有可行性嗎?
ORG 00H
JMP START
ORG 0BH
JMP TIM0
START:
MOV TMOD, #01010010B
MOV TCON, #01010000B
MOV IE, #10000010B
MOV TL0, #9
MOV TH0, #9
MOV R0, #200
MOV R1, #250
MOV R2, #250
MOV R3, #4
SETB TR1
TIMING:
SETB TR0
JMP $
TIM0:
DJNZ R0, TIMING
DJNZ R1, TIMING
DJNZ R2, TIMING
DJNZ R3, TIMING
LOOP:
MOV A,TL1
MOV B, #13
MUL AB
MOV B, #2
DIV AB
MOV B, #0AH
DIV AB
MOV R4, #4
SEND:
RL A
DJNZ R4, SEND
ORL A, B
MOV P0, A
RETI
END
多謝各位幫忙!
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