2 FreeRTOS V7.4.0 - Copyright (C) 2013 Real Time Engineers Ltd.
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4 FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
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5 http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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7 ***************************************************************************
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9 * FreeRTOS tutorial books are available in pdf and paperback. *
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10 * Complete, revised, and edited pdf reference manuals are also *
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13 * Purchasing FreeRTOS documentation will not only help you, by *
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14 * ensuring you get running as quickly as possible and with an *
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15 * in-depth knowledge of how to use FreeRTOS, it will also help *
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16 * the FreeRTOS project to continue with its mission of providing *
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17 * professional grade, cross platform, de facto standard solutions *
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18 * for microcontrollers - completely free of charge! *
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20 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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22 * Thank you for using FreeRTOS, and thank you for your support! *
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24 ***************************************************************************
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27 This file is part of the FreeRTOS distribution.
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29 FreeRTOS is free software; you can redistribute it and/or modify it under
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30 the terms of the GNU General Public License (version 2) as published by the
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31 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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33 >>>>>>NOTE<<<<<< The modification to the GPL is included to allow you to
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34 distribute a combined work that includes FreeRTOS without being obliged to
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35 provide the source code for proprietary components outside of the FreeRTOS
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38 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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39 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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40 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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41 details. You should have received a copy of the GNU General Public License
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42 and the FreeRTOS license exception along with FreeRTOS; if not itcan be
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43 viewed here: http://www.freertos.org/a00114.html and also obtained by
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44 writing to Real Time Engineers Ltd., contact details for whom are available
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45 on the FreeRTOS WEB site.
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49 ***************************************************************************
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51 * Having a problem? Start by reading the FAQ "My application does *
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52 * not run, what could be wrong?" *
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54 * http://www.FreeRTOS.org/FAQHelp.html *
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56 ***************************************************************************
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59 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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60 license and Real Time Engineers Ltd. contact details.
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62 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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63 including FreeRTOS+Trace - an indispensable productivity tool, and our new
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64 fully thread aware and reentrant UDP/IP stack.
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66 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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67 Integrity Systems, who sell the code with commercial support,
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68 indemnification and middleware, under the OpenRTOS brand.
