3 ms·Pretty sure I broke a VIC-20 or two doing something like this.by bitwize 2y agoPretty sure I broke a VIC-20 or two doing something like this.lproven 2y agoThe HCF instruction is a myth... :-) https://encyclopedia.pub/entry/33038 https://encyclopedia.pub/entry/33038bitwize 2y agoBut killer pokes were real!