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- {
- >Does anybody know how to determine the size of a disk drive. I mean
- >whether it is a 360 K drive or 720 K, 1.4 M or 1.2 M drive. I'm
- >working on a Program which has the ability to Format diskettes and
- >I want it to be able to come up With the size of a disk drive as a
- >default. I have looked at the equipment flag in the BIOS and the
- >only thing I can get out of that is the Type of a disk drive not the
- >size.
- }
- Function VarCMOS(i : Byte) : Byte ;
- begin
- port[$70]:=i;
- VarCMOS:=port[$71]
- end;
-
- Var b : Byte ;
-
- begin
- b:=VarCMOS($10);
- if b and $f0<>0 then
- begin
- Write('Drive A: = ');
- Case (b and $f0) shr 4 of
- 1 : Write('5" 360 Ko');
- 2 : Write('5" 1,2 Mo');
- 3 : Write('3" 720 Ko');
- 4 : Write('3" 1,44 Mo')
- end;
- end;
- if b and $f<>0 then
- begin
- Write(', B: = ');
- Case b and $f of
- 1 : Writeln('5" 360 Ko');
- 2 : Writeln('5" 1,2 Mo');
- 3 : Writeln('3" 720 Ko');
- 4 : Writeln('3" 1,44 Mo')
- end;
- end else WriteLn ;
- end.