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

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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: ADD INSTRUCTION                   */
25 
/*---------------------------------------------------------------------------*/
26 
/* Test the ADD instruction with all addressing modes                        */
27 
/*===========================================================================*/
28 
 
29 
initial
30 
   begin
31 
      $display(" ===============================================");
32 
      $display("|                 START SIMULATION              |");
33 
      $display(" ===============================================");
34 
      repeat(5) @(posedge mclk);
35 
      stimulus_done = 0;
36 
 
37 
      // Check reset values
38 
      //--------------------------------------------------------
39 
      if (r2 !==16'h0000) tb_error("R2  reset value");
40 
      if (r3 !==16'h0000) tb_error("R3  reset value");
41 
      if (r4 !==16'h0000) tb_error("R4  reset value");
42 
      if (r5 !==16'h0000) tb_error("R5  reset value");
43 
      if (r6 !==16'h0000) tb_error("R6  reset value");
44 
      if (r7 !==16'h0000) tb_error("R7  reset value");
45 
      if (r8 !==16'h0000) tb_error("R8  reset value");
46 
      if (r9 !==16'h0000) tb_error("R9  reset value");
47 
      if (r10!==16'h0000) tb_error("R10 reset value");
48 
      if (r11!==16'h0000) tb_error("R11 reset value");
49 
      if (r12!==16'h0000) tb_error("R12 reset value");
50 
      if (r13!==16'h0000) tb_error("R13 reset value");
51 
      if (r14!==16'h0000) tb_error("R14 reset value");
52 
      if (r15!==16'h0000) tb_error("R15 reset value");
53 
 
54 
 
55 
      // Make sure initialization worked fine
56 
      //--------------------------------------------------------
57 
      @(r15==16'h1000);
58 
 
59 
      if (r2 !==16'h0022) tb_error("R2  initialization");
60 
      if (r3 !==16'h3333) tb_error("R3  initialization");
61 
      if (r4 !==16'h4444) tb_error("R4  initialization");
62 
      if (r5 !==16'h5555) tb_error("R5  initialization");
63 
      if (r6 !==16'h6666) tb_error("R6  initialization");
64 
      if (r7 !==16'h7777) tb_error("R7  initialization");
65 
      if (r8 !==16'h8888) tb_error("R8  initialization");
66 
      if (r9 !==16'h9999) tb_error("R9  initialization");
67 
      if (r10!==16'haaaa) tb_error("R10 initialization");
68 
      if (r11!==16'hbbbb) tb_error("R11 initialization");
69 
      if (r12!==16'hcccc) tb_error("R12 initialization");
70 
      if (r13!==16'hdddd) tb_error("R13 initialization");
71 
      if (r14!==16'heeee) tb_error("R14 initialization");
72 
 
73 
 
74 
      // ADD: Check when source is Rn
75 
      //--------------------------------------------------------
76 
      @(r15==16'h2000);
77 
 
78 
      if (r5     !==16'h9999) tb_error("====== ADD Rn Rm    =====");
79 
      if (r4     ===16'h1234) tb_error("====== ADD Rn PC    =====");
80 
      if (mem210 !==16'h5555) tb_error("====== ADD Rn x(Rm) =====");
81 
      if (mem212 !==16'h9abc) tb_error("====== ADD Rn EDE   =====");
82 
      if (mem214 !==16'h6789) tb_error("====== ADD Rn &EDE  =====");
83 
 
84 
 
85 
      // ADD: Check when source is @Rn
86 
      //--------------------------------------------------------
87 
      @(r15==16'h3000);
88 
 
89 
      if (r5     !==16'h7777) tb_error("====== ADD @Rn Rm    =====");
90 
      if (r4     ===16'h0000) tb_error("====== ADD @Rn PC    =====");
91 
      if (mem210 !==16'h6666) tb_error("====== ADD @Rn x(Rm) =====");
92 
      if (mem212 !==16'hed2e) tb_error("====== ADD @Rn EDE   =====");
93 
      if (mem214 !==16'h4653) tb_error("====== ADD @Rn &EDE  =====");
94 
 
95 
 
96 
      // ADD: Check when source is @Rn+
97 
      //--------------------------------------------------------
98 
      @(r15==16'h4000);
99 
 
