--==========================================================
-- Design units : DIVstim (stimuli)
--
-- File name    : DIVstim.vhd
--
-- Purpose      : Stimuli generator for divider array
--
-- Limitations  : None
--
-- Library      : WORK
--
-- Dependencies : IEEE, DIVpack
--
-- Author       : Claus-Juergen Thomas, REFT
--
-- Simulator    : Synopsys V3.1a on SUN SPARCstation 10
--
-----------------------------------------------------------
-- Revision list
-- Version Author Date           Changes
--
-- V1.0    cjt    09.09.95       new
--=========================================================

LIBRARY IEEE;
USE IEEE.std_logic_1164.ALL;

USE work.DIVpack.ALL;

ENTITY DIVstim IS 
  GENERIC ( M: POSITIVE := 3;  -- bit lenght of divisor
            K: POSITIVE := 6); -- bit lenght of dividend
  PORT ( N_test :   OUT Integer RANGE (2**K)-1 DOWNTO 0; -- integer divisor
         D_test :   OUT Integer RANGE (2**M)-1 DOWNTO 0; -- integer dividend
         Nvec_test: OUT std_logic_vector((K-1) DOWNTO 0);  -- binary divisor
         Dvec_test: OUT std_logic_vector((M-1) DOWNTO 0)); -- binary dividend
END DIVstim;

--============================ARCHITECTURE==================

ARCHITECTURE Behavior OF DIVstim IS

BEGIN
  
  N_test <=  0 AFTER   0 Ns,
            15 AFTER  10 Ns,
            10 AFTER  50 Ns,
             5 AFTER 100 Ns, 
             1 AFTER 150 Ns,
            15 AFTER 200 Ns;

  D_test <=  0 AFTER   0 Ns,
             7 AFTER  10 Ns,
             5 AFTER  50 Ns,
             2 AFTER 100 Ns, 
             3 AFTER 150 Ns,
             1 AFTER 200 Ns;

  Nvec_test <= ("000000") AFTER   0 Ns, --  0
               ("001111") AFTER  10 Ns, -- 15
               ("001010") AFTER  50 Ns, -- 10
               ("000101") AFTER 100 Ns, --  5
               ("000001") AFTER 150 Ns, --  1
               ("001111") AFTER 200 Ns; -- 15

  Dvec_test <= ("000") AFTER   0 Ns, -- 0
               ("111") AFTER  10 Ns, -- 7
               ("101") AFTER  50 Ns, -- 5
               ("010") AFTER 100 Ns, -- 2
               ("011") AFTER 150 Ns, -- 3
               ("001") AFTER 200 Ns; -- 1
 
END Behavior;

--============================CONFIGURATION=================

CONFIGURATION DIVstim_Config OF DIVstim IS
  FOR Behavior
  END FOR;
END DIVstim_Config;