Reading The Master Boot Record & FAT of a Normal 1.44 MB Floppy disk (Mini Project) - Hardware Interaction Through C Source Code in C

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Home » C Home » Hardware Interaction Through C Home » Reading The Master Boot Record & FAT of a Normal 1.44 MB Floppy disk (Mini Project)

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Title	Reading The Master Boot Record & FAT of a Normal 1.44 MB Floppy disk (Mini Project)
Author	Rahul Anand Sharma
Author Email	rahul_aurora_it [at] yahoo.co.in
Description	Below program reads the content of MBR and FAT of a 3(1/2)floppy disk and stores the content in files named MBR.dat(for MBR info)and FAT.dat(For FAT info)
Category	C » Hardware Interaction Through C
Hits	369394
Code	Select and Copy the Code
Code : #include<stdio.h> #include<conio.h> #include<dos.h> #include<string.h> char buffer[512],buf[512],c; /Procedure To read the content of MBR and place it ina file/ char mbr() { FILE f; strcpy(buffer,"The MBR is not Good"); _BX=(unsigned)buffer; //Reading The MBR _ES=_DS; _AX=0x0201; _CX=0x0001; // Head:00 Track:00 Sector:01 _DX=0x0000; geninterrupt(0x13); if(strcmp(buffer,"The MBR is not Good")>0) { f=fopen("MBR.DAT","wb+"); fwrite(buffer, sizeof(buffer), 1, f); // Wiriting Content into a file fclose(f); } else printf(" Not A Good Floppy Disk"); return(buffer); } char FAT_table() { FILE f; char *bu; strcpy(buffer,"PART I is not good"); strcpy(buf,"PART II is not good"); printf(" Loading Frist Part "); _BX=(unsigned) buffer; _ES=_DS; _AX=0x0201; //Reading Frist Part FAT table _CX=0x0002; // Head:00 Track:00 Sector:02 _DX=0x0000; geninterrupt(0x13); printf(" PRESS A KEY TO CONTINUE "); getch(); printf(" Loading Second Part"); _BX=(unsigned) buf; _ES=_DS; _AX=0x0201; // Reading Second Part of FAT _CX=0x0003; // Head:00 Track:00 Sector:03 _DX=0x0000; geninterrupt(0x13); if(strcmp(buffer,"PART I is not good")>0&&strcmp(buf,"PART II is not good")>0) { f=fopen("FAT.DAT","wb+"); fwrite(buffer,sizeof(buffer),1,f); fwrite(buf,sizeof(buf),1,f); // Writing the content in a file fclose(f); } else printf(" Not a Good Disk"); strcat(buffer,buf); strcpy(bu,buffer); textcolor(15); cprintf(" Finished Loading"); return(bu); } void main() { x:clrscr(); textcolor(15); cprintf(" INSERT FLOPPY IN A: DRIVE"); cprintf(" PRESS 'ENTER' TO READ THE MBR & FAT CONTENT"); if((c=getch())==13)// To press 'Enter' key { mbr();FAT_table(); } else goto x; getch(); }

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