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70 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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71 engineered and independently SIL3 certified version for use in safety and
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72 mission critical applications that require provable dependability.
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75 /* Scheduler include files. */
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76 #include "FreeRTOS.h"
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79 /* Demo file headers. */
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80 #include "regtest.h"
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83 * Test tasks that sets registers to known values, then checks to ensure the
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84 * values remain as expected. Test 1 and test 2 use different values.
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86 static void prvRegisterCheck1( void *pvParameters );
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87 static void prvRegisterCheck2( void *pvParameters );
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89 /* Set to a non zero value should an error be found. */
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90 portBASE_TYPE xRegTestError = pdFALSE;
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92 /*-----------------------------------------------------------*/
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94 void vStartRegTestTasks( void )
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96 xTaskCreate( prvRegisterCheck1, ( signed char * ) "Reg1", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
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97 xTaskCreate( prvRegisterCheck2, ( signed char * ) "Reg2", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
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99 /*-----------------------------------------------------------*/
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101 portBASE_TYPE xAreRegTestTasksStillRunning( void )
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103 portBASE_TYPE xReturn;
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105 /* If a register was found to contain an unexpected value then the
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106 xRegTestError variable would have been set to a non zero value. */
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107 if( xRegTestError == pdFALSE )
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118 /*-----------------------------------------------------------*/
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120 static void prvRegisterCheck1( void *pvParameters )
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122 ( void ) pvParameters;
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126 asm( "LDI r31, 5" );
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127 asm( "MOV r0, r31" );
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128 asm( "LDI r31, 6" );
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129 asm( "MOV r1, r31" );
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130 asm( "LDI r31, 7" );
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131 asm( "MOV r2, r31" );
\r
132 asm( "LDI r31, 8" );
\r
133 asm( "MOV r3, r31" );
\r
134 asm( "LDI r31, 9" );
\r
135 asm( "MOV r4, r31" );
\r
136 asm( "LDI r31, 10" );
\r
137 asm( "MOV r5, r31" );
\r
138 asm( "LDI r31, 11" );
\r
139 asm( "MOV r6, r31" );
\r
140 asm( "LDI r31, 12" );
\r
141 asm( "MOV r7, r31" );
\r
142 asm( "LDI r31, 13" );
\r
143 asm( "MOV r8, r31" );
\r
144 asm( "LDI r31, 14" );
\r
145 asm( "MOV r9, r31" );
\r
146 asm( "LDI r31, 15" );
\r
147 asm( "MOV r10, r31" );
\r
148 asm( "LDI r31, 16" );
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149 asm( "MOV r11, r31" );
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150 asm( "LDI r31, 17" );
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151 asm( "MOV r12, r31" );
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152 asm( "LDI r31, 18" );
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153 asm( "MOV r13, r31" );
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154 asm( "LDI r31, 19" );
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155 asm( "MOV r14, r31" );
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156 asm( "LDI r31, 20" );
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157 asm( "MOV r15, r31" );
\r
158 asm( "LDI r16, 21" );
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159 asm( "LDI r17, 22" );
\r
160 asm( "LDI r18, 23" );
\r
161 asm( "LDI r19, 24" );
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162 asm( "LDI r20, 25" );
\r
163 asm( "LDI r21, 26" );
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164 asm( "LDI r22, 27" );
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165 asm( "LDI r23, 28" );
