myproj.asm

暑假为学生培训写的51相关接口的所有源码及项目代码

      RS   EQU  P2.2
      RW   EQU  P2.1
      E    EQU  P2.0
      CS1  EQU   P2.5
      CS2  EQU   P2.6
      RST  EQU   P2.7
      X     EQU   30H
      Y     EQU   31H 
;******************************以上是接口定义
START:
        ORG  0000H
        MOV  SP,#60H
    LJMP    MAIN        
;*********************************主程序入口地址   
        ORG  0100H
MAIN:

        mov DPTR,#09FFBh
        mov A,#10000001b
        movx @DPTR,A
        mov DPTR,#09FF8h
        mov A,#01010100b
        movx @DPTR,A 
       ;复位
       CLR  RST
       ;LCALL  DLY10
       SETB   RST
       ;清屏
       setb  CS2
       setb  CS1
       LCALL  CLEAR
       
       setb  CS2
       clr CS1
       LCALL  CLEAR
       
mov X,#0
mov R5,#08H
ag: 
        mov R1,#40H
        LCALL WRI
        MOV DPTR,#nAsciiDot ;您
        LCALL ouths
        inc x
        DJNZ  R5,ag

clr  CS2
setb  CS1
/*MOV R1,#0C0H ;START = 0 
LCALL WRI*/


MOV X,#0 ;x 
MOV Y,#8 ;y 
MOV DPTR,#HZI7 ;您
LCALL outhz

MOV X,#0
MOV Y,#40
MOV DPTR,#HZI8 ;好 
LCALL outhz

MOV X,#2
MOV Y,#16
MOV DPTR,#HZI1 ;远
LCALL outhz

MOV X,#2
MOV Y,#32
MOV DPTR,#HZI2 ;扬
LCALL outhz

MOV X,#4
MOV Y,#0
MOV DPTR,#HZI3 ;电
LCALL outhz

MOV X,#4
MOV Y,#16
MOV DPTR,#HZI4 ;子
LCALL outhz 

MOV X,#4
MOV Y,#32
MOV DPTR,#HZI5 ;公
LCALL outhz

MOV X,#4
MOV Y,#48
MOV DPTR,#HZI6 ;司 
LCALL outhz

LJMP  $



;取数显示子程序
outhz:
MOV  R0,#2
AJMP  NZ1
SEC:INC  X
;设置Y地址
NZ1:MOV  A,Y
ADD  A,#040H
MOV  R1,A
LCALL  WRI
;设置页地址
MOV  A,X
ADD  A,#0B8H
MOV  R1,A
LCALL  WRI

;取数
MOV R5,#16
HZ1: MOV A,#00H 
MOVC A,@A+DPTR 
MOV R1,A 
LCALL WRD
LCALL DLY10 
INC DPTR
DJNZ R5,HZ1
DJNZ R0,SEC

;开显示
MOV  R1,#00111111B
LCALL  WRI
;延时显示
MOV  R0,#5
RX:LCALL  DLY50
DJNZ  R0,RX
RET

;取数ASCII显示子程序
ouths:
MOV  R0,#60

;设置页地址
MOV  A,X
ADD  A,#0B8H
MOV  R1,A
LCALL  WRI

;取数
SECs:
HZ1s: MOV A,#00H 
MOVC A,@A+DPTR 
MOV R1,A 
LCALL WRD
LCALL DLY10 
INC DPTR
DJNZ R0,SECs

;开显示
MOV  R1,#00111111B
LCALL  WRI
;延时显示
MOV  R0,#5
RXs:LCALL  DLY50
DJNZ  R0,RXs
RET
;清屏子程序
CLEAR:
        MOV  R2,#8
        MOV  X,#0B8H
CLR1:
        MOV  R1,X
        LCALL  WRI
        MOV  R1,#040H
        LCALL  WRI
        MOV  R1,#00H
        MOV  R0,#64
CLR2:        
        LCALL  WRD
        DJNZ  R0,CLR2
        INC  X
        DJNZ  R2,CLR1
RET

WRI: ;写指令子程序 
CLR  E
CLR  RW
CLR  RS
MOV  P0,R1
SETB E
LCALL  DLY10
CLR  E
RET

WRD: ;写数据子程序
CLR  E
CLR  RW
SETB  RS
MOV  P0,R1
SETB E
LCALL  DLY10
CLR  E
RET


;延时10US
DLY10:MOV R3,#5
DJNZ  R3,$
RET
;延时1S
DLY50:MOV R3,#01H
DL111:MOV R4,#0AFH
DL222:MOV R6,#0FFH
DL333:DJNZ R6,DL333
DJNZ R4,DL222
DJNZ R3,DL111
RET

