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Diffstat (limited to 'testsuite/vests/vhdl-93/ashenden/compliant/ch_03_fg_03_07.vhd')
-rw-r--r-- | testsuite/vests/vhdl-93/ashenden/compliant/ch_03_fg_03_07.vhd | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-93/ashenden/compliant/ch_03_fg_03_07.vhd b/testsuite/vests/vhdl-93/ashenden/compliant/ch_03_fg_03_07.vhd new file mode 100644 index 000000000..3460c94f1 --- /dev/null +++ b/testsuite/vests/vhdl-93/ashenden/compliant/ch_03_fg_03_07.vhd @@ -0,0 +1,45 @@ + +-- 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_03_fg_03_07.vhd,v 1.3 2001-10-26 16:29:33 paw Exp $ +-- $Revision: 1.3 $ +-- +-- --------------------------------------------------------------------- + +entity SR_flipflop is + port ( S, R : in bit; Q : out bit ); +end entity SR_flipflop; + +architecture checking of SR_flipflop is +begin + + set_reset : process (S, R) is + begin + assert S = '1' nand R = '1'; + if S = '1' then + Q <= '1'; + end if; + if R = '1' then + Q <= '0'; + end if; + end process set_reset; + +end architecture checking; |