grub4dos

title WinXP x64
set ISOPATH=/WINSETUP/GENSP2x.ISO
if NOT %DPMS%==1 map --unhook
if NOT %DPMS%==1 map --unmap=0:0xff  && map --rehook
savedefault +1
ls /shifthd.bat > nul || find --set-root --devices=hf /shifthd.bat
/shifthd.bat
root (hd%RDSK%,0)
ls %ISOPATH% > nul || find --set-root --devices=h %ISOPATH% > nul
map --mem %ISOPATH% (0xff)
map --e820cycles=3
map --rehook
ls (0xff)/ > nul && root (0xff)
ls (0xff)/ > nul || echo Fatal error while creating virtual disk 0xFF...
if "%RDSK%"=="" pause Fatal error while swaping hard disk order, cannot continue! #### && configfile /winsetup.lst
if not %RDSK%==1 ls (0xff)/I386/TXTSETUP.SIF > nul && cat --locatei=rdisk(1) --replace=rdisk(%RDSK%) (0xff)/I386/TXTSETUP.SIF
if not %RDSK%==1 ls (0xff)/AMD64/TXTSETUP.SIF > nul && cat --locatei=rdisk(1) --replace=rdisk(%RDSK%) (0xff)/AMD64/TXTSETUP.SIF
ls /I386/SETUPLDR.BIN > nul && set LDR=/I386/SETUPLDR.BIN
chainloader %LDR%
pause --wait=5 Launching Setup from (hd%RDSK%,0)
boot
#we should not get here but just in case of errors above...
map --unhook
map --unmap=0:0xff && map --rehook

title CRUX
map  --mem  (hd0,12)/ISO/crux-3.0.iso  (hd32)
map  --hook
chainloader  (hd32)