RMSETSIZE sets the size of the REF "screen". Viewport is reset to full screen and rotation angle reset to zero. Pen should be up prior to this call. Should not be used with Ramtek. nx and ny should be less than or equal to the maximums of 1280 and 1024. All inputs should be non-zero. Caution: there is no error checking in this routine.
CALL RMSETSIZE (xl,yl,nx,ny) xl,yl (R): input size in plot units nx,ny (I): input size in pixels