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ÓйØc51µ÷Óûã±àµÄ·½·¨ÒѾÓкܶàÌû×Ó½²µ½£¬µ«ÊÇÒ»°ãÖ»½²Òªµã£¬ºÜÉÙÓжÔÕû¸ö¹ý³Ì×÷ÏêϸÃèÊö£¬¶ÔÓÚ³õѧÕßÊDz»¹»µÄ£¬ÕâÀï±ÊÕß Í¨¹ýÒ»¸ö¼òµ¥Àý×Ó¶ÔÕâ¸ö¹ý³Ì½øÐÐÃèÊö£¬Ï£ÍûÄܶԳõѧÕßÓÐËù°ïÖú¡£¼¸ÄêÀ´£¬ÔÚÕâ¸öÂÛ̳Àï±ÊÕߵõ½ºÜ¶àÈÈÐÄÈËÖ¸µ¼£¬Òò´ËҲϣÍû ½å´Ë¾¡Ò»µãÃౡ֮Á¦¡£ ÔÚÕâ¸öÀý×ÓÀ²ûÊöÁ˱àдc51³ÌÐòµ÷Óûã±àº¯ÊýµÄÒ»ÖÖ·½·¨£¬Õâ¸öÍⲿº¯ÊýµÄÈë¿Ú²ÎÊýÊÇÒ»¸ö×Ö·ûÐͱäÁ¿ºÍÒ»¸öλ±äÁ¿£¬·µ»ØÖµÊÇ Ò»¸öÕûÐͱäÁ¿¡£ÀýÖУ¬ÏÈÓÃc51д³öÕâ¸öº¯ÊýµÄÖ÷Ì壬ȻºóÓÃSRC¿ØÖÆÖ¸Áî±àÒë²úÉúasmÎļþ£¬½øÒ»²½ÐÞ¸ÄÕâ¸öasmÎļþ¾ÍµÃµ½ÎÒÃÇËù ÒªµÄ»ã±àº¯Êý¡£¸Ã·½·¨ÈñàÒëÆ÷×Ô¶¯Íê³É¸÷ÖֶεݲÅÅ£¬Ìá¸ßÁË»ã±à³ÌÐòµÄ±àдЧÂÊ¡£ step1. °´Ð´ÆÕͨc51³ÌÐò·½·¨£¬½¨Á¢¹¤³Ì£¬ÔÚÀïÃæµ¼Èëmain.cÎļþºÍCFUNC.cÎļþ¡£ Ïà¹ØÎļþÈçÏ£º //main.cÎļþ #include < reg51.h > #define uchar unsigned char #define uint unsigned int extern uint AFUNC(uchar v_achr,bit v_bflag); void main() { bit BFLAG; uchar mav_chr; uint mvintrslt; mav_chr=0xd4; BFLAG=1; mvintrslt=AFUNC(mav_chr,BFLAG); } //CFUNC.cÎļþ #define uchar unsigned char #define uint unsigned int uint AFUNC(uchar v_achr,bit v_bflag) { uchar tmp_vchr; uint tp_vint; tmp_vchr=v_achr; tp_vint=(uint)v_bflag; return tmp_vchr+(tp_vint<<8); } step2. ÔÚ Project ´°¿ÚÖаüº¬»ã±à´úÂëµÄ C ÎļþÉÏÓÒ¼ü£¬Ñ¡Ôñ¡°Options for ...¡±£¬µã»÷Óұߵġ°Generate Assembler SRC File¡±ºÍ¡°Assemble SRC File¡±£¬Ê¹¼ì²é¿òÓÉ»ÒÉ«±ä³ÉºÚÉ«(ÓÐЧ)״̬; step3. ¸ù¾ÝÑ¡ÔñµÄ±àÒëģʽ£¬°ÑÏàÓ¦µÄ¿âÎļþ£¨Èç Small ģʽʱ£¬ÊÇ Keil\C51\Lib\C51S.Lib£©¼ÓÈ빤³ÌÖУ¬¸ÃÎļþ±ØÐë×÷Ϊ¹¤ ³ÌµÄ×îºóÎļþ£» step4. buildÕâ¸ö¹¤³Ìºó½«»á²úÉúÒ»¸öCFUNC.SRCµÄÎļþ£¬½«Õâ¸öÎļþ¸ÄÃûΪCFUNC.A51£¨Ò²¿ÉÒÔͨ¹ý±àÒëÑ¡ÏîÖ±½Ó²úÉúCFUNC.A51ÎÄ ¼þ£©£¬È»ºóÔÚ¹¤³ÌÀïÈ¥µô¿âÎļþ£¨ÈçC51S.Lib)ºÍCFUNC.c,¶ø½«CFUNC.A51Ìí¼Óµ½¹¤³ÌÀï¡£ //CFUNC.SRCÎļþÈçÏ .