From: tan@hulab.hudson.co.jp (Yuuji Tanaka)
Newsgroups: fj.sys.x68000
Subject: Re: PC-98 HDD
Date: 12 Dec 92 04:10:55 GMT
Distribution: fj
Organization: HUDSON SOFT, Sapporo, Japan.
X-Newsreader: TIN [version 1.1 PL6]

$@EDCf!s%O!<%I%G%#%9%/2~B$20!w%O%I%=%s$G$9!#%7%g!<%H%U%)%m!<$G$9!#(J

In article <KOYAMA.92Dec10035213@mikan.kmc.kyoto-u.ac.jp>
   Youichi Koyama (koyama@kmc.kyoto-u.ac.jp) wrote:
>
>$@$O$8$a$^$7$F!#>.;3!w5~Bg%^%$%3%s%/%i%V(J $@$H(J $@?=$7$^$9!##f#j=i%]%9%H$G$9!#(J

$@$O$8$a$^$7$F!##f#j$O$*=i$G$9$+!#(J

>> $@%:%P%j#X#6#8#0#0#0$G#9#8$N#S#A#S#I%O!]%I%G%#%9%/$r;H$&$3$H$O2DG=$G$7$g$&$+(J
[...]
>$@#S#A#S#I$H8F$P$l$F$$$k%O!<%I%G%#%9%/$N%3%^%s%I%;%C%H$H$$$&$N$O!"<B:]$O(J
>$@$+$J$j%P%i%P%i$J$h$&$G$9$,!"?t<oN`$@$1$OE}0l$,$H$l$F$$$F!"!J$3$NItJ,$,(J
>$@#S#A#S#I5,3J$J$N$+$J!)!K$=$N?t<oN`$@$1$GA4$F$N%"%/%;%9$,2DG=$J$N$G!"(J
$@$=$&$G$9$M!#E}0l$5$l$?%3%^%s%I%7!<%1%s%9$H!"%O!<%I%&%'%"$NFC@-$r4^$a$F(J
$@#S#A#S#I5,3J$H8@$$$^$9!#%a!<%+!<C10L$G3HD%$5$l$?%3%^%s%I$b$"$j$^$9$,!"(J
$@$=$N>l9g$O#S#A#S#I5,3J=`5r$H$J$j$^$9$M!#(J

>$@#X#6#8#0#0#0$N>l9g$=$l$i$N%3%^%s%I$7$+;H$C$F$J$$$h$&$G$9!#(J
$@$=$NDL$j!##X#6#8#0#0#0$G$O!"5,3J$NHO0OFb$N%3%^%s%I$7$+;H$C$F$$$^$;$s!#(J

>$@$h$C$F!"$D$J$,$k$O$:$@!*$H$$$&6/$$?.G0$r$b$C$F!"9TF0$r3+;O$7$?$N$G$9$,!"(J
[...]
>$@$H$3$m$,!"%U%)!<%^%C%H$,$&$^$/$$$+$J$$!#$7$+$7!"%=%U%H%&%'%"$J$i<+?.$,(J
>$@$"$k!#:C@^$O$7$J$$$>!#(Jformat $@$r(J db $@$G%H%l!<%9$7$F$_$FD4$Y$k$H!"$I$&$d$i(J
>$@%O!<%I%G%#%9%/B&$H$N%3%^%s%I$N$d$j$H$j$G!"#X#6#8B&$,4V$K9g$o$J$$$3$H$,(J
>$@?t@i2s$K#12s$0$i$$$"$k$h$&$@!"$H$$$&$3$H$,$o$+$j$^$7$?!#(J
$@#I#O#C#S$G$O!"#82s$N%j%H%i%$$,%G%#%U%)%k%H$NH&$G$9$,!"#82s$N%j%H%i%$$G$O(J
$@4V$K9g$o$J$$;v$,?t@i2s$K#12s!"$H$$$&;v$J$N$G$7$g$&$+!)(J

>$@$=$3$G!"(J IOCS $@$N(J B_READ B_WRITE B_FORMAT $@$J$I$N%Y%/%?$r%U%C%/$7$F!"(J
[...]
>$@$=$l0JMh!"2wE,$K;H$($F$$$^$9!#!J$?$@!">e5-$N%W%m%0%i%`$O(J autoexec.bat 
[...]
>$@$3$l$O#I#C#M$N>l9g$K8B$i$l$k$+$bCN$l$^$;$s!J$b$7$/$O$?$^$?$^;d$N;}$C$F(J
>$@$$$k$d$D$,$I$3$+0-$+$C$?$N$+$bCN$l$J$$!K$,!";29M$^$G$K!#(J
$@$I$&$d$i!"$&$^$$6q9g$KF0$$$F$$$k$h$&$G$9$,!"%"%/%;%9$,CY$$$H46$8$i$l$k(J
$@;v$O$J$$$G$7$g$&$+!)I8=`$N(Jformat.x$@$G$O!"%O!<%I%G%#%9%/$N%$%s%?!<%j%V!&(J
$@%3!<%I$,!"<+<R%O!<%I%G%#%9%/$N%"%/%;%9%9%T!<%I$K9g$o$;$?CM$K$J$C$F$$$k(J
$@$N$G!"C1=c$K%U%)!<%^%C%H$9$k$H%"%/%;%9$,CY$/$J$k2DG=@-$,$"$j$^$9!#(J

