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0014_SMARTDRV.PAS.pas
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Pascal/Delphi Source File
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1993-05-28
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1KB
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56 lines
{ MN> How can I find out if Smartdrv is installed ? I have made a harddisk
MN> benchmark Program, and I would like it to detect if Smartdrv is
MN> installed.
}
Uses Dos;
Function SmartDrvVersion:Integer; { -1 means not inSTALLED }
Var
R: Registers;
B: Array[0..$27] of Byte; { return Buffer }
F: Text;
begin
SmartDrvVersion := -1; { assume NO smartdrv ! }
{--------Check For SmartDrv.EXE---------- }
FillChar( R, Sizeof(R), 0 );
R.AX := $4A10; { install-check }
Intr( $2F, R );
if R.FLAGS and FCARRY = 0 then { OK! }
begin
if R.AX = $BABE then { the MAGIC-# }
begin
SmartDrvVersion := Integer(R.BP);
Exit
end;
end;
{ -------Check For SmartDrv.SYS----------- }
Assign(f,'SMARTAAR');
{$I-}
Reset(f);
{$I+}
if IoResult <> 0 then Exit; { No SmartDrv }
FillChar( R, Sizeof(R), 0 );
R.AX := $4402; { IoCtl }
R.BX := TextRec(f).Handle;
R.CX := Sizeof(B);
R.DS := Seg(B);
R.DX := ofs(B);
MsDos(R); { int 21h }
close(f);
if R.FLAGS and FCARRY <> 0 then Exit; { Error-# in R.AX ...}
SmartDrvVersion := B[$E] + 256* B[$F];
end;
Var
SMV:Integer;
begin
SMV := SmartDrvVersion;
Write(' SmartDrv');
if SMV = -1 then
Writeln(' not installed.')
else
Writeln(' V', SMV div 256,'.',SMV mod 256,' installed.');
end.