!BAT
insmod /%grub%/getstr.g4b

# pick an ISO
getstr.g4b $$STRbx21
echo -e %STR%

#echo XP INSTALL - STEP 2
#echo ===================
echo
if not "%XPISO%"=="" set ISO=%XPISO% && goto :skpxpi
# list all files in the folder so the user can pick one
/%grub%/PickaFile.g4b %MFOLDER% .ISO
echo
# check if user aborted
if "%CHOSEN%"==""  echo Aborting... && /%grub%/configX.g4b (bd)/%grub%/menuWinInstall.lst
set ISO=%CHOSEN%
:skpxpi

# load winvblock anyway!
map --mem (bd)/%grub%/NewWinVBlock.ima.gz (fd0) > nul
map --mem (bd)/%grub%/NewWinVBlock.ima.gz (fd1) > nul

#hd0 is USB
#hd1 is real HDD
# note: --mem is used first - if not enough memory then retry try without loading iso into ramdrive (but may get BSOD)
# we must load the ISO into memory, so it will be slow to load here ...
getstr.g4b $$STRbx22
call echo -e %STR%
#echo -e Loading %ISO% into memory - please wait...

map (hd0) ()
map (hd1) (hd0)

map --mem %MFOLDER%/%ISO% (0xff) || map  %MFOLDER%/%ISO% (0xff)

#set /a HDCNT=*0x475 & 0xff - 1 > nul
#set topmap=(hd%HDCNT%)
clear
#if %HDCNT%>=1 map (hd0) %topmap% > nul && map (hd1) (hd0) && echo Mapping (hd0) to %topmap% and (hd1) to (hd0)
#if %HDCNT%>=2 map (hd2) (hd1) > nul && if %HDCNT%>=3 map (hd3) (hd2) > nul && if %HDCNT%>=4 map (hd4) (hd3) > nul  && if %HDCNT%>=5 map (hd5) (hd4) > nul && if %HDCNT%>=6 map (hd6) (hd5) > nul && if %HDCNT%>=7 map (hd7) (hd6) > nul && if %HDCNT%>=8 map (hd8) (hd7) > nul

map --hook > nul
map --rd-size=2048 > nul
map --mem (rd)+4 (0x55) > nul
map --rehook > nul
write (0x55) #!GRUB4DOS\x00v=1\x00%MFOLDER%/%ISO%\x00\xA0\x00 > nul
root (hd0,0) > nul || root (hd0,1) > nul || root (hd0,2) > nul || rootnoverify (hd0,0) > nul

getstr.g4b $$STRb021
set /u /p:5 ask=%STR%
# SPACEBAR=Pause, ENTER=Start now - STARTING IN 5 SECONDS...
if "%ask%"=="D" commandline
if "%ask%"=="C" commandline
if "%ask%"=="A" map --unmap=0:0xff > nul && map --unhook > nul && root (bd) > nul && /%grub%/configX.g4b (bd)/%grub%/menuWinInstall.lst

chainloader (hd0)+1
::pause --wait=2 You may unplug this USB drive - now booting from hard disk...
exit

