[363] | 1 | /*
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| 2 | * TOPPERS/JSP Kernel
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| 3 | * Toyohashi Open Platform for Embedded Real-Time Systems/
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| 4 | * Just 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 | *
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| 9 | * ä¸è¨èä½æ¨©è
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| 10 | ã¯ï¼ä»¥ä¸ã® (1)ã(4) ã®æ¡ä»¶ãï¼Free Software Foundation
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| 11 | * ã«ãã£ã¦å
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| 12 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
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| 13 | * è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
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| 14 | * ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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| 15 | å¸ï¼ä»¥ä¸ï¼
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| 16 | * å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 17 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 18 | * 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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| 19 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 20 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 21 | * ç¨ã§ããå½¢ã§åé
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| 22 | å¸ããå ´åã«ã¯ï¼åé
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| 23 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 24 | * è
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| 25 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 26 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 27 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 28 | * ç¨ã§ããªãå½¢ã§åé
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| 29 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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| 30 | * ã¨ï¼
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| 31 | * (a) åé
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| 32 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 33 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 34 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 35 | * (b) åé
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| 36 | å¸ã®å½¢æ
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| 37 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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| 38 | * å ±åãããã¨ï¼
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| 39 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 40 | * 害ãããï¼ä¸è¨èä½æ¨©è
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| 41 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 42 | 責ãããã¨ï¼
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| 43 | *
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| 44 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 45 | ã
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| 46 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
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| 47 | * å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
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| 48 | * æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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| 49 | *
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| 50 | * @(#) $Id: sys_config.c,v 1.7 2003/07/08 14:57:15 hiro Exp $
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| 51 | */
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| 52 |
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| 53 | /*
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| 54 | * ã¿ã¼ã²ããã·ã¹ãã ä¾åã¢ã¸ã¥ã¼ã«ï¼DVE68K/40ç¨ï¼
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| 55 | */
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| 56 |
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| 57 | #include "jsp_kernel.h"
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| 58 | #include <sil.h>
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| 59 | #include <dve68k_dga.h>
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| 60 |
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| 61 | /*
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| 62 | * ããã»ããµèå¥ã®ããã®å¤æ°ï¼ãã«ãããã»ããµå¯¾å¿ï¼
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| 63 | */
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| 64 | UINT board_id; /* ãã¼ãID */
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| 65 | VP board_addr; /* ãã¼ã«ã«ã¡ã¢ãªã®å
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| 66 | é ã¢ãã¬ã¹ */
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| 67 |
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| 68 | /*
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| 69 | * ã¿ã¼ã²ããã·ã¹ãã ä¾åã®åæå
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| 70 | */
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| 71 | void
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| 72 | sys_initialize()
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| 73 | {
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| 74 | /*
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| 75 | * ããã»ããµèå¥ã®ããã®å¤æ°ã®åæå
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| 76 | */
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| 77 | board_id = ((UINT)(sil_rew_mem((VP) TADR_BOARD_REG0)) & 0x1f);
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| 78 | board_addr = (VP)(board_id << 24);
