time_int.asm

自制单片机实验板.rar

;*****************************************************
;
;     This programme is for study Ver2.0.0 beta
;            The Timer int programme
;This programme must be run in 12MHz standard settings
;               Designer: Mr.Koii
;           Copyright 2002 koiistudio
;     2003.03.31 at Changsha. H.N. P.R.China.
;
;*****************************************************

;*****************************************************
;时钟中断处理程序
;*****************************************************

time_int:               clr     ea
                        clr     ie1
                        clr     digital_bit
                        push    a
                        push    b
                        call    iicread
                        call    aleart_check
                        pop     b
                        pop     a
                        setb    digital_bit
                        setb    ea
                        reti