/*===========================================================================*/
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/*===========================================================================*/
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/* Copyright (C) 2001 Authors */
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/* Copyright (C) 2001 Authors */
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/* */
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/* */
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/* This source file may be used and distributed without restriction provided */
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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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/* 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 */
|
/* derivative work contains the original copyright notice and the associated */
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/* disclaimer. */
|
/* disclaimer. */
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/* */
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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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/* 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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/* 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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/* 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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/* (at your option) any later version. */
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/* */
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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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/* 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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/* 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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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
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/* License for more details. */
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/* License for more details. */
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/* */
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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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/* 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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/* 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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/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
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/* */
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/* */
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/*===========================================================================*/
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/*===========================================================================*/
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/* TWO-OPERAND ARITHMETIC: ADD INSTRUCTION */
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/* TWO-OPERAND ARITHMETIC: ADD INSTRUCTION */
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/*---------------------------------------------------------------------------*/
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/*---------------------------------------------------------------------------*/
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/* Test the ADD instruction with all addressing modes */
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/* Test the ADD instruction with all addressing modes */
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/* */
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/* */
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/* Author(s): */
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/* Author(s): */
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/* - Olivier Girard, olgirard@gmail.com */
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/* - Olivier Girard, olgirard@gmail.com */
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/* */
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/* */
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/*---------------------------------------------------------------------------*/
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/*---------------------------------------------------------------------------*/
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/* $Rev: 17 $ */
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/* $Rev: 19 $ */
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/* $LastChangedBy: olivier.girard $ */
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/* $LastChangedBy: olivier.girard $ */
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/* $LastChangedDate: 2009-08-04 23:15:39 +0200 (Tue, 04 Aug 2009) $ */
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/* $LastChangedDate: 2009-08-04 23:47:15 +0200 (Tue, 04 Aug 2009) $ */
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/*===========================================================================*/
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/*===========================================================================*/
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initial
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initial
|
begin
|
begin
|
$display(" ===============================================");
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$display(" ===============================================");
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$display("| START SIMULATION |");
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$display("| START SIMULATION |");
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$display(" ===============================================");
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$display(" ===============================================");
|
repeat(5) @(posedge mclk);
|
repeat(5) @(posedge mclk);
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stimulus_done = 0;
|
stimulus_done = 0;
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|
|
// Check reset values
|
// Check reset values
|
//--------------------------------------------------------
|
//--------------------------------------------------------
|
if (r2 !==16'h0000) tb_error("R2 reset value");
|
if (r2 !==16'h0000) tb_error("R2 reset value");
|
if (r3 !==16'h0000) tb_error("R3 reset value");
|
if (r3 !==16'h0000) tb_error("R3 reset value");
|
if (r4 !==16'h0000) tb_error("R4 reset value");
|
if (r4 !==16'h0000) tb_error("R4 reset value");
|
if (r5 !==16'h0000) tb_error("R5 reset value");
|
if (r5 !==16'h0000) tb_error("R5 reset value");
|
if (r6 !==16'h0000) tb_error("R6 reset value");
|
if (r6 !==16'h0000) tb_error("R6 reset value");
|
if (r7 !==16'h0000) tb_error("R7 reset value");
|
if (r7 !==16'h0000) tb_error("R7 reset value");
|
if (r8 !==16'h0000) tb_error("R8 reset value");
|
if (r8 !==16'h0000) tb_error("R8 reset value");
|
if (r9 !==16'h0000) tb_error("R9 reset value");
|
if (r9 !==16'h0000) tb_error("R9 reset value");
|
if (r10!==16'h0000) tb_error("R10 reset value");
|
if (r10!==16'h0000) tb_error("R10 reset value");
|
if (r11!==16'h0000) tb_error("R11 reset value");
|
if (r11!==16'h0000) tb_error("R11 reset value");
|
if (r12!==16'h0000) tb_error("R12 reset value");
|
if (r12!==16'h0000) tb_error("R12 reset value");
