[313] | 1 | ;*
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| 2 | ;* TOPPERS/ASP Kernel
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| 3 | ;* Toyohashi Open Platform for Embedded Real-Time Systems/
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| 4 | ;* Advanced Standard Profile Kernel
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| 5 | ;*
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| 6 | ;* Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
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| 7 | ;* Toyohashi Univ. of Technology, JAPAN
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| 8 | ;* Copyright (C) 2001 by OAKS16KIT support
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| 9 | ;* Copyright (C) 2003-2004 by Naoki Saito
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| 10 | ;* Nagoya Municipal Industrial Research Institute, JAPAN
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| 11 | ;* Copyright (C) 2003-2004 by Ryosuke Takeuchi
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| 12 | ;* Platform Development Center RICOH COMPANY,LTD. JAPAN
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| 13 | ;* Copyright (C) 2008-2010 by Witz Corporation, JAPAN
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| 14 | ;* Copyright (C) 2013 by Mitsuhiro Matsuura
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| 15 | ;*
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[314] | 16 | ;* ä¸è¨èä½æ¨©è
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| 17 | ã¯ï¼Free Software Foundation ã«ãã£ã¦å
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| 18 | ¬è¡¨ããã¦ãã
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| 19 | ;* GNU General Public License ã® Version 2 ã«è¨è¿°ããã¦ããæ¡ä»¶ãï¼ä»¥
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| 20 | ;* ä¸ã®(1)ï½(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§
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| 21 | ;* ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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| 22 | å¸ï¼ä»¥ä¸ï¼
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| 23 | ;* å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 24 | ;* (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 25 | ;* 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
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| 26 | ;* ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 27 | ;* (2) æ¬ã½ããã¦ã§ã¢ãåå©ç¨å¯è½ãªãã¤ããªã³ã¼ãï¼ãªãã±ã¼ã¿ãã«ãªã
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| 28 | ;* ã¸ã§ã¯ããã¡ã¤ã«ãã©ã¤ãã©ãªãªã©ï¼ã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼å©ç¨
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| 29 | ;* ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 30 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼
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| 31 | ;* ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 32 | ;* (3) æ¬ã½ããã¦ã§ã¢ãåå©ç¨ä¸å¯è½ãªãã¤ããªã³ã¼ãã®å½¢ã¾ãã¯æ©å¨ã«çµ
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| 33 | ;* ã¿è¾¼ãã å½¢ã§å©ç¨ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºãããã¨ï¼
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| 34 | ;* (a) å©ç¨ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 35 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½
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[313] | 36 | ;* 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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[314] | 37 | ;* (b) å©ç¨ã®å½¢æ
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| 38 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼ä¸è¨èä½æ¨©è
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| 39 | ã«å ±åãã
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| 40 | ;* ãã¨ï¼
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[313] | 41 | ;* (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 42 | ;* 害ãããï¼ä¸è¨èä½æ¨©è
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| 43 | ãå
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| 44 | 責ãããã¨ï¼
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| 45 | ;*
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| 46 | ;* æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 47 | ã¯ï¼
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| 48 | ;* æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ã
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| 49 | ;* ãªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çããã
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| 50 | ;* ããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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[314] | 51 |
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[313] | 52 | .section P, CODE
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[314] | 53 |
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| 54 |
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| 55 | .glb _hardware_init_hook
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| 56 | .glb _software_init_hook
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[313] | 57 |
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[314] | 58 |
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| 59 | _hardware_init_hook:
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[313] | 60 | ;
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| 61 | ; åä½ã¢ã¼ãè¨å®
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| 62 | ;
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[314] | 63 | ; åä½ã¢ã¼ãã¯ãã¼ãä¸ã®ç«¯åã«ãã£ã¦æ±ºå®ããããã,
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[313] | 64 | ; ããã§ã¯ç¹å¥è¨å®ããªã.
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[314] | 65 | ; ãã ã, ãªãã«ã¨ã³ãã£ã¢ã³/ã·ã³ã°ã«ãããã¢ã¼ã
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| 66 | ; ã§ãããã¨ãåæã¨ãã.
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| 67 | ;
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| 68 | ; ã¾ããªã»ããå¾, å
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| 69 | èµROMï¼æå¹, å
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| 70 | èµRAMï¼æå¹, å¤é¨ãã¹ï¼ç¡å¹
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[313] | 71 | ; ã§ãã.
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| 72 | ;
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| 73 |
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| 74 | ;
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| 75 | ; ã¯ããã¯è¨å®
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| 76 | ;
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| 77 | ; å
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| 78 | ¥åï¼12MHz
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| 79 | ; PLLåè·¯ï¼12 x 8 = 96MHz
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| 80 | ; ã·ã¹ãã ã¯ããã¯ï¼96MHz
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| 81 | ; å¨è¾ºã¢ã¸ã¥ã¼ã«ã¯ããã¯ï¼48MHz
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| 82 | ; å¤é¨ãã¹ã¯ããã¯ï¼96MHz
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| 83 | ; ã¨ãã.
