No Operation

A NOP takes no action and does not effect any registers except the program counter.

NOP's are usually used for timing loops as each NOP takes 2 cycles.

Flags Affected
SyntaxOpcode Available on: # of # of Addressing Mode
(hex) 6502 65C02 65816 bytes cycles
NOP EA x x x 1 2 Implied

Last modified November 5, 2021: Add instruction categories (6b74ff9)