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olivier.girard |
/*===========================================================================*/
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/* Copyright (C) 2001 Authors */
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/* */
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/* This source file may be used and distributed without restriction provided */
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/* that this copyright statement is not removed from the file and that any */
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/* derivative work contains the original copyright notice and the associated */
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/* disclaimer. */
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/* */
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/* This source file is free software; you can redistribute it and/or modify */
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/* it under the terms of the GNU Lesser General Public License as published */
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/* by the Free Software Foundation; either version 2.1 of the License, or */
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/* (at your option) any later version. */
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/* */
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/* This source is distributed in the hope that it will be useful, but WITHOUT*/
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
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/* License for more details. */
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/* */
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/* You should have received a copy of the GNU Lesser General Public License */
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/* along with this source; if not, write to the Free Software Foundation, */
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/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
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/* */
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/*===========================================================================*/
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/* SINGLE-OPERAND ARITHMETIC: SXT INSTRUCTION */
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/*---------------------------------------------------------------------------*/
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/* Test the SXT instruction. */
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/*===========================================================================*/
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initial
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begin
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$display(" ===============================================");
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$display("| START SIMULATION |");
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$display(" ===============================================");
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repeat(5) @(posedge mclk);
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stimulus_done = 0;
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// Addressing mode: Rn
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@(r15==16'h1000);
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if (r4 !==16'h0024) tb_error("====== SXT (Rn mode): test 1 (result) =====");
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if (r5 !==16'h0001) tb_error("====== SXT (Rn mode): test 1 (C flag) =====");
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if (r6 !==16'hffb6) tb_error("====== SXT (Rn mode): test 2 (result) =====");
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if (r7 !==16'h0005) tb_error("====== SXT (Rn mode): test 2 (C flag) =====");
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// Addressing mode: @Rn
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@(r15==16'h2000);
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if (mem200 !==16'h0024) tb_error("====== SXT (@Rn mode): test 1 (result) =====");
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if (r4 !==16'h0200) tb_error("====== SXT (@Rn mode): test 1 (address) =====");
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if (r5 !==16'h0001) tb_error("====== SXT (@Rn mode): test 1 (C flag) =====");
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if (mem202 !==16'hffb6) tb_error("====== SXT (@Rn mode): test 2 (result) =====");
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if (r6 !==16'h0202) tb_error("====== SXT (@Rn mode): test 2 (address) =====");
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if (r7 !==16'h0005) tb_error("====== SXT (@Rn mode): test 2 (C flag) =====");
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// Addressing mode: @Rn+
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@(r15==16'h3000);
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if (mem208 !==16'h0024) tb_error("====== SXT (@Rn+ mode): test 1 (result) =====");
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if (r4 !==16'h020A) tb_error("====== SXT (@Rn+ mode): test 1 (address) =====");
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if (r5 !==16'h0001) tb_error("====== SXT (@Rn+ mode): test 1 (C flag) =====");
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if (mem20A !==16'hffb6) tb_error("====== SXT (@Rn+ mode): test 2 (result) =====");
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if (r6 !==16'h020C) tb_error("====== SXT (@Rn+ mode): test 2 (address) =====");
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if (r7 !==16'h0005) tb_error("====== SXT (@Rn+ mode): test 2 (C flag) =====");
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// Addressing mode: X(Rn)
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@(r15==16'h4000);
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if (mem210 !==16'h0024) tb_error("====== SXT (X(Rn) mode): test 1 (result) =====");
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if (r5 !==16'h0001) tb_error("====== SXT (X(Rn) mode): test 1 (C flag) =====");
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if (mem212 !==16'hffb6) tb_error("====== SXT (X(Rn) mode): test 2 (result) =====");
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if (r7 !==16'h0005) tb_error("====== SXT (X(Rn) mode): test 2 (C flag) =====");
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// Addressing mode: EDE
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@(r15==16'h5000);
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if (mem218 !==16'h0024) tb_error("====== SXT (EDE mode): test 1 (result) =====");
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if (r5 !==16'h0001) tb_error("====== SXT (EDE mode): test 1 (C flag) =====");
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if (mem21A !==16'hffb6) tb_error("====== SXT (EDE mode): test 2 (result) =====");
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if (r7 !==16'h0005) tb_error("====== SXT (EDE mode): test 2 (C flag) =====");
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// Addressing mode: &EDE
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@(r15==16'h6000);
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if (mem220 !==16'h0024) tb_error("====== SXT (&EDE mode): test 1 (result) =====");
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if (r5 !==16'h0001) tb_error("====== SXT (&EDE mode): test 1 (C flag) =====");
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if (mem222 !==16'hffb6) tb_error("====== SXT (&EDE mode): test 2 (result) =====");
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if (r7 !==16'h0005) tb_error("====== SXT (&EDE mode): test 2 (C flag) =====");
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stimulus_done = 1;
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end
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