|
if (r13!==16'h0000) tb_error("R13 reset value");
|
if (r13!==16'h0000) tb_error("R13 reset value");
|
if (r14!==16'h0000) tb_error("R14 reset value");
|
if (r14!==16'h0000) tb_error("R14 reset value");
|
if (r15!==16'h0000) tb_error("R15 reset value");
|
if (r15!==16'h0000) tb_error("R15 reset value");
|
|
|
|
|
// Make sure initialization worked fine
|
// Make sure initialization worked fine
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//--------------------------------------------------------
|
//--------------------------------------------------------
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@(r15==16'h1000);
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@(r15==16'h1000);
|
|
|
if (r2 !==16'h0022) tb_error("R2 initialization");
|
if (r2 !==16'h0022) tb_error("R2 initialization");
|
if (r3 !==16'h3333) tb_error("R3 initialization");
|
if (r3 !==16'h3333) tb_error("R3 initialization");
|
if (r4 !==16'h4444) tb_error("R4 initialization");
|
if (r4 !==16'h4444) tb_error("R4 initialization");
|
if (r5 !==16'h5555) tb_error("R5 initialization");
|
if (r5 !==16'h5555) tb_error("R5 initialization");
|
if (r6 !==16'h6666) tb_error("R6 initialization");
|
if (r6 !==16'h6666) tb_error("R6 initialization");
|
if (r7 !==16'h7777) tb_error("R7 initialization");
|
if (r7 !==16'h7777) tb_error("R7 initialization");
|
if (r8 !==16'h8888) tb_error("R8 initialization");
|
if (r8 !==16'h8888) tb_error("R8 initialization");
|
if (r9 !==16'h9999) tb_error("R9 initialization");
|
if (r9 !==16'h9999) tb_error("R9 initialization");
|
if (r10!==16'haaaa) tb_error("R10 initialization");
|
if (r10!==16'haaaa) tb_error("R10 initialization");
|
if (r11!==16'hbbbb) tb_error("R11 initialization");
|
if (r11!==16'hbbbb) tb_error("R11 initialization");
|
if (r12!==16'hcccc) tb_error("R12 initialization");
|
if (r12!==16'hcccc) tb_error("R12 initialization");
|
if (r13!==16'hdddd) tb_error("R13 initialization");
|
if (r13!==16'hdddd) tb_error("R13 initialization");
|
if (r14!==16'heeee) tb_error("R14 initialization");
|
if (r14!==16'heeee) tb_error("R14 initialization");
|
|
|
|
|
// ADD: Check when source is Rn
|
// ADD: Check when source is Rn
|
//--------------------------------------------------------
|
//--------------------------------------------------------
|
@(r15==16'h2000);
|
@(r15==16'h2000);
|
|
|
if (r5 !==16'h9999) tb_error("====== ADD Rn Rm =====");
|
if (r5 !==16'h9999) tb_error("====== ADD Rn Rm =====");
|
if (r4 ===16'h1234) tb_error("====== ADD Rn PC =====");
|
if (r4 ===16'h1234) tb_error("====== ADD Rn PC =====");
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if (mem210 !==16'h5555) tb_error("====== ADD Rn x(Rm) =====");
|
if (mem210 !==16'h5555) tb_error("====== ADD Rn x(Rm) =====");
|
if (mem212 !==16'h9abc) tb_error("====== ADD Rn EDE =====");
|
if (mem212 !==16'h9abc) tb_error("====== ADD Rn EDE =====");
|
if (mem214 !==16'h6789) tb_error("====== ADD Rn &EDE =====");
|
if (mem214 !==16'h6789) tb_error("====== ADD Rn &EDE =====");
|
|
|
|
|
// ADD: Check when source is @Rn
|
// ADD: Check when source is @Rn
|
//--------------------------------------------------------
|
//--------------------------------------------------------
|
@(r15==16'h3000);
|
@(r15==16'h3000);
|
|
|
if (r5 !==16'h7777) tb_error("====== ADD @Rn Rm =====");
|
if (r5 !==16'h7777) tb_error("====== ADD @Rn Rm =====");
|
if (r4 ===16'h0000) tb_error("====== ADD @Rn PC =====");
|
if (r4 ===16'h0000) tb_error("====== ADD @Rn PC =====");
|
if (mem210 !==16'h6666) tb_error("====== ADD @Rn x(Rm) =====");
|
if (mem210 !==16'h6666) tb_error("====== ADD @Rn x(Rm) =====");
|
if (mem212 !==16'hed2e) tb_error("====== ADD @Rn EDE =====");
|
if (mem212 !==16'hed2e) tb_error("====== ADD @Rn EDE =====");
|
if (mem214 !==16'h4653) tb_error("====== ADD @Rn &EDE =====");
|
