/*===========================================================================*/
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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 */
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/* derivative work contains the original copyright notice and the associated */
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/* disclaimer. */
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/* 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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/* SINGLE-OPERAND ARITHMETIC: RETI INSTRUCTION */
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/* SINGLE-OPERAND ARITHMETIC: RETI INSTRUCTION */
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/*---------------------------------------------------------------------------*/
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/*---------------------------------------------------------------------------*/
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/* Test the RETI instruction. */
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/* Test the RETI instruction. */
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/* */
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/* Author(s): */
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/* - Olivier Girard, olgirard@gmail.com */
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/* */
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/*---------------------------------------------------------------------------*/
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/* $Rev: 17 $ */
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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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/*===========================================================================*/
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/*===========================================================================*/
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integer i;
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integer i;
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reg [15:0] temp_val;
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reg [15:0] temp_val;
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initial
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initial
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begin
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begin
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$display(" ===============================================");
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$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(" ===============================================");
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repeat(5) @(posedge mclk);
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repeat(5) @(posedge mclk);
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stimulus_done = 0;
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stimulus_done = 0;
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// RETI Instruction test
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// RETI Instruction test
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//--------------------------
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//--------------------------
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@(r15==16'h1000);
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@(r15==16'h1000);
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if (r3 !==16'h0000) tb_error("====== RESET Vector: R3 value =====");
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if (r3 !==16'h0000) tb_error("====== RESET Vector: R3 value =====");
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if (r4 !==16'h0000) tb_error("====== RESET Vector: R4 value =====");
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if (r4 !==16'h0000) tb_error("====== RESET Vector: R4 value =====");
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if (r5 !==16'h0000) tb_error("====== RESET Vector: R5 value =====");
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if (r5 !==16'h0000) tb_error("====== RESET Vector: R5 value =====");
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if (r6 !==16'h0000) tb_error("====== RESET Vector: R6 value =====");
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if (r6 !==16'h0000) tb_error("====== RESET Vector: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== RESET Vector: R7 value =====");
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if (r7 !==16'h0000) tb_error("====== RESET Vector: R7 value =====");
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if (r8 !==16'h0000) tb_error("====== RESET Vector: R8 value =====");
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if (r8 !==16'h0000) tb_error("====== RESET Vector: R8 value =====");
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if (r9 !==16'h0000) tb_error("====== RESET Vector: R9 value =====");
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if (r9 !==16'h0000) tb_error("====== RESET Vector: R9 value =====");
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if (r10 !==16'h0000) tb_error("====== RESET Vector: R10 value =====");
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if (r10 !==16'h0000) tb_error("====== RESET Vector: R10 value =====");
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if (r11 !==16'h0000) tb_error("====== RESET Vector: R11 value =====");
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if (r11 !==16'h0000) tb_error("====== RESET Vector: R11 value =====");
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if (r12 !==16'h0000) tb_error("====== RESET Vector: R12 value =====");
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if (r12 !==16'h0000) tb_error("====== RESET Vector: R12 value =====");
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if (r13 !==16'h0000) tb_error("====== RESET Vector: R13 value =====");
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if (r13 !==16'h0000) tb_error("====== RESET Vector: R13 value =====");
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if (r14 !==16'h0000) tb_error("====== RESET Vector: R14 value =====");
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if (r14 !==16'h0000) tb_error("====== RESET Vector: R14 value =====");
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// RETI Instruction test
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// RETI Instruction test
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//--------------------------
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//--------------------------
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@(r15==16'h2000);
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@(r15==16'h2000);