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| 84 | ;
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| 85 |
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| 86 | ;PORT3.PDR.BIT.B6 = 0;
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| 87 | MOV.L #08C003H,R11
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| 88 | MOV.B [R11],R10
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| 89 | BCLR #6,R10
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| 90 | MOV.B R10,[R11]
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| 91 | ;PORT3.PDR.BIT.B7 = 0;
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| 92 | MOV.L #08C003H,R11
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| 93 | MOV.B [R11],R10
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| 94 | BCLR #7,R10
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| 95 | MOV.B R10,[R11]
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| 96 | ;PORT3.PMR.BIT.B6 = 0;
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| 97 | MOV.L #08C003H,R11
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| 98 | MOV.B 60H[R11],R10
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| 99 | BCLR #6,R10
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[314] | 100 | MOV.B R10,60H[R11]
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[313] | 101 | ;PORT3.PMR.BIT.B7 = 0;
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| 102 | MOV.L #08C003H,R11
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| 103 | MOV.B 60H[R11],R10
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| 104 | BCLR #7,R10
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| 105 | MOV.B R10,60H[R11]
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| 106 | ;
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| 107 | ;SYSTEM.PRCR.WORD = 0xa503;
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| 108 | MOV.L #080000H,R10
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| 109 | MOV.W #-5AFDH,03FEH[R10]
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| 110 | ;
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| 111 | ;while(SYSTEM.MOFCR.BIT.MOFXIN == 0)
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| 112 | BRA.B _hardware_init_hook_01
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| 113 | ;SYSTEM.MOFCR.BIT.MOFXIN = 1; // ã¡ã¤ã³ã¯ããã¯çºæ¯å¨å¼·å¶çºæ¯
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| 114 | _hardware_init_hook_00:
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| 115 | MOV.L #080000H,R11
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[314] | 116 | MOV.B 0C293H[R11],R10
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[313] | 117 | BSET #0,R10
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| 118 | MOV.B R10,0C293H[R11]
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| 119 | _hardware_init_hook_01:
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| 120 | MOV.L #080000H,R10
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| 121 | MOV.B 0C293H[R10],R10
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| 122 | AND #1H,R10
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| 123 | MOVU.B R10,R10
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| 124 | CMP #0H,R10
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| 125 | BEQ.B _hardware_init_hook_00
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| 126 | ;
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| 127 | ;while(SYSTEM.MOSCCR.BIT.MOSTP == 1)
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| 128 | BRA.B _hardware_init_hook_11
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| 129 | ;SYSTEM.MOSCCR.BIT.MOSTP = 0; // ã¡ã¤ã³ã¯ããã¯çºæ¯å¨åä½
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| 130 | _hardware_init_hook_10:
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| 131 | MOV.L #080000H,R11
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| 132 | MOV.B 32H[R11],R10
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| 133 | BCLR #0,R10
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| 134 | MOV.B R10,32H[R11]
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| 135 | _hardware_init_hook_11:
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| 136 | MOV.L #080000H,R10
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| 137 | MOV.B 32H[R10],R10
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| 138 | AND #1H,R10
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| 139 | MOVU.B R10,R10
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| 140 | CMP #0H,R10
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| 141 | BNE.B _hardware_init_hook_10
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| 142 | ;
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| 143 | ;SYSTEM.PLLCR.BIT.STC = 0x0f;
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| 144 | MOV.L #080000H,R10
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| 145 | MOV.W 28H[R10],R11
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[314] | 146 | AND #-3F01H,R11
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[313] | 147 | OR #0F00H,R11
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| 148 | MOV.W R11,28H[R10]
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| 149 | ;SYSTEM.PLLCR2.BIT.PLLEN = 0;
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| 150 | MOV.L #080000H,R11
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| 151 | MOV.B 2AH[R11],R10
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| 152 | BCLR #0,R10
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| 153 | MOV.B R10,2AH[R11]
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[314] | 154 | ;
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[313] | 155 | ;SYSTEM.SCKCR.LONG = 0x21021211;
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[314] | 156 | MOV.L #080000H,R10
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| 157 | MOV.L #21021211H,20H[R10]
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| 158 | ;
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| 159 | ;SYSTEM.SCKCR3.BIT.CKSEL = 4; // PLLåè·¯é¸æ
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[313] | 160 | MOV.L #080000H,R10
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| 161 | MOV.W 26H[R10],R11
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| 162 | AND #-0701H,R11
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| 163 | OR #0400H,R11
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| 164 | MOV.W R11,26H[R10]
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| 165 |
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| 166 | ;
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| 167 | ; ã¢ã¸ã¥ã¼ã«ã¹ããã
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| 168 | ;
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| 169 | ; ãªã»ããå¾, åä½ãã¦ããå
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[314] | 170 | èµå¨è¾ºã¢ã¸ã¥ã¼ã«ã¯DMAC, DTC,
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| 171 | ; å
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[313] | 172 | èµRAMã®ã¿ã§ãã.
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| 173 | ; ãã以å¤ã®å
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| 174 | èµå¨è¾ºã¢ã¸ã¥ã¼ã«ã«é¢ãã¦ã¯ä½¿ç¨ããå´ã§
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| 175 | ; è¨å®ãããã¨.
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| 176 | ;
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| 177 |
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| 178 | ;SYSTEM.PRCR.WORD = 0xa500;
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| 179 | MOV.L #080000H,R10
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| 180 | MOV.W #-5B00H,03FEH[R10]
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| 181 | rts
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| 182 |
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| 183 |
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| 184 | _software_init_hook:
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| 185 | ;
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| 186 | ; æ¬ã³ã³ãã¤ã©ã§ã¯weak definitionã®æ©è½ãç¡ããã,
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| 187 | ; ç¹ã«å¿
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| 188 | è¦ãªå¦çã¯ãªãã, å¿
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| 189 | ãå¼ã³åºããã¨ã¨ãã.
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| 190 | ;
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| 191 | rts
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| 192 |
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| 193 |
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| 194 | .end
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| 195 |
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