we have liftoff - lisp code still needs fixing

ctree/ortree/sigbuf all tests working

test/unit_tests/sigbuf_15/run/prsim.out

@@ -0,0 +1,3 @@
+t.sigbuf_test.buf6._y t.in t.out 
+0
+1

test/unit_tests/sigbuf_15/run/test.prs

@@ -0,0 +1,14 @@
+= "GND" "GND"
+= "Vdd" "Vdd"
+"t.sigbuf_test.buf6.a"->"t.sigbuf_test.buf6._y"-
+~("t.sigbuf_test.buf6.a")->"t.sigbuf_test.buf6._y"+
+"t.sigbuf_test.buf6._y"->"t.sigbuf_test.buf6.y"-
+~("t.sigbuf_test.buf6._y")->"t.sigbuf_test.buf6.y"+
+= "t.sigbuf_test.supply.vdd" "t.sigbuf_test.buf6.vdd"
+= "t.sigbuf_test.supply.vss" "t.sigbuf_test.buf6.vss"
+= "t.sigbuf_test.out" "t.sigbuf_test.buf6.y"
+= "t.sigbuf_test.in" "t.sigbuf_test.buf6.a"
+= "Vdd" "t.sigbuf_test.supply.vdd"
+= "GND" "t.sigbuf_test.supply.vss"
+= "t.out" "t.sigbuf_test.out"
+= "t.in" "t.sigbuf_test.in"

test/unit_tests/sigbuf_15/test.act

@@ -0,0 +1,48 @@
+/*************************************************************************
+ *
+ *  This file is part of ACT dataflow neuro library.
+ * It's the testing facility for cell_lib_std.act
+ *
+ *  Copyright (c) 2022 University of Groningen - Ole Richter  
+ *  Copyright (c) 2022 University of Groningen - Hugh Greatorex
+ *  Copyright (c) 2022 University of Groningen - Michele Mastella
+ *  Copyright (c) 2022 University of Groningen - Madison Cotteret
+ *
+ *  This source describes Open Hardware and is licensed under the CERN-OHL-W v2 or later
+ *
+ *  You may redistribute and modify this documentation and make products
+ *  using it under the terms of the CERN-OHL-W v2 (https:/cern.ch/cern-ohl).
+ *  This documentation is distributed WITHOUT ANY EXPRESS OR IMPLIED
+ *  WARRANTY, INCLUDING OF MERCHANTABILITY, SATISFACTORY QUALITY
+ *  AND FITNESS FOR A PARTICULAR PURPOSE. Please see the CERN-OHL-W v2
+ *  for applicable conditions.
+ *
+ *  Source location: https://git.web.rug.nl/bics/actlib_dataflow_neuro
+ *
+ *  As per CERN-OHL-W v2 section 4.1, should You produce hardware based on
+ *  these sources, You must maintain the Source Location visible in its
+ *  documentation.
+ *
+ **************************************************************************
+ */
+
+//import "../../dataflow_neuro/treegates.act";
+
+//open tmpl::dataflow_neuro;
+
+//sigbuf<3> buff_test;
+
+
+import "../../dataflow_neuro/treegates.act";
+import globals;
+
+open tmpl::dataflow_neuro;
+
+defproc sigbuf_15 (bool? in; bool! out){
+    sigbuf<15> sigbuf_test(.in=in, .out=out);
+    sigbuf_test.supply.vss = GND;
+    sigbuf_test.supply.vdd = Vdd;
+
+}
+
+sigbuf_15 t;

test/unit_tests/sigbuf_15/test.prsim

@@ -0,0 +1,12 @@
+
+system "echo '0'"
+
+set t.in 0
+
+system "echo '1'"
+
+cycle
+mode run
+assert t.out 0
+
+