w1.2: working on assignment1.2

assignment_assembly/assignment2/multiply.asm

@@ -0,0 +1,18 @@
+	.cpu cortex-m4
+	.thumb
+	.syntax unified
+	.globl multiply
+	.text
+	.thumb_func
+multiply:
+	MOVS.N	R2, #0
+	ADDS.N	R1, #0
+	BEQ.N	=exit
+loop:
+	ADDS.N	R2, R0, R2
+	SUBS.N	R1, #1
+	BNE.N	=exit
+	B.N		=loop
+exit:
+	MOVS.N	R0, R2
+	BX.N	LR