From 285a25132ec7fe0e3af05f0a5be011b00a10aefb Mon Sep 17 00:00:00 2001
From: tmeissner <programming@goodcleanfun.de>
Date: Tue, 2 Dec 2014 13:59:09 +0100
Subject: [PATCH] react to slave ack in ADDRESS state

---
 syn/WishBoneMasterE.vhd | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/syn/WishBoneMasterE.vhd b/syn/WishBoneMasterE.vhd
index 4d60b52..eeb971c 100644
--- a/syn/WishBoneMasterE.vhd
+++ b/syn/WishBoneMasterE.vhd
@@ -62,10 +62,10 @@ begin
             end if;
 
           when ADDRESS =>
-            if (WbErr_i = '0') then
-              s_wb_master_fsm <= DATA;
-            else
+            if (WbAck_i = '1' or WbErr_i = '1') then
               s_wb_master_fsm <= IDLE;
+            else
+              s_wb_master_fsm <= DATA;
             end if;
 
           when DATA =>
@@ -85,7 +85,7 @@ begin
   --+ combinatoral local register if outputs
   LocalData_o  <= WbDat_i when s_wb_master_fsm  = DATA else (others => '0');
   LocalError_o <= WbErr_i when s_wb_master_fsm /= IDLE else '0';
-  LocalAck_o   <= WbAck_i when s_wb_master_fsm  = DATA and WbErr_i = '0' else '0';
+  LocalAck_o   <= WbAck_i when (s_wb_master_fsm = ADDRESS or s_wb_master_fsm = DATA) and WbErr_i = '0' else '0';
 
   --+ combinatoral wishbone if outputs
   WbStb_o <= '1'      when s_wb_master_fsm /= IDLE else '0';