mirror of
https://github.com/usatiuk/nand2tetris.git
synced 2025-10-29 00:27:49 +01:00
400 lines
14 KiB
XML
400 lines
14 KiB
XML
<class>
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<keyword > class </keyword>
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<identifier class, defined> Main </identifier>
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<symbol > { </symbol>
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<subroutineDec>
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<keyword > void </keyword>
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<identifier subroutine, defined> main </identifier>
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<symbol > ( </symbol>
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<parameterList>
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</parameterList>
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<symbol > ) </symbol>
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<subroutineBody>
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<symbol > { </symbol>
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<varDec>
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<keyword > var </keyword>
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<keyword > int </keyword>
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<identifier name=value type=int kind=Var index=0 declared> value </identifier>
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<symbol > ; </symbol>
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</varDec>
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<statements>
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<doStatement>
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<keyword > do </keyword>
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<identifier class, used> Main </identifier>
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<symbol > . </symbol>
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<identifier function, used> fillMemory </identifier>
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<symbol > ( </symbol>
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<symbol > ) </symbol>
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<symbol > ; </symbol>
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</doStatement>
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<letStatement>
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<keyword > let </keyword>
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<identifier name=value type=int kind=Var index=0 used> value </identifier>
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<symbol > = </symbol>
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<expression>
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<term>
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<identifier class, used> Memory </identifier>
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<symbol > . </symbol>
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<identifier function, used> peek </identifier>
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<symbol > ( </symbol>
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<symbol > ) </symbol>
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</term>
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</expression>
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<symbol > ; </symbol>
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</letStatement>
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<doStatement>
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<keyword > do </keyword>
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<identifier class, used> Main </identifier>
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<symbol > . </symbol>
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<identifier function, used> convert </identifier>
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<symbol > ( </symbol>
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<symbol > ) </symbol>
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<symbol > ; </symbol>
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</doStatement>
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<returnStatement>
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<keyword > return </keyword>
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<symbol > ; </symbol>
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</returnStatement>
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</statements>
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<symbol > } </symbol>
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</subroutineBody>
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</subroutineDec>
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<subroutineDec>
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<keyword > void </keyword>
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<identifier subroutine, defined> convert </identifier>
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<symbol > ( </symbol>
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<parameterList>
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<keyword > int </keyword>
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<identifier name=value type=int kind=Arg index=0 declared> value </identifier>
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</parameterList>
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<symbol > ) </symbol>
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<subroutineBody>
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<symbol > { </symbol>
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<varDec>
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<keyword > var </keyword>
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<keyword > int </keyword>
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<identifier name=mask type=int kind=Var index=0 declared> mask </identifier>
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<symbol > , </symbol>
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<identifier name=position type=int kind=Var index=1 declared> position </identifier>
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<symbol > ; </symbol>
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</varDec>
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<varDec>
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<keyword > var </keyword>
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<keyword > boolean </keyword>
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<identifier name=loop type=boolean kind=Var index=2 declared> loop </identifier>
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<symbol > ; </symbol>
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</varDec>
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<statements>
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<letStatement>
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<keyword > let </keyword>
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<identifier name=loop type=boolean kind=Var index=2 used> loop </identifier>
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<symbol > = </symbol>
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<expression>
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<term>
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<keyword > true </keyword>
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</term>
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</expression>
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<symbol > ; </symbol>
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</letStatement>
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<whileStatement>
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<keyword > while </keyword>
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<symbol > ( </symbol>
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<expression>
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<term>
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<identifier name=loop type=boolean kind=Var index=2 used> loop </identifier>
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</term>
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</expression>
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<symbol > ) </symbol>
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<symbol > { </symbol>
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<statements>
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<letStatement>
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<keyword > let </keyword>
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<identifier name=position type=int kind=Var index=1 used> position </identifier>
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<symbol > = </symbol>
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<expression>
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<term>
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<identifier name=position type=int kind=Var index=1 used> position </identifier>
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</term>
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<symbol > + </symbol>
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<term>
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<integerConstant > 1 </integerConstant>
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</term>
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</expression>
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<symbol > ; </symbol>
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</letStatement>
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<letStatement>
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<keyword > let </keyword>
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<identifier name=mask type=int kind=Var index=0 used> mask </identifier>
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<symbol > = </symbol>
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<expression>
