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📄 西华大学.txt

📁 LED点阵显示(汇编格式) 由于在行扫描的时候
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;----------数据串输出子程序-----
;-----定义P1.0为移位时钟  
;-----定义P1.1为锁存时钟 
;-----定义P1.2为红色显示串行输出数据 
;-----定义P1.3为绿色显示串行输出数据 
;---R3 定义为字符编码相对地址 
;--R2 为行 相对地址 
;----R1为一字符的第几位 
CP    EQU   P1.0
SCK   EQU   P1.1
Red   EQU   P1.2
Greed EQU   P1.3
Gen1   EQU   P1.4
Gen2   EQU   P3.5
A1    EQU   P1.5
B1    EQU   P1.6
C1    EQU   P1.7
G1    EQU   P3.7
;--------------------------------
  ORG  0000H
AJMP  START
    ORG  0100H
START:
MOV    SP,#70H  ;初始指针为70H
MOV    A, #00H
    SETB Gen1
    CLR  Gen2
CLR     G1  ;G2B之高，选择上半屏  
  SETB Red
SETB   Greed 
MOV  R3,#00
MOV  40H,#00H
MOV  41H,#00H
MOV  42H,#00H   ;换半屏比较位     
MOV  43H,#00H  ;换屏比较位 
   
MAIN:
ACALL   SendData
AJMP     MAIN
SendData:

ACALL  Sendhang    
INC  40H
INC  40H
INC   40H
INC   40H
MOV   A,40H
CJNE  A,#128,L2
MOV    40H,#00H
L2: RET
Sendhang:
MOV DPTR,#CHANL1
MOV  A,40H
MOVC A,@A+DPTR
ACALL  SendByte
MOV DPTR,#CHANL1
MOV  A,40H
INC  A
MOVC A,@A+DPTR 
ACALL  SendByte

  MOV DPTR,#CHANL1
MOV  A,40H
INC  A
INC  A
MOVC A,@A+DPTR
ACALL  SendByte
MOV DPTR,#CHANL1
MOV  A,40H
INC  A
INC  A
INC  A
MOVC A,@A+DPTR 
ACALL  SendByte

MOV DPTR,#CHANL2
MOV  A,40H
MOVC A,@A+DPTR
ACALL  SendByte
MOV DPTR,#CHANL2
MOV  A,40H
INC  A
MOVC A,@A+DPTR 
   ACALL  SendByte
MOV DPTR,#CHANL2
MOV  A,40H
INC  A
INC  A
MOVC A,@A+DPTR
ACALL  SendByte
MOV DPTR,#CHANL2
MOV  A,40H
INC  A
INC  A
INC  A
MOVC A,@A+DPTR 
ACALL  SendByte
;-------------------------------------
  MOV DPTR,#CHANL3
MOV  A,40H
MOVC A,@A+DPTR
ACALL  SendByte
MOV DPTR,#CHANL3
MOV  A,40H
INC  A
MOVC A,@A+DPTR 
   ACALL  SendByte
MOV DPTR,#CHANL3
MOV  A,40H
INC  A
INC  A
MOVC A,@A+DPTR
ACALL  SendByte
MOV DPTR,#CHANL3
MOV  A,40H
INC  A
INC  A
INC  A
MOVC A,@A+DPTR 
ACALL  SendByte

