TV2SS([isize.i2.r] [,ix.i2.r] [,iy.i2.r] [,islot.i2.r])

	This routine copies the contents of one of the TV windows to 
	the graphics window known historically as the SS window. The 
	optional arguments ISIZE, IX, and IY specify the character size 
	and the graphics coordinates of the the first character in the 
	first line.  If ISIZE is not specified a character size appropriate  
	for the screen format currently in use 	will  be  chosen.   If IX 
	or IY is not  specified  the page will be centered on within the 
	graphics window. SLOT specifies TV window to be copied.   If SLOT 
	is not specified, the main console color TV window will be copied.