Similar for setb , which sets the byte to 0x01 if its below a certain value. My question is what value, and how is it related to the above ... ... <看更多>
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Similar for setb , which sets the byte to 0x01 if its below a certain value. My question is what value, and how is it related to the above ... ... <看更多>
SETB SEL. ACALL LCD_OUT. CLR SEL. RET. LCD_OUT: CLR A. MOVC A,@A+DPTR. JZ EXIT. INC DPTR. JB SEL,CMD. ACALL DATA_WRITE. SJMP LCD_OUT. CMD: ACALL CMD_WRITE. ... <看更多>