27: rcall shiftright32
28: rcall eor32_to_acc
;---
- ld r0, X
- eor r0, acc0
- st X+, r0
- ld r0, X
- eor r0, acc1
- st X+, r0
- ld r0, X
- eor r0, acc2
- st X+, r0
- ld r0, X
- eor r0, acc3
- st X+, r0
+ rcall load32_from_X
+ rcall eor32_to_acc
+ rcall store_acc_to_dec_X
+ adiw r26, 4
;---
dec r17
brne 10b