From 9cac606760b0fb8ea0ec89cc05aa1f4d5231a829 Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Wed, 19 Aug 2020 05:44:20 +0100
Subject: [PATCH] 1 extra bit on mask shift size needed, to allow ">" to work

---
 src/nmutil/mask.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nmutil/mask.py b/src/nmutil/mask.py
index a75d7e3..2237522 100644
--- a/src/nmutil/mask.py
+++ b/src/nmutil/mask.py
@@ -5,7 +5,7 @@ from nmigen.utils import log2_int
 class Mask(Elaboratable):
     def __init__(self, sz):
         self.sz = sz
-        self.shift = Signal(log2_int(sz, False))
+        self.shift = Signal(log2_int(sz, False)+1)
         self.mask = Signal(sz)
 
     def elaborate(self, platform):
-- 
2.30.2