2 FreeRTOS V7.2.0 - Copyright (C) 2012 Real Time Engineers Ltd.
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5 ***************************************************************************
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7 * FreeRTOS tutorial books are available in pdf and paperback. *
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8 * Complete, revised, and edited pdf reference manuals are also *
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11 * Purchasing FreeRTOS documentation will not only help you, by *
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12 * ensuring you get running as quickly as possible and with an *
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13 * in-depth knowledge of how to use FreeRTOS, it will also help *
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14 * the FreeRTOS project to continue with its mission of providing *
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15 * professional grade, cross platform, de facto standard solutions *
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16 * for microcontrollers - completely free of charge! *
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18 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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20 * Thank you for using FreeRTOS, and thank you for your support! *
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22 ***************************************************************************
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25 This file is part of the FreeRTOS distribution.
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27 FreeRTOS is free software; you can redistribute it and/or modify it under
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28 the terms of the GNU General Public License (version 2) as published by the
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29 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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30 >>>NOTE<<< The modification to the GPL is included to allow you to
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31 distribute a combined work that includes FreeRTOS without being obliged to
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32 provide the source code for proprietary components outside of the FreeRTOS
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33 kernel. FreeRTOS is distributed in the hope that it will be useful, but
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34 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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35 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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36 more details. You should have received a copy of the GNU General Public
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37 License and the FreeRTOS license exception along with FreeRTOS; if not it
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38 can be viewed here: http://www.freertos.org/a00114.html and also obtained
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39 by writing to Richard Barry, contact details for whom are available on the
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44 ***************************************************************************
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46 * Having a problem? Start by reading the FAQ "My application does *
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47 * not run, what could be wrong? *
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49 * http://www.FreeRTOS.org/FAQHelp.html *
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51 ***************************************************************************
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54 http://www.FreeRTOS.org - Documentation, training, latest information,
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55 license and contact details.
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57 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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58 including FreeRTOS+Trace - an indispensable productivity tool.
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60 Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell
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61 the code with commercial support, indemnification, and middleware, under
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62 the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also
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63 provide a safety engineered and independently SIL3 certified version under
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64 the SafeRTOS brand: http://www.SafeRTOS.com.
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67 /* Scheduler include files. */