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if (r1 !==16'h0252) tb_error("====== RETI: SP value =====");
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if (r1 !==16'h0252) tb_error("====== RETI: SP value =====");
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if (r2 !==16'h0145) tb_error("====== RETI: SR value =====");
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if (r2 !==16'h0145) tb_error("====== RETI: SR value =====");
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if (r5 !==16'h1234) tb_error("====== RETI: R5 value =====");
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if (r5 !==16'h1234) tb_error("====== RETI: R5 value =====");
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// Test interruption 0
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// Test interruption 0
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//--------------------------
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//--------------------------
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@(r15==16'h3000);
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@(r15==16'h3000);
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repeat(2) @(posedge mclk);
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repeat(2) @(posedge mclk);
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irq[0] = 1'b1;
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irq[0] = 1'b1;
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repeat(15) @(posedge mclk);
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repeat(15) @(posedge mclk);
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irq[0] = 1'b0;
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irq[0] = 1'b0;
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@(r15==16'h3001);
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@(r15==16'h3001);
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if (r1 !==16'h0252) tb_error("====== IRQ 0: SP value =====");
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if (r1 !==16'h0252) tb_error("====== IRQ 0: SP value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 0: GIE value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 0: GIE value =====");
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if (r6 !==16'h5678) tb_error("====== IRQ 0: R6 value =====");
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if (r6 !==16'h5678) tb_error("====== IRQ 0: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 0: R7 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 0: R7 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 0: R8 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 0: R8 value =====");
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// Test interruption 1
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// Test interruption 1
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//--------------------------
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//--------------------------
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@(r15==16'h4000);
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@(r15==16'h4000);
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repeat(2) @(posedge mclk);
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repeat(2) @(posedge mclk);
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irq[1:0] = {2{1'b1}};
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irq[1:0] = {2{1'b1}};
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repeat(15) @(posedge mclk);
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repeat(15) @(posedge mclk);
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irq[1:0] = 1'b0;
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irq[1:0] = 1'b0;
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@(r15==16'h4001);
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@(r15==16'h4001);
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if (r1 !==16'h0252) tb_error("====== IRQ 1: SP value =====");
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if (r1 !==16'h0252) tb_error("====== IRQ 1: SP value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 1: GIE value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 1: GIE value =====");
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if (r6 !==16'h9abc) tb_error("====== IRQ 1: R6 value =====");
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if (r6 !==16'h9abc) tb_error("====== IRQ 1: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 1: R7 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 1: R7 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 1: R8 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 1: R8 value =====");
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// Test interruption 2
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// Test interruption 2
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//--------------------------
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//--------------------------
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@(r15==16'h5000);
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@(r15==16'h5000);
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repeat(2) @(posedge mclk);
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repeat(2) @(posedge mclk);
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irq[2:0] = {3{1'b1}};
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irq[2:0] = {3{1'b1}};
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repeat(15) @(posedge mclk);
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repeat(15) @(posedge mclk);
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irq[2:0] = 1'b0;
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irq[2:0] = 1'b0;
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@(r15==16'h5001);
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@(r15==16'h5001);
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if (r1 !==16'h0252) tb_error("====== IRQ 2: SP value =====");
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if (r1 !==16'h0252) tb_error("====== IRQ 2: SP value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 2: GIE value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 2: GIE value =====");
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if (r6 !==16'hdef1) tb_error("====== IRQ 2: R6 value =====");
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if (r6 !==16'hdef1) tb_error("====== IRQ 2: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 2: R7 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 2: R7 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 2: R8 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 2: R8 value =====");
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// Test interruption 3
