From: nozomi@sakura.cc.tsukuba.ac.jp (NoZomi Ytow)
Newsgroups: fj.os.msdos
Subject: Re: int 21h (ah = 67h)
Date: 15 Oct 92 18:51:21 GMT
Reply-To: nozomi@sakura.cc.tsukuba.ac.jp
Distribution: fj


$B0KF#!wC^GHBg3X@8J*$G$9!#(J

In article <matsuno.92Oct14154028@ainec1.lab.toyodenki.co.jp>
	matsuno@ainec1.lab.toyodenki.co.jp (MATSUNO Yoshiaki) wrote:

>   $B@h$KMQ8l$N@0M}$r$7$F$*$-$^$7$g$&!#(J
> 
>            $B;d(J        |       $B0KF#$5$s(J
>   -------------------+---------------------------
>     $B%U%!%$%k%F!<%V%k(J |           ?
>        $BFbIt(J FCB      | $B%7%9%F%`%U%!%$%k%F!<%V%k(J
> 
> $B$H$J$C$F$$$k$h$&$G$9!#;d$O6&N)=PHG$N(J OS $B%7%j!<%:(J 4 $B!V(JMS-DOS$B!W!Jever$5(J
> $B$s(J+$BBkLn$5$s!K$NMQ8l$K9g$o$;$F$$$^$9!#!V%U%!%$%k%F!<%V%k!W"*!V%W%m%;%9(J
> $B%U%!%$%k%F!<%V%k!W$H$9$l$P!$8m2r$,$J$$$N$+$b$7$l$^$;$s!#0J2<!$$=$&$7$^(J
> $B$9!#(J

$B;d$,8+$F$$$?(J Undocumeted DOS $B$G$O!"(J
$B%W%m%;%9%U%!%$%k%F!<%V%k$KBP$7$F(J
Job File Table (JFT) $B$N8l$rMQ$$$F$$$^$7$?!#(J
Process File Table $B$NJ}$,$h$5$=$&$G$9$M!#(J
$B;R%8%g%V$H$O$"$s$^$jJ9$+$J$$$G$9$+$i!#(J

Undocumented DOS $B$G$O(J FCB $B$N8l$O(J
CP/M $B8_49$N%U%!%$%k%"%/%;%9$N>l9g$K(J
$B8BDj$7$FMQ$$$F$$$k$h$&$G$9!#(J
SystemFileTable $B$H(J FCB $B$N<BBN$OF1$8$@!"$H$5$(=q$$$F$"$j$^$7$?!#(J

$B!tM>7W$J;v$G$9$1$I!"FbIt(J FCB $B$C$F(J PSP $BFbIt$N(J FCB $B$N$3$H$G$O$J$$$G$9$h$M!#(J

> 
>   $B%7%9%F%`A4BN$GMxMQ$G$-$k%U%!%$%k%O%s%I%k?t(J
>                             $B!aFbIt(J FCB $B$N%(%s%H%j?t(J
>   $B%W%m%;%9$,MxMQ$G$-$k%U%!%$%k%O%s%I%k?t(J
>                             $B!a%W%m%;%9%U%!%$%k%F!<%V%k$N%(%s%H%j?t(J

$B$h$/$o$+$j$^$7$?!#(J
$B40`z$K8m2r$7$F$$$^$7$?!#(J
$BB?>/K=8@$rEG$-$^$7$?;v$r$*$o$S$$$?$7$^$9!#(J


>   $B$H$K$+$/(J
>     FILES $B$N@_DjCM(J $B!f(J $B$3$l$+$i%*!<%W%s2DG=$J%U%!%$%k?t(J
> $B$O@.$jN)$A$^$9$+$i!$(Jopen("nul",0) $B$r7+$jJV$;$P!$(JFILES $B$N@_DjCM$N2<8B$O(J
> $B5a$a$i$l$^$9!#(Jint 21h(ah=52h) $B$,;H$($J$$$H$-$K!$(JFILES $B$N@_DjCM$=$N$b$N(J
> $B$r5a$a$k0lHLE*$JJ}K!$O$J$$$N$+$b$7$l$^$;$s!#(J

$B$3$N7o$G$9$,!"(J

a) FILSE < 256
b) $B%U%!%$%k%O%s%I%k$O(J 0 $B$+$i=g<!3d$jEv$F$i$l$k(J
c) $B$^$@%G%U%)%k%H$N(J PFT $B$r;H$C$F$$$k(J

$B$H$$$&2>Dj$,5v$5$l$k>l9g$K$O!"<!$N$h$&$K$7$F$o$+$k$+$J!"(J
$B$H;W$&$N$G$9$,!"G!2?$G$7$g$&$+!#(J

$B#1!K!!(Jint 21h (ah = 67) $B$^$?$OAjEv$9$kJ}K!$G!"%U%!%$%k%O%s%I%k?t$r(J
    $B!!(J0xffff $B$^$G$H$k!#(J
$B#2!K!!3+$1$i$l$k8B$j(J open $B$9$k!#(J
$B#3!K!!(JPSP $B$N%W%m%;%9%U%!%$%k%F!<%V%k$rD4$Y$F!"(J
$B!!!!!!(Jdup $B$5$l$F$$$k%U%!%$%k?t$rD4$Y$k!#(J
$B#4!K!!(Jopne $B$G$-$?:G8e$N%U%!%$%k%O%s%I%k$+$i!"(J3) $B$GF@$?CM$r0z$/!#(J
$B!!!!!!$3$l$,(J FILES $B$NCM!)(J



