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[/] [openmsp430/] [trunk/] [core/] [sim/] [rtl_sim/] [src/] [sing-op_sxt.v] - Rev 2
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/*===========================================================================*/ /* 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 */ /* */ /*===========================================================================*/ /* SINGLE-OPERAND ARITHMETIC: SXT INSTRUCTION */ /*---------------------------------------------------------------------------*/ /* Test the SXT instruction. */ /*===========================================================================*/ initial begin $display(" ==============================================="); $display("| START SIMULATION |"); $display(" ==============================================="); repeat(5) @(posedge mclk); stimulus_done = 0; // Addressing mode: Rn @(r15==16'h1000); if (r4 !==16'h0024) tb_error("====== SXT (Rn mode): test 1 (result) ====="); if (r5 !==16'h0001) tb_error("====== SXT (Rn mode): test 1 (C flag) ====="); if (r6 !==16'hffb6) tb_error("====== SXT (Rn mode): test 2 (result) ====="); if (r7 !==16'h0005) tb_error("====== SXT (Rn mode): test 2 (C flag) ====="); // Addressing mode: @Rn @(r15==16'h2000); if (mem200 !==16'h0024) tb_error("====== SXT (@Rn mode): test 1 (result) ====="); if (r4 !==16'h0200) tb_error("====== SXT (@Rn mode): test 1 (address) ====="); if (r5 !==16'h0001) tb_error("====== SXT (@Rn mode): test 1 (C flag) ====="); if (mem202 !==16'hffb6) tb_error("====== SXT (@Rn mode): test 2 (result) ====="); if (r6 !==16'h0202) tb_error("====== SXT (@Rn mode): test 2 (address) ====="); if (r7 !==16'h0005) tb_error("====== SXT (@Rn mode): test 2 (C flag) ====="); // Addressing mode: @Rn+ @(r15==16'h3000); if (mem208 !==16'h0024) tb_error("====== SXT (@Rn+ mode): test 1 (result) ====="); if (r4 !==16'h020A) tb_error("====== SXT (@Rn+ mode): test 1 (address) ====="); if (r5 !==16'h0001) tb_error("====== SXT (@Rn+ mode): test 1 (C flag) ====="); if (mem20A !==16'hffb6) tb_error("====== SXT (@Rn+ mode): test 2 (result) ====="); if (r6 !==16'h020C) tb_error("====== SXT (@Rn+ mode): test 2 (address) ====="); if (r7 !==16'h0005) tb_error("====== SXT (@Rn+ mode): test 2 (C flag) ====="); // Addressing mode: X(Rn) @(r15==16'h4000); if (mem210 !==16'h0024) tb_error("====== SXT (X(Rn) mode): test 1 (result) ====="); if (r5 !==16'h0001) tb_error("====== SXT (X(Rn) mode): test 1 (C flag) ====="); if (mem212 !==16'hffb6) tb_error("====== SXT (X(Rn) mode): test 2 (result) ====="); if (r7 !==16'h0005) tb_error("====== SXT (X(Rn) mode): test 2 (C flag) ====="); // Addressing mode: EDE @(r15==16'h5000); if (mem218 !==16'h0024) tb_error("====== SXT (EDE mode): test 1 (result) ====="); if (r5 !==16'h0001) tb_error("====== SXT (EDE mode): test 1 (C flag) ====="); if (mem21A !==16'hffb6) tb_error("====== SXT (EDE mode): test 2 (result) ====="); if (r7 !==16'h0005) tb_error("====== SXT (EDE mode): test 2 (C flag) ====="); // Addressing mode: &EDE @(r15==16'h6000); if (mem220 !==16'h0024) tb_error("====== SXT (&EDE mode): test 1 (result) ====="); if (r5 !==16'h0001) tb_error("====== SXT (&EDE mode): test 1 (C flag) ====="); if (mem222 !==16'hffb6) tb_error("====== SXT (&EDE mode): test 2 (result) ====="); if (r7 !==16'h0005) tb_error("====== SXT (&EDE mode): test 2 (C flag) ====="); stimulus_done = 1; end
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