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tests/webtbs/tw3540.pp

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+{ %cpu=i386 %opt=-s -Amasm -TWin32 -Rintel}
+{ Source provided for Free Pascal Bug Report 3540 }
+{ Submitted by "Vladimir Panteleev" on  2005-01-11 }
+{ e-mail: thecybershadow@gmail.com }
+library Test;
+
+type
+  Integer=LongInt;
+
+  ULONG=Cardinal;
+  PUCHAR=PChar;
+
+type
+  TMyVars=record
+    RandSeed: Integer;
+    SX: Integer;
+    end;
+
+  TMyData=record
+    SomeConst: Integer;
+    end;
+
+var
+  RMyData:TMyData=(
+    SomeConst: 31337;
+    );
+
+{$R-,Q-}
+
+function CalcAddr(const V):Pointer;stdcall;assembler;
+var
+  P: Integer absolute V;
+asm
+  call @@next
+@@next:
+  pop eax
+  sub eax, offset @@next
+  add eax, P
+end;
+
+type
+  PMyVars=^TMyVars;
+
+var
+  RMyVars: TMyVars;
+
+function MyVars:PMyVars;
+begin MyVars:=CalcAddr(RMyVars) end;
+
+type
+  PMyData=^TMyData;
+
+function MyData:PMyData;
+begin MyData:=CalcAddr(RMyData) end;
+
+procedure VidBufferToScreenBlt(Buffer:PUCHAR; x:ULONG; y:ULONG; width:ULONG; height:ULONG; lDelta:ULONG); stdcall; external;
+type TPalette=array[0..15,0..3]of byte;PPalette=^TPalette;
+function Palette:PPalette; external;
+
+type
+  TBitmapInfo=record
+    Width, Height: Word;
+    Bits: Pointer;
+    end;
+
+procedure DrawBitmap(X, Y: Integer; const Bitmap: TBitmapInfo);
+begin
+  VidBufferToScreenBlt(CalcAddr(Bitmap.Bits^), X, Y, Bitmap.Width, Bitmap.Height, 4);
+end;
+
+const
+  test_palette: TPalette = (
+    ($00, $00, $00, 0),
+    ($80, $00, $00, 0),
+    ($00, $80, $00, 0),
+    ($80, $80, $00, 0),
+    ($00, $00, $80, 0),
+    ($80, $00, $80, 0),
+    ($00, $80, $80, 0),
+    ($80, $80, $80, 0),
+    ($C0, $C0, $C0, 0),
+    ($FF, $00, $00, 0),
+    ($00, $FF, $00, 0),
+    ($FF, $FF, $00, 0),
+    ($00, $00, $FF, 0),
+    ($FF, $00, $FF, 0),
+    ($00, $FF, $FF, 0),
+    ($FF, $FF, $FF, 0));
+
+procedure Draw; stdcall;
+var
+  i:integer;
+  x1,y1,x2,y2:integer;
+begin
+  Palette^:=TPalette(CalcAddr(Test_palette)^);
+end;
+
+end.