From 25d180659072dcdcd9821a0ea91fa7706b01a9fb Mon Sep 17 00:00:00 2001
From: David Anderson <dave@natulte.net>
Date: Fri, 6 Sep 2024 21:08:51 -0700
Subject: [PATCH] lib/ClockOut: hack module to export a clock as an ordinary
 signal

Used to output a clock signal from an FPGA pin. The resultant output
signal is unclocked, so can be presented to any output at will.
---
 lib/ClockOut.bsv | 16 ++++++++++++++++
 lib/ClockOut.v   |  3 +++
 2 files changed, 19 insertions(+)
 create mode 100644 lib/ClockOut.bsv
 create mode 100644 lib/ClockOut.v

diff --git a/lib/ClockOut.bsv b/lib/ClockOut.bsv
new file mode 100644
index 0000000..5517e39
--- /dev/null
+++ b/lib/ClockOut.bsv
@@ -0,0 +1,16 @@
+package ClockOut;
+
+interface ClockOut;
+   method bit value();
+endinterface
+
+import "BVI" ClockOut =
+   module mkClockOut(ClockOut);
+      default_reset no_reset;
+      default_clock clk (CLK, (* unused *)GATE);
+
+      method CLK_BIT value() clocked_by(no_clock);
+
+      schedule value CF value;
+   endmodule
+endpackage
diff --git a/lib/ClockOut.v b/lib/ClockOut.v
new file mode 100644
index 0000000..77b7939
--- /dev/null
+++ b/lib/ClockOut.v
@@ -0,0 +1,3 @@
+module ClockOut(input CLK, output CLK_BIT);
+  assign CLK_BIT = CLK;
+endmodule