111.asm

编的一些控制显示屏的测试程序,大家都交流!

;调试成功，很好。
                ORG     0000H
                LJMP    ST
                org     000bh
                ljmp    ds0ZD
                org   0030h
         st:    mov r2,#0
                mov r3,#0
                 mov r4,#0
                  mov r5,#0
                  mov dptr,#tab
                  MOV TMOD,#01H
                  MOV TH0,#70h
                  MOV TL0,#00h
                  SETB EA
                  SETB ET0
                  SETB TR0
 tt:              Cpl p0.6     ;绿色
                  Cpl p0.7     ;红色
                  call lyx
                  CPL p0.6
                  CPL p0.7
         main:    mov a,r2
                  movc A,@A+DPTR
                  call hssj
                  INC R2
                  mov a,r2
                  MOVC A,@A+DPTR
                  call hssj
                  CLR P0.0
                  NOP
                  SETB P0.0
                  MOV 7AH,#130
                  DJNZ 7AH,$
                  MOV A,#0
                  call hssj
                  mov a,#0
                  call hssj
                  clr p0.0
                  nop
                  setb p0.0
                  INC R2
                  call lyx
                  CJNE R2,#32,MAIN
                  mov r2,#0
                  ljmp tt
          lyx:   CLR P2.1
                 NOP
                 SETB P2.1
                 CLR  P2.0
                 NOP
                 SETB P2.0
                 ret
           hssj:  mov 60h,#8
            DD1: RlC A
                 MOV P0.4,C
                 CLR P0.1
                 NOP
                 SETB P0.1
                 djnz 60h,dd1
                 ret
   DS0ZD:       CLR TR0
                PUSH ACC
                push PSW
                MOV TH0,#70h
                MOV TL0,#00h
                INC R4
                CJNE R4,#3,LP
                MOV r4,#0
                ;********************
                inc dptr
                inc dptr
                INC R5
                CJNE R5,#16,lp
                MOV R5,#0
               ; inc r6
                ;CJNE R6,#1,LP
                ;MOV R6,#0
                mov dptr,#tab
                ;**********************
            LP: POP PSW
                POP ACC
                SETB  TR0
                RETI
TAB:
;第1屏爱你一万年！;***********************************
DB 00H 40H 40H 20H 0B2H 0A0H 96H 90H
DB 9AH 4CH 92H 47H 0F6H 2AH 9AH 2AH
DB 93H 12H 91H 1AH 99H 26H 97H 22H
DB 91H 40H 90H 0C0H 30H 40H 00H 00H
DB 00H 40H 40H 20H 0B2H 0A0H 96H 90H
DB 9AH 4CH 92H 47H 0F6H 2AH 9AH 2AH
DB 93H 12H 91H 1AH 99H 26H 97H 22H
DB 91H 40H 90H 0C0H 30H 40H 00H 00H

end