MAIN MOV A,P3
MOV C,#00001111B
ANL C,A
MOV R1,C
SWAP A
MOV C,#00001111B
ANL C,A
MOV R2,C
MOV A,R2
SUBB A,#01H
MOV B,#04H
MUL AB
ADD A,R1
LED MOV P1,A
PLAY0 CJNE A,#00H,PLAY1
MOV P0,#3FH
PLAY1 CJNE A,#01H,PLAY2
MOV P0,#06H
PLAY2 CJNE A,#02H,PLAY3
MOV P0,#5BH
PLAY3 CJNE A,#03H,PLAY4
MOV P0,#4FH
PLAY4 CJNE A,#04H,PLAY5
MOV P0,#66H
PLAY5 CJNE A,#05H,PLAY6
MOV P0,#6DH
PLAY6 CJNE A,#06H,PLAY7
MOV P0,#7DH
PLAY7 CJNE A,#07H,PLAY8
MOV P0,#07H
PLAY8 CJNE A,#08H,PLAY9
MOV P0,#7FH
PLAY9 CJNE A,#09H,PLAYA
MOV PO,#6FH
PLAYA CJNE A,#0AH,PLAYB
MOV P0,#77H
PLAYB CJNE A,#0BH,PLAYC
MOV P0,#7CH
PLAYC CJNE A,#0CH,PLAYD
MOV P0,#58H
PLAYD CJNE A,#0DH,PLAYE
MOV P0,#5EH
PLAYE CJNE A,#0EH,PLAYF
MOV P0,#76H
PLAYF CJNE A,#0FH,BACK
MOV P0,#7EH
BACK SJMP MAIN
END
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