dayin2.asm

单片机控制微型打印机的源程序

  ORG    0000H
LJMP   MAIN

ORG    0030H
MAIN: ; CLR   P3.2
      ; MOV   PCON,#80H
       MOV   TMOD,#20H
       MOV   SCON,#50H
       MOV   TH1,#0E8H
       MOV   TL1,#0E8H
       SETB  TR1
       SETB  ES
       SETB  EA
       ACALL DELAY10MS
       ACALL DELAY10MS
       ACALL DELAY10MS
       ACALL DELAY10MS
       MOV   R0,#54
       MOV   DPTR,#DATATABLE
LOOP:  CLR   A
HERE:  JB    P1.0,HERE
       ACALL DELAY10MS
       JB    P1.0,HERE
       NOP
       NOP
       NOP
       MOVC  A,@A+DPTR
       ACALL SEND
       INC   DPTR
       DJNZ  R0,LOOP
       AJMP  $
SEND: ; MOV   P1,A
      ;MOVX  @DPTR,A
       MOV   SBUF,A
       JNB   TI,$
       CLR   TI
       RET
DELAY10MS:
       MOV   R1,#5FH
LOOP2: MOV   R2,#5FH
LOOP1: DJNZ  R2,LOOP1
       DJNZ  R1,LOOP2
       RET
DATATABLE:
     DB 1BH,6CH,00H,'E','S','C',',','4','B','H','1','5','+','0',0DH,0AH
     DB '帅','金','泉','是','浙'
     DB '帅','哥','哈','哈','哈'
     DB 1BH,38H,03H
     DB 0D6H,0D0H,0B9H,0FAH,0C8H,0CBH,0C3H,0F1H
     DB 0BDH,0E2H,0B7H,0C5H,0BEH,0FCH,0DH,0AH
     DB 1BH,38H,02H
     DB 0D6H,0D0H,0B9H,0FAH,0C8H,0CBH,0C3H,0F1H
     DB 0BDH,0E2H,0B7H,0C5H,0BEH,0FCH,0DH,0AH


     END