data
var1 DCD 30 ,20 ,40 ,100 ,24
LDR r0, =var1
mov r5, #5
mov r6,#0
mov r2, #0
loop
ldr r3, [r0, r2, lsl #2]
add r2,r2, #1
add r6, r6, r3
cmp r2, r5
bne loop
mov r1, r6
mov r0, #1
Example that invokes a procedure named P with three integer parameters. The procedure adds the first two and multiplies it with the third. Procedure P is invoked with arguments 11, 22 and 33. The result returned by P is printed on the std output handle.
main
mov r0, #15
mov r1, #24
mov r2, #37
mov lr, pc
b prog
END
prog STMDB sp!,{r4-r11}
add r0, r0, r1
;code to multiply
mov r3, #0
mov r4, #0
mul add r3, r3, #1
add r4, r4, r0
cmp r2, r3
bne mul
mov r0, r4
LDMIA sp!,{r4-r11}
mov pc, lr
