                      Zurenava DOS extender(ZRDX).
            DOS4GW ᮢ⨬ ⥫ ,   0.50.
       Copyright(C) 1998-1999 by Sergey Belyakov(S.Belyakov@chat.ru).
                    Homepage:http://www.zrdx.da.ru
   maillist: http://zrdx.listbot.com, mailto:zrdx-subscribe@listbot.com
    (  ᨩ, ⨢ ଠ   訡).

  ZRDX ᨨ 0.50 ࠭  freeware   ᢮ ஢
 ᯮ짮   楫,  ᪨, ⠪  ᪨. 
ࠧࠡ  ᯮ짮 ணࠬ த⮢  ᭮ ZRDX, ᮧ
⥬ 䨪樨 /  ਣ 室 ⥪⮢  筮
 ZRDX  뢠  ࠭祭.
   ࠢ  室 ⥪ ZRDX ਭ , ࣥ 类.
  ZRDX ।⠢ " ".   ࠭,  ZRDX  ᮤন
訡     ⢥⢥  , ᥭ - 
裡  ᯮ짮  ᯮ짮 ZRDX.

                ⪮ ᠭ 祭  ⥩.
  zrdx  ᯮ짮  ᯮ ணࠬ, ࠧࠡ⠭ 
dos4gw, pmode/w, dos32a, wdosx  ᯮ짮 ஢ Watcom C++,
TMT pascal, LadSoft C,  .. ᯮ塞  zrdx ਫ 㯭
 䨧᪠ ( 4G),  㭪樨 dpmi(int 31h)  筮 ᮮ⢥⢨
 ᯥ䨪樥 dpmi 0.9,  ᪫祭 㪭権 0A00h-0B03h. 
⥫ ᯥ稢 ࠭  㭪権,  ࠭᫨ pmode/w,
 ᪫祭 䨪樨,   ,  ࠭᫨ dos4gw.
᫨  ᯮ ⮫쪮 ⠭ ⥪,  ন 㭪権
筮  ଠ쭮 ࠡ,  ᫨ ।⢥ 뢠 , 
 ᯨ᮪ ࠭᫨㥬 㭪権  ⮤ ࠭樨  ᬮ
 室 䠩 src/extender.asm.
   㯠 ᯮ塞 㫥 ४ ᯮ짮 㯠騪 upx,
 ⥫쭮 䥪⨢ pmwlite.

                     짮 ⨫⮩ ZRXBIND.
  ⥫  zrdx -  ணࠬ,  ᮥ  砫
᭮ , ᫥ ᪠  ४砥  饭 ०, 
㦠   ᭮ .   ࠡ DOS4GW  㣨 
 ⥫.
⮡ ᮥ zrdx  㦥 ᪮ ணࠬ, 室 ᯮ짮
zrxbind c 砬 -r  -c.  箬 -r(replace) zrxbind 頥  stub
 ᢮   客 (᫨   -n).  箬 -c(copy)
zrxbind  㪠 ணࠬ   䠩,  stub   䠩
 ⠢  .
ਬ:
  "zrxbind -r -n doom.exe" ᮥ zrdx  䠩 "doom.exe",  
客筮 .
  "zrxbind -c doom.exe doomz.exe" ᮧ 䠩 "doomz.exe", ᮥ  
zrdx,  ⠢ 䠩 "doom.exe"  .

  ⮡ ᮥ stub zrdx  ணࠬ  ⠯ , 
室   zrxbind.  ⮣ ᫥ ᯮ짮 箬 -w.
ਬ,  "zrxbind -w zrdx.exe"  stub  䠩 "zrdx.exe" 
  㤥 ᮥ, 㪠  騪 wlink
option stub=zrdx.exe.

