ORG 0000H
AJMP MAIN
ORG 0100H
MAIN: MOV R2,#50
MOV R1,#00H
MOV R3,#00H
MOV DPTR,#0000H
CLR C
D0: CALL ADCINT
CALL DISP
D1: JNB P2.3,KEY1
CALL DISP
JNB P2.2,KEY2
CALL DISP
LJMP D0
ADCINT: MOV R1,#30H
MOV DPTR,#7FF8H
MOV R7,#08H
LOOP:MOVX @DPTR,A
HER: JNB P3.0,HER
MOVX A,@DPTR
MOV @R1,A
INC DPTR
INC R1
DJNZ R7,LOOP
DISP: MOV A,R2
MOV B,#10
DIV AB
MOV 20H,A
MOV 21H,B
MOV DPTR,#TABLE
SETB P2.5
CLR P2.4
MOV A,20H
MOVC A,@A+DPTR
MOV P1,A
LCALL DELAY
SETB P2.4
CLR P2.5
MOV DPTR,#TABLE
MOV A,21H
MOVC A,@A+DPTR
MOV P1,A
LCALL DELAY
RET
DELAY: MOV R6,#5
D2: MOV R5,#249
DL0: NOP
NOP
DJNZ R5,DL0
DJNZ R6,D2
RET
DELAY1: MOV R6,#10
D3: MOV R5,#249
DL1: NOP
NOP
DJNZ R5,DL0
DJNZ R6,D3
RET
//¼ó1×ó3ìDò
KEY1:
JB P2.3,D1
MOV A,R2
INC A
MOV R2,A
RET
//¼õ1×ó3ìDò
KEY2:
JB P2.2,D1
MOV A,R2
DEC A
MOV R2,A
RET
TABLE: DB 3FH,06H,5BH,4FH,66H ;
DB 6DH,7DH,07H,7FH,6FH
END
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