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[/] [openmsp430/] [trunk/] [core/] [sim/] [rtl_sim/] [src/] [two-op_dadd.s43] - Blame information for rev 156

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1 2 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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/*                 TWO-OPERAND ARITHMETIC: DADD[.B] INSTRUCTION              */
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/*---------------------------------------------------------------------------*/
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/* Test the DADD[.B] instruction.                                            */
27 18 olivier.gi 
/*                                                                           */
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/* Author(s):                                                                */
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/*             - Olivier Girard,    olgirard@gmail.com                       */
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/*                                                                           */
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/*---------------------------------------------------------------------------*/
32 19 olivier.gi 
/* $Rev: 19 $                                                                */
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/* $LastChangedBy: olivier.girard $                                          */
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/* $LastChangedDate: 2009-08-04 23:47:15 +0200 (Tue, 04 Aug 2009) $          */
35 2 olivier.gi 
/*===========================================================================*/
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.global main
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main:
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        /* -------------- TEST INSTRUCTION IN WORD MODE ------------------- */
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        # Test DADD without Carry bit set
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        mov     #0x0000, r2
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        mov     #0x0159, r4
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        mov     #0x1078, r5
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        dadd         r4, r5        ;# Add decimally r5+r4 (159+1078=1237)
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        # Test DADD with Carry bit set
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        mov     #0x0001, r2
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        mov     #0x4999, r4
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        mov     #0x2111, r6
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        dadd         r4, r6        ;# Add decimally r6+r4 (4999+2111+C=7111)
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        mov     #0x1000, r15
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        /* -------------- TEST INSTRUCTION IN BYTE MODE ------------------- */
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        # Test DADD.B without Carry bit set
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        mov     #0x0000, r2
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        mov     #0x0159, r4
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        mov     #0x1078, r5
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        dadd.b       r4, r5        ;# Add decimally r5+r4 (59+78=37)
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        # Test DADD.B with Carry bit set
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        mov     #0x0001, r2
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        mov     #0x3149, r4
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        mov     #0x5621, r6
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        dadd.b       r4, r6        ;# Add decimally r6+r4 (49+21+C=71)
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        mov     #0x2000, r15
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        /* ------------------ TEST FLAGS IN WORD MODE ---------------------- */
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        mov     #0x0000, r2        ;# V=0, N=0, Z=0, C=0
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        mov     #0x7995, r4        ;#
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        mov     #0x0004, r5        ;#
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        dadd         r4, r5        ;# Add decimally r5+r4 (7995+0004=7999)
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        mov     #0x3000, r15
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        mov     #0x0000, r2        ;# V=0, N=0, Z=0, C=1
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        mov     #0x7995, r4        ;#
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        mov     #0x2007, r5        ;#
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        dadd         r4, r5        ;# Add decimally r5+r4 (7995+2007=2)
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        mov     #0x3001, r15
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        mov     #0x0000, r2        ;# V=0, N=0, Z=1, C=1
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        mov     #0x7995, r4        ;#
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        mov     #0x2005, r5        ;#
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        dadd         r4, r5        ;# Add decimally r5+r4 (7995+2005=0)
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        mov     #0x3002, r15
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        mov     #0x0000, r2        ;# V=1, N=1, Z=0, C=0
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        mov     #0x7995, r4        ;#
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        mov     #0x0007, r5        ;#
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        dadd         r4, r5        ;# Add decimally r5+r4 (7995+7=8002)
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        mov     #0x3003, r15
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        /* ------------------ TEST FLAGS IN BYTE MODE --------------------- */
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        mov     #0x0000, r2        ;# V=0, N=0, Z=0, C=0
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        mov     #0x4675, r4        ;#
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        mov     #0x3104, r5        ;#
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        dadd.b       r4, r5        ;# Add decimally r5+r4 (75+4=79)
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        mov     #0x4000, r15
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        mov     #0x0000, r2        ;# V=0, N=0, Z=0, C=1
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        mov     #0x4775, r4        ;#
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        mov     #0x3027, r5        ;#
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        dadd.b       r4, r5        ;# Add decimally r5+r4 (75+27=2)
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        mov     #0x4001, r15
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        mov     #0x0000, r2        ;# V=0, N=0, Z=1, C=1
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        mov     #0x4775, r4        ;#
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        mov     #0x3125, r5        ;#
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        dadd.b       r4, r5        ;# Add decimally r5+r4 (75+25=0)
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        mov     #0x4002, r15
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        mov     #0x0000, r2        ;# V=1, N=1, Z=0, C=0
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        mov     #0x4675, r4        ;#
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        mov     #0x3207, r5        ;#
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        dadd.b       r4, r5        ;# Add decimally r5+r4 (75+7=82)
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        mov     #0x4003, r15
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        /* ----------------------         END OF TEST        --------------- */
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        mov      #0x5000, r15
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end_of_test:
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        nop
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        br #0xffff
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        /* ----------------------         INTERRUPT VECTORS  --------------- */
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.section .vectors, "a"
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.word end_of_test  ; Interrupt  0 (lowest priority)
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.word end_of_test  ; Interrupt  1
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.word end_of_test  ; Interrupt  2
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.word end_of_test  ; Interrupt  3
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.word end_of_test  ; Interrupt  4
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.word end_of_test  ; Interrupt  5
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.word end_of_test  ; Interrupt  6
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.word end_of_test  ; Interrupt  7
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.word end_of_test  ; Interrupt  8
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.word end_of_test  ; Interrupt  9
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.word end_of_test  ; Interrupt 10                      Watchdog timer
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.word end_of_test  ; Interrupt 11
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.word end_of_test  ; Interrupt 12
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.word end_of_test  ; Interrupt 13
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.word end_of_test  ; Interrupt 14                      NMI
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.word main         ; Interrupt 15 (highest priority)   RESET

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