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// Test interruption 3
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//--------------------------
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//--------------------------
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@(r15==16'h6000);
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@(r15==16'h6000);
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repeat(2) @(posedge mclk);
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repeat(2) @(posedge mclk);
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irq[3:0] = {4{1'b1}};
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irq[3:0] = {4{1'b1}};
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repeat(15) @(posedge mclk);
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repeat(15) @(posedge mclk);
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irq[3:0] = 1'b0;
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irq[3:0] = 1'b0;
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@(r15==16'h6001);
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@(r15==16'h6001);
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if (r1 !==16'h0252) tb_error("====== IRQ 3: SP value =====");
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if (r1 !==16'h0252) tb_error("====== IRQ 3: SP value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 3: GIE value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 3: GIE value =====");
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if (r6 !==16'h2345) tb_error("====== IRQ 3: R6 value =====");
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if (r6 !==16'h2345) tb_error("====== IRQ 3: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 3: R7 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 3: R7 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 3: R8 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 3: R8 value =====");
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// Test interruption 4
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// Test interruption 4
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//--------------------------
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//--------------------------
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@(r15==16'h7000);
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@(r15==16'h7000);
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repeat(2) @(posedge mclk);
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repeat(2) @(posedge mclk);
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irq[4:0] = {5{1'b1}};
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irq[4:0] = {5{1'b1}};
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repeat(15) @(posedge mclk);
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repeat(15) @(posedge mclk);
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irq[4:0] = 1'b0;
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irq[4:0] = 1'b0;
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@(r15==16'h7001);
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@(r15==16'h7001);
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if (r1 !==16'h0252) tb_error("====== IRQ 4: SP value =====");
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if (r1 !==16'h0252) tb_error("====== IRQ 4: SP value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 4: GIE value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 4: GIE value =====");
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if (r6 !==16'h6789) tb_error("====== IRQ 4: R6 value =====");
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if (r6 !==16'h6789) tb_error("====== IRQ 4: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 4: R7 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 4: R7 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 4: R8 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 4: R8 value =====");
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// Test interruption 5
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// Test interruption 5
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//--------------------------
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//--------------------------
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@(r15==16'h8000);
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@(r15==16'h8000);
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repeat(2) @(posedge mclk);
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repeat(2) @(posedge mclk);
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irq[5:0] = {6{1'b1}};
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irq[5:0] = {6{1'b1}};
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repeat(15) @(posedge mclk);
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repeat(15) @(posedge mclk);
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irq[5:0] = 1'b0;
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irq[5:0] = 1'b0;
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@(r15==16'h8001);
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@(r15==16'h8001);
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if (r1 !==16'h0252) tb_error("====== IRQ 5: SP value =====");
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if (r1 !==16'h0252) tb_error("====== IRQ 5: SP value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 5: GIE value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 5: GIE value =====");
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if (r6 !==16'habcd) tb_error("====== IRQ 5: R6 value =====");
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if (r6 !==16'habcd) tb_error("====== IRQ 5: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 5: R7 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 5: R7 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 5: R8 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 5: R8 value =====");
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// Test interruption 6
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// Test interruption 6
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//--------------------------
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//--------------------------
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@(r15==16'h9000);
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@(r15==16'h9000);
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repeat(2) @(posedge mclk);
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repeat(2) @(posedge mclk);
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irq[6:0] = {7{1'b1}};
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irq[6:0] = {7{1'b1}};
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repeat(15) @(posedge mclk);
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repeat(15) @(posedge mclk);
