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Date: Fri, 16 Jun 2000 00:25:26 +0900
From: Mitsuru IWASAKI <iwasaki@jp.freebsd.org>
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Subject: [acpi-jp 402] Re: objref fix and more
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> > If(And(0x4, Local1, Zero)) {
> $B$3$N(B And $B$N(B3$B9`L\$N(B ZeroOp $B$G$9$,!"K\Mh(B AML$B$N(B syntax $B$K$h$k$H(B
>      ($B4XO"ItJ,$N$_H4?h(B)
> 
>      DefAnd := AndOp Operand1 Operand2 Target
>      Target := SuperName | NullName
>      SuperName := NameString | ArgObj | LocalObj | DebugObj | DefIndex
>      NameString: RootChar NamePath | PrefixPath NamePath
>      NamePath:= NullName | NameSeg | DualNamePath | MultiNamePath
>      NullName := 0x00
>      ZeroOp := 0x00
> 
> $B$H$"$j$^$9$N$G!"(B
> 	0x00 -> NullName -> Target
> $B$HF3=P$7$J$$$H$$$1$J$$$N$KBP$7$F!"(B
> 	0x00 -> ZeroOp
> $B$HF3=P$7$F$7$^$C$F$$$kJU$j$,$I$&$bLdBj$N4b$G$O$J$$$G$7$g$&$+!)(B
> 
> $B$3$l!"=$@5$7$h$&$H$9$k$H(B parse $B$NBg2~B$$K$J$C$A$c$$$^$9$,!D(B

$BJlBN$,(B AML $B$N4J0W%G%#%9%"%;%s%V%i$+$i=PH/$7$F$$$k$N$G!"(B
$BF1$8(B Encoding Value $B$r;}$D(B NullName $B$H(B ZeroOp $B$rJ8L.$+$i(B
$B6hJL$9$k$N$O:#$OFq$7$$$G$9$M$'!#(B
# $B$J$N$G!"$"$kDxEY$OL\$r$D$V$i$J$$$H(B (^^;

$B$H$j$"$($::#2s$N7o$OJL$N3QEY$+$i$G$9$,!"(B
15.2.3.6.3.3.1 Zero - Constant Zero Object $B$N(B
... Writes to this object are not allowed.
$B$N<BAu$K$h$C$F2sHr$G$-$=$&$J46$8$G$9!#(B
# $B$"!"(BZero $B$@$1$8$c$J$/$F(B One, Ones, Revision $B$b$G$9$M!#(B