100 
      if (r4     !==16'h0202) tb_error("====== ADD @Rn+ Rm    =====");
101 
      if (r5     !==16'haaaa) tb_error("====== ADD @Rn+ Rm    =====");
102 
 
103 
      if (r6     !==16'h0206) tb_error("====== ADD @Rn+ PC    =====");
104 
 
105 
      if (r7     !==16'h0210) tb_error("====== ADD @Rn+ x(Rm) =====");
106 
      if (mem210 !==16'h6666) tb_error("====== ADD @Rn+ x(Rm) =====");
107 
 
108 
      if (r8     !==16'h0208) tb_error("====== ADD @Rn+ EDE =====");
109 
      if (mem212 !==16'hed2e) tb_error("====== ADD @Rn+ EDE   =====");
110 
 
111 
      if (r9     !==16'h0204) tb_error("====== ADD @Rn+ &EDE =====");
112 
      if (mem214 !==16'h4653) tb_error("====== ADD @Rn+ &EDE  =====");
113 
 
114 
      // ADD: Check when source is #N
115 
      //--------------------------------------------------------
116 
      @(r15==16'h5000);
117 
 
118 
      if (r4     !==16'h4444) tb_error("====== ADD #N  Rm    =====");
119 
      if (r5     !==16'h0000) tb_error("====== ADD #N  PC    =====");
120 
      if (mem230 !==16'hae8c) tb_error("====== ADD #N  x(Rm) =====");
121 
      if (mem210 !==16'h5d50) tb_error("====== ADD #N  EDE   =====");
122 
      if (mem206 !==16'h6ea1) tb_error("====== ADD #N  &EDE  =====");
123 
 
124 
 
125 
      // ADD: Check when source is x(Rn)
126 
      //--------------------------------------------------------
127 
      @(r15==16'h6000);
128 
 
129 
      if (r5     !==16'h957b) tb_error("====== ADD x(Rn) Rm    =====");
130 
      if (r6     ===16'h0000) tb_error("====== ADD x(Rn) PC    =====");
131 
      if (mem214 !==16'h5776) tb_error("====== ADD x(Rn) x(Rm) =====");
132 
      if (mem220 !==16'h937b) tb_error("====== ADD x(Rn) EDE   =====");
133 
      if (mem208 !==16'hace4) tb_error("====== ADD x(Rn) &EDE  =====");
134 
 
135 
 
136 
      // ADD: Check when source is EDE
137 
      //--------------------------------------------------------
138 
      @(r15==16'h7000);
139 
 
140 
      if (r4     !==16'h06f7) tb_error("====== ADD EDE Rm    =====");
141 
      if (r6     ===16'h0000) tb_error("====== ADD EDE PC    =====");
142 
      if (mem214 !==16'h0946) tb_error("====== ADD EDE x(Rm) =====");
143 
      if (mem216 !==16'hb933) tb_error("====== ADD EDE EDE   =====");
144 
      if (mem212 !==16'h2ab2) tb_error("====== ADD EDE &EDE  =====");
145 
 
146 
 
147 
      // ADD: Check when source is &EDE
148 
      //--------------------------------------------------------
149 
      @(r15==16'h8000);
150 
 
151 
      if (r4     !==16'h66f5) tb_error("====== ADD &EDE Rm    =====");
152 
      if (r6     ===16'h0000) tb_error("====== ADD &EDE PC    =====");
153 
      if (mem214 !==16'h82d1) tb_error("====== ADD &EDE x(Rm) =====");
154 
      if (mem218 !==16'hca4e) tb_error("====== ADD &EDE EDE   =====");
155 
      if (mem202 !==16'h1338) tb_error("====== ADD &EDE &EDE  =====");
156 
 
157 
 
158 
      // ADD: Check when source is CONST
159 
      //--------------------------------------------------------
160 
      @(r15==16'h9000);
161 
 
162 
      if (r4     !==16'h4444) tb_error("====== ADD #+0 Rm    =====");
163 
      if (r5     !==16'h5556) tb_error("====== ADD #+1 Rm    =====");
164 
      if (r6     !==16'h6668) tb_error("====== ADD #+2 Rm    =====");
165 
      if (r7     !==16'h777b) tb_error("====== ADD #+4 Rm    =====");
166 
      if (r8     !==16'h8890) tb_error("====== ADD #+8 Rm    =====");
167 
      if (r9     !==16'h9998) tb_error("====== ADD #-1 Rm    =====");
168 
 