MOV DPTR,#CHANL4
MOV  A,40H
MOVC A,@A+DPTR
ACALL  SendByte
MOV DPTR,#CHANL4
MOV  A,40H
INC  A
MOVC A,@A+DPTR 
   ACALL  SendByte
MOV DPTR,#CHANL4
MOV  A,40H
INC  A
INC  A
MOVC A,@A+DPTR
ACALL  SendByte
MOV DPTR,#CHANL4
MOV  A,40H
INC  A
INC  A
INC  A
MOVC A,@A+DPTR 
ACALL  SendByte
;---------------------------------------
CLR   SCK   ;锁存数据 
NOP
SETB   SCK
  ACALL  SCAN
RET
SendByte:
    MOV  R1,#08H  
CPL   A                                                                    
L1:
CLR   CP
RLC   A
MOV   Red,C
MOV   Greed,C
SETB   CP
DJNZ   R1,L1
RET
;--------------------------------
;换屏------------------------------
Huanping:
INC   43H
MOV    A,43H
CJNE  A,#02H,HP1
CPL    Gen1
CPL    Gen2
MOV    43H,#00
HP1:RET
;----串行点阵行扫描子程序   ---------
;----P1.4位行扫描时能引脚G2B ,低电平有效 
;----P1.5为行扫描编码地址A 
;----P1.6为行扫描编码地址B 
;----P1.7为行扫描编码地址C 
;----P3.7为行扫描使能引脚G1，高电平有效 
;---------------------------------------------
SCAN:
MOV  A,42H
CJNE A,#08,HANGOUT;扫描8行后 ，对扫描使能信号G1去反 
MOV  42H,#00H
CPL  G1
ACALL   Huanping
HANGOUT:
MOV  A,42H
RL   A
RL   A
RL   A
RL   A
RL   A
    ANL  P1,#1FH
ORL  P1,A 
  NOP
ACALL DELAY
INC   42H 
   RET
;---------------------------------
;------延时子程序 ----------------
DELAY:
   SETB RS1
   MOV      R5, #5
L4:
   MOV      R4,#2
L3:
   MOV      R3,#2
   DJNZ     R3,$
   DJNZ     R4,L3
   DJNZ     R5,L4
   CLR     RS1 
   RET   
CHANL1:
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 00FH, 080H;
DB 000H, 001H, 0FFH, 0C0H;
DB 000H, 07FH, 0FFH, 0C0H;
DB 000H, 07FH, 0FFH, 000H;
DB 000H, 03CH, 01CH, 000H;
DB 000H, 006H, 01CH, 000H;
DB 000H, 007H, 09CH, 000H;
DB 000H, 003H, 0BFH, 0F8H;
DB 000H, 007H, 0F8H, 03FH;
DB 000H, 07FH, 030H, 01FH;
DB 003H, 0E3H, 038H, 01EH;
DB 003H, 083H, 01FH, 01EH;
DB 003H, 087H, 01FH, 01EH;
DB 001H, 09EH, 00CH, 01EH;
DB 001H, 080H, 000H, 03CH;
DB 000H, 0C1H, 0FEH, 03CH;
DB 000H, 0FFH, 0FEH, 03CH;
DB 000H, 07FH, 0FEH, 078H;
DB 000H, 01CH, 003H, 0F0H;
DB 000H, 000H, 001H, 0F0H;
DB 000H, 000H, 000H, 060H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;"西"0
CHANL2:
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 00CH, 000H;
DB 000H, 003H, 00EH, 000H;
DB 000H, 003H, 08EH, 000H;
DB 000H, 007H, 00EH, 0E0H;
DB 000H, 006H, 00DH, 0F0H;
DB 000H, 00CH, 00FH, 080H;
DB 000H, 01CH, 00FH, 000H;
DB 000H, 01EH, 01CH, 000H;
DB 000H, 03EH, 07CH, 008H;
DB 000H, 076H, 00CH, 018H;
DB 000H, 0C6H, 00CH, 018H;
DB 000H, 006H, 007H, 0FCH;
DB 000H, 006H, 007H, 0F8H;
DB 000H, 006H, 020H, 000H;
DB 000H, 000H, 038H, 000H;
DB 000H, 000H, 07FH, 0FFH;
DB 000H, 03FH, 0FFH, 0FFH;
DB 007H, 0FFH, 0F8H, 000H;
DB 00FH, 000H, 030H, 000H;
DB 000H, 000H, 030H, 000H;
DB 000H, 000H, 030H, 000H;
DB 000H, 000H, 030H, 000H;
DB 000H, 000H, 030H, 000H;
DB 000H, 000H, 030H, 000H;
DB 000H, 000H, 030H, 000H;
DB 000H, 000H, 030H, 000H;
DB 000H, 000H, 030H, 000H;
DB 000H, 000H, 030H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;"华"1
CHANL3:
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 070H, 000H;
DB 000H, 000H, 070H, 000H;
DB 000H, 000H, 070H, 000H;
DB 000H, 000H, 060H, 000H;
DB 000H, 000H, 060H, 000H;
DB 000H, 000H, 060H, 000H;
DB 000H, 000H, 060H, 000H;
DB 000H, 000H, 060H, 080H;
DB 000H, 000H, 0E7H, 080H;
DB 000H, 000H, 0FFH, 080H;
DB 000H, 003H, 0FFH, 080H;
DB 000H, 07FH, 0FCH, 000H;
DB 000H, 07FH, 0F8H, 000H;
DB 000H, 07FH, 0E0H, 000H;
DB 000H, 031H, 0F0H, 000H;
DB 000H, 001H, 0F8H, 000H;
DB 000H, 003H, 0FCH, 000H;
DB 000H, 003H, 01FH, 000H;
DB 000H, 007H, 007H, 080H;
DB 000H, 00EH, 001H, 0C0H;
DB 000H, 01CH, 000H, 0F8H;
DB 000H, 078H, 000H, 07FH;
DB 003H, 0E0H, 000H, 07FH;
DB 00FH, 0C0H, 000H, 07FH;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;"大"2
CHANL4:
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 080H;
DB 000H, 000H, 061H, 0C0H;
DB 000H, 001H, 0E3H, 0C0H;
DB 000H, 030H, 0C3H, 000H;
DB 000H, 038H, 006H, 000H;
DB 000H, 03CH, 00CH, 000H;
DB 000H, 000H, 01FH, 080H;
DB 000H, 001H, 0FFH, 070H;
DB 000H, 007H, 0E0H, 008H;
DB 000H, 07EH, 000H, 00EH;
DB 000H, 000H, 03EH, 01FH;
DB 003H, 001H, 0E7H, 0FEH;
DB 00FH, 00FH, 0C7H, 000H;
DB 00FH, 00EH, 018H, 000H;
DB 000H, 000H, 038H, 000H;
DB 000H, 000H, 03FH, 0F8H;
DB 000H, 000H, 0FFH, 0FCH;
DB 000H, 00FH, 0FCH, 004H;
DB 000H, 07FH, 0F8H, 000H;
DB 000H, 0E0H, 018H, 000H;
DB 000H, 000H, 018H, 000H;
DB 000H, 000H, 018H, 000H;
DB 000H, 000H, 038H, 000H;
DB 000H, 000H, 038H, 000H;
DB 000H, 000H, 038H, 000H;
DB 000H, 007H, 0F0H, 000H;
DB 000H, 000H, 070H, 000H;
DB 000H, 000H, 000H, 000H;
DB 000H, 000H, 000H, 000H;"学"3

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