.text .global icedcc_putc icedcc_putc: mov r2, #0x4000000 1: subs r2, r2, #1 movlt pc, r14 mrc p14, 0, r1, c0, c0, 0 tst r1, #2 bne 1b mcr p14, 0, r0, c1, c0, 0 mov pc, r14
