单片机汇编语言控制四位数码管循环显示0123到9012

ORG 0000H SJMP MAIN ORG 0050H MAIN:

MOV R1,#1 LOOP2:MOV R2,#100 LOOP1:MOV P2,#0FEH

MOV P0,#3FH ;SHOW'0' ACALL DELAY1 MOV P2,#0FDH

MOV P0,#06H ;SHOW'1' ACALL DELAY1 MOV P2,#0FBH

MOV P0,#5BH ;SHOW'2' ACALL DELAY1 MOV P2,#0F7H

MOV P0,#4FH ;SHOW'3' ACALL DELAY1 DJNZ R2,LOOP1 DJNZ R1,LOOP2

MOV R1,#1 LOOP4:MOV R2,#100 LOOP3:MOV P2,#0FEH

MOV P0,#06H ;SHOW'1' ACALL DELAY1 MOV P2,#0FDH

MOV P0,#5BH ;SHOW'2' ACALL DELAY1 MOV P2,#0FBH

MOV P0,#4FH ;SHOW'3' ACALL DELAY1 MOV P2,#0F7H

MOV P0,#66H ;SHOW'4' ACALL DELAY1 DJNZ R2,LOOP3 DJNZ R1,LOOP4

MOV R1,#1 LOOP6:MOV R2,#100 LOOP5: MOV P2,#0FEH

MOV P0,#5BH ;SHOW'2' ACALL DELAY1

MOV P2,#0FDH

MOV P0,#4FH ;SHOW'3' ACALL DELAY1 MOV P2,#0FBH

MOV P0,#66H ;SHOW'4' ACALL DELAY1 MOV P2,#0F7H

MOV P0,#6DH ;SHOW'5' ACALL DELAY1 DJNZ R2,LOOP5 DJNZ R1,LOOP6

MOV R1,#1 LOOP8:MOV R2,#100 LOOP7:MOV P2,#0FEH

MOV P0,#4FH ;SHOW'3' ACALL DELAY1 MOV P2,#0FDH

MOV P0,#66H ;SHOW'4' ACALL DELAY1 MOV P2,#0FBH

MOV P0,#6DH ;SHOW'5' ACALL DELAY1 MOV P2,#0F7H

MOV P0,#7DH ;SHOW'6' ACALL DELAY1 DJNZ R2,LOOP7 DJNZ R1,LOOP8

MOV R1,#1 LOOP10:MOV R2,#100 LOOP9:MOV P2,#0FEH

MOV P0,#66H ;SHOW'4' ACALL DELAY1 MOV P2,#0FDH

MOV P0,#6DH ;SHOW'5' ACALL DELAY1 MOV P2,#0FBH

MOV P0,#7DH ;SHOW'6' ACALL DELAY1 MOV P2,#0F7H

MOV P0,#07H ;SHOW'7' ACALL DELAY1 DJNZ R2,LOOP9

DJNZ R1,LOOP10

MOV R1,#1 LOOP12:MOV R2,#100 LOOP11:MOV P2,#0FEH

MOV P0,#6DH ;SHOW'5' ACALL DELAY1 MOV P2,#0FDH

MOV P0,#7DH ;SHOW'6' ACALL DELAY1 MOV P2,#0FBH

MOV P0,#07H ;SHOW'7' ACALL DELAY1 MOV P2,#0F7H

MOV P0,#7FH ;SHOW'8' ACALL DELAY1 DJNZ R2,LOOP11 DJNZ R1,LOOP12

MOV R1,#1 LOOP14:MOV R2,#100 LOOP13:MOV P2,#0FEH

MOV P0,#7DH ;SHOW'6' ACALL DELAY1 MOV P2,#0FDH

MOV P0,#07H ;SHOW'7' ACALL DELAY1 MOV P2,#0FBH

MOV P0,#7FH ;SHOW'8' ACALL DELAY1 MOV P2,#0F7H

MOV P0,#6FH ;SHOW'9' ACALL DELAY1 DJNZ R2,LOOP13 DJNZ R1,LOOP14

MOV R1,#1 LOOP16:MOV R2,#100 LOOP15:MOV P2,#0FEH

MOV P0,#07H ;SHOW'7' ACALL DELAY1 MOV P2,#0FDH

MOV P0,#7FH ;SHOW'8'

ACALL DELAY1 MOV P2,#0FBH

MOV P0,#6FH ;SHOW'9' ACALL DELAY1 MOV P2,#0F7H

MOV P0,#3FH ;SHOW'0' ACALL DELAY1 DJNZ R2,LOOP15 DJNZ R1,LOOP16

MOV R1,#1 LOOP18:MOV R2,#100 LOOP17:MOV P2,#0FEH

MOV P0,#7FH ;SHOW'8' ACALL DELAY1 MOV P2,#0FDH

MOV P0,#6FH ;SHOW'9' ACALL DELAY1 MOV P2,#0FBH

MOV P0,#3FH ;SHOW'0' ACALL DELAY1 MOV P2,#0F7H

MOV P0,#06H ;SHOW'1' ACALL DELAY1 DJNZ R2,LOOP17 DJNZ R1,LOOP18

MOV R1,#1 LOOP20:MOV R2,#100 LOOP19:MOV P2,#0FEH

MOV P0,#6FH ;SHOW'9' ACALL DELAY1 MOV P2,#0FDH

MOV P0,#3FH ;SHOW'0' ACALL DELAY1 MOV P2,#0FBH

MOV P0,#06H ;SHOW'1' ACALL DELAY1 MOV P2,#0F7H

MOV P0,#5BH ;SHOW'2' ACALL DELAY1 DJNZ R2,LOOP19 DJNZ R1,LOOP20

LJMP MAIN

DELAY1:MOV R7,#5; DL2:MOV R6,#10; DL1:MOV R5,#10; DJNZ R5,$ DJNZ R6,DL1 DJNZ R7,DL2 RET

END