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| 79 |
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| 80 | /*
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| 81 | * å²è¾¼ã¿é¢é£ã®åæå
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| 82 | *
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| 83 | * ãã¹ã¦ã®å²è¾¼ã¿ããã¹ã¯ã»ã¯ãªã¢ãï¼å²è¾¼ã¿ãã¯ãã«ãè¨å®ããï¼
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| 84 | */
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| 85 | dga_write((VP) TADR_DGA_CSR21, 0);
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| 86 | dga_write((VP) TADR_DGA_CSR23, ~0);
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| 87 | dga_write((VP) TADR_DGA_CSR19, (TVEC_G0I << 24) | (TVEC_G1I << 16)
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| 88 | | (TVEC_SWI << 8) | TVEC_SPRI);
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| 89 |
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| 90 | /*
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| 91 | * ã¢ãã¼ãå²è¾¼ã¿ã®è¨å®ï¼NMIï¼
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| 92 | *
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| 93 | * ã¢ãã¼ãå²è¾¼ã¿ã®å²è¾¼ã¿ã¬ãã«ãè¨å®ãï¼è¦æ±ãã¯ãªã¢ããå¾ï¼
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| 94 | * ãã¹ã¯ã解é¤ããï¼
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| 95 | */
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| 96 | dga_set_ilv((VP) TADR_DGA_CSR24, TBIT_ABTIL, TIRQ_NMI);
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| 97 | dga_write((VP) TADR_DGA_CSR23, TBIT_ABT);
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| 98 | dga_bit_or((VP) TADR_DGA_CSR21, TBIT_ABT);
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| 99 |
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| 100 | /*
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| 101 | * ã¡ã¢ãªé åã®è¨å®
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| 102 | *
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| 103 | * ãã¼ã«ã«ã¡ã¢ãªã®VMEãã¹ä¸ã§ã®å
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| 104 | é ã¢ãã¬ã¹ã¨ãµã¤ãºï¼16MBï¼
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| 105 | * ãï¼ã¢ã¯ã»ã¹ãåãä»ããããã«è¨å®ããï¼ã¾ãï¼VMEãã¹ãã
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| 106 | * æ¡å¼µã¢ãã¬ã¹ã¢ã¯ã»ã¹ãåãä»ããããã«ã«è¨å®ããï¼
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| 107 | */
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| 108 | dga_write((VP) TADR_DGA_CSR4, (UW) board_addr | 0x00ff);
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| 109 | dga_write((VP) TADR_DGA_CSR5, 0x0000012fu);
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| 110 |
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| 111 | /*
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| 112 | * ã¤ã³ã¿ãã§ã¼ã¹ã¬ã¸ã¹ã¿ï¼IFRï¼ã®è¨å®
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| 113 | *
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| 114 | * ã¤ã³ã¿ãã§ã¼ã¹ã¬ã¸ã¹ã¿ã®ãã¼ã¹ã¢ãã¬ã¹ãè¨å®ããï¼ã¾ãï¼ã¤
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| 115 | * ã³ã¿ãã§ã¼ã¹ã¬ã¸ã¹ã¿0ã®ãµã¼ãã¹ãªã¯ã¨ã¹ããã©ã°ãã¯ãªã¢ï¼
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| 116 | * ã¤ã³ã¿ãã§ã¼ã¹ã¬ã¸ã¹ã¿3ã«ãã¼ãã®IDçªå·ãè¨å®ï¼
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| 117 | */
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| 118 | dga_write((VP) TADR_DGA_CSR3, (board_id << 4) | 0x3);
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| 119 | dga_write((VP) TADR_DGA_IFR0, 0x80000000u);
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| 120 | dga_write((VP) TADR_DGA_IFR3, board_id);
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| 121 |
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| 122 | /*
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| 123 | * ã©ã¦ã³ãããã³ã¢ã¼ãã«è¨å®ï¼ãã«ãããã»ããµå¯¾å¿ï¼
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| 124 | */
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| 125 | dga_write((VP) TADR_DGA_CSR1, (dga_read((VP) TADR_DGA_CSR1)
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| 126 | & 0xffeffcff) | (1u << 20) | ((board_id % 4) << 8));
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| 127 | }
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| 128 |
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| 129 | /*
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| 130 | * ã¿ã¼ã²ããã·ã¹ãã ã®çµäº
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| 131 | */
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| 132 | void
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| 133 | sys_exit()
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| 134 | {
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| 135 | dve68k_exit();
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| 136 | }
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| 137 |
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| 138 | /*
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| 139 | * ã¿ã¼ã²ããã·ã¹ãã ã®æååºå
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| 140 | */
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| 141 | void
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| 142 | sys_putc(char c)
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| 143 | {
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| 144 | if (c == '\n') {
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| 145 | dve68k_putc('\r');
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| 146 | }
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| 147 | dve68k_putc(c);
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| 148 | }
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