if (mem214 !==16'h4653) tb_error("====== ADD @Rn &EDE =====");
|
|
|
|
|
// ADD: Check when source is @Rn+
|
// ADD: Check when source is @Rn+
|
//--------------------------------------------------------
|
//--------------------------------------------------------
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@(r15==16'h4000);
|
@(r15==16'h4000);
|
|
|
if (r4 !==16'h0202) tb_error("====== ADD @Rn+ Rm =====");
|
if (r4 !==16'h0202) tb_error("====== ADD @Rn+ Rm =====");
|
if (r5 !==16'haaaa) tb_error("====== ADD @Rn+ Rm =====");
|
if (r5 !==16'haaaa) tb_error("====== ADD @Rn+ Rm =====");
|
|
|
if (r6 !==16'h0206) tb_error("====== ADD @Rn+ PC =====");
|
if (r6 !==16'h0206) tb_error("====== ADD @Rn+ PC =====");
|
|
|
if (r7 !==16'h0210) tb_error("====== ADD @Rn+ x(Rm) =====");
|
if (r7 !==16'h0210) tb_error("====== ADD @Rn+ x(Rm) =====");
|
if (mem210 !==16'h6666) tb_error("====== ADD @Rn+ x(Rm) =====");
|
if (mem210 !==16'h6666) tb_error("====== ADD @Rn+ x(Rm) =====");
|
|
|
if (r8 !==16'h0208) tb_error("====== ADD @Rn+ EDE =====");
|
if (r8 !==16'h0208) tb_error("====== ADD @Rn+ EDE =====");
|
if (mem212 !==16'hed2e) tb_error("====== ADD @Rn+ EDE =====");
|
if (mem212 !==16'hed2e) tb_error("====== ADD @Rn+ EDE =====");
|
|
|
if (r9 !==16'h0204) tb_error("====== ADD @Rn+ &EDE =====");
|
if (r9 !==16'h0204) tb_error("====== ADD @Rn+ &EDE =====");
|
if (mem214 !==16'h4653) tb_error("====== ADD @Rn+ &EDE =====");
|
if (mem214 !==16'h4653) tb_error("====== ADD @Rn+ &EDE =====");
|
|
|
// ADD: Check when source is #N
|
// ADD: Check when source is #N
|
//--------------------------------------------------------
|
//--------------------------------------------------------
|
@(r15==16'h5000);
|
@(r15==16'h5000);
|
|
|
if (r4 !==16'h4444) tb_error("====== ADD #N Rm =====");
|
if (r4 !==16'h4444) tb_error("====== ADD #N Rm =====");
|
if (r5 !==16'h0000) tb_error("====== ADD #N PC =====");
|
if (r5 !==16'h0000) tb_error("====== ADD #N PC =====");
|
if (mem230 !==16'hae8c) tb_error("====== ADD #N x(Rm) =====");
|
if (mem230 !==16'hae8c) tb_error("====== ADD #N x(Rm) =====");
|
if (mem210 !==16'h5d50) tb_error("====== ADD #N EDE =====");
|
if (mem210 !==16'h5d50) tb_error("====== ADD #N EDE =====");
|
if (mem206 !==16'h6ea1) tb_error("====== ADD #N &EDE =====");
|
if (mem206 !==16'h6ea1) tb_error("====== ADD #N &EDE =====");
|
|
|
|
|
// ADD: Check when source is x(Rn)
|
// ADD: Check when source is x(Rn)
|
//--------------------------------------------------------
|
//--------------------------------------------------------
|
@(r15==16'h6000);
|
@(r15==16'h6000);
|
|
|
if (r5 !==16'h957b) tb_error("====== ADD x(Rn) Rm =====");
|
if (r5 !==16'h957b) tb_error("====== ADD x(Rn) Rm =====");
|
if (r6 ===16'h0000) tb_error("====== ADD x(Rn) PC =====");
|
if (r6 ===16'h0000) tb_error("====== ADD x(Rn) PC =====");
|
if (mem214 !==16'h5776) tb_error("====== ADD x(Rn) x(Rm) =====");
|
if (mem214 !==16'h5776) tb_error("====== ADD x(Rn) x(Rm) =====");
|
if (mem220 !==16'h937b) tb_error("====== ADD x(Rn) EDE =====");
|
if (mem220 !==16'h937b) tb_error("====== ADD x(Rn) EDE =====");
|
if (mem208 !==16'hace4) tb_error("====== ADD x(Rn) &EDE =====");
|
if (mem208 !==16'hace4) tb_error("====== ADD x(Rn) &EDE =====");
|
|
|
|
|
// ADD: Check when source is EDE
|
// ADD: Check when source is EDE
|
//--------------------------------------------------------
|
//--------------------------------------------------------
|
@(r15==16'h7000);
|
@(r15==16'h7000);
|
|
|
if (r4 !==16'h06f7) tb_error("====== ADD EDE Rm =====");
|
if (r4 !==16'h06f7) tb_error("====== ADD EDE Rm =====");
|
if (r6 ===16'h0000) tb_error("====== ADD EDE PC =====");
|
if (r6 ===16'h0000) tb_error("====== ADD EDE PC =====");
|
if (mem214 !==16'h0946) tb_error("====== ADD EDE x(Rm) =====");
|
if (mem214 !==16'h0946) tb_error("====== ADD EDE x(Rm) =====");