$@;d$b!"CN?M$+$iLc$C$?#4#0%a%,$N#9#8MQ#H#D$r2~B$$7$F!"#X#6#8#0#0#0$K;HMQ(J
$@$7$F$$$^$9$,!":G=i!"%G%#%U%)%k%H$N%$%s%?!<%j%V!&%3!<%I$G=i4|2=$7$?=j!"(J
$@%"%/%;%9$,Hs>o$KCY$/$J$j$^$7$?!#(J

$@$=$3$G!"#9#8MQ$N(Jformat.exe$@$O!"#X#6#8MQ(Jformat.x$@$H!"0c$&%$%s%?!<%j%V!&%3(J
$@!<%I$G=i4|2=$7$F$$$?H&$@$7!"%"%/%;%9%?%$%_%s%0$O#9#8$H0c$&H&$@!"$H;W$$(J
$@Ev$?$j!"%$%s%?!<%j%V!&%3!<%I$r?'!9$HJQ$($F2?2s$b=i4|2=$r7+$jJV$7!"B.EY(J
$@Hf3S$r9T$J$$!":GB.CM$r@_Dj$7$F=i4|2=$7!"%&%=$N$h$&$KAa$/$J$j$^$7$?!#(J

$@%I%i%$%V$N1~EzB.EY!"%$%s%?!<%U%'%$%9$N1~EzB.EY!"#C#P#U%9%T!<%I$N0c$$$K(J
$@$h$C$F!"%$%s%?!<%j%V!&%3!<%I$N:GE,CM$,%G%#%U%)%k%H$H$O0[$J$kH&$G$9!#(J

$@CY$$$H46$8$?$i!"%P%C%/%"%C%W$N$D$$$G$K%U%)!<%^%C%H$9$k%A%c%s%9$,$"$C$?(J
$@$i!"%$%s%?!<%j%V!&%3!<%I$rJQ99$7$F=i4|2=$7$F$_$F$O$$$+$,$G$7$g$&!)(J
$@I8=`$G#6$K$J$C$F$$$kH&$G$9$N$G!"#1$K$7$F$_$k$C$F$N$,$*<j7Z$G$9!#(J

$@!t%X%?$J%$%s%?!<%j%V!&%3!<%I$r@_Dj$7$?$i!"%j%H%i%$!&%"%&%H!&%(%i!<$N(J
$@!t1~=7$r<u$1$^$9$N$GCm0U!#Gr$$%o%/$K#r$HEz$($k<j4V$,A}$($k$@$1$G$9$,!#(J

>$@!t(J $@%O!<%I%G%#%9%/$C$F!"$?$$$X!<$s!*(J
$@F146!#$G$b!"@V%i%s%W$rE@LG$5$;$D$D!"%3!"%3!"%3!"%3!"%3$H>.$5$$2;$r=P$7(J
$@$J$,$i%"%/%;%9$9$k;Q$K!VM+$$%d%D$8$c!W$H@<$r$+$1$?$/$J$j$^$9!#(J

$@JdB-!#%$%s%?!<%j%V!&%3!<%I$K$D$$$F!#$4B8CN$NJ}$O%9%-%C%W$7$F2<$5$$!#(J

$@%G%#%9%/$N!"#1$D$N%H%i%C%/!J1_HW#1<~J,!K$O!"%;%/%?$H8F$P$l$kC10L$GJ,3d(J
$@$5$l$F$$$F!"%O!<%I%G%#%9%/$KBP$7$F!"%;%/%?C10L$G%G!<%?$NFI$_=q$-$r9T$J(J
$@$&$H$$$&$N$O!"3'$5$s$4B8CN$@$H;W$$$^$9!#(J

$@$H$3$m$G!"$3$N%;%/%?$H$$$&$b$N!"<'@-LL$N>e$G!"$I$&$$$&=gHV$K$J$C$F$$$k(J
$@$+$4B8CN$G$7$g$&$+!)(J

$@=gHV$KJB$s$G$$$k!)0c$$$^$9!#$I$&$7$F=gHV$KJB$Y$J$$$+$H8@$&$H!"#1%;%/%?(J
$@FI$_9~$s$G%G!<%?E>Aw$r9T$J$$!"<!$N%;%/%?$rFI$b$&$H$7$?;~$K!"$9$G$KDL$j(J
$@2a$.$F$$$F$b$&#1<~$7$F2s$C$F$/$k$N$rBT$?$J$1$l$P$J$i$J$/$J$k$+$i$G$9!#(J

$@?^$K$9$k$H(J...

