add yosys version number

diff --git a/experiments9/build_full.sh b/experiments9/build_full.sh
index 3a1ed1a8dc3ed33c1a41b2a57110e887d363e6df..6a0221f4e2d6fa291274cd4fed2171e05b6e6ff6 100755 (executable)
--- a/experiments9/build_full.sh
+++ b/experiments9/build_full.sh
@@ -1,5 +1,8 @@
 #!/bin/sh
 
+# comment about yosys version needed
+echo "this only works at the moment with yosys 049e3abf9"
+
 # full core build: please remember to alter ioring.py before running!
 # change the settings to the larger chip/corona size