diff --git a/pat80-io-devices/uart/hardware/uart-decoding-logic.circ b/pat80-io-devices/uart/hardware/uart-decoding-logic.circ
index c177893..22d0f39 100644
--- a/pat80-io-devices/uart/hardware/uart-decoding-logic.circ
+++ b/pat80-io-devices/uart/hardware/uart-decoding-logic.circ
@@ -63,119 +63,129 @@
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diff --git a/pat80-io-devices/uart/hardware/wip_delay.circ b/pat80-io-devices/uart/hardware/wip_delay.circ
new file mode 100644
index 0000000..d3ad74b
--- /dev/null
+++ b/pat80-io-devices/uart/hardware/wip_delay.circ
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+ This file is intended to be loaded by Logisim (http://www.cburch.com/logisim/).
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