From 669eaa5098b3d81d04fc014bde2b51a6f3737e0f Mon Sep 17 00:00:00 2001
From: lkcl <lkcl@web>
Date: Thu, 23 Jan 2020 14:13:33 +0000
Subject: [PATCH]

---
 HDL_workflow.mdwn | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/HDL_workflow.mdwn b/HDL_workflow.mdwn
index 94db5b6c2..0c325e016 100644
--- a/HDL_workflow.mdwn
+++ b/HDL_workflow.mdwn
@@ -47,6 +47,8 @@ Whilst many resources online advocate "sudo" in front of all root-level commands
 * apt-get install graphviz xdot gtkwave
 * return to user prompt (ctrl-d)
 
+This will get you python3 and other tools that are needed. graphviz is essential fir showing the interconnections between cells, and gtkwave is essential for debugging.
+
 ## yosys
 
 Follow the source code (git clone) instructions here: <http://www.clifford.at/yosys/download.html>
-- 
2.30.2