solution for pow ra_switch

main.s

@@ -19,25 +19,38 @@ continue:
 
 
 cell_lecture_bit:
+	
+	
+	
 	#the function cell_lecture_bit takes an int coded on 32 bytes, 
+	
 	li $t0, 31
 	sub $a1, $t0, $a1			# modify the value to get a shift of  31 -I digits 
 	sllv $a0, $a0,$a1
 	srl $a0, $a0,31
 	jr $ra
+	li $v0, 1
+	
+	jal pow
+	move $t0 $t3
 
-sub_pow_10: #sub function used to init pow_10
-	li $a1,1
-	j pow_10
 
-	
 pow_10: #function to get the 10**n for a given n
-
+	#prolog
+	#mettre l'addresse de Ra dans la pile sp
+	
 	beq $a0,$zero,continue ##rename for loop later in the code
 	li $a2, 10
-	mul $a1, $a1,$a2
+	mul $v1, $v1,$a2
 	addi $a0,$a0,-1
 	b pow_10
+	
+continue:
+#epilogue
+#recup raa de sp 
+#move ra_sp dans dans ra
+jr $ra 
+
 
 Exit:
 	li $v0, 10