diff --git a/garage_ip.m b/garage_ip.m
index eeed12c..ebf22ee 100755
--- a/garage_ip.m
+++ b/garage_ip.m
@@ -234,9 +234,15 @@ while ns < N
 end
 bits = bits';
 
-n = 1:length(_ys);
+fp = fopen("bits.dat", 'w');
+
+for n=1:length(bits)
+	fprintf(fp, "%d", bits(n));
+endfor
+fclose(fp)
 
 % Plot
+n = 1:length(_ys);
 subplot(4, 1, 1)
 plot(n, _ys, '-o', smp_n, smp, 'ro'); grid;
 subplot(4, 1, 2)