\CFUNC.SRC generated from: CFUNC.c NAME CFUNC ?PR?_AFUNC?CFUNC SEGMENT CODE ?BI?_AFUNC?CFUNC SEGMENT BIT OVERLAYABLE PUBLIC ?_AFUNC?BIT PUBLIC _AFUNC RSEG ?BI?_AFUNC?CFUNC ?_AFUNC?BIT: v_bflag?041: DBIT 1 ; #define uchar unsigned char ; #define uint unsigned int ; ; uint AFUNC(uchar v_achr,bit v_bflag) RSEG ?PR?_AFUNC?CFUNC _AFUNC: USING 0 ; SOURCE LINE # 5 ;---- Variable 'v_achr?040' assigned to Register 'R7' ---- ; { ; SOURCE LINE # 6 ; uchar tmp_vchr; ; uint tp_vint; ; ; tmp_vchr=v_achr; ; SOURCE LINE # 10 ;---- Variable 'tmp_vchr?042' assigned to Register 'R5' ---- MOV R5,AR7 ; tp_vint=(uint)v_bflag; ; SOURCE LINE # 11 MOV C,v_bflag?041 CLR A RLC A ;---- Variable 'tp_vint?043' assigned to Register 'R6/R7' ---- ; return tmp_vchr+(tp_vint<<8); ; SOURCE LINE # 12 MOV R6,A MOV R4,#00H CLR A ADD A,R5 MOV R7,A MOV A,R4 ADDC A,R6 MOV R6,A ; } ; SOURCE LINE # 13 ?C0001: RET ; END OF _AFUNC END step5. ¼ì²émain.cµÄ¡°Generate Assembler SRC File¡±ºÍ¡°Assemble SRC File¡±ÊÇ·ñÓÐЧ£¬ÈôÊÇÓÐЧÔòµã»÷ʹ¼ì²é¿ò±ä³ÉÎÞЧ״ ̬£»ÔÙ´ÎbuildÕâ¸ö¹¤³Ì£¬µ½´ËÄãÒѾµÃµ½»ã±àº¯ÊýµÄÖ÷Ì壬Ð޸ĺ¯ÊýÀïÃæµÄ»ã±à´úÂë¾ÍµÃµ½ÄãËùÐèµÄ»ã±àº¯ÊýÁË¡£ ²Î¿¼ÎÄÏ×£º 1.Ðì°®¾û£¬ÅíÐ㻪¡£µ¥Æ¬»ú¸ß¼¶ÓïÑÔC51windows»·¾³±à³ÌÓëÓ¦Ó㬵ç×Ó¹¤Òµ³ö°æÉç 2.www.c51bbs.com, C51±à³Ì:¹ØÓÚÔÚ KEIL C51 ÖÐÖ±½ÓǶÈë»ã±à¡£¡£¡£Ìû×Ó±àºÅ£º 83838 ·¢±íÓû§:Youth ................................................................................................................. keilÖлã±àº¯Êýµ÷ÓÃc51º¯Êý [ycong_kuang] ÔÚkeilµÄд·¨¿É²Î¿¼89852Ìû×Ó£¬¾ßÌåÈçÏ£º