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- #include <intuition/intuition.h>
- #include <intuition/screens.h>
- #include <graphics/gfx.h>
- #include <graphics/gfxbase.h>
-
- #ifdef LATTICE
- #include <clib/intuition_protos.h>
- #include <clib/graphics_protos.h>
- #endif
-
- struct NewScreen myscreen = {
- 0,0, 640,512, 2, 0,1, HIRES|LACE, CUSTOMSCREEN,
- NULL, NULL, NULL, NULL
- };
-
- struct Library *IntuitionBase=NULL;
- struct GfxBase *GfxBase=NULL;
-
- void SetOverscan(register struct Screen *screen )
- {
- WORD anzzeilen = GfxBase->NormalDisplayRows;
- WORD x=screen->Width,y=screen->Height;
- struct ViewPort *vp=&(screen->ViewPort);
-
- if(anzzeilen>300) anzzeilen>>=1;
- x -= 320; if(vp->Modes & HIRES) x -= 320;
- y -= anzzeilen;
- if(vp->Modes & LACE) y -= anzzeilen;
- x >>=1; if(x<0) x=0; y >>=1; if(y<0) y=0;
-
- if(vp->Modes & HAM)
- {
- if(GfxBase->ActiView->DxOffset-x < 96)
- x=GfxBase->ActiView->DxOffset-96;
- }
- vp->DxOffset = -x; vp->DyOffset = -y;
- MakeScreen(screen);
- RethinkDisplay();
- }
-
- main()
- {
- struct Screen *s;
-
- IntuitionBase=OpenLibrary("intuition.library",0);
- GfxBase=(struct GfxBase *)OpenLibrary("graphics.library",0);
-
- if( (s=OpenScreen(&myscreen)) ) {
- Delay( 200 );
- SetOverscan( s );
- Delay( 200 );
- CloseScreen( s );
- }
-
- CloseLibrary( (struct Library *)GfxBase );
- CloseLibrary( IntuitionBase );
- }
-