发布时间 : 星期三 文章(完整版)基于51单片机电子万年历毕业论文更新完毕开始阅读19e602a0c67da26925c52cc58bd63186bceb9210
LJMP S_PLAY Y5:
CJNE R2,#00H,Y51
LCALL CHECKRE ;查前一个月是否为闰月
CJNE A,#04H,Y52
MOV 56H,#29H ;前一个月是闰月 MOV A,R4 ;R2中为0，则为前一个月
ANL A,#0FH ;的最后一天 JNZ Y53 MOV 56H,#30H MOV 57H,#04H SETB F0 LJMP S_PLAY Y53:
MOV 57H,#04H SETB F0 LJMP S_PLAY Y52:
MOV 56H,#29H ;前一个月不是闰月 MOV A,R6 JB ACC.2,Y54 MOV 56H,#30H Y54:
MOV 57H,#04H CLR F0 LJMP S_PLAY Y51:
MOV A,R2 ;R2中为日的值 MOV R0,A LCALL D_BCD MOV 56H,A MOV 57H,#05H CLR F0 LJMP S_PLAY RY5:
CJNE R2,#00H,RY51
MOV 56H,#29H ;R2中为0，则为前一个月
MOV A,R6 ;的最后一天 JB ACC.1,RY52 MOV 56H,#30H RY52:
MOV 57H,#05H CLR F0 LJMP S_PLAY RY51:
MOV A,R2 ;R2中为日的值 MOV R0,A
LCALL D_BCD MOV 56H,A MOV 57H,#05H SETB F0 LJMP S_PLAY Y6:
CJNE R2,#00H,Y61
LCALL CHECKRE ;查前一个月是否为闰月
CJNE A,#05H,Y62
MOV 56H,#29H ;前一个月是闰月 MOV A,R4 ;R2中为0，则为前一个月
ANL A,#0FH ;的最后一天 JNZ Y63 MOV 56H,#30H MOV 57H,#05H SETB F0 LJMP S_PLAY Y63:
MOV 57H,#05H SETB F0 LJMP S_PLAY Y62:
MOV 56H,#29H ;前一个月不是闰月
MOV A,R6 JB ACC.1,Y64 MOV 56H,#30H Y64:
MOV 57H,#05H CLR F0 LJMP S_PLAY Y61:
MOV A,R2 ;R2中为日的值 MOV R0,A LCALL D_BCD MOV 56H,A MOV 57H,#06H CLR F0 LJMP S_PLAY RY6:
CJNE R2,#00H,RY61
MOV 56H,#29H ;R2中为0，则为前一个月
MOV A,R6 ;的最后一天 JB ACC.0,RY62 MOV 56H,#30H RY62:
MOV 57H,#06H CLR F0
LJMP S_PLAY RY61:
MOV A,R2 ;R2中为日的值 MOV R0,A LCALL D_BCD MOV 56H,A MOV 57H,#06H SETB F0 LJMP S_PLAY Y7:
CJNE R2,#00H,Y71
LCALL CHECKRE ;查前一个月是否为闰月
CJNE A,#06H,Y72
MOV 56H,#29H ;前一个月是闰月 MOV A,R4 ;R2中为0，则为前一个月
ANL A,#0FH ;的最后一天 JNZ Y73 MOV 56H,#30H MOV 57H,#06H SETB F0 LJMP S_pLAY Y73:
MOV 57H,#06H
SETB F0 LJMP S_PLAY Y72:
MOV 56H,#29H ;前一个月不是闰月 MOV A,R6 JB ACC.0,Y74 MOV 56H,#30H Y74:
MOV 57H,#06H CLR F0 LJMP S_PLAY Y71:
MOV A,R2 ;R2中为日的值 MOV R0,A LCALL D_BCD MOV 56H,A MOV 57H,#07H CLR F0 LJMP S_PLAY RY7:
CJNE R2,#00H,RY71
MOV 56H,#29H ;R2中为0，则为前一个月
MOV A,R5 ;的最后一天 JB ACC.6,RY72
MOV 56H,#30H RY72:
MOV 57H,#07H CLR F0 LJMP S_PLAY RY71:
MOV A,R2 ;R2中为日的值 MOV R0,A LCALL D_BCD MOV 56H,A MOV 57H,#07H SETB F0 LJMP S_PLAY Y8:
CJNE R2,#00H,Y81
LCALL CHECKRE ;查前一个月是否为闰月
CJNE A,#07H,Y82
MOV 56H,#29H ;前一个月是闰月 MOV A,R4 ;R2中为0，则为前一个月
ANL A,#0FH ;的最后一天 JNZ Y83 MOV 56H,#30H MOV 57H,#07H
SETB F0 LJMP S_PLAY Y83:
MOV 57H,#07H SETB F0 LJMP S_PLAY Y82:
MOV 56H,#29H ;前一个月不是闰月 MOV A,R5 JB ACC.6,Y84 MOV 56H,#30H Y84:
MOV 57H,#07H CLR F0 LJMP S_PLAY Y81:
MOV A,R2 ;R2中为日的值 DL1MS: MOV R6,#14H DL1:
MOV R7,#19H DL2:
DJNZ R7,DL2 DJNZ R6,DL1