PRESERVE8
THUMB
AREA |.text|, CODE, READONLY
EXPORT main

main
    MOVS R6,#5
    MOVS R4,R6
    SUBS R4,R4,#1
LOOP
    MOVS R7,R4
    MULS R7,R6,R7
    MOVS R6,R7
    SUBS R4,R4,#1
    BNE LOOP
STOP
    B STOP
END