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使用Hi-tech 編譯PIC16
#1
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使用Hi-tech 編譯PIC16F722,要改變RB1的值
我看了編譯出來的assembly如下

014 0086 MOVWF 0x6
64: RB1=1;
015 1486 BSF 0x6, 0x1
65: RB1=0;
016 1086 BCF 0x6, 0x1

執行後PORTB的其他BIT 都被清為0,是什麼原因呢?

發表於: 2009/7/26 17:12
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