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68 #include "FreeRTOS.h"
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71 /* Demo file headers. */
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72 #include "regtest.h"
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75 * Test tasks that sets registers to known values, then checks to ensure the
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76 * values remain as expected. Test 1 and test 2 use different values.
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78 static void prvRegisterCheck1( void *pvParameters );
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79 static void prvRegisterCheck2( void *pvParameters );
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81 /* Set to a non zero value should an error be found. */
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82 portBASE_TYPE xRegTestError = pdFALSE;
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84 /*-----------------------------------------------------------*/
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86 void vStartRegTestTasks( void )
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88 xTaskCreate( prvRegisterCheck1, ( signed char * ) "Reg1", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
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89 xTaskCreate( prvRegisterCheck2, ( signed char * ) "Reg2", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
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91 /*-----------------------------------------------------------*/
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93 portBASE_TYPE xAreRegTestTasksStillRunning( void )
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95 portBASE_TYPE xReturn;
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97 /* If a register was found to contain an unexpected value then the
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98 xRegTestError variable would have been set to a non zero value. */
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99 if( xRegTestError == pdFALSE )
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110 /*-----------------------------------------------------------*/
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112 static void prvRegisterCheck1( void *pvParameters )
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114 ( void ) pvParameters;
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118 asm( "LDI r31, 5" );
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119 asm( "MOV r0, r31" );
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120 asm( "LDI r31, 6" );
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121 asm( "MOV r1, r31" );
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122 asm( "LDI r31, 7" );
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123 asm( "MOV r2, r31" );
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124 asm( "LDI r31, 8" );
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125 asm( "MOV r3, r31" );
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126 asm( "LDI r31, 9" );
\r
127 asm( "MOV r4, r31" );
\r
128 asm( "LDI r31, 10" );
\r
129 asm( "MOV r5, r31" );
\r
130 asm( "LDI r31, 11" );
\r
131 asm( "MOV r6, r31" );
\r
132 asm( "LDI r31, 12" );
\r
133 asm( "MOV r7, r31" );
\r
134 asm( "LDI r31, 13" );
\r
135 asm( "MOV r8, r31" );
\r
136 asm( "LDI r31, 14" );
\r
137 asm( "MOV r9, r31" );
\r
138 asm( "LDI r31, 15" );
\r
139 asm( "MOV r10, r31" );
\r
140 asm( "LDI r31, 16" );
\r
141 asm( "MOV r11, r31" );
\r
142 asm( "LDI r31, 17" );
\r
143 asm( "MOV r12, r31" );
\r
144 asm( "LDI r31, 18" );
\r
145 asm( "MOV r13, r31" );
\r
146 asm( "LDI r31, 19" );
\r
147 asm( "MOV r14, r31" );
\r
148 asm( "LDI r31, 20" );
\r
149 asm( "MOV r15, r31" );
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150 asm( "LDI r16, 21" );
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151 asm( "LDI r17, 22" );
\r
152 asm( "LDI r18, 23" );
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153 asm( "LDI r19, 24" );
\r
154 asm( "LDI r20, 25" );
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155 asm( "LDI r21, 26" );
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156 asm( "LDI r22, 27" );
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157 asm( "LDI r23, 28" );
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158 asm( "LDI r24, 29" );
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159 asm( "LDI r25, 30" );
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160 asm( "LDI r26, 31" );
\r
161 asm( "LDI r27, 32" );
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162 asm( "LDI r30, 33" );
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164 asm( "LDI r31, 5" );
\r
165 asm( "CPSE r31, r0" );
\r
166 asm( "STS xRegTestError, r0" );
\r
167 asm( "LDI r31, 6" );
\r
