1 .text
   2 .arm
   3 .global _start
   4 _start:
   5         b reset
   6         b loop
   7         b loop
   8         b loop
   9         b loop
  10         nop
  11         b loop
  12         b loop
  13 
  14 /* ==============================
  15 *  TEST CODE
  16 *  ==============================
  17 */
  18 reset:
  19         mov r3,#0x7F
  20         mov r4,#7 @ verificar el bit 7 
  21         
  22         mov r0,#0x01
  23         tst r3,r0,lsl r4
  24         orreq r6,r6,#(1<<16)
  25 loop:   b loop
  26 
  27         .end