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olivier.gi |
/*===========================================================================*/
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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: CALL INSTRUCTION */
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/*---------------------------------------------------------------------------*/
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/* Test the CALL 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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// Initialization
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@(r15==16'h1000);
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if (r1 !==16'h0252) tb_error("====== SP initialization =====");
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if (r5 !==16'h0000) tb_error("====== R5 initialization =====");
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// Addressing mode: Rn
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@(r15==16'h2000);
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if (r1 !==16'h0252) tb_error("====== CALL (Rn mode): SP value =====");
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if (r5 !==16'h1234) tb_error("====== CALL (Rn mode): R5 value =====");
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// Addressing mode: @Rn
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@(r15==16'h3000);
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if (r1 !==16'h0252) tb_error("====== CALL (@Rn mode): SP value =====");
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if (r4 !==16'h0212) tb_error("====== CALL (@Rn mode): R4 value =====");
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if (r5 !==16'h5678) tb_error("====== CALL (@Rn mode): R5 value =====");
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// Addressing mode: @Rn+
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@(r15==16'h4000);
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if (r1 !==16'h0252) tb_error("====== CALL (@Rn+ mode): SP value =====");
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if (r4 !==16'h0218) tb_error("====== CALL (@Rn+ mode): R4 value =====");
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if (r5 !==16'h9abc) tb_error("====== CALL (@Rn+ mode): R5 value =====");
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// Addressing mode: #N
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@(r15==16'h5000);
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if (r1 !==16'h0252) tb_error("====== CALL (#N mode): SP value =====");
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if (r5 !==16'habcd) tb_error("====== CALL (#N mode): R5 value =====");
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// Addressing mode: X(Rn)
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@(r15==16'h6000);
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if (r1 !==16'h0252) tb_error("====== CALL (X(Rn) mode): SP value =====");
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if (r5 !==16'hef01) tb_error("====== CALL (X(Rn) mode): R5 value =====");
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// Addressing mode: EDE
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@(r15==16'h7000);
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if (r1 !==16'h0252) tb_error("====== CALL (EDE mode): SP value =====");
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if (r5 !==16'h2345) tb_error("====== CALL (EDE mode): R5 value =====");
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// Addressing mode: &EDE
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@(r15==16'h8000);
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if (r1 !==16'h0252) tb_error("====== CALL (&EDE mode): SP value =====");
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if (r5 !==16'h6789) tb_error("====== CALL (&EDE mode): R5 value =====");
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stimulus_done = 1;
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end
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