KiB
C
105 lines
2.5 KiB
C
/*=======================================================================*/
|
||
/*+---------------------------------------------------------------------+*/
|
||
/*| |*/
|
||
/*| Boot Tracks copy program for the OLIVETTI M20 (Z8000) |*/
|
||
/*| |*/
|
||
/*| Copyright 1983, Zilog Incorporated. |*/
|
||
/*| |*/
|
||
/*+---------------------------------------------------------------------+*/
|
||
/*=======================================================================*/
|
||
|
||
|
||
char copyright[] = "Copyright 1983, Zilog Incorporated";
|
||
|
||
|
||
/* HISTORY
|
||
**
|
||
** 830223 F. Zlotnick (Zilog) -- with assembler routines stolen
|
||
** from S. Savitzky's BIOS.
|
||
**
|
||
*/
|
||
|
||
/************************************************************************/
|
||
|
||
|
||
|
||
#define SECSIZ 256
|
||
#define NSECS 16
|
||
#define TRKSIZE NSECS*SECSIZ
|
||
#define NTRACKS 5
|
||
|
||
#define READ 0 /* Controller command */
|
||
#define WRITE 1 /* Controller command */
|
||
|
||
long map_adr(); /* for physical addresses */
|
||
|
||
int bigbuff[NSECS*SECSIZ*5]; /* Will hold 5 tracks, 2 sides each */
|
||
int drive1, /* Source drive name */
|
||
drive2, /* Target drive name */
|
||
err; /* error return from disk_io routine */
|
||
|
||
main(argc,argv)
|
||
int argc;
|
||
char *argv[];
|
||
{
|
||
register int i,j;
|
||
|
||
if(argc != 3) usage();
|
||
if( strcmp( argv[1], "a:") == 0 ) {
|
||
drive1 = 0;
|
||
if( strcmp( argv[2], "b:") != 0) usage();
|
||
else drive2 = 1;
|
||
}
|
||
else if( strcmp( argv[1], "b:") == 0 ) {
|
||
drive1 = 1;
|
||
if( strcmp( argv[2], "a:") != 0) usage();
|
||
else drive2 = 0;
|
||
}
|
||
else usage();
|
||
if( j = dotrks()) { /* Do the actual copy of the boot tracks */
|
||
printf( "Error %d on track %d\n", err, j);
|
||
exit(1);
|
||
}
|
||
}
|
||
|
||
dotrks()
|
||
{
|
||
register int track, secnum;
|
||
long physaddr, offset;
|
||
|
||
physaddr = map_adr((long) bigbuff, 0);
|
||
offset = 0L;
|
||
for ( track = 0; track < NTRACKS; track++) {
|
||
secnum = track * 32;
|
||
if(err = disk_io(drive1,READ,NSECS,secnum,physaddr + offset))
|
||
return(track);
|
||
secnum += NSECS;
|
||
offset += TRKSIZE;
|
||
if(err = disk_io(drive1,READ,NSECS,secnum,physaddr + offset))
|
||
return(track);
|
||
offset += TRKSIZE;
|
||
}
|
||
offset = 0L;
|
||
for ( track = 0; track < NTRACKS; track++) {
|
||
secnum = track * 32;
|
||
if(err = disk_io(drive2,WRITE,NSECS,secnum,physaddr + offset))
|
||
return(track);
|
||
secnum += NSECS;
|
||
offset += TRKSIZE;
|
||
if(err = disk_io(drive2,WRITE,NSECS,secnum,physaddr + offset))
|
||
return(track);
|
||
offset += TRKSIZE;
|
||
}
|
||
return(0);
|
||
}
|
||
|
||
/*
|
||
* Usage routine tells user he's invoked command incorrectly
|
||
*/
|
||
usage()
|
||
{
|
||
printf("usage:\n\tcpmcopy source dest\n");
|
||
printf("where source is 'a:' and dest is 'b:' or vice versa.\n");
|
||
exit(1);
|
||
}
|