Óë89852Ìû×ÓÏà±È£¬µÚÒ»²½ÔÚ¹¤³ÌÀï¶àÁËÒ»¸ö±»»ã±àµ÷ÓõÄc51µÄº¯ÊýÎļþ£¨c51func.c£©£¬ÖÁÓÚ»ã±àº¯Êý»¹ÊÇÏÈÓÃc51±àд³öÖ÷Ìå (a51func.c)£¬ÕâÑù»ã±à³ÌÐò½Ó¿ÚºÍ¶Î¶¼½»¸ø±àÒëÆ÷´¦Àí£¬ÄãÖ»¹ÜÔÚ±àÒë³É»ã±à´úÂëºó°´ÄãµÄÒªÇó¸Äд»ã±à´úÂë¾ÍÐÐÁË¡£ Àý³ÌÈçÏ£º //main.c #include < reg51.h > #define uchar unsigned char #define uint unsigned int extern uint AFUNC(uchar v_achr,bit v_bflag); void main() { bit BFLAG; uchar mav_chr; uint mvintrslt; mav_chr=0xd4; BFLAG=1; mvintrslt=AFUNC(mav_chr,BFLAG); } //a51FUNC.c #define uchar unsigned char #define uint unsigned int extern uint CFUNC(uint); uint AFUNC(uchar v_achr,bit v_bflag) //c51дµÄ»ã±àº¯Êý£¬×îÖÕÒª±ä³É»ã±à´úÂë { uchar tmp_vchr; uint tp_vint; tmp_vchr=v_achr; tp_vint=(uint)v_bflag; return CFUNC(tp_vint); //ÕâÀïµ÷ÓÃÒ»¸öc51º¯Êý } //c51FUNC.c #define uchar unsigned char #define uint unsigned int uint CFUNC(uint v_int) //±»»ã±àº¯Êýµ÷ÓÃc51º¯Êý { return v_int<<2; } µÚ¶þ²½Êǰ´89852Ìû×ÓµÄstep2,3,4°ÑÓÃc51дµÄ(»ã±à)º¯Êý±ä³Éa51Îļþ(½ñÌìÎÒÊÔÁËÒ»ÏÂstep3¿ÉÒÔ²»Òª)Àý³Ì±àÒë½á¹ûÈç Ï£º ; .\a51func.SRC generated from: a51func.c NAME A51FUNC ?PR?_AFUNC?A51FUNC SEGMENT CODE ?DT?_AFUNC?A51FUNC SEGMENT DATA OVERLAYABLE ?BI?_AFUNC?A51FUNC SEGMENT BIT OVERLAYABLE EXTRN CODE (_CFUNC) PUBLIC ?_AFUNC?BIT PUBLIC _AFUNC RSEG ?DT?_AFUNC?A51FUNC ?_AFUNC?BYTE: tmp_vchr?042: DS 1 RSEG ?BI?_AFUNC?A51FUNC ?_AFUNC?BIT: v_bflag?041: DBIT 1 ; //a51FUNC.c ; ; #define uchar unsigned char ; #define uint unsigned int ; ; extern uint CFUNC(uint); ; ; uint AFUNC(uchar v_achr,bit v_bflag) RSEG ?PR?