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irq[6:0] = 1'b0;
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irq[6:0] = 1'b0;
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@(r15==16'h9001);
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@(r15==16'h9001);
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if (r1 !==16'h0252) tb_error("====== IRQ 6: SP value =====");
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if (r1 !==16'h0252) tb_error("====== IRQ 6: SP value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 6: GIE value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 6: GIE value =====");
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if (r6 !==16'hef12) tb_error("====== IRQ 6: R6 value =====");
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if (r6 !==16'hef12) tb_error("====== IRQ 6: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 6: R7 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 6: R7 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 6: R8 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 6: R8 value =====");
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// Test interruption 7
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// Test interruption 7
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//--------------------------
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//--------------------------
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@(r15==16'ha000);
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@(r15==16'ha000);
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repeat(2) @(posedge mclk);
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repeat(2) @(posedge mclk);
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irq[7:0] = {8{1'b1}};
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irq[7:0] = {8{1'b1}};
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repeat(15) @(posedge mclk);
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repeat(15) @(posedge mclk);
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irq[7:0] = 1'b0;
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irq[7:0] = 1'b0;
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@(r15==16'ha001);
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@(r15==16'ha001);
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if (r1 !==16'h0252) tb_error("====== IRQ 7: SP value =====");
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if (r1 !==16'h0252) tb_error("====== IRQ 7: SP value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 7: GIE value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 7: GIE value =====");
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if (r6 !==16'h3456) tb_error("====== IRQ 7: R6 value =====");
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if (r6 !==16'h3456) tb_error("====== IRQ 7: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 7: R7 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 7: R7 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 7: R8 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 7: R8 value =====");
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// Test interruption 8
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// Test interruption 8
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//--------------------------
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//--------------------------
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@(r15==16'hb000);
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@(r15==16'hb000);
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repeat(2) @(posedge mclk);
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repeat(2) @(posedge mclk);
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irq[8:0] = {9{1'b1}};
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irq[8:0] = {9{1'b1}};
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repeat(15) @(posedge mclk);
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repeat(15) @(posedge mclk);
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irq[8:0] = 1'b0;
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irq[8:0] = 1'b0;
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@(r15==16'hb001);
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@(r15==16'hb001);
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if (r1 !==16'h0252) tb_error("====== IRQ 8: SP value =====");
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if (r1 !==16'h0252) tb_error("====== IRQ 8: SP value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 8: GIE value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 8: GIE value =====");
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if (r6 !==16'h789a) tb_error("====== IRQ 8: R6 value =====");
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if (r6 !==16'h789a) tb_error("====== IRQ 8: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 8: R7 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 8: R7 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 8: R8 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 8: R8 value =====");
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// Test interruption 9
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// Test interruption 9
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//--------------------------
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//--------------------------
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@(r15==16'hc000);
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@(r15==16'hc000);
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repeat(2) @(posedge mclk);
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repeat(2) @(posedge mclk);
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irq[9:0] = {10{1'b1}};
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irq[9:0] = {10{1'b1}};
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repeat(15) @(posedge mclk);
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repeat(15) @(posedge mclk);
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irq[9:0] = 1'b0;
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irq[9:0] = 1'b0;
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@(r15==16'hc001);
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@(r15==16'hc001);
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if (r1 !==16'h0252) tb_error("====== IRQ 9: SP value =====");
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if (r1 !==16'h0252) tb_error("====== IRQ 9: SP value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 9: GIE value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 9: GIE value =====");
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if (r6 !==16'hbcde) tb_error("====== IRQ 9: R6 value =====");
