一个16×16点阵汉字显示.asm

基于Proteus的51系列单片机设计与仿真

        ORG    00H 
START:  MOV    A,#00H 
        MOV    P0,A          ;清除画面 
        ANL    P2,#00H 
        MOV    R2,#200 
D1:     MOV    R3,#0F8H     ;延一秒 
        DJNZ   R3,$ 
        DJNZ   R2,D1 
        MOV    20H,#00H     ;取码措针初值 
L1:     MOV    R1,#80H     ;每字停留时间 
L2:     MOV    R6,#16       ;每字16个码 
        MOV    R4,#00H      ;扫描初值 
        MOV    R0,20H       ;取码指针存入R0 
L3:     MOV    A,R4         ;扫描指针载入A 
        MOV    P1,A         ;扫描输出 
        INC    R4           ;扫描下一个 
        MOV    A,R0         ;取码指针载入A 
        MOV    DPTR,#TABLE  ;数据指针指到TABLE 
        MOVC   A,@A+DPTR    ;至TABLE取上半部数据码
        MOV    R7,A
        MOV    P0,A         ;输出至P0显示 
        INC    R0           ;取码指针加1 
        MOV    A,R0         ;取码指针载入A 
        MOV    DPTR,#TABLE  ;数据指针指到TABLE 
        MOVC   A,@A+DPTR    ;至TABLE取下半部数据码
        MOV    R7,A
        MOV    P2,A         ;输出数据码 
        INC    R0           ;取下一个码 
        MOV    R3,#02H      ;扫描时间1毫秒 
D2:     MOV    R5,#0F8H 
        DJNZ   R5,$ 
        DJNZ   R3,D2 
        MOV    A,#00H       ;清除屏幕 
        MOV    P0,A 
        ANL    P2,#00H 
        DJNZ   R6,L3        ;显示1个字了? 
        DJNZ   R1,L2        ;停留时间到了? 
        MOV    20H,R0       ;取码指针存入   20H地址 
	MOV    A,R7
        CJNE   A,#1BH,L1    ;是否取完了 
        JMP    START
TABLE:  DB 00H,88H,20H,8AH,20H,92H,20H,0B2H
        DB 0FFH,0D2H,2AH,92H,2AH,92H,2AH,0BEH
        DB 2AH,92H,2AH,92H,0FFH,0D2H,20H,0A2H
        DB 20H,0B2H,20H,9AH,00H,90H,00H,00H  ;"基"
        DB 02H,00H,02H,00H,42H,00H,42H,00H
        DB 42H,04H,42H,02H,42H,01H,7FH,0FEH
        DB 42H,00H,42H,00H,42H,00H,42H,00H
        DB 42H,00H,42H,00H,02H,00H,00H,00H   ;"于"
        DB 10H,04H,1FH,0FCH,10H,84H,10H,80H
        DB 10H,80H,10H,80H,0FH,00H,00H,00H   ;"P"
        DB 01H,04H,01H,04H,01H,0FCH,00H,84H
        DB 01H,04H,01H,00H,01H,80H,00H,00H   ;"r"
        DB 00H,00H,00H,0F8H,01H,04H,01H,04H
        DB 01H,04H,01H,04H,00H,0F8H,00H,00H  ;"o"
        DB 00H,00H,01H,00H,01H,00H,07H,0F8H
        DB 01H,04H,01H,04H,00H,00H,00H,00H   ;"t"
        DB 01H,00H,01H,0F8H,00H,04H,00H,04H
        DB 00H,04H,01H,08H,01H,0FCH,00H,04H  ;"u"
        DB 00H,00H,00H,0F8H,01H,44H,01H,44H
        DB 01H,44H,01H,44H,00H,0C8H,00H,00H  ;"e"
        DB 00H,00H,00H,0CCH,01H,24H,01H,24H
        DB 01H,24H,01H,24H,01H,98H,00H,00H   ; "s"
        DB 00H,00H,00H,00H,00H,00H,00H,00H
        DB 00H,00H,00H,00H,00H,00H,00H,00H
        DB 00H,00H,1FH,0FEH,31H,08H,0D1H,08H
        DB 11H,08H,1FH,0FCH,02H,00H,0CH,00H
        DB 0F1H,00H,10H,0C0H,10H,64H,10H,02H
        DB 10H,04H,1FH,0F8H,00H,00H,00H,00H  ;"的"
        DB 00H,10H,00H,10H,1FH,0D0H,14H,90H
        DB 94H,90H,74H,90H,54H,90H,1FH,0FFH
        DB 14H,90H,34H,90H,0D4H,90H,54H,90H
        DB 1FH,0D0H,00H,10H,00H,10H,00H,00H  ;"单"
        DB 00H,01H,00H,02H,00H,0CH,7FH,0F0H
        DB 08H,80H,08H,80H,08H,80H,08H,80H
        DB 08H,80H,0F8H,80H,08H,80H,08H,0FFH
        DB 08H,00H,18H,00H,08H,00H,00H,00H   ;"片"
        DB 10H,20H,10H,0C0H,13H,00H,0FFH,0FFH
        DB 12H,00H,11H,82H,10H,0CH,00H,30H
        DB 7FH,0C0H,40H,00H,40H,00H,40H,00H
        DB 7FH,0FCH,00H,02H,00H,1EH,00H,00H  ;"机"
        DB 02H,00H,04H,00H,08H,00H,37H,0FEH
        DB 0E0H,02H,50H,04H,10H,18H,10H,60H
        DB 9FH,80H,51H,08H,71H,04H,11H,02H
        DB 11H,04H,33H,0F8H,11H,00H,00H,00H  ;"仿"
        DB 00H,08H,20H,09H,20H,09H,20H,0AH
        DB 2FH,0FAH,2AH,0ACH,3AH,0A8H,0EAH,0A8H
        DB 2AH,0A8H,2AH,0ACH,2AH,0AAH,2FH,0FAH
        DB 20H,09H,60H,09H,20H,08H,00H,00H   ;"真"
	DB 1BH                               ;结束码
	RET
	END