MOVWF PORTD ;送命令
BSF E
NOP
NOP
BCF E
RETURN
;************************判断总线是否忙********************
;测忙碌子程序
;RS=0,RW=1,E=H,D0-D7=状态字
;**********************************************************
CHK_BUSY
BANKSEL TRISD
MOVLW 0FFH
MOVWF TRISD ;D口设置为输入
CLRF STATUS
MOVLW 0FFH
MOVWF PORTD
BCF RS
BSF RW
CHECK_BUSY_1
NOP
NOP
NOP
BSF E
NOP
NOP
NOP
BTFSS PORTD,7 ;D7为高表示总线忙，为低表示总线空闲
GOTO $+6
NOP
NOP
NOP
BCF E
GOTO CHECK_BUSY_1
BCF E
BANKSEL TRISD
CLRF TRISD ;恢复D口为输出
CLRF STATUS
RETURN
;***************************延时程序***************************
DELAY
MOVLW 0afH
MOVWF 20H
MOVLW 0ffh
MOVWF 21H
DECFSZ 21H,1
GOTO $-1
DECFSZ 20H,1
GOTO $-5
RETURN
;***************************延时程序1**************************
;显示闪烁用
DELAY1
MOVLW 05H
MOVWF 22H
CALL DELAY
DECFSZ 22H,1
GOTO $-2
RETURN
;***************************数据表格**************************
TAB1
MOVLW LOW(TAB1A) ;获取数据表头的低8位地址
ADDWF POINT,0 ;并上取数的低8位
MOVWF POINT2 ;转存到POINT2里
BTFSC STATUS,C ;判断低8位是否有溢出
INCF POINT3,1 ;是，高8位+1
MOVLW HIGH(TAB1A) ;获取数据表头的高8位地址
ADDWF POINT3,0
ADDWF POINT+1,0 ;并上取数的高8位
MOVWF PCLATH ;准备PC的高5位
MOVFW POINT2
MOVWF PCL ;准备PC的低8位
TAB1A: ; 数据表
DT 0X0F,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XC0,0X00,0X00
DT 0X18,0XFC,0XB7,0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X03,0XFF,0XFF,0XE0,0X00,0X00
DT 0X1E,0X7F,0X0C,0X00,0X00,0X07,0XFF,0XFF,0X80,0X00,0X0F,0XF8,0X7F,0XE0,0X03,0XC0
DT 0X1F,0XE7,0X80,0X00,0X00,0X7F,0XFF,0XFF,0XC0,0X00,0X7F,0XE1,0XFF,0XE0,0X0C,0X60
DT 0X1F,0X9B,0XE0,0X00,0X01,0XFF,0XFF,0XFF,0XF0,0X01,0X80,0X07,0XFF,0XE0,0X0C,0X60
DT 0X1F,0XCF,0XE0,0X00,0X1F,0XFF,0XFF,0XFF,0XF8,0X01,0X00,0X1F,0XFF,0XE0,0X0C,0X60
DT 0X13,0XE4,0XF0,0X00,0X7F,0XFF,0XFF,0XFF,0XFE,0X00,0X00,0XFF,0X0E,0X20,0X0C,0X60
DT 0X10,0XF0,0XF0,0X00,0XFF,0XFE,0XFF,0XFF,0XFF,0X00,0X00,0XF8,0X0E,0X20,0X0C,0X60
DT 0X1C,0X7C,0X38,0X01,0XEF,0XF4,0X0F,0XFF,0XFF,0X80,0X00,0X00,0X7F,0XE0,0X0C,0X60
DT 0X1F,0X1E,0X08,0X03,0X9F,0XC0,0X00,0XFE,0XFF,0XC0,0X00,0X07,0XFF,0XE0,0X0D,0X60
DT 0X1F,0X03,0X80,0X07,0X27,0X80,0X00,0X3F,0X3F,0XE0,0X00,0X7F,0XFF,0XE0,0X0D,0XE0
DT 0X1E,0XE0,0XC0,0X06,0X4F,0X00,0X00,0X3F,0XBF,0XF0,0X00,0XFE,0X1C,0X20,0X07,0XC0
DT 0X1F,0XF0,0X20,0X0E,0X4E,0X00,0X00,0X1F,0XCF,0XF8,0X00,0X00,0X7F,0XA0,0X00,0XC0
DT 0X1F,0XFE,0X00,0X0C,0X9C,0X00,0X00,0X0F,0XFF,0XF8,0X00,0X00,0X7F,0XE0,0X00,0XE0
DT 0X1F,0XFF,0X80,0X1D,0XF8,0X00,0X00,0X0F,0XF3,0XFC,0X00,0X3F,0X8E,0XE0,0X00,0X00
DT 0X1E,0X03,0X00,0X1F,0X78,0X00,0X00,0X07,0XC7,0XFC,0X00,0X0F,0X7F,0XA0,0X00,0X00
DT 0X1F,0X80,0X00,0X1B,0XF0,0X00,0X00,0X09,0XCF,0XFC,0X00,0X00,0X0F,0XE0,0X0F,0X00
DT 0X1F,0XFE,0X00,0X19,0XF0,0X00,0X00,0X07,0XC9,0XFE,0X00,0X07,0X1F,0XE0,0X06,0X00
DT 0X1F,0XFF,0XC0,0X0F,0XE0,0X00,0X00,0X03,0XC1,0XFE,0X00,0XFF,0XFF,0XE0,0X06,0X00
DT 0X1F,0XC0,0X40,0X0F,0XC0,0X00,0X00,0X03,0XE7,0XFE,0X00,0X9F,0XFF,0X20,0X06,0X00
DT 0X1F,0X00,0X00,0X0F,0XC0,0X00,0X00,0X07,0XE7,0XFC,0X00,0X0B,0XCF,0X20,0X06,0X00
DT 0X1F,0X78,0X00,0X0F,0XC0,0X00,0X00,0X07,0XE7,0XFC,0X00,0X00,0X0F,0XE0,0X06,0X00
DT 0X1F,0XFF,0X80,0X07,0XF0,0X00,0X00,0X03,0XEF,0XFC,0X00,0X00,0X3F,0XE0,0X06,0X00
DT 0X13,0XFF,0XE0,0X07,0XFE,0X01,0XE0,0X01,0XCF,0XFC,0X00,0X00,0X3F,0XE0,0X06,0X60
DT 0X1F,0XFC,0X00,0X07,0XE3,0X03,0XF8,0X06,0XDF,0XFC,0X00,0X1F,0XFE,0X60,0X06,0X60
DT 0X1F,0X80,0X00,0X03,0X80,0X80,0XC0,0X01,0XFF,0XF8,0X00,0X0F,0X3F,0XE0,0X0F,0XE0
DT 0X1C,0X00,0X00,0X01,0X80,0X41,0XC0,0X06,0XFF,0XF8,0X00,0X00,0XF3,0XE0,0X00,0X00
DT 0X13,0XFC,0X00,0X03,0XFC,0X41,0XFC,0X03,0X7F,0XF0,0X00,0X00,0X0F,0XE0,0X00,0X00
DT 0X1F,0XFF,0X00,0X03,0XFE,0X40,0XFF,0X00,0XFF,0XF0,0X00,0X07,0XFF,0XE0,0X07,0XC0
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本文关键字：程序 中文字库 PIC单片机，单片机-工控设备 - PIC单片机
