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--------
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and [_flg],1
flg = ++flg%0x02;
--------
mov A,[_flg]
add A,1
mov [__r0],A
mov [_flg],A
mov A,2
push A
mov A,[__r0]
push A
xcall __divmodu_8X8_8
add SP,-1
pop A
mov [_flg],A

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...
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PRT1DR &= ~_BV(LED_blue);

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CPU_Clock CycClk/1
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#pragma interrupt_handler Timer8_ISR
void Timer8_ISR(){
 //LED¥â¥¸¥å¡¼¥ë
 LED_On();
 LED_Off();
}

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