基于单片机的定时闹钟设计(17)

JB K1,M1 ; 判断按键是否按下 LCALL XIAOZHEN1 ; 调用消抖程序 MOV C,25H.0 JC A1

A1:CLR 25H.0

LCALL SETTIME ; 调用设置现在时间子程序 LJMP LOOP M1:JB K2,M2

LCALL XIAOZHEN2 MOV C,25H.0 JC A2

A2:CLR 25H.0

LCALL SETATIME ; LJMP LOOP M2:JB K4,M3

A3:LCALL XIAOZHEN3 MOV C,25H.0 JC A4

A4:CLR 25H.0 M3:LJMP LOOP SETTIME: L0:LCALL DISPLAY1 JB K2,L1

LCALL XIAOZHEN4 MOV C,25H.0 JC A5

A5:CLR 25H.0 INC 22H MOV A,22H

CJNE A,#18H,GO12 MOV 22H,#00H MOV 34H,#00H MOV 35H,#00H LJMP L0 L1:JB K3,L2

LCALL XIAOZHEN5 MOV C,25H.0 JC A6

调用设置闹钟的程序