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[/] [openmsp430/] [trunk/] [core/] [sim/] [rtl_sim/] [src/] [mpy_basic.s43] - Rev 137
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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 */
/* */
/*===========================================================================*/
/* HARDWARE MULTIPLIER */
/*---------------------------------------------------------------------------*/
/* Test the hardware multiplier: */
/* - MPY mode. */
/* - MPYS mode. */
/* - MAC mode. */
/* - MACS mode. */
/* */
/* Author(s): */
/* - Olivier Girard, olgirard@gmail.com */
/* */
/*---------------------------------------------------------------------------*/
/* $Rev: 18 $ */
/* $LastChangedBy: olivier.girard $ */
/* $LastChangedDate: 2009-08-04 23:44:12 +0200 (Tue, 04 Aug 2009) $ */
/*===========================================================================*/
.global main
.set MPY, 0x0130
.set MPYS, 0x0132
.set MAC, 0x0134
.set MACS, 0x0136
.set OP2, 0x0138
.set RESLO, 0x013A
.set RESHI, 0x013C
.set SUMEXT, 0x013E
main:
/* -------------- UNSIGNED MULTIPLICATION --------------- */
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x3104, &MPY ; 0x3104 * 0x0285 = 0x007B_7F14, ext=0x0000
mov #0x0285, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0001, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x0000, &MPY ; 0x0000 * 0x0000 = 0x0000_0000, ext=0x0000
mov #0x0000, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0002, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x0001, &MPY ; 0x0001 * 0x0001 = 0x0000_0001, ext=0x0000
mov #0x0001, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0003, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x7FFF, &MPY ; 0x7FFF * 0x7FFF = 0x3FFF_0001, ext=0x0000
mov #0x7FFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0004, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0xFFFF, &MPY ; 0xFFFF * 0xFFFF = 0xFFFE_0001, ext=0x0000
mov #0xFFFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0005, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x7FFF, &MPY ; 0x7FFF * 0xFFFF = 0x7FFE_8001, ext=0x0000
mov #0xFFFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0006, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x8000, &MPY ; 0x8000 * 0x7FFF = 0x3FFF_8000, ext=0x0000
mov #0x7FFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0007, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x8000, &MPY ; 0x8000 * 0xFFFF = 0x7FFF_8000, ext=0x0000
mov #0xFFFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0008, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x8000, &MPY ; 0x8000 * 0x8000 = 0x4000_0000, ext=0x0000
mov #0x8000, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0009, R15
nop
nop
nop
nop
/* -------------- SIGNED MULTIPLICATION --------------- */
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x3104, &MPYS ; 0x3104 * 0x8285 = 0xE7F9_7F14, ext=0xFFFF
mov #0x8285, &OP2 ; 12548 * -32123
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0001, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x0000, &MPYS ; 0x0000 * 0x0000 = 0x0000_0000, ext=0x0000
mov #0x0000, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0002, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x0001, &MPYS ; 0x0001 * 0x0001 = 0x0000_0001, ext=0x0000
mov #0x0001, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0003, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x7FFF, &MPYS ; 0x7FFF * 0x7FFF = 0x3FFF_0001, ext=0x0000
mov #0x7FFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0004, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0xFFFF, &MPYS ; 0xFFFF * 0xFFFF = 0x0000_0001, ext=0x0000
mov #0xFFFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0005, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x7FFF, &MPYS ; 0x7FFF * 0xFFFF = 0xFFFF_8001, ext=0xFFFF
mov #0xFFFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0006, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x8000, &MPYS ; 0x8000 * 0x7FFF = 0xC000_8000, ext=0xFFFF
mov #0x7FFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0007, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x8000, &MPYS ; 0x8000 * 0xFFFF = 0x0000_8000, ext=0x0000
mov #0xFFFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0008, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x8000, &MPYS ; 0x8000 * 0x8000 = 0x4000_0000, ext=0x0000
mov #0x8000, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0009, R15
nop
nop
nop
nop
