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author | Tristan Gingold | 2013-12-20 04:48:54 +0100 |
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committer | Tristan Gingold | 2013-12-20 04:48:54 +0100 |
commit | 6c3f709174e8e4d5411f851cedb7d84c38d3b04a (patch) | |
tree | bd12c79c71a2ee65899a9ade9919ec2045addef8 /testsuite/vests/vhdl-ams/ashenden/compliant/sequential-statements/inline_08.vhd | |
parent | bd4aff0f670351c0652cf24e9b04361dc0e3a01c (diff) | |
download | ghdl-6c3f709174e8e4d5411f851cedb7d84c38d3b04a.tar.gz ghdl-6c3f709174e8e4d5411f851cedb7d84c38d3b04a.tar.bz2 ghdl-6c3f709174e8e4d5411f851cedb7d84c38d3b04a.zip |
Import vests testsuite
Diffstat (limited to 'testsuite/vests/vhdl-ams/ashenden/compliant/sequential-statements/inline_08.vhd')
-rw-r--r-- | testsuite/vests/vhdl-ams/ashenden/compliant/sequential-statements/inline_08.vhd | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-ams/ashenden/compliant/sequential-statements/inline_08.vhd b/testsuite/vests/vhdl-ams/ashenden/compliant/sequential-statements/inline_08.vhd new file mode 100644 index 0000000..7c5496a --- /dev/null +++ b/testsuite/vests/vhdl-ams/ashenden/compliant/sequential-statements/inline_08.vhd @@ -0,0 +1,93 @@ + +-- Copyright (C) 2002 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 + +entity inline_08 is + +end entity inline_08; + + +---------------------------------------------------------------- + + +architecture test of inline_08 is +begin + + process_2_c : process is + + -- code from book: + + type opcodes is + (nop, add, subtract, load, store, jump, jumpsub, branch, halt); + + subtype control_transfer_opcodes is opcodes range jump to branch; + + -- end of code from book + + variable opcode : opcodes; + variable operand : integer; + constant memory_operand : integer := 1; + constant address_operand : integer := 2; + + begin + + for i in opcodes loop + opcode := i; + + -- code from book: + + case opcode is + when load | add | subtract => + operand := memory_operand; + when store | jump | jumpsub | branch => + operand := address_operand; + when others => + operand := 0; + end case; + + -- + + case opcode is + when add to load => + operand := memory_operand; + when branch downto store => + operand := address_operand; + when others => + operand := 0; + end case; + + -- end of code from book + + case opcode is + when add to load => + operand := memory_operand; + -- code from book: + when control_transfer_opcodes | store => + operand := address_operand; + -- end of code from book + when others => + operand := 0; + end case; + + end loop; + + wait; + end process process_2_c; + + +end architecture test; |