?? noname1.asm
字號:
SPEED EQU 20H
R_NL EQU 28H
R_NH EQU 29H
MOV R_NL,#0D7H
MOV R_NH,#0DDH
CLR C
MOV R7,R_NL
MOV R6,R_NH
MOV A,#0FFH
SUBB A,R6
MOV R6,A
MOV A,#0FFH
SUBB A,R7
MOV R7,A
MOV B,#2
MUL AB
MOV R7,A
MOV A,R6
PUSH B
MOV B,#2
MUL AB
POP B
ADD A,B
MOV R6,A
CLR C
MOV B,#16
CLR A
MOV R3,A
MOV R4,A
MOV R5,A
MOV R2,#10H
HB3:
MOV A,R7
RLC A
MOV R7,A
MOV A,R6
RLC A
MOV R6,A
MOV A,R5
ADDC A,R5
DA A
MOV R5,A
MOV A,R4
ADDC A,R4
DA A
MOV R4,A
MOV A,R3
ADDC A,R3
MOV R3,A
DJNZ R2,HB3
MOV A,R5
ANL A,#0FH
MOV SPEED+4,A
MOV A,R5
ANL A,#0F0H
SWAP A
MOV SPEED+3,A
MOV A,R4
ANL A,#0FH
MOV SPEED+2,A
MOV A,R4
ANL A,#0F0H
SWAP A
MOV SPEED+1,A
MOV SPEED,R3
MOV A,SPEED
END
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