有可行性吗? 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 多谢各位帮忙!
[此贴子已经被作者于2012-6-6 2:29:25编辑过]
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