                                  fig.1
$@2sE>J}8~(J------>
+----------+----------+----------+--- || ---+----------+----------+
| $@#1%;%/%?(J | $@#2%;%/%?(J | $@#3%;%/%?(J | $@#1<~$9$k(J | $@#1%;%/%?(J | $@#2%;%/%?(J |
+----------+----------+----------+--- || ---+----------+----------+
 |<-$@FI=P(J->|<-$@E>Aw(J->|<-$@#2%;%/%?L\$^$GBT5!(J--------------->|<-$@FI=P(J->|
 |                 |
 |                $@#2%;%/%?L\%j!<%I;X<((J
$@#1%;%/%?L\%j!<%I;X<((J

$@#1%;%/%?L\$N%G!<%?$rE>Aw$7$F$$$k4V$K!"#2%;%/%?L\$,DL$j2a$.$F$7$^$C$F(J
$@#1%;%/%?FI$`EY$K%G%#%9%/$,#1<~$9$k$N$rBT$?$M$P$J$j$^$;$s!#(J

$@%;%/%?$NG[CV$r$A$g$C$HJQ$($F!"(J

                                  fig.2
$@2sE>J}8~(J------>
+----------+----------+----------+----------+----------+----------+
| $@#1%;%/%?(J |$@#1#7%;%/%?(J| $@#2%;%/%?(J |$@#1#8%;%/%?(J| $@#3%;%/%?(J |$@#1#9%;%/%?(J|
+----------+----------+----------+----------+----------+----------+
 |<-$@FI=P(J->|<-$@E>Aw(J->|<->|<-$@FI=P(J->|<-$@E>Aw(J->|<->|<-$@FI=P(J->|<-$@E>Aw(J->|
 |                 | $@BT5!(J                | $@BT5!(J
 |                $@#2%;%/%?L\%j!<%I;X<((J  $@#3%;%/%?L\%j!<%I;X<((J
$@#1%;%/%?L\%j!<%I;X<((J

$@$3$&$9$k$H!"FI$_=P$7!"E>Aw$N;~4V$,JQ2=$7$F$$$J$$$K$b4X$o$i$:!"<!$NL\E*(J
$@%;%/%?$r8+$D$1$k$^$G$N;~4V$,Bg$-$/JQ2=$7!"%H!<%?%k$G$NFI$_=P$7$,Aa$/$J(J
$@$j$^$9!#(J

$@$3$NNc$G$O!"(Jfig.1 $@$N#1<~$G#1%;%/%?$7$+FI$a$J$$$N$,!"(Jfig.2 $@$N#1<~$G#1#6(J
$@%;%/%?FI$a$kMM$K$J$j$^$9!#!J2r$j$d$9$$$h$&$K$9$k0Y$N!"$"$jF@$J$$6KC<$J(J
$@Nc$G$9$,!K(J

fig.2 $@$N$h$&$K!"2?%;%/%?$*$-$K%;%/%?$rJB$Y$k$+$H$$$&$N$,!"%$%s%?!<%j%V(J
$@%3!<%I$N0UL#$G$9!##1$K$9$k$H#1$DKh$K!"#6$K$9$k$H#6$DKh$K!"$H$J$j$^$9!#(J

$@%G!<%?E>Aw$O!"@\B3$5$l$?%3%s%T%e!<%?!J#S#A#S#I$NMQ8l$G$O%[%9%H$H8@$&!K(J
$@$N@-G=$K$h$C$F!"%9%T!<%I$,%P%i%P%i$J$N$G!"J*M}E*$JJB$S$rJQ$($k;v$K$h$j(J
$@:G9b$N%9%T!<%I$,F@$i$l$k$h$&$K$J$C$F$$$^$9!#(J

$@$3$l$,!"%$%s%?!<%j%V!&%3!<%I$N@5BN$J$N$G$7$?!#(J
--
   /   / /   /  __ \    ___/  _ \    \   / $@3t<02q<R%O%I%=%s!!OB(J  $@>:OB(J  $@:8?X(J
  ___ / /   /  /   /  \_ \   /  /  /  \ /  $@EDCf!!M5Fs(J (Yuuji Tanaka)
_/  _/ \__$@!?(J ____$@!?(J ____$@!?(J \__$@!?(J _/   _/   tan@hulab.hudson.co.jp