169 
      if (r11    !==16'h1234) tb_error("====== ADD #+4 PC    =====");
170 
 
171 
      if (mem210 !==16'h4444) tb_error("====== ADD #+0 x(Rm) =====");
172 
      if (mem212 !==16'h5556) tb_error("====== ADD #+1 x(Rm) =====");
173 
      if (mem214 !==16'h6668) tb_error("====== ADD #+2 x(Rm) =====");
174 
      if (mem216 !==16'h777b) tb_error("====== ADD #+4 x(Rm) =====");
175 
      if (mem218 !==16'h8890) tb_error("====== ADD #+8 x(Rm) =====");
176 
      if (mem21A !==16'h9998) tb_error("====== ADD #-1 x(Rm) =====");
177 
 
178 
      if (mem220 !==16'h4444) tb_error("====== ADD #+0 EDE   =====");
179 
      if (mem222 !==16'h5556) tb_error("====== ADD #+1 EDE   =====");
180 
      if (mem224 !==16'h6668) tb_error("====== ADD #+2 EDE   =====");
181 
      if (mem226 !==16'h777b) tb_error("====== ADD #+4 EDE   =====");
182 
      if (mem228 !==16'h8890) tb_error("====== ADD #+8 EDE   =====");
183 
      if (mem22A !==16'h9998) tb_error("====== ADD #-1 EDE   =====");
184 
 
185 
      if (mem230 !==16'h4444) tb_error("====== ADD #+0 &EDE  =====");
186 
      if (mem232 !==16'h5556) tb_error("====== ADD #+1 &EDE  =====");
187 
      if (mem234 !==16'h6668) tb_error("====== ADD #+2 &EDE  =====");
188 
      if (mem236 !==16'h777b) tb_error("====== ADD #+4 &EDE  =====");
189 
      if (mem238 !==16'h8890) tb_error("====== ADD #+8 &EDE  =====");
190 
      if (mem23A !==16'h9998) tb_error("====== ADD #-1 &EDE  =====");
191 
 
192 
 
193 
      // ADD: Check Flags
194 
      //--------------------------------------------------------
195 
 
196 
      @(r15==16'hA000);
197 
      if (r2    !==16'h0000) tb_error("====== ADD FLAG: Flag   check error: V=0, N=0, Z=0, C=0 =====");
198 
      if (r5    !==16'h0999) tb_error("====== ADD FLAG: Result check error: V=0, N=0, Z=0, C=0 =====");
199 
 
200 
      @(r15==16'hA001);
201 
      if (r2    !==16'h0001) tb_error("====== ADD FLAG: Flag   check error: V=0, N=0, Z=0, C=1 =====");
202 
      if (r5    !==16'h0001) tb_error("====== ADD FLAG: Result check error: V=0, N=0, Z=0, C=1 =====");
203 
 
204 
      @(r15==16'hA002);
205 
      if (r2    !==16'h0002) tb_error("====== ADD FLAG: Flag   check error: V=0, N=0, Z=1, C=0 =====");
206 
      if (r5    !==16'h0000) tb_error("====== ADD FLAG: Result check error: V=0, N=0, Z=1, C=0 =====");
207 
 
208 
      @(r15==16'hA003);
209 
      if (r2    !==16'h0004) tb_error("====== ADD FLAG: Flag   check error: V=0, N=1, Z=0, C=0 =====");
210 
      if (r5    !==16'hff10) tb_error("====== ADD FLAG: Result check error: V=0, N=1, Z=0, C=0 =====");
211 
 
212 
      @(r15==16'hA004);
213 
      if (r2    !==16'h0104) tb_error("====== ADD FLAG: Flag   check error: V=1, N=1, Z=0, C=0 =====");
214 
      if (r5    !==16'h800f) tb_error("====== ADD FLAG: Result check error: V=1, N=1, Z=0, C=0 =====");
215 
 
