Contributor: BOB BAYANI
{
-> I am searching for information on how to access the Fat table and
-> boot sectors through Turbo Pascal v6.0. If anyone knows a book that
-> could point me in the right direction, or would be willing to share
-> some knowledge with me I'd appreciate it. Thanx.
Here's some source to help you out:
}
(*** BEGINS HERE ***)
(***********************************************************************
***
* This is a simple source to demonstrate how to read the File
Allocation
Table (FAT) and get some information on the current drive. This was
written by David Mart, using TP7.0
NOTE: DOS 2.0 or higher is required.
If you have any questions, you can contact me by calling Programmers
Online Systems at 416-512-1928 or simply send me a netmail via
FidoNet
to: 1:250/738.
************************************************************************
**)
Program ReadFAT;
Uses DOS,CRT;
Var
MyRegs : Registers;
ClusterSize : Real;
DiskSize : Real;
Begin
LowVideo;
ClrScr;
Fillchar (MyRegs, sizeof(Registers), 00);
MyRegs.AH := 30ドル;
MyRegs.DS := DSeg;
MsDOS (MyRegs);
Fillchar (MyRegs, sizeof(Registers), 00);
MyRegs.AH := 1ドルB;
MyRegs.DS := DSeg;
MsDOS (MyRegs);
WriteLn;
WriteLn ('Information for current drive: ');
WriteLn;
With MyRegs Do
Begin
WriteLn ('Clusters on disk : ', DX);
WriteLn ('Sectors p/Cluster : ', AL);
WriteLn ('Sector Size (Bytes) : ', CX);
WriteLn;
ClusterSize := (AL * CX);
DiskSize := (ClusterSize * DX);
WriteLn ('Cluster Size (Bytes): ', Round(ClusterSize));
WriteLn ('Disk Space (Bytes) : ', Round(DiskSize));
End;
End.