I | T | H | S | V | N | Z | C |
– | – | – | – | – | – | – | – |
Example:
call routine ; Call subroutine
...
routine: push r14 ; Save r14 on the Stack
push r13 ; Save r13 on the Stack
...
pop r13 ; Restore r13
pop r14 ; Restore r14
ret ; Return from subroutine