Propeller Manual

Table Of Contents
3: Assembly Language Reference – JMP
Propeller Manual v1.1 · Page 299
Toggle mov dira, Pin 'Set I/O pin to output
xor outa, Pin 'Toggle I/O pin's state
jmp #$-1 'Loop back endlessly
The last instruction, JMP #$-1, causes execution to jump back to the second-to-last instruction
(i.e., ‘here’ minus 1).