168 asm( "CPSE r31, r1" );
\r
169 asm( "STS xRegTestError, r0" );
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170 asm( "LDI r31, 7" );
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171 asm( "CPSE r31, r2" );
\r
172 asm( "STS xRegTestError, r0" );
\r
173 asm( "LDI r31, 8" );
\r
174 asm( "CPSE r31, r3" );
\r
175 asm( "STS xRegTestError, r0" );
\r
176 asm( "LDI r31, 9" );
\r
177 asm( "CPSE r31, r4" );
\r
178 asm( "STS xRegTestError, r0" );
\r
179 asm( "LDI r31, 10" );
\r
180 asm( "CPSE r31, r5" );
\r
181 asm( "STS xRegTestError, r0" );
\r
182 asm( "LDI r31, 11" );
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183 asm( "CPSE r31, r6" );
\r
184 asm( "STS xRegTestError, r0" );
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185 asm( "LDI r31, 12" );
\r
186 asm( "CPSE r31, r7" );
\r
187 asm( "STS xRegTestError, r0" );
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188 asm( "LDI r31, 13" );
\r
189 asm( "CPSE r31, r8" );
\r
190 asm( "STS xRegTestError, r0" );
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191 asm( "LDI r31, 14" );
\r
192 asm( "CPSE r31, r9" );
\r
193 asm( "STS xRegTestError, r0" );
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194 asm( "LDI r31, 15" );
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195 asm( "CPSE r31, r10" );
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196 asm( "STS xRegTestError, r0" );
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197 asm( "LDI r31, 16" );
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198 asm( "CPSE r31, r11" );
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199 asm( "STS xRegTestError, r0" );
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200 asm( "LDI r31, 17" );
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201 asm( "CPSE r31, r12" );
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202 asm( "STS xRegTestError, r0" );
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203 asm( "LDI r31, 18" );
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204 asm( "CPSE r31, r13" );
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205 asm( "STS xRegTestError, r0" );
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206 asm( "LDI r31, 19" );
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207 asm( "CPSE r31, r14" );
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208 asm( "STS xRegTestError, r0" );
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209 asm( "LDI r31, 20" );
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210 asm( "CPSE r31, r15" );
\r
211 asm( "STS xRegTestError, r0" );
\r
212 asm( "LDI r31, 21" );
\r
213 asm( "CPSE r31, r16" );
\r
214 asm( "STS xRegTestError, r0" );
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215 asm( "LDI r31, 22" );
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216 asm( "CPSE r31, r17" );
\r
217 asm( "STS xRegTestError, r0" );
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218 asm( "LDI r31, 23" );
\r
219 asm( "CPSE r31, r18" );
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220 asm( "STS xRegTestError, r0" );
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221 asm( "LDI r31, 24" );
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222 asm( "CPSE r31, r19" );
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223 asm( "STS xRegTestError, r0" );
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224 asm( "LDI r31, 25" );
\r
225 asm( "CPSE r31, r20" );
\r
226 asm( "STS xRegTestError, r0" );
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227 asm( "LDI r31, 26" );
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228 asm( "CPSE r31, r21" );
\r
229 asm( "STS xRegTestError, r0" );
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230 asm( "LDI r31, 27" );
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231 asm( "CPSE r31, r22" );
\r
232 asm( "STS xRegTestError, r0" );
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233 asm( "LDI r31, 28" );
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234 asm( "CPSE r31, r23" );
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235 asm( "STS xRegTestError, r0" );
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236 asm( "LDI r31, 29" );
\r
237 asm( "CPSE r31, r24" );
\r
238 asm( "STS xRegTestError, r0" );
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239 asm( "LDI r31, 30" );
\r
240 asm( "CPSE r31, r25" );
\r
241 asm( "STS xRegTestError, r0" );
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242 asm( "LDI r31, 31" );
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243 asm( "CPSE r31, r26" );
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244 asm( "STS xRegTestError, r0" );
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245 asm( "LDI r31, 32" );
\r
246 asm( "CPSE r31, r27" );
\r
247 asm( "STS xRegTestError, r0" );
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248 asm( "LDI r31, 33" );
