Ahhh i see. So technicallyyyyy it's a 65C02. All good. So if you're trying this code on an original 6502 it will not work, but easily modifiable to use the X o

Ahhh i see. So technicallyyyyy it's a 65C02. All good. So if you're trying this code on an original 6502 it will not work, but easily modifiable to use the X or Y registers instead of A.