;延时2S
DLY100:MOV R3,#02H
DL11:MOV R4,#0FFH
DL22:MOV R6,#0FFH
DL33:DJNZ R6,DL33
DJNZ R4,DL22
DJNZ R3,DL11
RET

ORG 0340H 
HZI1: ;汇

db 20h, 42h,0C4h, 0Ch, 00h,0FCh, 04h, 04h
	db	 04h, 04h, 04h, 04h, 04h, 06h, 04h, 00h
	db	 04h, 04h,0FCh, 02h, 01h, 7Fh, 40h, 40h
	db	 40h, 40h, 40h, 40h, 40h, 60h, 40h, 00h


HZI2: ;友
db 08h, 08h, 08h, 08h,0C8h, 7Fh, 48h, 48h
	db	 48h, 48h, 48h,0C8h, 08h, 0Ch, 08h, 00h
	db	 10h, 88h, 84h, 43h, 40h, 21h, 22h, 14h
	db	 08h, 14h, 23h, 20h, 40h,0C0h, 40h, 00h

HZI3: ;电
DB 00H,0f8H, 48H, 48H, 48H, 48H,0ffH, 48H, 48H, 48H, 48H,0fcH, 08H, 00H, 00H, 00H
DB 00H, 07H, 02H, 02H, 02H, 02H, 3fH, 42H, 42H, 42H, 42H, 47H, 40H, 70H, 00H, 00H
HZI4: ;子
DB 80H, 80H, 82H, 82H, 82H, 82H, 82H,0e2H,0a2H, 92H, 8aH, 86H, 80H,0c0H, 80H, 00H
DB 00H, 00H, 00H, 00H, 00H, 40H, 80H, 7fH, 00H, 00H, 00H, 00H, 00H, 00H, 00H, 00H
HZI5: ;公
DB 00H, 00H, 80H, 40H, 30H, 0cH, 00H,0c0H, 06H, 18H, 20H, 40H, 80H, 80H, 80H, 00H
DB 01H, 01H, 00H, 30H, 28H, 24H, 23H, 20H, 20H, 28H, 30H, 60H, 00H, 01H, 00H, 00H
HZI6: ;司
DB 10H, 10H, 92H, 92H, 92H, 92H, 92H, 92H,0d2H, 9aH, 12H, 02H,0ffH, 02H, 00H, 00H
DB 00H, 00H, 3fH, 10H, 10H, 10H, 10H, 10H, 3fH, 00H, 40H, 80H, 7fH, 00H, 00H, 00H
HZI7: ;您
DB 40H, 20H, 10H,0fcH, 23H, 10H, 8cH, 67H, 04H,0f4H, 04H, 44H, 94H, 8cH, 00H, 00H
DB 40H, 30H, 00H, 77H, 80H, 81H, 88H, 92H,0b4H, 83H, 80H,0e0H, 00H, 11H, 60H, 00H
HZI8: ;好
DB 10H, 10H,0f0H, 1fH, 10H,0f0H, 80H, 82H, 82H, 82H,0e2H, 92H, 8aH,0c6H, 80H, 00H
DB 40H, 22H, 15H, 08H, 14H, 63H, 00H, 00H, 40H, 80H, 7fH, 00H, 00H, 00H, 00H, 00H


nAsciiDot:                                               ; 数据表
	db	 00h,3Eh, 51h, 49h, 45h, 3Eh  ; -0-
	db	 00h,00h, 42h, 7Fh, 40h, 00h  ; -1-
	db	 00h,62h, 51h, 49h, 49h, 46h  ; -2-
	db	 00h,21h, 41h, 49h, 4Dh, 33h  ; -3-
	db	 00h,18h, 14h, 12h, 7Fh, 10h  ; -4-
	db	 00h,27h, 45h, 45h, 45h, 39h  ; -5-
	db	 00h,3Ch, 4Ah, 49h, 49h, 31h  ; -6-
	db	 00h,01h, 71h, 09h, 05h, 03h  ; -7-
	db	 00h,36h, 49h, 49h, 49h, 36h  ; -8-
	db	 00h,46h, 49h, 49h, 29h, 1Eh  ; -9-


END