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Re: 18F系列 記憶體清除副程式
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版主
 
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謝謝 foxjan 所提供的範例。
發表於: 2010/1/14 10:59
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18F系列 記憶體清除副程式
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資深會員
 
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獻醜了 大家參考一下
指定清除完成之後的page結束 C_END_PAGE EQU 0X06 CLEAR_RAM: CLRF FSR0H CLRF FSR0L CLEAR_LOOP: CLRF INDF0 INCF FSR0L,F BNZ CLEAR_LOOP INCF FSR0H,F MOVLW C_END_PAGE CPFSEQ FSR0H GOTO CLEAR_LOOP RETURN ;----------------------------------------------------------------------- 進階版,指定清除完成的page及addr結束 C_END_PAGE EQU 0X05 C_END_ADDR EQU 0XF1 CLEAR1_RAM: CLRF FSR0H CLRF FSR0L CLEAR1_LOOP: MOVLW C_END_ADDR CPFSEQ FSR0L GOTO CLEAR1_LOOP1 MOVLW C_END_PAGE CPFSEQ FSR0H GOTO CLEAR1_LOOP1 RETURN CLEAR1_LOOP1: CLRF INDF0 INCF FSR0L,F BNZ CLEAR1_LOOP INCF FSR0H,F GOTO CLEAR1_LOOP
發表於: 2010/1/13 18:22
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My name is jan,Jan是棒的
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