                     ⨫ ZRXSETUP   樨.
   zrxsetup ।祭  ⥫쭮 䨣஢  ⥭.
᮪ 祩  , ⨢ zrxsetup /?.
ࠬ ।  䠩  ਡ zrdx  ᠬ stub, 
室 ⪮䨣஢. ᫨   ⥫   㪠, 
zrxsetup 뤠 ᮮ饭  ⥪饩 䨣樨. ᫨  㪠, 
᫥ ⮣  ᮮ饭 ,  ࠬ   뫨   
祭 ࠭  䠩.
ᠭ 祩:
/X<hex number> - ᨬ ࠧ ࠧ頥   ० raw/xms.
    xms/raw 䥩   ଠ쭮  ꥬ  "
  室",   㬮砭 zrdx 墠뢠  㯭 . ᫨
  ணࠬ ᫥ ⮣  ,  ७  㤥  
  㯭. ⮬  ⨬ 믮 exec ᫥ 業
  ᨬ ॡ㥬 ꥬ ,  㪠  ⨬ ࠬ஬.
   ० vcpi  dpmi  ஡  .  vcpi zrdx 墠뢠
  ࠭ ⮫쪮   ॡ  ⮬,   dpmi  
  । dpmi ࢥ஬.
/L<hex number> - । ᪮쪮   㦭 ⠢ ᢮.
   樠樨 dpmi ࢥ zrdx  ⠫쭠 㯭  㤥
  ࠢ  ७ 祭  饬   dpmi ࢥ. 
  ࠧ, 㬥襭 ⮣ ࠬ   㢥祭 饣 ꥬ ,
  㯭 . ᫨ ਫ ॡ 믮 exec,  ⠢
   ࠬ  ᨬ쭮 祭(0F000h). ᫨  exec  㦥, 
    ⠭  ᮮ⢥⢨  ⥬ ꥬ  , 
  ⥫쭮 㦥 ணࠬ(६, 뤥 १ int 31h, ax=100h).
  쭮 祭 - 0.  ⮣ ࠬ  ଠ쭮
  ᯮ 訥 ணࠬ    ⢨ ७ .
/T<hex number> - ।    -⥭.
      ࠡ ⮫쪮   ,  ࠬ ७
  㭪権  室  㣮,  । ⠪ ࠬ஢ 
    ਫ ᯮ ᯥ樠쭮 뤥  .
  ,  ⥭ 䠩 -⥭  ࠧ   ⥭ 
  ᪮쪮 ⪨  ᫥  ஢   
  ᮮ⢥  ,  ⮬.    ,
  ⥬  ⥭ ॡ.  ࠧ, 㢥祭   
   ᪮쪮 ᪮ "" ᪮ 樨,   ⮦ ६
  㬥蠥 ꥬ ᢮  .
/M<1/0> - 冷 ⥪஢ 䥩ᮢ 饭 ०,
  0 - dpmi/vcpi/xms/raw, 1 - vcpi/dpmi/xms/raw.
   ⠭ ४  ਠ(  ⤠ ।⥭
  dpmi),   ࠪ⨪  dpmi ࢥ ⫨ 襭
   , ਬ, ।⠢ vmm   ६,   ᮢᥬ
   㦭  蠥. ⮬ 設⢮ -⥭஢,  dos4gw,
  ⤠ ।⥭ vcpi(᫨  , 筮).
/B<1/0> -  /몫 뤠 ࠩ   
   ⥭. ਨ 譨;  - :).

  ,  ⨫ ,  ࠬ஢  , 祬 
pmode/w  dos32a.  ᭥  ᭮ ⥬,   zrdx ࠧ
 襩 ⥯ ᯮᮡ  ᪮ 䨣樨. ,  㭪⠬:
- zrdx ᪨ 뤥   ࠭ ⠡( ᭮ 
  ⮦)  vcpi ०     ⮬. 祬 ࠭
  ⠡ ࠧ ⮫쪮  孥   騩 ꥬ 㥬 
  ⨣ 4 .
- zrdx 祪 뤥 ࠭   䨧᪮ ࠭⢠
   ( 稨 ᢮ , ࠧ㬥). 騩 ꥬ ⠪
    ⨣ 4 ,  稨 4  ᢮
  .
- zrdx ᪨ 뤥   LDT.    LDT ⤠
   ࠭(511 ᥫ஢), , ᫨ ॡ  ᥫ஢,
  LDT 㤥  묨 ࠭栬  8191 ᥫ஢.
- zrdx ᯮ ਭ樯쭮  ⥬ ࠢ ⥪,  
  㦤   筮 ன. ⢥,   뫮  ࠨ,
   騩 ꥬ ᮯ殮  ⥪( 㦥 ⮫쪮 ),  512
    㬮砭  ⮣  祬 筮.
-  뫮  ࠨ ᫮ real mode callback,  ᫨ ணࠬ
  ॡ   20,   㤥 ࠡ  ० dpmi, ⠪ 
  設⢮ dpmi ࢥ஢ ।⠢  20 real mode callbacks.

                      祭 䠩 VMM.ASM.
     ᮡ ᯥਬ⠫   প vmm.
 ⮣   䠩 segdefs.asm ஢  Release = 1 
᪮஢ VMM=1.  ⥬  ࠡ⠭, ⠪,  ন
᢮ ࠭  vcpi, ⮬ ᪠  ᫥ ⮫쪮  ०
raw/xms. ஬ ⮣  ॠ 㭪 ࠧ஢ ࠭,   
ࠢ쭠 ࠡ  ᢮-䠩( 㦭 ८뢠   
  㤠  襭).  ᪮ vmm ࠡ⠥  㦥, 祬 
dos4gw.
