Subversion Repositories openmsp430

/*===========================================================================*/
/* Copyright (C) 2001 Authors                                                */
/*                                                                           */
/* This source file may be used and distributed without restriction provided */
/* that this copyright statement is not removed from the file and that any   */
/* derivative work contains the original copyright notice and the associated */
/* disclaimer.                                                               */
/*                                                                           */
/* This source file is free software; you can redistribute it and/or modify  */
/* it under the terms of the GNU Lesser General Public License as published  */
/* by the Free Software Foundation; either version 2.1 of the License, or    */
/* (at your option) any later version.                                       */
/*                                                                           */
/* This source 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 Lesser General Public       */
/* License for more details.                                                 */
/*                                                                           */
/* You should have received a copy of the GNU Lesser General Public License  */
/* along with this source; if not, write to the Free Software Foundation,    */
/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA        */
/*                                                                           */
/*===========================================================================*/
/*                          HARDWARE MULTIPLIER                              */
/*---------------------------------------------------------------------------*/
/* Test the hardware multiplier:                                             */
/*                                - MPY  mode.                               */
/*                                - MPYS mode.                               */
/*                                - MAC  mode.                               */
/*                                - MACS mode.                               */
/*                                                                           */
/* Author(s):                                                                */
/*             - Olivier Girard,    olgirard@gmail.com                       */
/*                                                                           */
/*---------------------------------------------------------------------------*/
/* $Rev: 18 $                                                                */
/* $LastChangedBy: olivier.girard $                                          */
/* $LastChangedDate: 2009-08-04 23:44:12 +0200 (Tue, 04 Aug 2009) $          */
/*===========================================================================*/
 
 
initial
   begin
      $display(" ===============================================");
      $display("|                 START SIMULATION              |");
      $display(" ===============================================");
      repeat(5) @(posedge mclk);
      stimulus_done = 0;
 
 
      // UNSIGNED MULTIPLICATION
      //--------------------------------------------------------
 
      @(r15===16'h0001);
      if (r10 !== 16'h7F14) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (1) =====");
      if (r11 !== 16'h007B) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (1) =====");
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (1) =====");
 
      @(r15===16'h0002);
      if (r10 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (2) =====");
      if (r11 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (2) =====");
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (2) =====");
 
      @(r15===16'h0003);
      if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (3) =====");
      if (r11 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (3) =====");
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (3) =====");
 
      @(r15===16'h0004);
      if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (4) =====");
      if (r11 !== 16'h3FFF) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (4) =====");
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (4) =====");
 
      @(r15===16'h0005);
      if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (5) =====");
      if (r11 !== 16'hFFFE) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (5) =====");
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (5) =====");
 
      @(r15===16'h0006);
      if (r10 !== 16'h8001) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (6) =====");
      if (r11 !== 16'h7FFE) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (6) =====");
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (6) =====");
 
      @(r15===16'h0007);
      if (r10 !== 16'h8000) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (7) =====");
      if (r11 !== 16'h3FFF) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (7) =====");
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (7) =====");
 
      @(r15===16'h0008);
      if (r10 !== 16'h8000) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (8) =====");
      if (r11 !== 16'h7FFF) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (8) =====");
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (8) =====");
 
      @(r15===16'h0009);
      if (r10 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: RESLO  (9) =====");
      if (r11 !== 16'h4000) tb_error("====== UNSIGNED MULTIPLICATION: RESHI  (9) =====");
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (9) =====");
 
      $display("Unsigned Multiplication test completed (MPY mode).");
 
      // SIGNED MULTIPLICATION
      //--------------------------------------------------------
 
      @(r15===16'h0001);
      if (r10 !== 16'h7F14) tb_error("====== SIGNED MULTIPLICATION: RESLO  (1) =====");
      if (r11 !== 16'hE7F9) tb_error("====== SIGNED MULTIPLICATION: RESHI  (1) =====");
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (1) =====");
 
      @(r15===16'h0002);
      if (r10 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESLO  (2) =====");
      if (r11 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESHI  (2) =====");
      if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (2) =====");
 
      @(r15===16'h0003);
      if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLICATION: RESLO  (3) =====");
      if (r11 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESHI  (3) =====");
      if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (3) =====");
 
      @(r15===16'h0004);
      if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLICATION: RESLO  (4) =====");
      if (r11 !== 16'h3FFF) tb_error("====== SIGNED MULTIPLICATION: RESHI  (4) =====");
      if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (4) =====");
 