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166 asm( "LDI r24, 29" );
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167 asm( "LDI r25, 30" );
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168 asm( "LDI r26, 31" );
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169 asm( "LDI r27, 32" );
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170 asm( "LDI r30, 33" );
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172 asm( "LDI r31, 5" );
\r
173 asm( "CPSE r31, r0" );
\r
174 asm( "STS xRegTestError, r0" );
\r
175 asm( "LDI r31, 6" );
\r
176 asm( "CPSE r31, r1" );
\r
177 asm( "STS xRegTestError, r0" );
\r
178 asm( "LDI r31, 7" );
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179 asm( "CPSE r31, r2" );
\r
180 asm( "STS xRegTestError, r0" );
\r
181 asm( "LDI r31, 8" );
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182 asm( "CPSE r31, r3" );
\r
183 asm( "STS xRegTestError, r0" );
\r
184 asm( "LDI r31, 9" );
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185 asm( "CPSE r31, r4" );
\r
186 asm( "STS xRegTestError, r0" );
\r
187 asm( "LDI r31, 10" );
\r
188 asm( "CPSE r31, r5" );
\r
189 asm( "STS xRegTestError, r0" );
\r
190 asm( "LDI r31, 11" );
\r
191 asm( "CPSE r31, r6" );
\r
192 asm( "STS xRegTestError, r0" );
\r
193 asm( "LDI r31, 12" );
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194 asm( "CPSE r31, r7" );
\r
195 asm( "STS xRegTestError, r0" );
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196 asm( "LDI r31, 13" );
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197 asm( "CPSE r31, r8" );
\r
198 asm( "STS xRegTestError, r0" );
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199 asm( "LDI r31, 14" );
\r
200 asm( "CPSE r31, r9" );
\r
201 asm( "STS xRegTestError, r0" );
\r
202 asm( "LDI r31, 15" );
\r
203 asm( "CPSE r31, r10" );
\r
204 asm( "STS xRegTestError, r0" );
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205 asm( "LDI r31, 16" );
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206 asm( "CPSE r31, r11" );
\r
207 asm( "STS xRegTestError, r0" );
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208 asm( "LDI r31, 17" );
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209 asm( "CPSE r31, r12" );
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210 asm( "STS xRegTestError, r0" );
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211 asm( "LDI r31, 18" );
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212 asm( "CPSE r31, r13" );
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213 asm( "STS xRegTestError, r0" );
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214 asm( "LDI r31, 19" );
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215 asm( "CPSE r31, r14" );
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216 asm( "STS xRegTestError, r0" );
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217 asm( "LDI r31, 20" );
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218 asm( "CPSE r31, r15" );
\r
219 asm( "STS xRegTestError, r0" );
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220 asm( "LDI r31, 21" );
\r
221 asm( "CPSE r31, r16" );
\r
222 asm( "STS xRegTestError, r0" );
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223 asm( "LDI r31, 22" );
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224 asm( "CPSE r31, r17" );
\r
225 asm( "STS xRegTestError, r0" );
\r
226 asm( "LDI r31, 23" );
\r
227 asm( "CPSE r31, r18" );
\r
228 asm( "STS xRegTestError, r0" );
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229 asm( "LDI r31, 24" );
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230 asm( "CPSE r31, r19" );
\r
231 asm( "STS xRegTestError, r0" );
\r
232 asm( "LDI r31, 25" );
\r
233 asm( "CPSE r31, r20" );
\r
234 asm( "STS xRegTestError, r0" );
\r
235 asm( "LDI r31, 26" );
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236 asm( "CPSE r31, r21" );
\r
237 asm( "STS xRegTestError, r0" );
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238 asm( "LDI r31, 27" );
\r
239 asm( "CPSE r31, r22" );
\r
240 asm( "STS xRegTestError, r0" );
\r
241 asm( "LDI r31, 28" );
\r
242 asm( "CPSE r31, r23" );
\r
243 asm( "STS xRegTestError, r0" );
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244 asm( "LDI r31, 29" );
\r
245 asm( "CPSE r31, r24" );
\r
246 asm( "STS xRegTestError, r0" );
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247 asm( "LDI r31, 30" );
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248 asm( "CPSE r31, r25" );
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249 asm( "STS xRegTestError, r0" );
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250 asm( "LDI r31, 31" );
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251 asm( "CPSE r31, r26" );
\r
252 asm( "STS xRegTestError, r0" );
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253 asm( "LDI r31, 32" );
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254 asm( "CPSE r31, r27" );
\r
255 asm( "STS xRegTestError, r0" );
