ADR Zadaca 2

.equ x, 10
.equ y, 5
.global _start
.text
_start:
    MOV R0, #X
    MOV R1, #Y

    CMP R0, #0
    CMP R1, #0
    BGT izraz

    LDR R2, =poruka
    B stop
izraz:
    MUL R3, R0, R1
    SUB R0, R3, #20
    ADD R1, R1, #1
    B stop
poruka:
    .asciz "Brojevi ne smiju biti negativni."
stop:
    B stop
.end

/* ********** */

.equ a, 3
.equ b, 10
.global _start
_start:
    MOV R0, #a
    MOV R1, #b
    MOV R2, #0
    MOV R3, #3

    CMP R2,#4
    BGT stop
next:
    MUL R0, R3, R0
    SUB R1, R1, #2
    ADD R2. R2, #1
    CMP R2, #4
    BLT next
stop:
    B stop
.end