create symbol files for existing elements

2022-03-10 16:52:46 +08:00
--- a/38_decoder/38_decoder.qsf
+++ b/38_decoder/38_decoder.qsf
@@ -65,4 +65,5 @@ set_location_assignment PIN_145 -to Y3
 set_location_assignment PIN_146 -to Y4
 set_location_assignment PIN_147 -to Y5
 set_location_assignment PIN_149 -to Y6
-set_location_assignment PIN_150 -to Y7
+set_location_assignment PIN_150 -to Y7
+set_global_assignment -name RESERVE_ALL_UNUSED_PINS_NO_OUTPUT_GND "AS INPUT TRI-STATED"