有错吗?是一个汇编的流水灯
时间:10-02
整理:3721RD
点击:
ORG 2000H
AJMP START
ORG 201BH ;
JMP IT11
START: MOV A, #05H ;
MOV R1,#02H ;
MOV R0, #08H ;
ANL TMOD,#0FH;
ORL TMOD,#10H
MOV TL1, #0DCH;
MOV TH1, #0CH
ORL IE, #88H;
SETB TR1;
LOOP1: CJNE R0,#00,DISP
MOV R0,#08H ;
INC R1;
CJNE R1, #0AH, LOOP2
MOV R1,#02H
LOOP2: MOV A,R1;
MOVC A, @A+PC
AJMP DISP
DB 05H
DB 0AH
DB 50H
DB 0A0H
DB 55H
DB 0AAH
DB 0FFH
DB 00H
DISP: MOV P1, A;
JMP LOOP1
IT11: CLR TR1;
DEC R0;
MOV TL1, #0DCH;
MOV TH1, #0CH
SETB TR1;
RETI;
END
AJMP START
ORG 201BH ;
JMP IT11
START: MOV A, #05H ;
MOV R1,#02H ;
MOV R0, #08H ;
ANL TMOD,#0FH;
ORL TMOD,#10H
MOV TL1, #0DCH;
MOV TH1, #0CH
ORL IE, #88H;
SETB TR1;
LOOP1: CJNE R0,#00,DISP
MOV R0,#08H ;
INC R1;
CJNE R1, #0AH, LOOP2
MOV R1,#02H
LOOP2: MOV A,R1;
MOVC A, @A+PC
AJMP DISP
DB 05H
DB 0AH
DB 50H
DB 0A0H
DB 55H
DB 0AAH
DB 0FFH
DB 00H
DISP: MOV P1, A;
JMP LOOP1
IT11: CLR TR1;
DEC R0;
MOV TL1, #0DCH;
MOV TH1, #0CH
SETB TR1;
RETI;
END