asm("ldi r24,0x55 ; by hjh");
Reg | reserved for |
---|---|
r28 r29 |
frame pointer |
r24=L r25=H |
first argument, char or word or Pointer |
r22=L r25=H |
second argument, char or word or
Pointer |
r20 r21 |
third argument |
r18 r19 |
fourth argument |
r16 r17 |
fifth argument |
r22=LL r23 r24 r25=HH |
first double argument / first
double operator |
r18 r19 r20 r21 |
second double argument / second
double operator |
r14 r15 r16 r17 |
third double argument |