_AFUNC?A51FUNC _AFUNC: ;c51ËùдµÄº¯Êý²úÉúµÄ»ã±à´úÂë´ÓÕâÀ↑ʼ USING 0 ; SOURCE LINE # 8 ;---- Variable 'v_achr?040' assigned to Register 'R7' ---- ; { ; SOURCE LINE # 9 ; uchar tmp_vchr; ; uint tp_vint; ; ; tmp_vchr=v_achr; ; SOURCE LINE # 13 MOV tmp_vchr?042,R7 ; tp_vint=(uint)v_bflag; ; SOURCE LINE # 14 MOV C,v_bflag?041 CLR A MOV R6,A RLC A MOV R7,A ;---- Variable 'tp_vint?043' assigned to Register 'R6/R7' ---- ; ÕâÀï˵Ã÷R6,R7ÄÚÈݾÍÊÇtp_vint ; return CFUNC(tp_vint); ; SOURCE LINE # 16 LCALL _CFUNC ;ÕâÀïµ÷ÓÃÁËÓÃc51дµÄº¯Êý ; } ; SOURCE LINE # 17 ?C0001: RET ; END OF _AFUNC END Õâ¸öÎļþ¾ÍÊÇÄãµÄ»ã±àº¯ÊýËùÔÚÎļþ£¬°Ñº¯ÊýÀïÃæµÄ»ã±à´úÂëÐ޸ijÉÄãËùÐèµÄ»ã±àº¯Êý¾ÍokÁË¡£ ½¨Òé²Î¿¼ Ðì°®¾û£¬ÅíÐ㻪ËùдµÄ¡¶µ¥Æ¬»ú¸ß¼¶ÓïÑÔC51windows»·¾³±à³ÌÓëÓ¦Óá·»òÂíÖÒ÷ËùдµÄ ¡¶µ¥Æ¬»úµÄcÓïÑÔÓ¦ÓóÌÐòÉè¼Æ¡·ÓйػìºÏÓïÑÔ±à³ÌÓйØÕÂ½Ú ................................................................................................................. ¹ØÓÚÔÚ KEIL C51 ÖÐÖ±½ÓǶÈë»ã±à¡£¡£¡£ [Youth] ÓÐʱÔÚC51³ÌÐòÖÐÐèҪǶÈëһЩ»ã±à´úÂ룬Õâʱµ±È»¿ÉÒÔÓÃͨ³£µÄ×÷·¨£º °´ÕÕ C51 Óë»ã±àµÄ½Ó¿Úдһ¸ö»ã±àº¯Êý£¬È»ºóÔÚ C51 ³ÌÐòÖе÷Óøú¯Êý¡£(´ËÖÖ·½·¨¿ÉÔÚÂÛ̳ÀïËÑË÷£¬ÒÔǰÓкܶàÌû×Ó½²µ½£¬²»ÔÙ ÖØ¸´) ÏÂÃæ½éÉÜÖ±½ÓǶÈë»ã±à´úÂëµÄ·½·¨£º 1¡¢ÔÚ C ÎļþÖÐҪǶÈë»ã±à´úÂëÆ¬ÒÔÈçÏ·½Ê½¼ÓÈë»ã±à´úÂ룺 #pragma ASM ; Assembler Code Here #pragma ENDASM 2¡¢ÔÚ Project ´°¿ÚÖаüº¬»ã±à´úÂëµÄ C ÎļþÉÏÓÒ¼ü£¬Ñ¡Ôñ¡°Options for ...¡±£¬µã»÷Óұߵġ°Generate Assembler SRC File¡± ºÍ¡°Assemble SRC File¡±£¬Ê¹¼ì²é¿òÓÉ»ÒÉ«±ä³ÉºÚÉ«(ÓÐЧ)״̬£» 3¡¢¸ù¾ÝÑ¡ÔñµÄ±àÒëģʽ£¬°ÑÏàÓ¦µÄ¿âÎļþ(Èç Small ģʽʱ£¬ÊÇ Keil\C51\Lib\C51S.Lib)¼ÓÈ빤³ÌÖÐ, ¸ÃÎļþ±ØÐë×÷Ϊ¹¤³ÌµÄ×î ºóÎļþ£» 4¡¢±àÒ룬¼´¿ÉÉú³ÉÄ¿±ê´úÂë¡£ |
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