From efc1a7cdaca5ebcef819aa7d214e7e5352dee352 Mon Sep 17 00:00:00 2001
From: hadeshyp <hadeshyp>
Date: Thu, 11 Jun 2009 15:25:25 +0000
Subject: [PATCH] *** empty log message ***

---
 trb_net16_regIO.vhd | 38 ++++++++++++++++++++------------------
 1 file changed, 20 insertions(+), 18 deletions(-)

diff --git a/trb_net16_regIO.vhd b/trb_net16_regIO.vhd
index a4643a7..3597fcf 100644
--- a/trb_net16_regIO.vhd
+++ b/trb_net16_regIO.vhd
@@ -545,7 +545,7 @@ begin
                 next_length <= '0' & API_DATA_IN(14 downto 0);
                 next_addr_counter_enable <= API_DATA_IN(15);
                 next_DAT_READ_ENABLE_OUT <= '1';
-                next_dat_data_counter <= dat_data_counter + 1;
+--                 next_dat_data_counter <= dat_data_counter + 1;
                 next_state <= MEM_READ;
               elsif API_PACKET_NUM_IN = c_F0 then
                 next_address <= API_DATA_IN;
@@ -558,22 +558,21 @@ begin
           end if;
 
         when MEM_READ =>
-          next_API_DATAREADY_OUT <= '1';
+          next_API_DATAREADY_OUT <= '0';
+          next_API_SEND_OUT <= '1';
           case next_packet_counter is
             when c_F0 =>
               next_timeout_counter <= timeout_counter + 1;
-              if DAT_DATAREADY_IN = '0' and DAT_DATAREADY_IN_before = '0' then
-                next_API_DATAREADY_OUT <= '0';
-              end if;
-              if length = 0 or DAT_NO_MORE_DATA_IN = '1' then
-                next_state <= SEND_REPLY_SHORT_TRANSFER;
-                next_nomoredata <= DAT_NO_MORE_DATA_IN;
-                next_API_DATAREADY_OUT <= '0';
+              if length = 0 then
+                next_state <= SEND_REPLY_DATA_finish;
+              elsif DAT_NO_MORE_DATA_IN = '1' then
+                next_state <= SEND_REPLY_DATA_finish;
+                next_nomoredata <= '1';
               elsif DAT_UNKNOWN_ADDR_IN = '1' then
                 next_state <= SEND_REPLY_DATA_finish;
                 next_unknown <= '1';
-              elsif DAT_DATAREADY_IN = '1' then
-                next_API_SEND_OUT <= '1';
+              elsif DAT_DATAREADY_IN = '1' or DAT_DATAREADY_IN_before = '1' then
+                next_API_DATAREADY_OUT <= '1';
                 next_API_DATA_OUT <= address;
               elsif timeout_counter(c_regio_timeout_bit) = '1' then
                 next_state <= SEND_REPLY_DATA_finish;
@@ -581,17 +580,20 @@ begin
               end if;
             when c_F1 =>
               next_API_DATA_OUT <= buf_DAT_DATA_IN(31 downto 16);
+              next_API_DATAREADY_OUT <= '1';
             when c_F2 =>
               next_API_DATA_OUT <= buf_DAT_DATA_IN(15 downto 0);
+              next_API_DATAREADY_OUT <= '1';
             when c_F3 =>
-              next_length <= length-1;
               next_API_DATA_OUT <= (others => '0');
-              if length > 1 and API_READ_IN = '1' then
-                next_DAT_READ_ENABLE_OUT <= '1';
-                next_dat_data_counter    <= dat_data_counter + 1;
-                next_timeout_counter     <= (others => '0');
-                if addr_counter_enable = '1' then
-                  next_address <= address + 1;
+              next_API_DATAREADY_OUT <= '1';
+              if API_READ_IN = '1' then
+                next_length <= length-1;
+                if length > 1 then
+                  next_DAT_READ_ENABLE_OUT <= '1';
+                  if addr_counter_enable = '1' then
+                    next_address <= address + 1;
+                  end if;
                 end if;
               end if;
             when others => null;
-- 
2.43.0