test dasplay.txt

三星VFD显示程序 下载密码123456

       ;P1      EQU  DB(N)         ;Hardware setting
       ;P3.4    EQU  RS
       ;P3.5    EQU  R/W
       ;P3.3    EQU  E
       ORG      0000H
       AJMP     STAR
       ORG      0100H
STAR:  ACALL    PR4                 ;Initializing
       MOV      R2,#0FH             ;Flash mode    动态显示模式  R2为控制命令寄存器
       ACALL    PR1                 ;调用指令控制
       MOV      R2,#85H             ;Add(1,6)第一行第6个位置开始显示
       MOV      DPTR,#TAB           ;Character data
       MOV      R6,#0AH             ;count 显示的字母个数
       ACALL    PR5                 ;Display"WELCOME!!"  调用显示控制
       MOV      R2,#0C0H            ;Add(2.1)第2行第一个位置开始显示
       MOV      R6,#14H             ; count 显示的字母个数，R6为显示字数寄存器
       ACALL    PR5                 ; display "Test by hubiao"
       ACALL    TIM1                ;时间延迟
       MOV      R1,#14H             ;displacement count 20个位置数量
RLOOP: MOV      R2,#18H             ;right  display
       ACALL    PR1                 ;调用指令控制
       ACALL    TIM2
       DJNZ     R1,RLOOP            ;loop 判断整体20个位置是否移动完全
       MOV      R2,#01H             ;clear screen
       ACALL    PR1                 

STAR1: MOV      R2,#0EH             ;normal display mode 正常显示模式
       ACALL    PR1
       MOV      R2,#87H             ;add(1.7) 第一行第8个位置显示
       MOV      DPTR,#TAB1          ;character  tab
       MOV      R6,#07H             ;count 显示字体数量
       ACALL    PR5                 ;display"SAMSUNG"
       ACALL    TIM3
       MOV      R2,#0C0H            ;Add(2.1) 第二行第一个位置显示
       MOV      R6,#014H            ;count 显示字体数量
       ACALL    PR5                 ;display"DISPLAY  DEPAPTMENT"

STAR2: MOV      R2,#95H             ;add(1.22) 第一行接着上面显示，位置数据要顺序排列
       MOV      DPTR,#TAB2
       MOV      R6,#11H             ;count 显示字体数量
       ACALL    PR5                 ;Display"shenzhen Chn-Kor"
       MOV      R2,#0D4H            ;add(2.21) 第二行接着上面显示，位置数据要顺序排列
       MOV      R6,#14H             ;count  显示字体数量
       ACALL    PR5                 ;Display"Electronics company"
       MOV      R2,#08H             ;display off 关显示命令
       ACALL    PR1
       MOV      R1,#14H              ;loop count 20个位置数量
LLOOP: MOV      R2,#18H             ;left displace
       ACALL    PR1
       ACALL    TIM2
       DJNZ     R1,LLOOP            ;loop   判断整体左动显示是否完全
       MOV      R2,#0CH             ;display ON 开显示命令
       ACALL    PR1
       ACALL    TIM1

TEL:  MOV       R2,#01H             ;Clear screen
      ACALL     PR1
      MOV       R2,#07H             ;left displace
      ACALL     PR1
      MOV       R6,#14H             ;count
      MOV       R2,#94H             ;add(1.21)
      MOV       DPTR,#TAB3
      ACALL     PR5                 ;Display Tel.NO
      ACALL     TIM1

FAX:  MOV       R2,#01H
      ACALL     PR1
      MOV       R2,#05H              ;right displace
      ACALL     PR1
      MOV       R6,#14H
      MOV       R2,#0E7H             ;add(2.40)
      MOV       DPTR,#TAB4
      ACALL     PR5                  ;Display Fax.NO
      ACALL     TIM1
      AJMP      STAR

PR0:  ANL      P3,#00H               ;p3 set to 0
      Clr      P3.4
      SETB     P3.5
P01:  ORL      P1,#0FFH              ;p1 set to1(input)
      SETB     P3.3
      MOV      A,P1                   ;Read p1
      CLR      P3.3
      ACALL    TIM4
      JB        ACC.7,P01            ;Judge BF
      RET

PR1:  LCALL    PR0                    ;Write instruction program
       MOV     A,R2
       CLR     P3.4
       CLR     P3.5
       SETB    P3.3
       ACALL   TIM3
       MOV     P1,A
       CLR     P3.3
       ACALL   TIM4
       RET

PR2:   LCALL  PR0                     ;Write data program
       MOV    A,R2
       SETB   P3.4
       CLR    P3.5
       SETB   P3.3
       ACALL  TIM2
       MOV    P1,A
       CLR    P3.3
       ACALL  TIM4
       RET

PR3:  LCALL    PR0                   ;Read data program
      SETB     P3.4
      SETB     P3.5
      ORL      P1,#0FFH
      SETB     P3.3
      ACALL    TIM2
      MOV      A,P1
      ACALL    TIM3
      CLR      P3.3
      RET

PR4:  ANL      P3,#00H               ;Initialization program
      ANL      P1,#00H
      MOV      R7,03H                ;loop count
P41:  MOV      R2,#38H               ;Function control
      ACALL    PR1
      ACALL    TIM4
      DJNZ     R7,P41
      MOV      R2,#01H               ;Clear screen
      ACALL    PR1
      MOV      R2,#06H               ;Input mode setting
      ACALL    PR1
      MOV      R2,#0EH               ;Display mode setting
      ACALL    PR1
      RET

PR5:  ACALL    PR1
P51:  CLR       A
      MOVC     A,@A+DPTR            ;Write to display
      MOV      R2,A
      ACALL    PR2
      INC      DPTR
      DJNZ     R6,P51
      RET

TIM1: MOV      R5,#18H              ;Time delay
TT1:  ACALL    TIM2
      DJNZ     R5,TT1
      RET
TIM2: MOV       R4,#0FFH
TT2:  ACALL     TIM3
      DJNZ      R4,TT2
      RET
TIM3: MOV       R3,#25H
      ACALL     TIM4
TT3:  DJNZ      R3,TT3
TIM4: MOV       R0,#0FFH
TT4:  DJNZ      R0,TT4
      RET

TAB:  DB       57H,45H,4CH,43H,4FH,4DH,45H,20H,21H,21H    ;data
      DB       54H,65H,73H,74H,20H,20H,20H,20H,62H,79H
      DB       20H,20H,20H,20H,68H,75H,62H,69H,61H,6FH
TAB1: DB       53H,41H,4DH,53H,55H,4EH,47H
      DB       44H,49H,53H,50H,4CH,41H,59H,20H,20H,20H
      DB       44H,45H,50H,41H,52H,54H,4DH,45H,4EH,54H
TAB2: DB       20H,53H,68H,65H,6EH,7AH,68H,65H
      DB       6EH,20H,43H,68H,6EH,0B0H,6BH,6FH,72H
      DB       45H,6CH,65H,63H,74H,72H,6FH,6EH,69H,63H
      DB       73H,20H,20H,43H,6FH,6DH,70H,61H,6EH,79H
TAB3: DB       2AH,2AH,54H,65H,6CH,3AH,30H,37H,35H,35H
      DB       0B0H,32H,37H,32H,30H,39H,32H,37H,2AH,2AH,
TAB4: DB       2AH,2AH,36H,36H,32H,30H,32H,37H,32H,0B0H
      DB       35H,35H,37H,30H,3AH,78H,61H,46H,3AH,2AH

      END