|
if (mem216 !==16'hb933) tb_error("====== ADD EDE EDE =====");
|
if (mem216 !==16'hb933) tb_error("====== ADD EDE EDE =====");
|
if (mem212 !==16'h2ab2) tb_error("====== ADD EDE &EDE =====");
|
if (mem212 !==16'h2ab2) tb_error("====== ADD EDE &EDE =====");
|
|
|
|
|
// ADD: Check when source is &EDE
|
// ADD: Check when source is &EDE
|
//--------------------------------------------------------
|
//--------------------------------------------------------
|
@(r15==16'h8000);
|
@(r15==16'h8000);
|
|
|
if (r4 !==16'h66f5) tb_error("====== ADD &EDE Rm =====");
|
if (r4 !==16'h66f5) tb_error("====== ADD &EDE Rm =====");
|
if (r6 ===16'h0000) tb_error("====== ADD &EDE PC =====");
|
if (r6 ===16'h0000) tb_error("====== ADD &EDE PC =====");
|
if (mem214 !==16'h82d1) tb_error("====== ADD &EDE x(Rm) =====");
|
if (mem214 !==16'h82d1) tb_error("====== ADD &EDE x(Rm) =====");
|
if (mem218 !==16'hca4e) tb_error("====== ADD &EDE EDE =====");
|
if (mem218 !==16'hca4e) tb_error("====== ADD &EDE EDE =====");
|
if (mem202 !==16'h1338) tb_error("====== ADD &EDE &EDE =====");
|
if (mem202 !==16'h1338) tb_error("====== ADD &EDE &EDE =====");
|
|
|
|
|
// ADD: Check when source is CONST
|
// ADD: Check when source is CONST
|
//--------------------------------------------------------
|
//--------------------------------------------------------
|
@(r15==16'h9000);
|
@(r15==16'h9000);
|
|
|
if (r4 !==16'h4444) tb_error("====== ADD #+0 Rm =====");
|
if (r4 !==16'h4444) tb_error("====== ADD #+0 Rm =====");
|
if (r5 !==16'h5556) tb_error("====== ADD #+1 Rm =====");
|
if (r5 !==16'h5556) tb_error("====== ADD #+1 Rm =====");
|
if (r6 !==16'h6668) tb_error("====== ADD #+2 Rm =====");
|
if (r6 !==16'h6668) tb_error("====== ADD #+2 Rm =====");
|
if (r7 !==16'h777b) tb_error("====== ADD #+4 Rm =====");
|
if (r7 !==16'h777b) tb_error("====== ADD #+4 Rm =====");
|
if (r8 !==16'h8890) tb_error("====== ADD #+8 Rm =====");
|
if (r8 !==16'h8890) tb_error("====== ADD #+8 Rm =====");
|
if (r9 !==16'h9998) tb_error("====== ADD #-1 Rm =====");
|
if (r9 !==16'h9998) tb_error("====== ADD #-1 Rm =====");
|
|
|
if (r11 !==16'h1234) tb_error("====== ADD #+4 PC =====");
|
if (r11 !==16'h1234) tb_error("====== ADD #+4 PC =====");
|
|
|
if (mem210 !==16'h4444) tb_error("====== ADD #+0 x(Rm) =====");
|
if (mem210 !==16'h4444) tb_error("====== ADD #+0 x(Rm) =====");
|
if (mem212 !==16'h5556) tb_error("====== ADD #+1 x(Rm) =====");
|
if (mem212 !==16'h5556) tb_error("====== ADD #+1 x(Rm) =====");
|
if (mem214 !==16'h6668) tb_error("====== ADD #+2 x(Rm) =====");
|
if (mem214 !==16'h6668) tb_error("====== ADD #+2 x(Rm) =====");
|
if (mem216 !==16'h777b) tb_error("====== ADD #+4 x(Rm) =====");
|
if (mem216 !==16'h777b) tb_error("====== ADD #+4 x(Rm) =====");
|
if (mem218 !==16'h8890) tb_error("====== ADD #+8 x(Rm) =====");
|
if (mem218 !==16'h8890) tb_error("====== ADD #+8 x(Rm) =====");
|
if (mem21A !==16'h9998) tb_error("====== ADD #-1 x(Rm) =====");
|
if (mem21A !==16'h9998) tb_error("====== ADD #-1 x(Rm) =====");
|
|
|
if (mem220 !==16'h4444) tb_error("====== ADD #+0 EDE =====");
|
if (mem220 !==16'h4444) tb_error("====== ADD #+0 EDE =====");
|
if (mem222 !==16'h5556) tb_error("====== ADD #+1 EDE =====");
|
if (mem222 !==16'h5556) tb_error("====== ADD #+1 EDE =====");
|
if (mem224 !==16'h6668) tb_error("====== ADD #+2 EDE =====");
|
if (mem224 !==16'h6668) tb_error("====== ADD #+2 EDE =====");
|
if (mem226 !==16'h777b) tb_error("====== ADD #+4 EDE =====");
|
if (mem226 !==16'h777b) tb_error("====== ADD #+4 EDE =====");
|
if (mem228 !==16'h8890) tb_error("====== ADD #+8 EDE =====");
|
if (mem228 !==16'h8890) tb_error("====== ADD #+8 EDE =====");
|
if (mem22A !==16'h9998) tb_error("====== ADD #-1 EDE =====");
|
if (mem22A !==16'h9998) tb_error("====== ADD #-1 EDE =====");
|
|
|
if (mem230 !==16'h4444) tb_error("====== ADD #+0 &EDE =====");
