aleart_check.asm

来自「自制单片机实验板.rar」· 汇编 代码 · 共 32 行

;*****************************************************
;
;     This programme is for study Ver2.0.0 beta
;         The Timer aleart check programme
;This programme must be run in 12MHz standard settings
;               Designer: Mr.Koii
;           Copyright 2002 koiistudio
;     2003.03.29 at Changsha. H.N. P.R.China.
;
;*****************************************************

;*****************************************************
;时间报警校验程序
;*****************************************************

aleart_check:           mov     a,#date_data
                        add     a,#3
                        mov     r0,a
                        mov     r1,#aleart_data
                        mov     a,@r0
                        mov     r3,a
                        mov     a,@r1
                        cjne    a,03h,aleart_check_ret
                        inc     r0
                        inc     r1
                        mov     a,@r0
                        mov     r3,a
                        mov     a,@r1
                        cjne    a,03h,aleart_check_ret
                        call    beep3
aleart_check_ret:       ret