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<term>
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<identifier class, used> Main </identifier>
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<symbol > . </symbol>
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<identifier function, used> nextMask </identifier>
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<symbol > ( </symbol>
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<symbol > ) </symbol>
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</term>
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</expression>
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<symbol > ; </symbol>
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</letStatement>
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<ifStatement>
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<keyword > if </keyword>
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<symbol > ( </symbol>
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<expression>
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<term>
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<symbol > ~ </symbol>
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<term>
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<symbol > ( </symbol>
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<expression>
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<term>
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<identifier name=position type=int kind=Var index=1 used> position </identifier>
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</term>
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<symbol > > </symbol>
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<term>
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<integerConstant > 16 </integerConstant>
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</term>
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</expression>
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<symbol > ) </symbol>
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</term>
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</term>
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</expression>
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<symbol > ) </symbol>
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<symbol > { </symbol>
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<statements>
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<ifStatement>
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<keyword > if </keyword>
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<symbol > ( </symbol>
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<expression>
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<term>
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<symbol > ~ </symbol>
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<term>
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<symbol > ( </symbol>
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<expression>
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<term>
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<symbol > ( </symbol>
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<expression>
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<term>
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<identifier name=value type=int kind=Arg index=0 used> value </identifier>
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</term>
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<symbol > & </symbol>
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<term>
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<identifier name=mask type=int kind=Var index=0 used> mask </identifier>
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</term>
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</expression>
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<symbol > ) </symbol>
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</term>
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<symbol > = </symbol>
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<term>
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<integerConstant > 0 </integerConstant>
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</term>
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</expression>
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<symbol > ) </symbol>
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</term>
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</term>
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</expression>
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<symbol > ) </symbol>
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<symbol > { </symbol>
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<statements>
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<doStatement>
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<keyword > do </keyword>
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<identifier class, used> Memory </identifier>
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<symbol > . </symbol>
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<identifier function, used> poke </identifier>
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<symbol > ( </symbol>
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<symbol > ) </symbol>
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<symbol > ; </symbol>
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</doStatement>
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</statements>
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<symbol > } </symbol>
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<keyword > else </keyword>
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<symbol > { </symbol>
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<statements>
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<doStatement>
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<keyword > do </keyword>
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<identifier class, used> Memory </identifier>
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<symbol > . </symbol>
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<identifier function, used> poke </identifier>
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<symbol > ( </symbol>
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<symbol > ) </symbol>
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<symbol > ; </symbol>
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</doStatement>
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</statements>
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<symbol > } </symbol>
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</ifStatement>
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</statements>
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<symbol > } </symbol>
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<keyword > else </keyword>
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<symbol > { </symbol>
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<statements>
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<letStatement>
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<keyword > let </keyword>
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<identifier name=loop type=boolean kind=Var index=2 used> loop </identifier>
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<symbol > = </symbol>
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<expression>
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<term>
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<keyword > false </keyword>
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</term>
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</expression>
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<symbol > ; </symbol>
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</letStatement>
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</statements>
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<symbol > } </symbol>
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</ifStatement>
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</statements>
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<symbol > } </symbol>
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</whileStatement>
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<returnStatement>
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<keyword > return </keyword>
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<symbol > ; </symbol>
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</returnStatement>
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</statements>
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<symbol > } </symbol>
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</subroutineBody>
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</subroutineDec>
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<subroutineDec>
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<keyword > int </keyword>
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<identifier subroutine, defined> nextMask </identifier>
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<symbol > ( </symbol>
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<parameterList>
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<keyword > int </keyword>
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<identifier name=mask type=int kind=Arg index=0 declared> mask </identifier>
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</parameterList>
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<symbol > ) </symbol>
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<subroutineBody>
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<symbol > { </symbol>
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<statements>
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<ifStatement>
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<keyword > if </keyword>
