Believe it or not, these lines are same length each other. ACLS GLINE 100,70,300,70,#LIME X=100:Y=70:GOSUB @LD:X=300:Y=70:GOSUB @RD GLINE 100,170,300,170,#LIME X=100:Y=170:GOSUB @RD:X=300:Y=170:GOSUB @LD END @LD GLINE X,Y,X+16,Y-16,#LIME:GLINE X,Y,X+16,Y+16,#LIME RETURN @RD GLINE X,Y,X-16,Y-16,#LIME:GLINE X,Y,X-16,Y+16,#LIME RETURN