基于单片机的定时闹钟设计(22)

INC 21H MOV A,21H

CJNE A,#3CH,GO11 MOV 21H,#00H MOV 32H,#00H MOV 33H,#00H LJMP L0

GO11:MOV B,#0AH DIV AB MOV 32H,B MOV 33H,A LJMP L0

GO12:MOV B,#0AH DIV AB MOV 34H,B MOV 35H,A LJMP L0 L2:JB K4,L0

LCALL XIAOZHEN3 MOV C,25H.0

JC AX

AX:CLR 25H.0 RET

SETATIME:LCALL DISPLAY2 ;调用闹钟设置，闹铃响时的显示程序 N0:LCALL DISPLAY2 JB K3,N1

LCALL XIAOZHEN6 MOV C,25H.0 JC A7

A7:CLR 25H.0 INC 24H MOV A,24H

CJNE A,#24,GO22 MOV 24H,#00H MOV 38H,#00H MOV 39H,#00H LJMP N0

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