Uns jetzt lassen sehen, daß ein praktischer Gebrauch des Anschlußes Datenwiederaufnahme Programmierung ist. Uns ein kleines Beispiel nehmen lassen. Das folgende Programm ist das kleine Modell des schlechten Sektorabtastungprogramms für Diskettenlaufwerk (a: ) jedoch ist es nicht das komplette Modell der schlechten Sektorabtastung-Software.

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Ein praktischer Gebrauch eines Anschlußes in der Datenwiederaufnahme

Uns jetzt lassen sehen, daß ein praktischer Gebrauch des Anschlußes Datenwiederaufnahme Programmierung ist. Uns ein kleines Beispiel nehmen lassen. Das folgende Programm ist das kleine Modell des schlechten Sektorabtastungprogramms für Diskettenlaufwerk (a: ) jedoch ist es nicht das komplette Modell der schlechten Sektorabtastung-Software.

Uns das Programm überprüfen lassen:

#include<dos.h>
#include<conio.h>
int main()
{
int rp, head, track, sector, status;
char *buf;

union REGS in, out;
struct SREGS s;
clrscr();

/* Das Plattensystem zurückstellen, um zur Scheibe zu initialisieren */
printf("\n Resetting the disk system....");

for(rp=0;rp<=2;rp++)
{

in.h.ah = 0;
in.h.dl = 0x00;

int86(0x13,&in,&out);
}

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printf("\n\n\n Now Testing the Disk for Bad Sectors....");

/* Scan für schlechte Sektoren */
for(track=0;track<=79;track++)
{

for(head=0;head<=1;head++)
{

for(sector=1;sector<=18;sector++)
{

in.h.ah = 0x04;
in.h.al = 1;
in.h.dl = 0x00;
in.h.ch = track;
in.h.dh = head;
in.h.cl = sector;
in.x.bx = FP_OFF(buf);
s.es = FP_SEG(buf);

int86x(0x13,&in,&out,&s);

if(out.x.cflag)
{

status=out.h.ah;
printf("\n track:%d Head:%d Sector:%d Status ==0x%X",track,head,sector,status);
}
}
}
}
printf("\n\n\nDone");
return 0;
}

Uns jetzt lassen sehen, was sein Ausgang schaut, wie, wenn es schlechten Sektor in der Diskette gibt:

Resetting the disk system....

Now Testing the Disk for Bad Sectors....
track:0 Head:0 Sector:4 Status ==0xA
track:0 Head:0 Sector:5 Status ==0xA
track:1 Head:0 Sector:4 Status ==0xA
track:1 Head:0 Sector:5 Status ==0xA
track:1 Head:0 Sector:6 Status ==0xA
track:1 Head:0 Sector:7 Status ==0xA
track:1 Head:0 Sector:8 Status ==0xA
track:1 Head:0 Sector:11 Status ==0xA
track:1 Head:0 Sector:12 Status ==0xA
track:1 Head:0 Sector:13 Status ==0xA
track:1 Head:0 Sector:14 Status ==0xA
track:1 Head:0 Sector:15 Status ==0xA
track:1 Head:0 Sector:16 Status ==0xA
track:1 Head:0 Sector:17 Status ==0xA
track:1 Head:0 Sector:18 Status ==0xA
track:1 Head:1 Sector:5 Status ==0xA
track:1 Head:1 Sector:6 Status ==0xA
track:1 Head:1 Sector:7 Status ==0xA
track:1 Head:1 Sector:8 Status ==0xA
track:1 Head:1 Sector:9 Status ==0xA
track:1 Head:1 Sector:10 Status ==0xA
track:1 Head:1 Sector:11 Status ==0xA
track:1 Head:1 Sector:12 Status ==0xA
track:1 Head:1 Sector:13 Status ==0xA
track:1 Head:1 Sector:14 Status ==0xA
track:1 Head:1 Sector:15 Status ==0xA
track:1 Head:1 Sector:16 Status ==0xA
track:1 Head:1 Sector:17 Status ==0xA
track:1 Head:1 Sector:18 Status ==0xA
track:2 Head:0 Sector:4 Status ==0xA
track:2 Head:0 Sector:5 Status ==0xA
track:14 Head:0 Sector:6 Status ==0xA

Done

Es kann ein wenig schwierig sein, die Funktionen und Unterbrechungen zu verstehen, die in diesem Programm verwendet werden, um die Scheibe für schlechte Sektoren und das Zurückstellen des Plattensystems etc. zu überprüfen, aber du brauchst nicht dich zu sorgen, werden wir alle diese Sachen im BIOS erlernen und programmierenabschnitte in den folgenden kommenden Kapiteln später unterbrechen.

 

Sample Chapters from book DATA RECOVERY WITH AND WITHOUT PROGRAMMING by Author Tarun Tyagi
Data Recovery with & without Programming


Publishers of the Book
Number of Pages
ISBN
Price of the Book


BPB Publications, New Delhi, India
540
81-7656-922-4
$69.00 (Including Shipping Charges, Cost of Book and Other expenses, Free Source Code CD included with the Book)





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