Oh damn... and I did a fair bit of coding on C64 back in the day. :-D Somehow I thought it hid 4 pixels both sides. Totally wrong. PS. Then it's so unfair bad

Oh damn... and I did a fair bit of coding on C64 back in the day. :-D Somehow I thought it hid 4 pixels both sides. Totally wrong. PS. Then it's so unfair bad line still takes 40 cycles!