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Diffstat (limited to 'testsuite/vests/vhdl-93/ashenden/compliant/ch_05_ch_05_16.vhd')
-rw-r--r-- | testsuite/vests/vhdl-93/ashenden/compliant/ch_05_ch_05_16.vhd | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-93/ashenden/compliant/ch_05_ch_05_16.vhd b/testsuite/vests/vhdl-93/ashenden/compliant/ch_05_ch_05_16.vhd new file mode 100644 index 000000000..2bb7ce42e --- /dev/null +++ b/testsuite/vests/vhdl-93/ashenden/compliant/ch_05_ch_05_16.vhd @@ -0,0 +1,67 @@ + +-- Copyright (C) 1996 Morgan Kaufmann Publishers, Inc + +-- This file is part of VESTs (Vhdl tESTs). + +-- VESTs is free software; you can redistribute it and/or modify it +-- under the terms of the GNU General Public License as published by the +-- Free Software Foundation; either version 2 of the License, or (at +-- your option) any later version. + +-- VESTs is distributed in the hope that it will be useful, but WITHOUT +-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +-- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +-- for more details. + +-- You should have received a copy of the GNU General Public License +-- along with VESTs; if not, write to the Free Software Foundation, +-- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +-- --------------------------------------------------------------------- +-- +-- $Id: ch_05_ch_05_16.vhd,v 1.2 2001-10-26 16:29:34 paw Exp $ +-- $Revision: 1.2 $ +-- +-- --------------------------------------------------------------------- + +entity ch_05_16 is + +end entity ch_05_16; + + +---------------------------------------------------------------- + + +architecture test of ch_05_16 is + + constant Tpd_01 : time := 800 ps; + constant Tpd_10 : time := 500 ps; + + signal a, z : bit; + +begin + + + -- code from book: + + asym_delay : z <= transport a after Tpd_01 when a = '1' else + a after Tpd_10; + + -- end of code from book + + + ---------------- + + + stimulus : process is + begin + a <= '1' after 2000 ps, + '0' after 4000 ps, + '1' after 6000 ps, + '0' after 6200 ps; + + wait; + end process stimulus; + + +end architecture test; |