      @(r15===16'h0005);
      if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLICATION: RESLO  (5) =====");
      if (r11 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESHI  (5) =====");
      if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (5) =====");
 
      @(r15===16'h0006);
      if (r10 !== 16'h8001) tb_error("====== SIGNED MULTIPLICATION: RESLO  (6) =====");
      if (r11 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLICATION: RESHI  (6) =====");
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (6) =====");
 
      @(r15===16'h0007);
      if (r10 !== 16'h8000) tb_error("====== SIGNED MULTIPLICATION: RESLO  (7) =====");
      if (r11 !== 16'hC000) tb_error("====== SIGNED MULTIPLICATION: RESHI  (7) =====");
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (7) =====");
 
      @(r15===16'h0008);
      if (r10 !== 16'h8000) tb_error("====== SIGNED MULTIPLICATION: RESLO  (8) =====");
      if (r11 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESHI  (8) =====");
      if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (8) =====");
 
      @(r15===16'h0009);
      if (r10 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESLO  (9) =====");
      if (r11 !== 16'h4000) tb_error("====== SIGNED MULTIPLICATION: RESHI  (9) =====");
      if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (9) =====");
 
      $display("Signed Multiplication test completed (MPYS mode)");
 
 
      // UNSIGNED MULTIPLY ACCUMULATE
      //--------------------------------------------------------
 
      @(r15===16'h0001);
      if (r10 !== 16'h7F14) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (1) =====");
      if (r11 !== 16'hC07B) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (1) =====");
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (1) =====");
 
      @(r15===16'h0002);
      if (r10 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (2) =====");
      if (r11 !== 16'hC000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (2) =====");
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (2) =====");
 
      @(r15===16'h0003);
      if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (3) =====");
      if (r11 !== 16'hC000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (3) =====");
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (3) =====");
 
      @(r15===16'h0004);
      if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (4) =====");
      if (r11 !== 16'hFFFF) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (4) =====");
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (4) =====");
 
      @(r15===16'h0005);
      if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (5) =====");
      if (r11 !== 16'hBFFE) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (5) =====");
      if (r12 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (5) =====");
 
      @(r15===16'h0006);
      if (r10 !== 16'h8001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (6) =====");
      if (r11 !== 16'h3FFE) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (6) =====");
      if (r12 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (6) =====");
 
      @(r15===16'h0007);
      if (r10 !== 16'h8000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (7) =====");
      if (r11 !== 16'hFFFF) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (7) =====");
      if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (7) =====");
 
      @(r15===16'h0008);
      if (r10 !== 16'h8000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (8) =====");
      if (r11 !== 16'h3FFF) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (8) =====");
      if (r12 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (8) =====");
 
      @(r15===16'h0009);
      if (r10 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO  (9) =====");
      if (r11 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI  (9) =====");
      if (r12 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (9) =====");
 
      $display("Unsigned Multiply Accumulate test completed (MAC mode)");
 
 
      // SIGNED MULTIPLY ACCUMULATE
      //--------------------------------------------------------
 
      @(r15===16'h0001);
      if (r10 !== 16'h7F14) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (1) =====");
      if (r11 !== 16'hA7F9) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (1) =====");
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (1) =====");
 
      @(r15===16'h0002);
      if (r10 !== 16'h0000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (2) =====");
      if (r11 !== 16'hC000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (2) =====");
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (2) =====");
 
      @(r15===16'h0003);
      if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (3) =====");
      if (r11 !== 16'hC000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (3) =====");
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (3) =====");
 
      @(r15===16'h0004);
      if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (4) =====");
      if (r11 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (4) =====");
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (4) =====");
 
      @(r15===16'h0005);
      if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (5) =====");
      if (r11 !== 16'hC000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (5) =====");
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (5) =====");
 
      @(r15===16'h0006);
      if (r10 !== 16'h8001) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (6) =====");
      if (r11 !== 16'hBFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (6) =====");
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (6) =====");
 
      @(r15===16'h0007);
      if (r10 !== 16'h8000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (7) =====");
      if (r11 !== 16'h8000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (7) =====");
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (7) =====");
 
      @(r15===16'h0008);
      if (r10 !== 16'h8000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (8) =====");
      if (r11 !== 16'hC000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (8) =====");
      if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (8) =====");
 
      @(r15===16'h0009);
      if (r10 !== 16'h0000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO  (9) =====");
      if (r11 !== 16'h0000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI  (9) =====");
      if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (9) =====");
 
      $display("Signed Multiply Accumulate test completed (MACS mode)");
 
 
      stimulus_done = 1;
   end