Adds tristates for HyperBus.

This might need to be remodularized; Bluesim doesn't support Inouts, so
this fails to build there for now. It probably makes sense to split out
the board to its own package, then go back to having Top and TopSim
packages, where only Top wires it up to Tristates.

1 files changed, 4 insertions, 1 deletions

diff --git a/flake.nix b/flake.nix
index 7877aa2..062a6da 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,7 +17,10 @@
             pkgs.gtkwave
             pkgs.picocom
           ];
-          env.BSC = pkgs.bluespec;
+          env = {
+            BSC = pkgs.bluespec;
+            BSC_SRC = pkgs.bluespec.src;
+          };
         };
 
         packages = {