home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Tech Arsenal 1
/
Tech Arsenal (Arsenal Computer).ISO
/
tek-02
/
objovr.zip
/
LOOKOBJ.PAS
< prev
next >
Wrap
Pascal/Delphi Source File
|
1993-01-04
|
1KB
|
52 lines
{$O+}
(*
01/10/90 Fixed bug in the "overlay detector"
Ron Schuster [76666,2322]
*)
unit LookOBJ;
interface
function OBJitized ( I : integer ) : real;
{ Returns Ith component of OBJitized data array. }
implementation
uses
OBJTypes;
var
ThisUnitIsOverlayed : boolean;
type
OBJitizedDataPtr = ^ OBJitizedDataType;
OBJitizedDataPtrPtr = ^ OBJitizedDataPtr;
procedure OBJitizedDataLink;
external;
{$L OBJitize.OBJ }
function OBJitizedData : OBJitizedDataPtr;
begin
if ThisUnitIsOverlayed then
OBJitizedData := OBJitizedDataPtrPtr (
succ ( longint ( @ OBJitizedDataLink ) ) ) ^
else
OBJitizedData := @ OBJitizedDataLink;
end;
function OBJitized ( I : integer ) : real;
begin
OBJitized := OBJitizedData ^ [ I ];
end;
type
WordPtr = ^ word;
begin
ThisUnitIsOverlayed := WordPtr ( $FFFF0000
and longint ( @ OBJitizedDataLink ) ) ^
= $3FCD;
writeln ( 'This unit is overlayed: ', ThisUnitIsOverlayed );
end.