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open tmu_ofile only when used

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- pdp11_tmu.vhd so far always opened file tmu_ofile at startup
- now it is only opened when the tmu is enabled for logging
This commit is contained in:
Walter F.J. Mueller 2016-12-28 11:32:16 +01:00
parent 1d82619b37
commit ba61310db7
1 changed files with 9 additions and 5 deletions
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14
rtl/w11a/pdp11_tmu.vhd
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@ -1,6 +1,6 @@
-- $Id: pdp11_tmu.vhd 697 2015-07-05 14:23:26Z mueller $
-- $Id: pdp11_tmu.vhd 833 2016-12-28 10:29:10Z mueller $
--
-- Copyright 2008-2015 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
-- Copyright 2008-2016 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
--
-- This program is free software; you may redistribute and/or modify it under
-- the terms of the GNU General Public License as published by the Free
@ -19,10 +19,11 @@
--
-- Test bench: tb/tb_pdp11_core (implicit)
-- Target Devices: generic
-- Tool versions: ghdl 0.18-0.31
-- Tool versions: ghdl 0.18-0.33
--
-- Revision History:
-- Date Rev Version Comment
-- 2016-12-28 833 1.3 open tmu_ofile only when used
-- 2015-07-03 697 1.2.1 adapt to new DM_STAT_SY/DM_STAT_VM
-- 2015-05-03 674 1.2 start/stop/suspend overhaul
-- 2011-12-23 444 1.1 use local clkcycle count instead of simbus global
@ -77,15 +78,18 @@ begin
variable vm_ibsres_busy_last : slbit := '0';
variable vm_ibsres_ack_last : slbit := '0';
variable wcycle : boolean := false;
file ofile : text open write_mode is "tmu_ofile";
file ofile : text;
begin
if rising_edge(CLK) then
clkcycle := clkcycle + 1;
if R_FIRST = '1' then
if ENA = '1' and R_FIRST = '1' then
-- open output file on first usage
file_open(ofile, "tmu_ofile", WRITE_MODE);
R_FIRST <= '0';
-- sequence of field desciptors must equal the sequence of writes later
write(oline, string'("#"));
write(oline, string'(" clkcycle:d"));