OpenCores
URL https://opencores.org/ocsvn/openmsp430/openmsp430/trunk

Subversion Repositories openmsp430

[/] [openmsp430/] [trunk/] [core/] [sim/] [rtl_sim/] [src/] [two-op_xor.s43] - Blame information for rev 2

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 2 olivier.gi 
/*===========================================================================*/
2 
/* Copyright (C) 2001 Authors                                                */
3 
/*                                                                           */
4 
/* This source file may be used and distributed without restriction provided */
5 
/* that this copyright statement is not removed from the file and that any   */
6 
/* derivative work contains the original copyright notice and the associated */
7 
/* disclaimer.                                                               */
8 
/*                                                                           */
9 
/* This source file is free software; you can redistribute it and/or modify  */
10 
/* it under the terms of the GNU Lesser General Public License as published  */
11 
/* by the Free Software Foundation; either version 2.1 of the License, or    */
12 
/* (at your option) any later version.                                       */
13 
/*                                                                           */
14 
/* This source is distributed in the hope that it will be useful, but WITHOUT*/
15 
/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or     */
16 
/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public       */
17 
/* License for more details.                                                 */
18 
/*                                                                           */
19 
/* You should have received a copy of the GNU Lesser General Public License  */
20 
/* along with this source; if not, write to the Free Software Foundation,    */
21 
/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA        */
22 
/*                                                                           */
23 
/*===========================================================================*/
24 
/*                 TWO-OPERAND ARITHMETIC: XOR[.B] INSTRUCTION               */
25 
/*---------------------------------------------------------------------------*/
26 
/* Test the XOR[.B] instruction.                                             */
27 
/*===========================================================================*/
28 
 
29 
 
30 
.global main
31 
 
32 
main:
33 
        /* -------------- TEST INSTRUCTION IN WORD MODE ------------------- */
34 
 
35 
        mov     #0x0000, r2
36 
        mov     #0x3333, r4
37 
        mov     #0x8888, r5
38 
        xor          r4, r5        ;# XOR r5^r4 (0x8888^0x3333=0xbbbb)
39 
 
40 
        mov     #0x0001, r2
41 
        mov     #0x5555, r4
42 
        mov     #0x9999, r6
43 
        xor          r4, r6        ;# XOR r6^r4 (0x9999^0x5555=0xcccc)
44 
 
45 
        mov     #0x1000, r15
46 
 
47 
 
48 
        /* -------------- TEST INSTRUCTION IN BYTE MODE ------------------- */
49 
 
50 
        mov     #0x0000, r2
51 
        mov     #0x3333, r4
52 
        mov     #0x8888, r5
53 
        xor.b        r4, r5        ;# XOR r5^r4 (0x0088^0x0033=0x00bb)
54 
 
55 
        mov     #0x0001, r2
56 
        mov     #0x5555, r4
57 
        mov     #0x9999, r6
58 
        xor.b        r4, r6        ;# XOR r6^r4 (0x0099^0x0055=0x00cc)
59 
 
60 
        mov     #0x2000, r15
61 
 
62 
 
63 
        /* ------------------ TEST FLAGS IN WORD MODE ---------------------- */
64 
 
65 
        mov     #0x0000, r2        ;# V=0, N=0, Z=0, C=1
66 
        mov     #0x0aaa, r4        ;#
67 
        mov     #0x0666, r5        ;#
68 
        xor          r4, r5        ;# XOR r5^r4 (0x0666^0x0aaa=0x0ccc)
69 
        mov     #0x3000, r15
70 
 
71 
        mov     #0x0000, r2        ;# V=0, N=0, Z=1, C=0
72 
        mov     #0x0444, r4        ;#
73 
        mov     #0x0444, r5        ;#
74 
        xor          r4, r5        ;# XOR r5^r4 (0x0444^0x0444=0x0000)
75 
        mov     #0x3001, r15
76 
 
77 
        mov     #0x0000, r2        ;# V=0, N=1, Z=0, C=1
78 
        mov     #0x8aaa, r4        ;#
79 
        mov     #0x0666, r5        ;#
80 
        xor          r4, r5        ;# XOR r5^r4 (0x8aaa^0x0666=0x8ccc)
81 
        mov     #0x3002, r15
82 
 
