8-bit MicrocontrollersのトピックRe: CPHX opr8a https://community.nxp.com/t5/8-bit-Microcontrollers/CPHX-opr8a/m-p/193873#M15136 <HTML><HEAD></HEAD><BODY><P>Hi csosza,</P><P>&nbsp;</P><P>This does a compare between the 16-bit value held in the concatenated H and X registers with a 16-bit value in the direct page (00 to FF) at the address specified by opr8a. The address in RAM is that specified and the next higher address concatenated together. The more significant byte is of course at the lower address.</P><P>Hope that helps,</P><P>&nbsp;</P></BODY></HTML> Fri, 26 Jun 2009 05:11:49 GMT peg 2009-06-26T05:11:49Z CPHX opr8a https://community.nxp.com/t5/8-bit-Microcontrollers/CPHX-opr8a/m-p/193872#M15135 <HTML><HEAD></HEAD><BODY><SPAN>How works exactly (what compares) "CPHX opr8a"? I read the pdf, but it is not clear for me.</SPAN></BODY></HTML> Fri, 26 Jun 2009 03:03:37 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/CPHX-opr8a/m-p/193872#M15135 csosza 2009-06-26T03:03:37Z Re: CPHX opr8a https://community.nxp.com/t5/8-bit-Microcontrollers/CPHX-opr8a/m-p/193873#M15136 <HTML><HEAD></HEAD><BODY><P>Hi csosza,</P><P>&nbsp;</P><P>This does a compare between the 16-bit value held in the concatenated H and X registers with a 16-bit value in the direct page (00 to FF) at the address specified by opr8a. The address in RAM is that specified and the next higher address concatenated together. The more significant byte is of course at the lower address.</P><P>Hope that helps,</P><P>&nbsp;</P></BODY></HTML> Fri, 26 Jun 2009 05:11:49 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/CPHX-opr8a/m-p/193873#M15136 peg 2009-06-26T05:11:49Z