View difference between Paste ID: EzAi6uUG and

-
+    asm volatile("mov r5, #0\n"
         "0:\n\t"
         "add r5, r5, #1\n\t"
         "cmp %0, r5\n\t"
         "bne 0b"
         : : "r"(FREQ >> 22) : "r5");