MBlockScrollShapeToBitmap X1.w,Y1.w,Width.w,Height.w,X2.w,Y2.w[,SourceShapeNum.w] ; BlockCopy shape to bitmap

Does the same as MBlockScroll except that the source of the operation is a chunky
Shape and the destination is a chunky Bitmap. This is effectively a `Block' blit
of a Shape to a Bitmap.