diff --git a/pandatool/src/scripts/basedlls.pl b/pandatool/src/scripts/basedlls.pl
new file mode 100755
index 0000000000..5f6d4c7652
--- /dev/null
+++ b/pandatool/src/scripts/basedlls.pl
@@ -0,0 +1,92 @@
+#!perl
+
+# generate address base file for panda dlls
+# to simplify things, do it for Opt1 and reuse that for Opt2, 
+# and do it for Opt3 and use that for Opt4, since they will both be bigger than counterparts
+# to run, 'perl basedlls.pl' will generate dllbase.txt and dllbase_d.txt in 'tmp' dir under current
+
+$archive_root="\\\\dimbo\\panda\\win\\";
+
+# note: this is the order dlls will be laid out in memory
+@dll_names=("libpanda","libpandadx","libpandagl","libpandaexpress","libpandaphysics",
+            "libshader","libdtool","libdtoolconfig","libpystub","libdirect","libtoontown",
+            "libaudio_load_midi","libaudio_load_mp3","libaudio_load_st","libaudio_load_wav",
+            "libpandaegg");
+
+@headerstrs=(
+"This file is used by the MSVC linker to specify DLL base addresses to",
+"prevent runtime relocation of DLLs by the windows loader.  This speeds",
+"loading.  This file was generated using \$PANDATOOL/src/scripts/basedlls.pl",
+"which uses rebase.exe from the MS platform SDK.  It may additionally be",
+"hand-hacked to simplify addresses for popular dlls to aid debugging."
+);
+
+$headerstr="";
+for($i=0;$i<=$#headerstrs;$i++) {
+   $headerstr.="; ".$headerstrs[$i]."\n";
+}
+$headerstr.="\n";
+
+@modules=("dtool","panda","direct","toontown");
+
+$dll_names_nodbg="";
+$dll_names_dbg="";
+
+foreach my $nm (@dll_names) {
+   $dll_names_nodbg.=" ".$nm.".dll";
+   $dll_names_dbg.=" ".$nm."_d.dll";
+}
+
+# 0x60000000 is the recommended base address for user dll addr space
+$baseaddr="0x60000000";
+$dllbasefile="dllbase.txt";
+$dllbasefile_dbg="dllbase_d.txt";
+$basedlllogfilename="log.txt";
+
+# rebase will modify input dlls, so make tmp copies of them
+if(!(-d "tmp")) {
+   system("mkdir tmp");
+}
+chdir("tmp");
+unlink($basedlllogfilename);
+
+############################
+### do debug
+
+$archivepath=$archive_root."debug";
+
+# need to remove existing files or rebase will just append to them
+open(OUTFILE, ">$dllbasefile") || die "Couldn't open $dllbasefile!\n";
+print OUTFILE $headerstr;
+close(OUTFILE);
+
+foreach my $dir1 (@modules) {    
+   my @args=("cmd.exe","/c","copy ".$archivepath."\\$dir1\\lib\\*.dll .");
+   system(@args);
+}
+
+$argstr="-v -b $baseaddr -c $dllbasefile -l $basedlllogfilename $dll_names_nodbg";
+@args=("cmd.exe","/C","rebase.exe $argstr");
+print $args[0]." ".$args[1]." ".$args[2]."\n";
+system(@args);
+
+############################
+### do release
+
+open(OUTFILE, ">$dllbasefile_dbg") || die "Couldn't open $dllbasefile!\n";
+print OUTFILE $headerstr;
+close(OUTFILE);
+
+$archivepath=$archive_root."release";
+foreach my $dir1 (@modules) {    
+   my @args=("cmd.exe","/c","copy ".$archivepath."\\$dir1\\lib\\*.dll .");
+   system(@args);
+}
+
+$argstr="-v -b $baseaddr -c $dllbasefile_dbg -l $basedlllogfilename $dll_names_dbg";
+@args=("cmd.exe","/C","rebase.exe $argstr");
+print $args[0]." ".$args[1]." ".$args[2]."\n";
+system(@args);
+
+exit(0);
+