--- /dev/null
+#!/usr/bin/perl
+use v5.14;
+use warnings;
+use lib '.';
+
+use asm;
+
+sub flag_to_memory {
+ my ($address, $flag) = @_;
+ alu3 alu_zero, alu_select_f, 0, 0, $address, $flag, flag_zero;
+}
+
+storei 0, 5;
+storei 1, 7;
+
+add 0, 1, 0, 4;
+flag_to_memory 1, 4;