diff -ur dosbox-0.73/include/dos_inc.h DOSBox/include/dos_inc.h
--- dosbox-0.73/include/dos_inc.h	Wed May 27 11:15:40 2009
+++ DOSBox/include/dos_inc.h	Mon Jun 29 17:51:20 2009
@@ -72,7 +72,8 @@
 enum { MCB_FREE=0x0000,MCB_DOS=0x0008 };
 enum { RETURN_EXIT=0,RETURN_CTRLC=1,RETURN_ABORT=2,RETURN_TSR=3};
 
-#define DOS_FILES 127
+extern Bitu DOS_FILES;
+
 #define DOS_DRIVES 26
 #define DOS_DEVICES 10
 
@@ -93,7 +94,7 @@
 
 /* internal Dos Tables */
 
-extern DOS_File * Files[DOS_FILES];
+extern DOS_File ** Files;
 extern DOS_Drive * Drives[DOS_DRIVES];
 extern DOS_Device * Devices[DOS_DEVICES];
 
diff -ur dosbox-0.73/src/dos/dos.cpp DOSBox/src/dos/dos.cpp
--- dosbox-0.73/src/dos/dos.cpp	Mon May 25 20:44:44 2009
+++ DOSBox/src/dos/dos.cpp	Mon Jun 29 17:50:54 2009
@@ -1120,6 +1120,8 @@
 		//	pop ax
 		//	iret
 
+		Section_prop * section=static_cast<Section_prop *>(configuration);
+		DOS_FILES = section->Get_int("files");
 		DOS_SetupFiles();								/* Setup system File tables */
 		DOS_SetupDevices();							/* Setup dos devices */
 		DOS_SetupTables();
@@ -1144,6 +1146,7 @@
 	}
 	~DOS(){
 		for (Bit16u i=0;i<DOS_DRIVES;i++) delete Drives[i];
+		delete [] Files;
 	}
 };
 
diff -ur dosbox-0.73/src/dos/dos_files.cpp DOSBox/src/dos/dos_files.cpp
--- dosbox-0.73/src/dos/dos_files.cpp	Mon May 25 20:44:44 2009
+++ DOSBox/src/dos/dos_files.cpp	Mon Jun 29 17:52:53 2009
@@ -40,8 +40,8 @@
 #define FCB_ERR_EOF     3
 #define FCB_ERR_WRITE   1
 
-
-DOS_File * Files[DOS_FILES];
+Bitu DOS_FILES = 127;
+DOS_File ** Files;
 DOS_Drive * Drives[DOS_DRIVES];
 
 Bit8u DOS_GetDefaultDrive(void) {
@@ -1207,6 +1207,7 @@
 
 void DOS_SetupFiles (void) {
 	/* Setup the File Handles */
+	Files = new DOS_File * [DOS_FILES];
 	Bit32u i;
 	for (i=0;i<DOS_FILES;i++) {
 		Files[i]=0;
diff -ur dosbox-0.73/src/dosbox.cpp DOSBox/src/dosbox.cpp
--- dosbox-0.73/src/dosbox.cpp	Mon May 25 20:44:46 2009
+++ DOSBox/src/dosbox.cpp	Mon Jun 29 17:39:05 2009
@@ -657,6 +657,9 @@
 	Pstring = secprop->Add_string("keyboardlayout",Property::Changeable::WhenIdle, "auto");
 	Pstring->Set_help("Language code of the keyboard layout (or none).");
 
+	Pint = secprop->Add_int("files",Property::Changeable::OnlyAtStart,127);
+	Pint->Set_help("Number of file handles available to DOS programs. (equivalent to \"files=\" in config.sys)");
+
 	// Mscdex
 	secprop->AddInitFunction(&MSCDEX_Init);
 	secprop->AddInitFunction(&DRIVES_Init);