main.asm

自制单片机实验板.rar

;*****************************************************
;
;     This programme is for study Ver2.0.0 beta
;            The main control programe
;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
;
;*****************************************************

;*****************************************************
;参数定义
;*****************************************************

beep                    bit     p1.5                    ;蜂鸣器引脚
digital_bit             equ     08h                     ;显示位
keys_byte               equ     09h                     ;按键字节
digital_flash_time      equ     0ah                     ;闪烁计时
digital_flash_bit       equ     0bh                     ;闪烁位
aleart_data             equ     0ch                     ;时间报警字节(连续两字节)
aleart_byte             equ     0eh                     ;报警设置字节
digital_byte            equ     10h                     ;显存首址，连续8字节为显存
date_data               equ     20h                     ;时钟数据首地址

;*****************************************************
;主程序
;*****************************************************

                        org	0000h
                        jmp	start

                        org     000bh
                        jmp     time_int

                        org     0013h
                        jmp     keys_int

                        org	0030h
start:                  mov     p0,#0
                        mov     p1,#0fh
                        mov     p2,#0
                        mov     p3,#0ffh

                        mov	sp,#60h                 ;堆栈地址
                        mov     r0,#7fh                ;Clear the ram
                        clr     a
main_clear0:            mov     @r0,a
                        djnz    r0,main_clear0

                        mov     digital_bit,#1

                        mov     r0,#aleart_data             ;默认的报警时间
                        mov     @r0,#00h                    ;分
                        inc     r0
                        mov     @r0,#07h                    ;时

                        call    timer_set
                        call    iicread
                        setb    ex0
                        setb    ex1
                        setb    ea
                        call    beep1
main_wait:              call    digital
                        mov     a,keys_byte
                        cjne    a,#0,keysmanagement
                        jmp     main_wait

keysmanagement:         call    keys_management
                        mov     keys_byte,#0
                        jmp     main_wait

;*****************************************************
;子程序文件载入
;*****************************************************

                        include "iic.asm"

                        include "beep.asm"

                        include "keysmanagement.asm"

                        include "timer.asm"

                        include "display.asm"

                        include "time_int.asm"

                        include "aleart_check.asm"

end