Create ficha3_ex4.s

kiko-serra · Apr 19, 2022 · 6bbc8ad · 6bbc8ad
1 parent 724190d
commit 6bbc8ad
Showing 1 changed file with 25 additions and 0 deletions.
diff --git a/ficha3_ex4.s b/ficha3_ex4.s
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+.text
+.global CheckABS
+.type CheckABS,"function"
+
+CheckABS:
+	mov   w4, 0
+ciclo:
+	cbz	w1, fim
+	ldr   w5, [x2]
+	cmp   w5, 0
+	b.gt  pos
+ 	neg   w5, w5
+pos:
+    cmp   w0, w5
+    b.ge  prox
+    mov   w5, 0
+    str   w5, [x2]
+    add   w4, w4, 1
+prox:
+    add   x2, x2, 4
+    sub   w1, w1, 1
+    b	 ciclo
+fim:
+    mov   w0, w4
+	ret