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<symbol > ( </symbol>
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<expression>
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<term>
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<identifier name=mask type=int kind=Arg index=0 used> mask </identifier>
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</term>
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<symbol > = </symbol>
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<term>
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<integerConstant > 0 </integerConstant>
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</term>
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</expression>
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<symbol > ) </symbol>
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<symbol > { </symbol>
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<statements>
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<returnStatement>
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<keyword > return </keyword>
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<expression>
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<term>
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<integerConstant > 1 </integerConstant>
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</term>
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</expression>
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<symbol > ; </symbol>
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</returnStatement>
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</statements>
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<symbol > } </symbol>
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<keyword > else </keyword>
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<symbol > { </symbol>
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<statements>
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<returnStatement>
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<keyword > return </keyword>
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<expression>
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<term>
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<identifier name=mask type=int kind=Arg index=0 used> mask </identifier>
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</term>
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<symbol > * </symbol>
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<term>
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<integerConstant > 2 </integerConstant>
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</term>
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</expression>
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<symbol > ; </symbol>
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</returnStatement>
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</statements>
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<symbol > } </symbol>
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</ifStatement>
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</statements>
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<symbol > } </symbol>
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</subroutineBody>
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</subroutineDec>
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<subroutineDec>
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<keyword > void </keyword>
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<identifier subroutine, defined> fillMemory </identifier>
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<symbol > ( </symbol>
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<parameterList>
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<keyword > int </keyword>
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<identifier name=startAddress type=int kind=Arg index=0 declared> startAddress </identifier>
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<symbol > , </symbol>
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<keyword > int </keyword>
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<identifier name=length type=int kind=Arg index=1 declared> length </identifier>
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<symbol > , </symbol>
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<keyword > int </keyword>
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<identifier name=value type=int kind=Arg index=2 declared> value </identifier>
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</parameterList>
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<symbol > ) </symbol>
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<subroutineBody>
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<symbol > { </symbol>
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<statements>
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<whileStatement>
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<keyword > while </keyword>
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<symbol > ( </symbol>
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<expression>
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<term>
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<identifier name=length type=int kind=Arg index=1 used> length </identifier>
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</term>
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<symbol > > </symbol>
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<term>
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<integerConstant > 0 </integerConstant>
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</term>
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</expression>
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<symbol > ) </symbol>
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<symbol > { </symbol>
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<statements>
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<doStatement>
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<keyword > do </keyword>
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<identifier class, used> Memory </identifier>
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<symbol > . </symbol>
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<identifier function, used> poke </identifier>
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<symbol > ( </symbol>
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<symbol > ) </symbol>
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<symbol > ; </symbol>
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</doStatement>
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<letStatement>
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<keyword > let </keyword>
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<identifier name=length type=int kind=Arg index=1 used> length </identifier>
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<symbol > = </symbol>
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<expression>
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<term>
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<identifier name=length type=int kind=Arg index=1 used> length </identifier>
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</term>
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<symbol > - </symbol>
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<term>
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<integerConstant > 1 </integerConstant>
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</term>
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</expression>
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<symbol > ; </symbol>
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</letStatement>
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<letStatement>
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<keyword > let </keyword>
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<identifier name=startAddress type=int kind=Arg index=0 used> startAddress </identifier>
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<symbol > = </symbol>
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<expression>
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<term>
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<identifier name=startAddress type=int kind=Arg index=0 used> startAddress </identifier>
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</term>
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<symbol > + </symbol>
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<term>
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<integerConstant > 1 </integerConstant>
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</term>
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</expression>
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<symbol > ; </symbol>
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</letStatement>
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</statements>
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<symbol > } </symbol>
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</whileStatement>
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<returnStatement>
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<keyword > return </keyword>
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<symbol > ; </symbol>
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</returnStatement>
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</statements>
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<symbol > } </symbol>
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</subroutineBody>
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</subroutineDec>
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<symbol > } </symbol>
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</class>
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