花样流水灯(汇编).doc

花样流水灯程序（汇编） 汇编起始命令统一为：ORG 0000H LJMP MAIN ORG 0100H 延时程序统一为： DELAY: MOV R7, #10 （延时500ms） DLY2: MOV R6, #200 DLY1: MOV R5, #125 DJNZ R5, $ DJNZ R6, DLY1 DJNZ R7, DLY2 RET 注：不可少 1.普通流水灯 MAIN: MOV A, #0FEH LOOP0: MOV R1,#10H LOOP1: MOV P1,A LCALL DELAY RL A DJNZ R1,LOOP1 LCALL DELAY 注：每循环一次延时长一些，以便观察 LCALL DELAY SJMP LOOP0 2.L1亮到L8，L8灭到L1 MAIN: MOV A, #0FEH LOOP0：MOV R1, #15 LOOP1: MOV P1, A LCALL DELAY RL A DEC R1 CJNE R1, #07H,LOOP1 RR A LOOP2: RR A MOV P1, A LCALL DELAY DJNZ R1, LOOP2 LCALL DELAY LCALL DELAY SJMP LOOP0 MAIN: MOV A, #0FEH LOOP0: MOV R1, #08 MOV R2, #08 LOOP1: MOV P1, A LCALL DELAY RL A DEC R1 DJNZ R1, LOOP1 RR A LOOP2: RR A MOV P1, A LCALL DELAY DJNZ R2, LOOP2 LCALL DELAY LCALL DELAY SJMP LOOP03.L1到L8逐个亮灭 MAIN: MOV A, #0FEH LOOP0: MOV R1, #0FEH MOV R2, #15 LOOP1: MOV P1, A LCALL DELAY RL A ANL A, R1 DEC R2 CJNE R2, #07H,LOOP1 注：以上是让灯从1亮到8 MOV R1, #80H LOOP2: ORL A, R1 MOV P1, A LCALL DELAY RR A DJNZ R2, LOOP2 RL A LCALL DELAY LCALL DELAY SJMP LOOP0 4 MAIN: MOV A,#0FEH LOOP0: MOV R1,#08H LOOP1: MOV P1, A LCALL DELAY RL A RL A DEC R1 CJNE R1,#04H ,LOOP1 MOV A, #0FDH LOOP2: MOV P1, A LCALL DELAY RL A RL A DJNZ R1, LOOP2 RR A SJMP LOOP0 5.逐个闪烁 MAIN: MOV A, #0FEH LOOP0: MOV R1,#10H LOOP1: MOV P1,A LCALL DELAY MOV P1, #0FFH LCALL DELAY RL A DJNZ R1,LOOP1 LCALL DELAY LCALL DELAY SJMP LOOP0 6.流水灯四个四个地亮 花样I MAIN: MOV A, #0F0H LOOP0: MOV R1, #09H LOOP1: MOV P1, A LCALL DELAY RL A 花样II MAIN: MOV A, #0F0H LOOP0: MOV R1, #040H LOOP1: MOV P1, A LCALL DELAY SWAP A DJNZ R1, LOOP1 LCALL DELAY DEC R1 CJNE R1,#05H,LOOP1 LOOP2: MOV P1, A LCALL DELAY RR A DJNZ R1,LOOP2 RL A LCALL DELAY LCALL DELAY SJMP LOOP0 LCALL DELAY SJMP LOOP0 7.全亮全灭 MAIN: LOOP0: MOV R1, #04H LOOP1: MOV P1, #00H LCALL DELAY MOV P1, #0FFH LCALL DELAY DJN