_start:
    .global _start
    .equ N, 10
    .equ B, 165

    mov r0, #B  /* valeur test */

    mov r1, #0
    mov r2, #7

    mov r7, #128    /* bitmask */

    mov r3, #0  /* compteur */

test:
    cmp r1, r2
    bhi pal

    mov r4, r0, LSL r1
    mov r5, r0, LSL r2

    and r4, r4, r7
    and r5, r5, r7

    cmp r4, r5
    bne nonpal

    add r1, r1, #1
    sub r2, r2, #1

    b test

nonpal:
    mov r6, #1
    b exit

pal:
    mov r6, #0
    b exit

exit:
    b   exit