/* -------------- UNSIGNED MULTIPLY-ACCUMULATE --------------- */
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x3104, &MAC ; 0xC000_0000 + (0x3104 * 0x0285) = 0x007B_7F14, ext=0x0000
mov #0x0285, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0001, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x0000, &MAC ; 0xC000_0000 + (0x0000 * 0x0000) = 0xC000_0000, ext=0x0000
mov #0x0000, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0002, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x0001, &MAC ; 0xC000_0000 + (0x0001 * 0x0001) = 0xC000_0001, ext=0x0000
mov #0x0001, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0003, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x7FFF, &MAC ; 0xC000_0000 + (0x7FFF * 0x7FFF) = 0xFFFF_0001, ext=0x0000
mov #0x7FFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0004, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0xFFFF, &MAC ; 0xC000_0000 + (0xFFFF * 0xFFFF) = 0xBFFE_0001, ext=0x0001
mov #0xFFFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0005, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x7FFF, &MAC ; 0xC000_0000 + (0x7FFF * 0xFFFF) = 0x3FFE_8001, ext=0x0001
mov #0xFFFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0006, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x8000, &MAC ; 0xC000_0000 + (0x8000 * 0x7FFF) = 0xFFFF_8000, ext=0x0000
mov #0x7FFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0007, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x8000, &MAC ; 0xC000_0000 + (0x8000 * 0xFFFF) = 0x3FFF_8000, ext=0x0001
mov #0xFFFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0008, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x8000, &MAC ; 0xC000_0000 + (0x8000 * 0x8000) = 0x0000_0000, ext=0x0001
mov #0x8000, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0009, R15
nop
nop
nop
nop
/* -------------- SIGNED MULTIPLY-ACCUMULATE --------------- */
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x3104, &MACS ; 0xC000_0000 + (0x3104 * 0x8285) = 0xA7F9_7F14, ext=0xFFFF
mov #0x8285, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0001, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x0000, &MACS ; 0xC000_0000 + (0x0000 * 0x0000) = 0xC000_0000, ext=0xFFFF
mov #0x0000, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0002, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x0001, &MACS ; 0xC000_0000 + (0x0001 * 0x0001) = 0xC000_0001, ext=0xFFFF
mov #0x0001, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0003, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x7FFF, &MACS ; 0xC000_0000 + (0x7FFF * 0x7FFF) = 0xFFFF_0001, ext=0xFFFF
mov #0x7FFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0004, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0xFFFF, &MACS ; 0xC000_0000 + (0xFFFF * 0xFFFF) = 0xC000_0001, ext=0xFFFF
mov #0xFFFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0005, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x7FFF, &MACS ; 0xC000_0000 + (0x7FFF * 0xFFFF = 0xBFFF_8001, ext=0xFFFF
mov #0xFFFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0006, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x8000, &MACS ; 0xC000_0000 + (0x8000 * 0x7FFF) = 0x8000_8000, ext=0xFFFF
mov #0x7FFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0007, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x8000, &MACS ; 0xC000_0000 + (0x8000 * 0xFFFF) = 0xC000_8000, ext=0xFFFF
mov #0xFFFF, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0008, R15
nop
nop
nop
nop
mov #0x0000, &RESLO
mov #0xC000, &RESHI
mov #0x8000, &MACS ; 0xC000_0000 + (0x8000 * 0x8000) = 0x0000_0000, ext=0x0000
mov #0x8000, &OP2
mov &RESLO, R10
mov &RESHI, R11
mov &SUMEXT, R12
nop
mov #0x0009, R15
nop
nop
nop
nop
/* -------------- RD/WR ACCESS OPERANDS --------------- */
mov #0x1234, &MPY
mov #0x5678, &OP2
nop
mov &MPY, r10
mov &MPYS, r11
mov &MAC, r12
mov &MACS, r13
mov &OP2, r14
nop
mov #0x0001, r15
nop
nop
nop
nop
mov #0x4321, &MPYS
mov #0x8765, &OP2
nop
mov &MPY, r10
mov &MPYS, r11
mov &MAC, r12
mov &MACS, r13
mov &OP2, r14
nop
mov #0x0002, r15
nop
nop
nop
nop
mov #0x9ABC, &MAC
mov #0xDEF0, &OP2
nop
mov &MPY, r10
mov &MPYS, r11
mov &MAC, r12
mov &MACS, r13
mov &OP2, r14
nop
mov #0x0003, r15
nop
nop
nop
nop
mov #0xCBA9, &MACS
mov #0x0FED, &OP2
nop
mov &MPY, r10
mov &MPYS, r11
mov &MAC, r12
mov &MACS, r13
mov &OP2, r14
nop
mov #0x0004, r15
nop
nop
nop
nop
/* ---------------------- END OF TEST --------------- */
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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