|
if (mem230 !==16'h4444) tb_error("====== ADD #+0 &EDE =====");
|
if (mem232 !==16'h5556) tb_error("====== ADD #+1 &EDE =====");
|
if (mem232 !==16'h5556) tb_error("====== ADD #+1 &EDE =====");
|
if (mem234 !==16'h6668) tb_error("====== ADD #+2 &EDE =====");
|
if (mem234 !==16'h6668) tb_error("====== ADD #+2 &EDE =====");
|
if (mem236 !==16'h777b) tb_error("====== ADD #+4 &EDE =====");
|
if (mem236 !==16'h777b) tb_error("====== ADD #+4 &EDE =====");
|
if (mem238 !==16'h8890) tb_error("====== ADD #+8 &EDE =====");
|
if (mem238 !==16'h8890) tb_error("====== ADD #+8 &EDE =====");
|
if (mem23A !==16'h9998) tb_error("====== ADD #-1 &EDE =====");
|
if (mem23A !==16'h9998) tb_error("====== ADD #-1 &EDE =====");
|
|
|
|
|
// ADD: Check Flags
|
// ADD: Check Flags
|
//--------------------------------------------------------
|
//--------------------------------------------------------
|
|
|
@(r15==16'hA000);
|
@(r15==16'hA000);
|
if (r2 !==16'h0000) tb_error("====== ADD FLAG: Flag check error: V=0, N=0, Z=0, C=0 =====");
|
if (r2 !==16'h0000) tb_error("====== ADD FLAG: Flag check error: V=0, N=0, Z=0, C=0 =====");
|
if (r5 !==16'h0999) tb_error("====== ADD FLAG: Result check error: V=0, N=0, Z=0, C=0 =====");
|
if (r5 !==16'h0999) tb_error("====== ADD FLAG: Result check error: V=0, N=0, Z=0, C=0 =====");
|
|
|
@(r15==16'hA001);
|
@(r15==16'hA001);
|
if (r2 !==16'h0001) tb_error("====== ADD FLAG: Flag check error: V=0, N=0, Z=0, C=1 =====");
|
if (r2 !==16'h0001) tb_error("====== ADD FLAG: Flag check error: V=0, N=0, Z=0, C=1 =====");
|
if (r5 !==16'h0001) tb_error("====== ADD FLAG: Result check error: V=0, N=0, Z=0, C=1 =====");
|
if (r5 !==16'h0001) tb_error("====== ADD FLAG: Result check error: V=0, N=0, Z=0, C=1 =====");
|
|
|
@(r15==16'hA002);
|
@(r15==16'hA002);
|
if (r2 !==16'h0002) tb_error("====== ADD FLAG: Flag check error: V=0, N=0, Z=1, C=0 =====");
|
if (r2 !==16'h0002) tb_error("====== ADD FLAG: Flag check error: V=0, N=0, Z=1, C=0 =====");
|
if (r5 !==16'h0000) tb_error("====== ADD FLAG: Result check error: V=0, N=0, Z=1, C=0 =====");
|
if (r5 !==16'h0000) tb_error("====== ADD FLAG: Result check error: V=0, N=0, Z=1, C=0 =====");
|
|
|
@(r15==16'hA003);
|
@(r15==16'hA003);
|
if (r2 !==16'h0004) tb_error("====== ADD FLAG: Flag check error: V=0, N=1, Z=0, C=0 =====");
|
if (r2 !==16'h0004) tb_error("====== ADD FLAG: Flag check error: V=0, N=1, Z=0, C=0 =====");
|
if (r5 !==16'hff10) tb_error("====== ADD FLAG: Result check error: V=0, N=1, Z=0, C=0 =====");
|
if (r5 !==16'hff10) tb_error("====== ADD FLAG: Result check error: V=0, N=1, Z=0, C=0 =====");
|
|
|
@(r15==16'hA004);
|
@(r15==16'hA004);
|
if (r2 !==16'h0104) tb_error("====== ADD FLAG: Flag check error: V=1, N=1, Z=0, C=0 =====");
|
if (r2 !==16'h0104) tb_error("====== ADD FLAG: Flag check error: V=1, N=1, Z=0, C=0 =====");
|
if (r5 !==16'h800f) tb_error("====== ADD FLAG: Result check error: V=1, N=1, Z=0, C=0 =====");
|
if (r5 !==16'h800f) tb_error("====== ADD FLAG: Result check error: V=1, N=1, Z=0, C=0 =====");
|
|
|
@(r15==16'hA005);
|
@(r15==16'hA005);
|
if (r2 !==16'h0101) tb_error("====== ADD FLAG: Flag check error: V=1, N=0, Z=0, C=1 =====");
|
if (r2 !==16'h0101) tb_error("====== ADD FLAG: Flag check error: V=1, N=0, Z=0, C=1 =====");
|
if (r5 !==16'h7f00) tb_error("====== ADD FLAG: Result check error: V=1, N=0, Z=0, C=1 =====");
|
if (r5 !==16'h7f00) tb_error("====== ADD FLAG: Result check error: V=1, N=0, Z=0, C=1 =====");
|
|
|
// ---------------- TEST WHEN SOURCE IS CONSTANT IN BYTE MODE ------ */
|
// ---------------- TEST WHEN SOURCE IS CONSTANT IN BYTE MODE ------ */
|
// #
|
// #
|
// # NOTE: The following section would not fit in the smallest ROM
|
// # NOTE: The following section would not fit in the smallest ROM
|
// # configuration for the "two-op_add-b.v" pattern.