216 
      @(r15==16'hA005);
217 
      if (r2    !==16'h0101) tb_error("====== ADD FLAG: Flag   check error: V=1, N=0, Z=0, C=1 =====");
218 
      if (r5    !==16'h7f00) tb_error("====== ADD FLAG: Result check error: V=1, N=0, Z=0, C=1 =====");
219 
 
220 
//    ---------------- TEST WHEN SOURCE IS CONSTANT IN BYTE MODE ------ */
221 
//    #
222 
//    # NOTE: The following section would not fit in the smallest ROM
223 
//    #       configuration for the "two-op_add-b.v" pattern.
224 
//    #       It is therefore executed here.
225 
//    #
226 
      @(r15==16'hB000);
227 
 
228 
 
229 
      if (mem250 !==16'haa44) tb_error("====== ADD.B #+0 &EDE =====");
230 
      if (mem252 !==16'haa56) tb_error("====== ADD.B #+1 &EDE =====");
231 
      if (mem254 !==16'haa68) tb_error("====== ADD.B #+2 &EDE =====");
232 
      if (mem256 !==16'haa7b) tb_error("====== ADD.B #+4 &EDE =====");
233 
      if (mem258 !==16'haa3d) tb_error("====== ADD.B #+8 &EDE =====");
234 
      if (mem25A !==16'haa98) tb_error("====== ADD.B #-1 &EDE =====");
235 
      if (mem25C !==16'haa55) tb_error("====== ADD.B #+0 &EDE =====");
236 
      if (mem25E !==16'hbc55) tb_error("====== ADD.B #+1 &EDE =====");
237 
      if (mem260 !==16'hce55) tb_error("====== ADD.B #+2 &EDE =====");
238 
      if (mem262 !==16'he155) tb_error("====== ADD.B #+4 &EDE =====");
239 
      if (mem264 !==16'hf655) tb_error("====== ADD.B #+8 &EDE =====");
240 
      if (mem266 !==16'h3255) tb_error("====== ADD.B #-1 &EDE =====");
241 
 
242 
 
243 
      // ADD.B: Check Flags
244 
      //--------------------------------------------------------
245 
 
246 
      @(r15==16'hC000);
247 
      if (r2    !==16'h0000) tb_error("====== ADD.B FLAG: Flag   check error: V=0, N=0, Z=0, C=0 =====");
248 
      if (r5    !==16'h0009) tb_error("====== ADD.B FLAG: Result check error: V=0, N=0, Z=0, C=0 =====");
249 
 
250 
      @(r15==16'hC001);
251 
      if (r2    !==16'h0001) tb_error("====== ADD.B FLAG: Flag   check error: V=0, N=0, Z=0, C=1 =====");
252 
      if (r5    !==16'h0001) tb_error("====== ADD.B FLAG: Result check error: V=0, N=0, Z=0, C=1 =====");
253 
 
254 
      @(r15==16'hC002);
255 
      if (r2    !==16'h0002) tb_error("====== ADD.B FLAG: Flag   check error: V=0, N=0, Z=1, C=0 =====");
256 
      if (r5    !==16'h0000) tb_error("====== ADD.B FLAG: Result check error: V=0, N=0, Z=1, C=0 =====");
257 
 
258 
      @(r15==16'hC003);
259 
      if (r2    !==16'h0004) tb_error("====== ADD.B FLAG: Flag   check error: V=0, N=1, Z=0, C=0 =====");
260 
      if (r5    !==16'h00f3) tb_error("====== ADD.B FLAG: Result check error: V=0, N=1, Z=0, C=0 =====");
261 
 
262 
      @(r15==16'hC004);
263 
      if (r2    !==16'h0104) tb_error("====== ADD.B FLAG: Flag   check error: V=1, N=1, Z=0, C=0 =====");
264 
      if (r5    !==16'h008f) tb_error("====== ADD.B FLAG: Result check error: V=1, N=1, Z=0, C=0 =====");
265 
 
266 
      @(r15==16'hC005);
267 
      if (r2    !==16'h0101) tb_error("====== ADD.B FLAG: Flag   check error: V=1, N=0, Z=0, C=1 =====");
268 
      if (r5    !==16'h007f) tb_error("====== ADD.B FLAG: Result check error: V=1, N=0, Z=0, C=1 =====");
269 
 
270 
      stimulus_done = 1;
271 
   end
272 
 

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