From 678a89d5722fe9eb1f36aa6733c0f50076841615 Mon Sep 17 00:00:00 2001 From: Sebastien Bourdeauducq Date: Thu, 8 Mar 2012 15:34:08 +0100 Subject: [PATCH] sim: fix zero encoding --- migen/sim/ipc.py | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/migen/sim/ipc.py b/migen/sim/ipc.py index 5d9f9eb6..f463dcff 100644 --- a/migen/sim/ipc.py +++ b/migen/sim/ipc.py @@ -51,11 +51,14 @@ message_classes = [MessageTick, MessageGo, MessageWrite, MessageRead, MessageRea # def _pack_int(v): - p = [] - while v != 0: - p.append(v & 0xff) - v >>= 8 - p.insert(0, len(p)) + if v == 0: + p = [1, 0] + else: + p = [] + while v != 0: + p.append(v & 0xff) + v >>= 8 + p.insert(0, len(p)) return p def _pack_str(v): -- 2.30.2