|
// # configuration for the "two-op_add-b.v" pattern.
|
// # It is therefore executed here.
|
// # It is therefore executed here.
|
// #
|
// #
|
@(r15==16'hB000);
|
@(r15==16'hB000);
|
|
|
|
|
if (mem250 !==16'haa44) tb_error("====== ADD.B #+0 &EDE =====");
|
if (mem250 !==16'haa44) tb_error("====== ADD.B #+0 &EDE =====");
|
if (mem252 !==16'haa56) tb_error("====== ADD.B #+1 &EDE =====");
|
if (mem252 !==16'haa56) tb_error("====== ADD.B #+1 &EDE =====");
|
if (mem254 !==16'haa68) tb_error("====== ADD.B #+2 &EDE =====");
|
if (mem254 !==16'haa68) tb_error("====== ADD.B #+2 &EDE =====");
|
if (mem256 !==16'haa7b) tb_error("====== ADD.B #+4 &EDE =====");
|
if (mem256 !==16'haa7b) tb_error("====== ADD.B #+4 &EDE =====");
|
if (mem258 !==16'haa3d) tb_error("====== ADD.B #+8 &EDE =====");
|
if (mem258 !==16'haa3d) tb_error("====== ADD.B #+8 &EDE =====");
|
if (mem25A !==16'haa98) tb_error("====== ADD.B #-1 &EDE =====");
|
if (mem25A !==16'haa98) tb_error("====== ADD.B #-1 &EDE =====");
|
if (mem25C !==16'haa55) tb_error("====== ADD.B #+0 &EDE =====");
|
if (mem25C !==16'haa55) tb_error("====== ADD.B #+0 &EDE =====");
|
if (mem25E !==16'hbc55) tb_error("====== ADD.B #+1 &EDE =====");
|
if (mem25E !==16'hbc55) tb_error("====== ADD.B #+1 &EDE =====");
|
if (mem260 !==16'hce55) tb_error("====== ADD.B #+2 &EDE =====");
|
if (mem260 !==16'hce55) tb_error("====== ADD.B #+2 &EDE =====");
|
if (mem262 !==16'he155) tb_error("====== ADD.B #+4 &EDE =====");
|
if (mem262 !==16'he155) tb_error("====== ADD.B #+4 &EDE =====");
|
if (mem264 !==16'hf655) tb_error("====== ADD.B #+8 &EDE =====");
|
if (mem264 !==16'hf655) tb_error("====== ADD.B #+8 &EDE =====");
|
if (mem266 !==16'h3255) tb_error("====== ADD.B #-1 &EDE =====");
|
if (mem266 !==16'h3255) tb_error("====== ADD.B #-1 &EDE =====");
|
|
|
|
|
// ADD.B: Check Flags
|
// ADD.B: Check Flags
|
//--------------------------------------------------------
|
//--------------------------------------------------------
|
|
|
@(r15==16'hC000);
|
@(r15==16'hC000);
|
if (r2 !==16'h0000) tb_error("====== ADD.B FLAG: Flag check error: V=0, N=0, Z=0, C=0 =====");
|
if (r2 !==16'h0000) tb_error("====== ADD.B FLAG: Flag check error: V=0, N=0, Z=0, C=0 =====");
|
if (r5 !==16'h0009) tb_error("====== ADD.B FLAG: Result check error: V=0, N=0, Z=0, C=0 =====");
|