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249 asm( "CPSE r31, r30" );
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250 asm( "STS xRegTestError, r0" );
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253 /*-----------------------------------------------------------*/
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255 static void prvRegisterCheck2( void *pvParameters )
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257 ( void ) pvParameters;
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261 asm( "LDI r31, 1" );
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262 asm( "MOV r0, r31" );
\r
263 asm( "LDI r31, 2" );
\r
264 asm( "MOV r1, r31" );
\r
265 asm( "LDI r31, 3" );
\r
266 asm( "MOV r2, r31" );
\r
267 asm( "LDI r31, 4" );
\r
268 asm( "MOV r3, r31" );
\r
269 asm( "LDI r31, 5" );
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270 asm( "MOV r4, r31" );
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271 asm( "LDI r31, 6" );
\r
272 asm( "MOV r5, r31" );
\r
273 asm( "LDI r31, 7" );
\r
274 asm( "MOV r6, r31" );
\r
275 asm( "LDI r31, 8" );
\r
276 asm( "MOV r7, r31" );
\r
277 asm( "LDI r31, 9" );
\r
278 asm( "MOV r8, r31" );
\r
279 asm( "LDI r31, 10" );
\r
280 asm( "MOV r9, r31" );
\r
281 asm( "LDI r31, 11" );
\r
282 asm( "MOV r10, r31" );
\r
283 asm( "LDI r31, 12" );
\r
284 asm( "MOV r11, r31" );
\r
285 asm( "LDI r31, 13" );
\r
286 asm( "MOV r12, r31" );
\r
287 asm( "LDI r31, 14" );
\r
288 asm( "MOV r13, r31" );
\r
289 asm( "LDI r31, 15" );
\r
290 asm( "MOV r14, r31" );
\r
291 asm( "LDI r31, 16" );
\r
292 asm( "MOV r15, r31" );
\r
293 asm( "LDI r16, 17" );
\r
294 asm( "LDI r17, 18" );
\r
295 asm( "LDI r18, 19" );
\r
296 asm( "LDI r19, 20" );
\r
297 asm( "LDI r20, 21" );
\r
298 asm( "LDI r21, 22" );
\r
299 asm( "LDI r22, 23" );
\r
300 asm( "LDI r23, 24" );
\r
301 asm( "LDI r24, 25" );
\r
302 asm( "LDI r25, 26" );
\r
303 asm( "LDI r26, 27" );
\r
304 asm( "LDI r27, 28" );
\r
305 asm( "LDI r30, 29" );
\r
307 asm( "LDI r31, 1" );
\r
308 asm( "CPSE r31, r0" );
\r
309 asm( "STS xRegTestError, r0" );
\r
310 asm( "LDI r31, 2" );
\r
311 asm( "CPSE r31, r1" );
\r
312 asm( "STS xRegTestError, r0" );
\r
313 asm( "LDI r31, 3" );
\r
314 asm( "CPSE r31, r2" );
\r
315 asm( "STS xRegTestError, r0" );
\r
316 asm( "LDI r31, 4" );
\r
317 asm( "CPSE r31, r3" );
\r
318 asm( "STS xRegTestError, r0" );
\r
319 asm( "LDI r31, 5" );
\r
320 asm( "CPSE r31, r4" );
\r
321 asm( "STS xRegTestError, r0" );
\r
322 asm( "LDI r31, 6" );
\r
323 asm( "CPSE r31, r5" );
\r
324 asm( "STS xRegTestError, r0" );
\r
325 asm( "LDI r31, 7" );
\r
326 asm( "CPSE r31, r6" );
\r
327 asm( "STS xRegTestError, r0" );
\r
328 asm( "LDI r31, 8" );
\r
329 asm( "CPSE r31, r7" );
\r
330 asm( "STS xRegTestError, r0" );
\r
331 asm( "LDI r31, 9" );
\r
332 asm( "CPSE r31, r8" );
\r
333 asm( "STS xRegTestError, r0" );
\r
334 asm( "LDI r31, 10" );
\r
335 asm( "CPSE r31, r9" );
\r
336 asm( "STS xRegTestError, r0" );
\r
337 asm( "LDI r31, 11" );
\r
338 asm( "CPSE r31, r10" );
\r
339 asm( "STS xRegTestError, r0" );
\r
340 asm( "LDI r31, 12" );
\r
341 asm( "CPSE r31, r11" );
\r
342 asm( "STS xRegTestError, r0" );
\r
343 asm( "LDI r31, 13" );
\r
344 asm( "CPSE r31, r12" );
\r
345 asm( "STS xRegTestError, r0" );
\r
346 asm( "LDI r31, 14" );
\r
347 asm( "CPSE r31, r13" );
\r
348 asm( "STS xRegTestError, r0" );
\r
349 asm( "LDI r31, 15" );
\r
350 asm( "CPSE r31, r14" );
\r
351 asm( "STS xRegTestError, r0" );
\r
352 asm( "LDI r31, 16" );
\r
353 asm( "CPSE r31, r15" );
\r
354 asm( "STS xRegTestError, r0" );
\r
355 asm( "LDI r31, 17" );
\r
356 asm( "CPSE r31, r16" );
\r
357 asm( "STS xRegTestError, r0" );
\r
358 asm( "LDI r31, 18" );
\r
359 asm( "CPSE r31, r17" );
\r
360 asm( "STS xRegTestError, r0" );
\r
361 asm( "LDI r31, 19" );
\r
362 asm( "CPSE r31, r18" );
\r
363 asm( "STS xRegTestError, r0" );
\r
364 asm( "LDI r31, 20" );
\r
365 asm( "CPSE r31, r19" );
\r
366 asm( "STS xRegTestError, r0" );
\r
367 asm( "LDI r31, 21" );
\r
368 asm( "CPSE r31, r20" );
\r
369 asm( "STS xRegTestError, r0" );
\r
370 asm( "LDI r31, 22" );
\r
371 asm( "CPSE r31, r21" );
\r
372 asm( "STS xRegTestError, r0" );
\r
373 asm( "LDI r31, 23" );
\r
374 asm( "CPSE r31, r22" );
\r
375 asm( "STS xRegTestError, r0" );
\r
376 asm( "LDI r31, 24" );
\r
377 asm( "CPSE r31, r23" );
\r
378 asm( "STS xRegTestError, r0" );
\r
379 asm( "LDI r31, 25" );
\r
380 asm( "CPSE r31, r24" );
\r
381 asm( "STS xRegTestError, r0" );
\r
382 asm( "LDI r31, 26" );
\r
383 asm( "CPSE r31, r25" );
\r
384 asm( "STS xRegTestError, r0" );
\r
385 asm( "LDI r31, 27" );
\r
386 asm( "CPSE r31, r26" );
\r
387 asm( "STS xRegTestError, r0" );
\r
388 asm( "LDI r31, 28" );
\r
389 asm( "CPSE r31, r27" );
\r
390 asm( "STS xRegTestError, r0" );
\r
391 asm( "LDI r31, 29" );
\r
392 asm( "CPSE r31, r30" );
\r
393 asm( "STS xRegTestError, r0" );
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