SWI_WriteC EQU &0 ; output char, @r0

SWI_Exit EQU &11 ; finish program

Entry ; code의 시작

BL TextOut ; print following string

= “Text string”,&0a,&0d,0

ALIGN

SWI SWI_Exit ; finish

TextOut LDRB ro, [r14], #1 ; get next character

CMP r0, #0 ; test for and mark

SWINE SWI_WriteC ; if not end, print..

BNE TextOut ; .. and loop

AND r14, r14, #3 ; pass next word boundary

BIC r14, r14, #3 ; round back to boundary

MOV pc, r14 ; return

END

이렇게 된 코드 인데요..

AND r14, r14, #3 ; pass next word boundary

BIC r14, r14, #3 ; round back to boundary

이 부분이 정확히 이해가 안되서 그런데, 설명좀 해주실 분 있나요??