Minor changes

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git-svn-id: http://moon:8086/svn/vhdl/trunk@813 cc03376c-175c-47c8-b038-4cd826a8556b

lib/emac/src/tb_emac_top_jb.vhd

@@ -68,7 +68,7 @@ ARCHITECTURE behavior OF tb_emac_top_jb IS
 
 	signal loop_back_en		: std_logic := '0';
 
-	type emac_action_t is (emac_idle, emac_alloc, emac_write, emac_read, emac_free);
+	type emac_action_t is (emac_idle, emac_alloc, emac_wait_alloc, emac_write, emac_wait_data, emac_read, emac_free);
 	signal emac_action	: emac_action_t;
 	
 BEGIN
@@ -173,6 +173,7 @@ STIMULUS: process
 		WE_I	<= '0';
 
 		-- check alloc busy
+		emac_action	<= emac_wait_alloc;
 	check_bsy:
 		while (true) loop
 			CYC_I	<= '1';
@@ -233,7 +234,7 @@ STIMULUS: process
 	variable size, num_words : natural;
 	begin
 
-		emac_action	<= emac_read;
+		emac_action	<= emac_wait_data;
 
 		-- check if data available
 	check_data_avail:
@@ -264,6 +265,7 @@ STIMULUS: process
 		wait until rising_edge(CLK);
 
 
+		emac_action	<= emac_read;
 		-- Read RX data
 		size := size_in;
 		if (size_in = 0) then