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if (r6 !==16'hbcde) tb_error("====== IRQ 9: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 9: R7 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 9: R7 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 9: R8 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 9: R8 value =====");
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// Test interruption 10
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// Test interruption 10
|
//--------------------------
|
//--------------------------
|
@(r15==16'hd000);
|
@(r15==16'hd000);
|
repeat(2) @(posedge mclk);
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repeat(2) @(posedge mclk);
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irq[10:0] = {11{1'b1}};
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irq[10:0] = {11{1'b1}};
|
repeat(15) @(posedge mclk);
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repeat(15) @(posedge mclk);
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irq[10:0] = 1'b0;
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irq[10:0] = 1'b0;
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|
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@(r15==16'hd001);
|
@(r15==16'hd001);
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if (r1 !==16'h0252) tb_error("====== IRQ 10: SP value =====");
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if (r1 !==16'h0252) tb_error("====== IRQ 10: SP value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 10: GIE value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 10: GIE value =====");
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if (r6 !==16'hf123) tb_error("====== IRQ 10: R6 value =====");
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if (r6 !==16'hf123) tb_error("====== IRQ 10: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 10: R7 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 10: R7 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 10: R8 value =====");
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if (r8 !==16'h024e) tb_error("====== IRQ 10: R8 value =====");
|
|
|
|
|
// Test interruption 11
|
// Test interruption 11
|
//--------------------------
|
//--------------------------
|
@(r15==16'he000);
|
@(r15==16'he000);
|
repeat(2) @(posedge mclk);
|
repeat(2) @(posedge mclk);
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irq[11:0] = {12{1'b1}};
|
irq[11:0] = {12{1'b1}};
|
repeat(15) @(posedge mclk);
|
repeat(15) @(posedge mclk);
|
irq[11:0] = 1'b0;
|
irq[11:0] = 1'b0;
|
|
|
@(r15==16'he001);
|
@(r15==16'he001);
|
if (r1 !==16'h0252) tb_error("====== IRQ 11: SP value =====");
|
if (r1 !==16'h0252) tb_error("====== IRQ 11: SP value =====");
|
if (r2[3] !==1'b1) tb_error("====== IRQ 11: GIE value =====");
|
if (r2[3] !==1'b1) tb_error("====== IRQ 11: GIE value =====");
|
if (r6 !==16'h4567) tb_error("====== IRQ 11: R6 value =====");
|
if (r6 !==16'h4567) tb_error("====== IRQ 11: R6 value =====");
|
if (r7 !==16'h0000) tb_error("====== IRQ 11: R7 value =====");
|
if (r7 !==16'h0000) tb_error("====== IRQ 11: R7 value =====");
|
if (r8 !==16'h024e) tb_error("====== IRQ 11: R8 value =====");
|
if (r8 !==16'h024e) tb_error("====== IRQ 11: R8 value =====");
|
|
|
|
|
// Test interruption 12
|
// Test interruption 12
|
//--------------------------
|
//--------------------------
|
@(r15==16'hf000);
|
@(r15==16'hf000);
|
repeat(2) @(posedge mclk);
|
repeat(2) @(posedge mclk);
|
irq[12:0] = {13{1'b1}};
|
irq[12:0] = {13{1'b1}};
|
repeat(15) @(posedge mclk);
|
repeat(15) @(posedge mclk);
|
irq[12:0] = 1'b0;
|
irq[12:0] = 1'b0;
|
|
|
@(r15==16'hf001);
|
@(r15==16'hf001);
|
if (r1 !==16'h0252) tb_error("====== IRQ 12: SP value =====");
|
if (r1 !==16'h0252) tb_error("====== IRQ 12: SP value =====");
|
if (r2[3] !==1'b1) tb_error("====== IRQ 12: GIE value =====");
|
if (r2[3] !==1'b1) tb_error("====== IRQ 12: GIE value =====");
|
if (r6 !==16'h89ab) tb_error("====== IRQ 12: R6 value =====");
|
if (r6 !==16'h89ab) tb_error("====== IRQ 12: R6 value =====");
|
if (r7 !==16'h0000) tb_error("====== IRQ 12: R7 value =====");
|
if (r7 !==16'h0000) tb_error("====== IRQ 12: R7 value =====");
|
if (r8 !==16'h024e) tb_error("====== IRQ 12: R8 value =====");
|
if (r8 !==16'h024e) tb_error("====== IRQ 12: R8 value =====");
|
|
|
|
|
// Test interruption 13
|
// Test interruption 13
|
//--------------------------
|
//--------------------------
|
@(r15==16'hf100);
|
@(r15==16'hf100);
|
repeat(2) @(posedge mclk);
|
repeat(2) @(posedge mclk);
|
irq[13:0] = {14{1'b1}};
|
irq[13:0] = {14{1'b1}};
|
repeat(15) @(posedge mclk);
|
repeat(15) @(posedge mclk);
|
irq[13:0] = 1'b0;
|
irq[13:0] = 1'b0;
|
|
|
@(r15==16'hf101);
|
@(r15==16'hf101);
|
if (r1 !==16'h0252) tb_error("====== IRQ 13: SP value =====");
|
if (r1 !==16'h0252) tb_error("====== IRQ 13: SP value =====");
|
if (r2[3] !==1'b1) tb_error("====== IRQ 13: GIE value =====");
|
if (r2[3] !==1'b1) tb_error("====== IRQ 13: GIE value =====");
|
if (r6 !==16'hcdef) tb_error("====== IRQ 13: R6 value =====");
|
if (r6 !==16'hcdef) tb_error("====== IRQ 13: R6 value =====");
|
if (r7 !==16'h0000) tb_error("====== IRQ 13: R7 value =====");
|
if (r7 !==16'h0000) tb_error("====== IRQ 13: R7 value =====");
|
if (r8 !==16'h024e) tb_error("====== IRQ 13: R8 value =====");
|
if (r8 !==16'h024e) tb_error("====== IRQ 13: R8 value =====");
|
|
|
|
|
// Test interruption NMI: rising edge
|
// Test interruption NMI: rising edge
|
//--------------------------------------
|
//--------------------------------------
|
@(r15==16'hf200);
|
@(r15==16'hf200);
|
repeat(2) @(posedge mclk);
|
repeat(2) @(posedge mclk);
|
irq[13:0] = {14{1'b1}};
|
irq[13:0] = {14{1'b1}};
|
nmi = 1'b1;
|
nmi = 1'b1;
|
repeat(15) @(posedge mclk);
|
repeat(15) @(posedge mclk);
|
irq[13:0] = 1'b0;
|
irq[13:0] = 1'b0;
|
nmi = 1'b0;
|
nmi = 1'b0;
|
|
|
@(r15==16'hf201);
|
@(r15==16'hf201);
|
if (r1 !==16'h0252) tb_error("====== NMI: SP value =====");
|
if (r1 !==16'h0252) tb_error("====== NMI: SP value =====");
|
if (r2[3] !==1'b1) tb_error("====== NMI: GIE value =====");
|
if (r2[3] !==1'b1) tb_error("====== NMI: GIE value =====");
|
if (r6 !==16'h0123) tb_error("====== NMI: R6 value =====");
|
if (r6 !==16'h0123) tb_error("====== NMI: R6 value =====");
|
if (r7 !==16'h0000) tb_error("====== NMI: R7 value =====");
|
if (r7 !==16'h0000) tb_error("====== NMI: R7 value =====");
|
if (r8 !==16'h024e) tb_error("====== NMI: R8 value =====");
|
if (r8 !==16'h024e) tb_error("====== NMI: R8 value =====");
|
|
|
if (r9 !==16'h0000) tb_error("====== NMI: NMIE value =====");
|
if (r9 !==16'h0000) tb_error("====== NMI: NMIE value =====");
|
if (r10 !==16'h0010) tb_error("====== NMI: NMIIFG value =====");
|
if (r10 !==16'h0010) tb_error("====== NMI: NMIIFG value =====");
|
|
|
|
|
stimulus_done = 1;
|
stimulus_done = 1;
|
end
|
end
|
|
|
|
|