Changes
6502
,/* Oddities */
* LDX absolute,Y and LDY absolute,X instructions exist but the corresponding instructions STX absolute,Y and STY absolute,X do not.
* The CLV (Clear Overflow Flag) instruction exist but the SEV (Set Overflow Flag) instruction do not.
* The NOP instruction takes 2 full-cycles. This is the minimum amount of cycles an instruction can take.