83 
        mov     #0x0000, r2        ;# V=1, N=0, Z=0, C=1
84 
        mov     #0x8aaa, r4        ;#
85 
        mov     #0x8666, r5        ;#
86 
        xor          r4, r5        ;# XOR r5^r4 (0x8aaa^0x8666=0x0ccc)
87 
        mov     #0x3003, r15
88 
 
89 
        mov     #0x0000, r2        ;# V=1, N=0, Z=1, C=0
90 
        mov     #0x8444, r4        ;#
91 
        mov     #0x8444, r5        ;#
92 
        xor          r4, r5        ;# XOR r5^r4 (0x8444^0x8444=0x0000)
93 
        mov     #0x3004, r15
94 
 
95 
 
96 
        /* ------------------ TEST FLAGS IN BYTE MODE --------------------- */
97 
 
98 
        mov     #0x0000, r2        ;# V=0, N=0, Z=0, C=1
99 
        mov     #0x660a, r4        ;#
100 
        mov     #0xaa06, r5        ;#
101 
        xor.b        r4, r5        ;# XOR r5^r4 (0x0006^0x000a=0x000c)
102 
        mov     #0x4000, r15
103 
 
104 
        mov     #0x0000, r2        ;# V=0, N=0, Z=1, C=0
105 
        mov     #0x6604, r4        ;#
106 
        mov     #0xaa04, r5        ;#
107 
        xor.b        r4, r5        ;# XOR r5^r4 (0x0004^0x0004=0x0000)
108 
        mov     #0x4001, r15
109 
 
110 
        mov     #0x0000, r2        ;# V=0, N=1, Z=0, C=1
111 
        mov     #0x558a, r4        ;#
112 
        mov     #0x0006, r5        ;#
113 
        xor.b        r4, r5        ;# XOR r5^r4 (0x008a^0x0006=0x008c)
114 
        mov     #0x4002, r15
115 
 
116 
        mov     #0x0000, r2        ;# V=1, N=0, Z=0, C=1
117 
        mov     #0x558a, r4        ;#
118 
        mov     #0x5586, r5        ;#
119 
        xor.b        r4, r5        ;# XOR r5^r4 (0x008a^0x0086=0x000c)
120 
        mov     #0x4003, r15
121 
 
122 
        mov     #0x0000, r2        ;# V=1, N=0, Z=1, C=0
123 
        mov     #0x6684, r4        ;#
124 
        mov     #0xaa84, r5        ;#
125 
        xor.b        r4, r5        ;# XOR r5^r4 (0x0084^0x0084=0x0000)
126 
        mov     #0x4004, r15
127 
 
128 
 
129 
        /* ----------------------         END OF TEST        --------------- */
130 
        mov      #0x5000, r15
131 
end_of_test:
132 
        nop
133 
        br #0xffff
134 
 
135 
 
136 
        /* ----------------------         INTERRUPT VECTORS  --------------- */
137 
 
138 
.section .vectors, "a"
139 
.word end_of_test  ; Interrupt  0 (lowest priority)
140 
.word end_of_test  ; Interrupt  1
141 
.word end_of_test  ; Interrupt  2
142 
.word end_of_test  ; Interrupt  3
143 
.word end_of_test  ; Interrupt  4
144 
.word end_of_test  ; Interrupt  5
145 
.word end_of_test  ; Interrupt  6
146 
.word end_of_test  ; Interrupt  7
147 
.word end_of_test  ; Interrupt  8
148 
.word end_of_test  ; Interrupt  9
149 
.word end_of_test  ; Interrupt 10                      Watchdog timer
150 
.word end_of_test  ; Interrupt 11
151 
.word end_of_test  ; Interrupt 12
152 
.word end_of_test  ; Interrupt 13
153 
.word end_of_test  ; Interrupt 14                      NMI
154 
.word main         ; Interrupt 15 (highest priority)   RESET

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.