jens/vhdl
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

- always specified leadout and release states, regardless of CPU-strobe (better timing)

Browse Source 
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@570 cc03376c-175c-47c8-b038-4cd826a8556b
This commit is contained in:
jens
2009-11-02 10:29:23 +00:00
parent 0bd204d435
commit 77d214b705
1 changed files with 4 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/misc/async_port_wb.vhd
+4 -7
View File
@@ -1,5 +1,5 @@
----------------------------------------------------------------------- -----------------------------------------------------------------------
-- $Header: /tmp/cvsroot/VHDL/lib/misc/async_port_wb.vhd,v 1.11 2009-10-30 13:51:00 Jens Exp $ -- $Header: /tmp/cvsroot/VHDL/lib/misc/async_port_wb.vhd,v 1.12 2009-11-02 10:29:23 Jens Exp $
----------------------------------------------------------------------- -----------------------------------------------------------------------
library IEEE; library IEEE;
use IEEE.STD_LOGIC_1164.ALL; use IEEE.STD_LOGIC_1164.ALL;
@@ -182,9 +182,7 @@ architecture Behavioral of async_port_wb is
cycle_reload <= async_timespec.ncyc_pulse_page_rd-1; cycle_reload <= async_timespec.ncyc_pulse_page_rd-1;
sn <= pulse; sn <= pulse;
elsif async_timespec.ncyc_leadout = 0 then elsif async_timespec.ncyc_leadout = 0 then
if en = '1' and (WE_I = WE_I_r) then if async_timespec.ncyc_release = 0 then
sn <= idle;
elsif async_timespec.ncyc_release = 0 then
sn <= idle; sn <= idle;
else else
cycle_reload <= async_timespec.ncyc_release-1; cycle_reload <= async_timespec.ncyc_release-1;
@@ -198,11 +196,10 @@ architecture Behavioral of async_port_wb is
when leadout => when leadout =>
as.cs <= '1'; as.cs <= '1';
as.drive_d <= WE_I_r;
if cycle_cnt = 0 then if cycle_cnt = 0 then
cc_rst <= '1'; cc_rst <= '1';
if en = '1' and (WE_I = WE_I_r) then if async_timespec.ncyc_release = 0 then
sn <= idle;
elsif async_timespec.ncyc_release = 0 then
sn <= idle; sn <= idle;
else else
cycle_reload <= async_timespec.ncyc_release-1; cycle_reload <= async_timespec.ncyc_release-1;