Program to load default boot image to unreadable floppy disk

/// Initialize the Disk System \\\

for(i=0; i<3; i++)
{
regs.h.ah = 0x00; /* Reset Disk System */
regs.h.dl = 0x00; /* Floppy Disk a: */

int86(0x13, &regs, &regs);
}

result = _bios_disk(_DISK_WRITE, &dinfo);

if ((result & 0xff00) == 0)
{
gotoxy(10,14);
cprintf("Disk Write Status :successful.\n");
}
else
{
gotoxy(10,14);
cprintf("Cannot read drive A, status = 0x%02x\n",
result);
gotoxy(10,16);
switch(result)
{
case 0x00:
cprintf("\n\n STATUS: No Error!!");
break;

case 0x01:
cprintf("\n\n STATUS: Bad command");
break;

case 0x02:
cprintf("\n\n STATUS: Address mark not found");
break;

case 0x03:
cprintf("\n\n STATUS: Attempt to write to write- protected disk");
break;

case 0x04:
cprintf("\n\n STATUS: Sector not found");
break;

case 0x06:
cprintf("\n\n STATUS: Disk changed since last operation");
break;

case 0x08:
cprintf("\n\n STATUS: Direct memory access (DMA) overrun");
break;

case 0x09:
cprintf("\n\n STATUS: Attempt to perform DMA across 64K boundary");
break;

case 0x0C:
cprintf("\n\n STATUS: Media type not found");
break;

case 0x10:
cprintf("\n\n STATUS: Bad CRC/ECC on disk read");
break;

case 0x20:
cprintf("\n\n STATUS: Controller has failed");
break;

Sample Chapters from book DATA RECOVERY WITH AND WITHOUT PROGRAMMING by Author Tarun Tyagi

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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