<?xml version="1.0" encoding="UTF-8" standalone="no" ?><ProjectOpt xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="project_opt.xsd">  <SchemaVersion>1.0</SchemaVersion>  <Header>### uVision Project, (C) Keil Software</Header>  <Extensions>    <cExt>*.c</cExt>    <aExt>*.a*; *.src</aExt>    <oExt>*.obj</oExt>    <lExt>*.lib</lExt>    <tExt>*.txt</tExt>    <pExt>*.plm</pExt>    <CppX>*.cpp</CppX>  </Extensions>  <DaveTm>    <dwLowDateTime>0</dwLowDateTime>    <dwHighDateTime>0</dwHighDateTime>  </DaveTm>  <Target>    <TargetName>Target 1</TargetName>    <ToolsetNumber>0x0</ToolsetNumber>    <ToolsetName>MCS-51</ToolsetName>    <TargetOption>      <CLK51>24000000</CLK51>      <OPTTT>        <gFlags>1</gFlags>        <BeepAtEnd>1</BeepAtEnd>        <RunSim>1</RunSim>        <RunTarget>0</RunTarget>      </OPTTT>      <OPTHX>        <HexSelection>0</HexSelection>        <FlashByte>65535</FlashByte>        <HexRangeLowAddress>0</HexRangeLowAddress>        <HexRangeHighAddress>0</HexRangeHighAddress>        <HexOffset>0</HexOffset>      </OPTHX>      <OPTLEX>        <PageWidth>120</PageWidth>        <PageLength>65</PageLength>        <TabStop>8</TabStop>        <ListingPath>.\</ListingPath>      </OPTLEX>      <ListingPage>        <CreateCListing>1</CreateCListing>        <CreateAListing>1</CreateAListing>        <CreateLListing>1</CreateLListing>        <CreateIListing>0</CreateIListing>        <AsmCond>1</AsmCond>        <AsmSymb>1</AsmSymb>        <AsmXref>0</AsmXref>        <CCond>1</CCond>        <CCode>0</CCode>        <CListInc>0</CListInc>        <CSymb>0</CSymb>        <LinkerCodeListing>0</LinkerCodeListing>      </ListingPage>      <OPTXL>        <LMap>1</LMap>        <LComments>1</LComments>        <LGenerateSymbols>1</LGenerateSymbols>        <LLibSym>1</LLibSym>        <LLines>1</LLines>        <LLocSym>1</LLocSym>        <LPubSym>1</LPubSym>        <LXref>0</LXref>        <LExpSel>0</LExpSel>      </OPTXL>      <OPTFL>        <tvExp>1</tvExp>        <tvExpOptDlg>0</tvExpOptDlg>        <IsCurrentTarget>1</IsCurrentTarget>      </OPTFL>      <CpuCode>0</CpuCode>      <Books>        <Book>          <Number>0</Number>          <Title>Data Sheet</Title>          <Path>DATASHTS\ATMEL\DOC0313.PDF</Path>        </Book>        <Book>          <Number>1</Number>          <Title>Add on databooks</Title>          <Path>DATASHTS\ADDBOOKS.PDF</Path>        </Book>        <Book>          <Number>2</Number>          <Title>Instruction Set Manual</Title>          <Path>DATASHTS\ATMEL\DOC0509.PDF</Path>        </Book>      </Books>      <DllOpt>        <SimDllName>S8051.DLL</SimDllName>        <SimDllArguments></SimDllArguments>        <SimDlgDllName>DP51.DLL</SimDlgDllName>        <SimDlgDllArguments>-p52</SimDlgDllArguments>        <TargetDllName>S8051.DLL</TargetDllName>        <TargetDllArguments></TargetDllArguments>        <TargetDlgDllName>TP51.DLL</TargetDlgDllName>        <TargetDlgDllArguments>-p52</TargetDlgDllArguments>      </DllOpt>      <DebugOpt>        <uSim>1</uSim>        <uTrg>0</uTrg>        <sLdApp>1</sLdApp>        <sGomain>1</sGomain>        <sRbreak>1</sRbreak>        <sRwatch>1</sRwatch>        <sRmem>1</sRmem>        <sRfunc>1</sRfunc>        <sRbox>1</sRbox>        <tLdApp>0</tLdApp>        <tGomain>0</tGomain>        <tRbreak>0</tRbreak>        <tRwatch>0</tRwatch>        <tRmem>0</tRmem>        <tRfunc>0</tRfunc>        <tRbox>0</tRbox>        <sRunDeb>0</sRunDeb>        <sLrtime>0</sLrtime>        <nTsel>0</nTsel>        <sDll></sDll>        <sDllPa></sDllPa>        <sDlgDll></sDlgDll>        <sDlgPa></sDlgPa>        <sIfile></sIfile>        <tDll></tDll>        <tDllPa></tDllPa>        <tDlgDll></tDlgDll>        <tDlgPa></tDlgPa>        <tIfile></tIfile>        <pMon></pMon>      </DebugOpt>      <DebugFlag>        <trace>0</trace>        <periodic>0</periodic>        <aLwin>0</aLwin>        <aCover>0</aCover>        <aSer1>0</aSer1>        <aSer2>0</aSer2>        <aPa>0</aPa>        <viewmode>0</viewmode>        <vrSel>0</vrSel>        <aSym>0</aSym>        <aTbox>0</aTbox>        <AscS1>0</AscS1>        <AscS2>0</AscS2>        <AscS3>0</AscS3>        <aSer3>0</aSer3>        <eProf>0</eProf>        <aLa>0</aLa>        <aPa1>0</aPa1>        <AscS4>0</AscS4>        <aSer4>0</aSer4>        <StkLoc>0</StkLoc>        <TrcWin>0</TrcWin>        <newCpu>0</newCpu>        <uProt>0</uProt>      </DebugFlag>      <LintExecutable></LintExecutable>      <LintConfigFile></LintConfigFile>    </TargetOption>  </Target>  <Group>    <GroupName>Source Group 1</GroupName>    <tvExp>1</tvExp>    <tvExpOptDlg>0</tvExpOptDlg>    <cbSel>0</cbSel>    <File>      <GroupNumber>1</GroupNumber>      <FileNumber>1</FileNumber>      <FileType>1</FileType>      <tvExp>1</tvExp>      <Focus>0</Focus>      <ColumnNumber>69</ColumnNumber>      <tvExpOptDlg>0</tvExpOptDlg>      <TopLine>1</TopLine>      <CurrentLine>21</CurrentLine>      <bDave2>0</bDave2>      <PathWithFileName>.\lesson9.c</PathWithFileName>      <FilenameWithoutPath>lesson9.c</FilenameWithoutPath>      <WindowPosition>        <length>44</length>        <flags>2</flags>        <showCmd>3</showCmd>        <MinPosition>          <xPos>-1</xPos>          <yPos>-1</yPos>        </MinPosition>        <MaxPosition>          <xPos>-4</xPos>          <yPos>-30</yPos>        </MaxPosition>        <NormalPosition>          <Top>174</Top>          <Left>132</Left>          <Right>771</Right>          <Bottom>599</Bottom>        </NormalPosition>      </WindowPosition>    </File>  </Group>  <AlienFiles>    <PathWithFilename>D:\瀹夎