> > $B%U%j!<%a%b%j$NJ,CG$O(J DOS $B$N5!G=$G%U%!%$%k$K%"%/%;%9$9$k8B$j(J
> > $B5/$-$F$$$J$$$h$&$J5$$,$7$^$9!#(J
> 
>   $B<!$N$h$&$J%W%m%0%i%`$r(J symdeb $B$G:n$C$F<B9T$7$?7k2L$r<($7$^$9!#%W%m%;(J
> $B%9%U%!%$%k%F!<%V%k$N%(%s%H%j?t$r(J 512 $B$K3HD%$7$F$$$^$9!#(JPSP $BFb$K$"$k(J 
> default $B$N%W%m%;%9%U%!%$%k%F!<%V%k$NBe$o$j$K!$(JDOS $B$,%"%m!<%1!<%H$7$?%a(J
> $B%b%j%V%m%C%/$K?7$7$$%W%m%;%9%U%!%$%k%F!<%V%k$,:n$i$l$kMM;R$,$o$+$k$H;W(J
> $B$$$^$9!#(J

$B$4;XE&$NDL$j$G$9!#(JPFT $B$O>!<j$K%"%m%1!<%H$5$l$k$N$G$9$M!#(J
$B!t$8$c$"(J IBM $B$N%"%l$O2?$J$s$@$m$&!#(J


>   DOS extender $B$r;H$&$H!$;v>p$,0c$C$F$/$k$s$G$7$g$&$M!#(J

Extender $B$K$h$k$H$O;W$$$^$9$,!"(J
$B;d$,;H$C$F$$$k(J X32VM $B$N>l9g$K$O(J
$B4pK\E*$K%3%s%Y%s%7%g%J%k%a%b%j$r;H$o$J$$>e!"(J
1M $B$h$j$b2<$r%"%m%1!<%H$9$k$H%G%"%m%1!<%H$G$-$:!"(J
$B%j%"%k%b!<%I$N%]%$%s%?$N%O%s%I%j%s%0$bLLE]$J$N$G!"(J
$B$D$$(J DOS $B$N%U%!%s%/%7%g%s%3!<%k$r;H$$$?$/$J$j$^$9!#(J


> > $B!t(Jfopen $B$,(J 20 files $B8GDj$J$s$F!"0lBN$I$&$$$&H/A[$@$m$&!#(J
> 
>   $B$?$7$+$K$3$l$,$b$&$R$H$D$N4XLg$G$9$M!#$^$"!$%i%$%V%i%j$N%=!<%9$,$"$l(J
> $B$P$J$s$H$+$J$k$H$O$$$(!#(J

$B$^$"!"$3$l$GL\=h$O$D$-$^$7$?$1$I!#(J


> > NEC PC9801 $B%7%j!<%:!!(JMS-DOC 5.0 $B%W%m%0%i%^!<%:%j%U%!%l%s%9%^%K%e%"%k(J vol.1
> > p. 246  int 21h (ah = 67h) $B$N@bL@$N$H$3$m$G$9!#(J
> 
>   $B!V$?$@$7!$$3$l$O%7%9%F%`Fb$GMxMQ2DG=$J%O%s%I%k?t$rJQ99$9$k$o$1$G$O$"(J
> $B$j$^$;$s!#!W$N$3$H$G$7$g$&$+!#$3$l$OC1$K!VJL$NJ*$@$h!W$H$7$+$$$C$F$$$J(J
> $B$$$H;W$$$^$9!#$=$l$H$b%P!<%8%g%s$,0c$&$N$G$7$g$&$+!#<j85$K$"$k$N$OL\<!(J
> $B$N(J(2)$B%Z!<%8:82<$K(J AG221D $B$H0u:~$7$F$"$j$^$9!#(J

$B6D$k$H$*$j$G$9!#>!<j$K2r<a$7$F$$$^$7$?!#(J


$B$$$m$$$m$"$j$,$H$&$4$6$$$^$7$?!#(J


> > >   $B$A$O$d$V$k(J $B$G$9!#$3$s$J$3$H$r$d$C$F$$$k>l9g$G$O$J$$$N$G$7$g$&$,(J...
> > $B!t$I$&$$$&0UL#$@$m$&(J....
>   $B$?$@$$$^!$O@J8%b!<%I$J$s$G$9!#(J(^_^;)

$B;d$b$=$&$"$k$Y$-$J$N$G$9$,(J .....



$B#N#O#Z!]!]!]!]!]!]!]!]!]!]!]!]!]!]!]!]!]!]!]!]!](J
$B#O!!#O!!C^GHBg3X!!@8J*2J3X7O!!0KF#!!4u!J$N$>$_!K(J
$B#Z#O#N!!(Jnozomi@yucca.cc.tsukuba.ac.jp