if (r5 !==16'h0009) tb_error("====== ADD.B FLAG: Result check error: V=0, N=0, Z=0, C=0 =====");
|
|
|
@(r15==16'hC001);
|
@(r15==16'hC001);
|
if (r2 !==16'h0001) tb_error("====== ADD.B FLAG: Flag check error: V=0, N=0, Z=0, C=1 =====");
|
if (r2 !==16'h0001) tb_error("====== ADD.B FLAG: Flag check error: V=0, N=0, Z=0, C=1 =====");
|
if (r5 !==16'h0001) tb_error("====== ADD.B FLAG: Result check error: V=0, N=0, Z=0, C=1 =====");
|
if (r5 !==16'h0001) tb_error("====== ADD.B FLAG: Result check error: V=0, N=0, Z=0, C=1 =====");
|
|
|
@(r15==16'hC002);
|
@(r15==16'hC002);
|
if (r2 !==16'h0002) tb_error("====== ADD.B FLAG: Flag check error: V=0, N=0, Z=1, C=0 =====");
|
if (r2 !==16'h0002) tb_error("====== ADD.B FLAG: Flag check error: V=0, N=0, Z=1, C=0 =====");
|
if (r5 !==16'h0000) tb_error("====== ADD.B FLAG: Result check error: V=0, N=0, Z=1, C=0 =====");
|
if (r5 !==16'h0000) tb_error("====== ADD.B FLAG: Result check error: V=0, N=0, Z=1, C=0 =====");
|
|
|
@(r15==16'hC003);
|
@(r15==16'hC003);
|
if (r2 !==16'h0004) tb_error("====== ADD.B FLAG: Flag check error: V=0, N=1, Z=0, C=0 =====");
|
if (r2 !==16'h0004) tb_error("====== ADD.B FLAG: Flag check error: V=0, N=1, Z=0, C=0 =====");
|
if (r5 !==16'h00f3) tb_error("====== ADD.B FLAG: Result check error: V=0, N=1, Z=0, C=0 =====");
|
if (r5 !==16'h00f3) tb_error("====== ADD.B FLAG: Result check error: V=0, N=1, Z=0, C=0 =====");
|
|
|
@(r15==16'hC004);
|
@(r15==16'hC004);
|
if (r2 !==16'h0104) tb_error("====== ADD.B FLAG: Flag check error: V=1, N=1, Z=0, C=0 =====");
|
if (r2 !==16'h0104) tb_error("====== ADD.B FLAG: Flag check error: V=1, N=1, Z=0, C=0 =====");
|
if (r5 !==16'h008f) tb_error("====== ADD.B FLAG: Result check error: V=1, N=1, Z=0, C=0 =====");
|
if (r5 !==16'h008f) tb_error("====== ADD.B FLAG: Result check error: V=1, N=1, Z=0, C=0 =====");
|
|
|
@(r15==16'hC005);
|
@(r15==16'hC005);
|
if (r2 !==16'h0101) tb_error("====== ADD.B FLAG: Flag check error: V=1, N=0, Z=0, C=1 =====");
|
if (r2 !==16'h0101) tb_error("====== ADD.B FLAG: Flag check error: V=1, N=0, Z=0, C=1 =====");
|
if (r5 !==16'h007f) tb_error("====== ADD.B FLAG: Result check error: V=1, N=0, Z=0, C=1 =====");
|
if (r5 !==16'h007f) tb_error("====== ADD.B FLAG: Result check error: V=1, N=0, Z=0, C=1 =====");
|
|
|
stimulus_done = 1;
|
stimulus_done = 1;
|
end
|
end
|
|
|
|
|