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[/] [openmsp430/] [trunk/] [core/] [sim/] [rtl_sim/] [src/] [two-op_dadd.s43] - Rev 224
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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 */
/* */
/*===========================================================================*/
/* TWO-OPERAND ARITHMETIC: DADD[.B] INSTRUCTION */
/*---------------------------------------------------------------------------*/
/* Test the DADD[.B] instruction. */
/* */
/* Author(s): */
/* - Olivier Girard, olgirard@gmail.com */
/* */
/*---------------------------------------------------------------------------*/
/* $Rev: 19 $ */
/* $LastChangedBy: olivier.girard $ */
/* $LastChangedDate: 2009-08-04 23:47:15 +0200 (Tue, 04 Aug 2009) $ */
/*===========================================================================*/
.global main
main:
/* -------------- TEST INSTRUCTION IN WORD MODE ------------------- */
# Test DADD without Carry bit set
mov #0x0000, r2
mov #0x0159, r4
mov #0x1078, r5
dadd r4, r5 ;# Add decimally r5+r4 (159+1078=1237)
# Test DADD with Carry bit set
mov #0x0001, r2
mov #0x4999, r4
mov #0x2111, r6
dadd r4, r6 ;# Add decimally r6+r4 (4999+2111+C=7111)
mov #0x1000, r15
/* -------------- TEST INSTRUCTION IN BYTE MODE ------------------- */
# Test DADD.B without Carry bit set
mov #0x0000, r2
mov #0x0159, r4
mov #0x1078, r5
dadd.b r4, r5 ;# Add decimally r5+r4 (59+78=37)
# Test DADD.B with Carry bit set
mov #0x0001, r2
mov #0x3149, r4
mov #0x5621, r6
dadd.b r4, r6 ;# Add decimally r6+r4 (49+21+C=71)
mov #0x2000, r15
/* ------------------ TEST FLAGS IN WORD MODE ---------------------- */
mov #0x0000, r2 ;# V=0, N=0, Z=0, C=0
mov #0x7995, r4 ;#
mov #0x0004, r5 ;#
dadd r4, r5 ;# Add decimally r5+r4 (7995+0004=7999)
mov #0x3000, r15
mov #0x0000, r2 ;# V=0, N=0, Z=0, C=1
mov #0x7995, r4 ;#
mov #0x2007, r5 ;#
dadd r4, r5 ;# Add decimally r5+r4 (7995+2007=2)
mov #0x3001, r15
mov #0x0000, r2 ;# V=0, N=0, Z=1, C=1
mov #0x7995, r4 ;#
mov #0x2005, r5 ;#
dadd r4, r5 ;# Add decimally r5+r4 (7995+2005=0)
mov #0x3002, r15
mov #0x0000, r2 ;# V=1, N=1, Z=0, C=0
mov #0x7995, r4 ;#
mov #0x0007, r5 ;#
dadd r4, r5 ;# Add decimally r5+r4 (7995+7=8002)
mov #0x3003, r15
/* ------------------ TEST FLAGS IN BYTE MODE --------------------- */
mov #0x0000, r2 ;# V=0, N=0, Z=0, C=0
mov #0x4675, r4 ;#
mov #0x3104, r5 ;#
dadd.b r4, r5 ;# Add decimally r5+r4 (75+4=79)
mov #0x4000, r15
mov #0x0000, r2 ;# V=0, N=0, Z=0, C=1
mov #0x4775, r4 ;#
mov #0x3027, r5 ;#
dadd.b r4, r5 ;# Add decimally r5+r4 (75+27=2)
mov #0x4001, r15
mov #0x0000, r2 ;# V=0, N=0, Z=1, C=1
mov #0x4775, r4 ;#
mov #0x3125, r5 ;#
dadd.b r4, r5 ;# Add decimally r5+r4 (75+25=0)
mov #0x4002, r15
mov #0x0000, r2 ;# V=1, N=1, Z=0, C=0
mov #0x4675, r4 ;#
mov #0x3207, r5 ;#
dadd.b r4, r5 ;# Add decimally r5+r4 (75+7=82)
mov #0x4003, r15
/* ---------------------- END OF TEST --------------- */
mov #0x5000, r15
end_of_test:
nop
br #0xffff
/* ---------------------- INTERRUPT VECTORS --------------- */
.section .vectors, "a"
.word end_of_test ; Interrupt 0 (lowest priority) <unused>
.word end_of_test ; Interrupt 1 <unused>
.word end_of_test ; Interrupt 2 <unused>
.word end_of_test ; Interrupt 3 <unused>
.word end_of_test ; Interrupt 4 <unused>
.word end_of_test ; Interrupt 5 <unused>
.word end_of_test ; Interrupt 6 <unused>
.word end_of_test ; Interrupt 7 <unused>
.word end_of_test ; Interrupt 8 <unused>
.word end_of_test ; Interrupt 9 <unused>
.word end_of_test ; Interrupt 10 Watchdog timer
.word end_of_test ; Interrupt 11 <unused>
.word end_of_test ; Interrupt 12 <unused>
.word end_of_test ; Interrupt 13 <unused>
.word end_of_test ; Interrupt 14 NMI
.word main ; Interrupt 15 (highest priority) RESET
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