\r
256 asm( "LDI r31, 33" );
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257 asm( "CPSE r31, r30" );
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258 asm( "STS xRegTestError, r0" );
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261 /*-----------------------------------------------------------*/
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263 static void prvRegisterCheck2( void *pvParameters )
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265 ( void ) pvParameters;
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269 asm( "LDI r31, 1" );
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270 asm( "MOV r0, r31" );
\r
271 asm( "LDI r31, 2" );
\r
272 asm( "MOV r1, r31" );
\r
273 asm( "LDI r31, 3" );
\r
274 asm( "MOV r2, r31" );
\r
275 asm( "LDI r31, 4" );
\r
276 asm( "MOV r3, r31" );
\r
277 asm( "LDI r31, 5" );
\r
278 asm( "MOV r4, r31" );
\r
279 asm( "LDI r31, 6" );
\r
280 asm( "MOV r5, r31" );
\r
281 asm( "LDI r31, 7" );
\r
282 asm( "MOV r6, r31" );
\r
283 asm( "LDI r31, 8" );
\r
284 asm( "MOV r7, r31" );
\r
285 asm( "LDI r31, 9" );
\r
286 asm( "MOV r8, r31" );
\r
287 asm( "LDI r31, 10" );
\r
288 asm( "MOV r9, r31" );
\r
289 asm( "LDI r31, 11" );
\r
290 asm( "MOV r10, r31" );
\r
291 asm( "LDI r31, 12" );
\r
292 asm( "MOV r11, r31" );
\r
293 asm( "LDI r31, 13" );
\r
294 asm( "MOV r12, r31" );
\r
295 asm( "LDI r31, 14" );
\r
296 asm( "MOV r13, r31" );
\r
297 asm( "LDI r31, 15" );
\r
298 asm( "MOV r14, r31" );
\r
299 asm( "LDI r31, 16" );
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300 asm( "MOV r15, r31" );
\r
301 asm( "LDI r16, 17" );
\r
302 asm( "LDI r17, 18" );
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303 asm( "LDI r18, 19" );
\r
304 asm( "LDI r19, 20" );
\r
305 asm( "LDI r20, 21" );
\r
306 asm( "LDI r21, 22" );
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307 asm( "LDI r22, 23" );
\r
308 asm( "LDI r23, 24" );
\r
309 asm( "LDI r24, 25" );
\r
310 asm( "LDI r25, 26" );
\r
311 asm( "LDI r26, 27" );
\r
312 asm( "LDI r27, 28" );
\r
313 asm( "LDI r30, 29" );
\r
315 asm( "LDI r31, 1" );
\r
316 asm( "CPSE r31, r0" );
\r
317 asm( "STS xRegTestError, r0" );
\r
318 asm( "LDI r31, 2" );
\r
319 asm( "CPSE r31, r1" );
\r
320 asm( "STS xRegTestError, r0" );
\r
321 asm( "LDI r31, 3" );
\r
322 asm( "CPSE r31, r2" );
\r
323 asm( "STS xRegTestError, r0" );
\r
324 asm( "LDI r31, 4" );
\r
325 asm( "CPSE r31, r3" );
\r
326 asm( "STS xRegTestError, r0" );
\r
327 asm( "LDI r31, 5" );
\r
328 asm( "CPSE r31, r4" );
\r
329 asm( "STS xRegTestError, r0" );
\r
330 asm( "LDI r31, 6" );
\r
331 asm( "CPSE r31, r5" );
\r
332 asm( "STS xRegTestError, r0" );
\r
333 asm( "LDI r31, 7" );
\r
334 asm( "CPSE r31, r6" );
\r
335 asm( "STS xRegTestError, r0" );
\r
336 asm( "LDI r31, 8" );
\r
337 asm( "CPSE r31, r7" );
\r
338 asm( "STS xRegTestError, r0" );
\r
339 asm( "LDI r31, 9" );
\r
340 asm( "CPSE r31, r8" );
\r
341 asm( "STS xRegTestError, r0" );
\r
342 asm( "LDI r31, 10" );
\r
343 asm( "CPSE r31, r9" );
\r
344 asm( "STS xRegTestError, r0" );
\r
345 asm( "LDI r31, 11" );
\r
346 asm( "CPSE r31, r10" );
\r
347 asm( "STS xRegTestError, r0" );
\r
348 asm( "LDI r31, 12" );
\r
349 asm( "CPSE r31, r11" );
\r
350 asm( "STS xRegTestError, r0" );
\r
351 asm( "LDI r31, 13" );
\r
352 asm( "CPSE r31, r12" );
\r
353 asm( "STS xRegTestError, r0" );
\r
354 asm( "LDI r31, 14" );
\r
355 asm( "CPSE r31, r13" );
\r
356 asm( "STS xRegTestError, r0" );
\r
357 asm( "LDI r31, 15" );
\r
358 asm( "CPSE r31, r14" );
\r
359 asm( "STS xRegTestError, r0" );
\r
360 asm( "LDI r31, 16" );
\r
361 asm( "CPSE r31, r15" );
\r
362 asm( "STS xRegTestError, r0" );
\r
363 asm( "LDI r31, 17" );
\r
364 asm( "CPSE r31, r16" );
\r
365 asm( "STS xRegTestError, r0" );
\r
366 asm( "LDI r31, 18" );
\r
367 asm( "CPSE r31, r17" );
\r
368 asm( "STS xRegTestError, r0" );
\r
369 asm( "LDI r31, 19" );
\r
370 asm( "CPSE r31, r18" );
\r
371 asm( "STS xRegTestError, r0" );
\r
372 asm( "LDI r31, 20" );
\r
373 asm( "CPSE r31, r19" );
\r
374 asm( "STS xRegTestError, r0" );
\r
375 asm( "LDI r31, 21" );
\r
376 asm( "CPSE r31, r20" );
\r
377 asm( "STS xRegTestError, r0" );
\r
378 asm( "LDI r31, 22" );
\r
379 asm( "CPSE r31, r21" );
\r
380 asm( "STS xRegTestError, r0" );
\r
381 asm( "LDI r31, 23" );
\r
382 asm( "CPSE r31, r22" );
\r
383 asm( "STS xRegTestError, r0" );
\r
384 asm( "LDI r31, 24" );
\r
385 asm( "CPSE r31, r23" );
\r
386 asm( "STS xRegTestError, r0" );
\r
387 asm( "LDI r31, 25" );
\r
388 asm( "CPSE r31, r24" );
\r
389 asm( "STS xRegTestError, r0" );
\r
390 asm( "LDI r31, 26" );
\r
391 asm( "CPSE r31, r25" );
\r
392 asm( "STS xRegTestError, r0" );
\r
393 asm( "LDI r31, 27" );
\r
394 asm( "CPSE r31, r26" );
\r
395 asm( "STS xRegTestError, r0" );
\r
396 asm( "LDI r31, 28" );
\r
397 asm( "CPSE r31, r27" );
\r
398 asm( "STS xRegTestError, r0" );
\r
399 asm( "LDI r31, 29" );
\r
400 asm( "CPSE r31, r30" );
\r
401 asm( "STS xRegTestError, r0" );
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