diff --git a/backends/frotz/hotkey.c b/backends/frotz/hotkey.c
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+/* hotkey.c - Hot key functions
+ *	Copyright (c) 1995-1997 Stefan Jokisch
+ *
+ * This file is part of Frotz.
+ *
+ * Frotz is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Frotz is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include "frotz.h"
+
+extern int restore_undo (void);
+
+extern int read_number (void);
+
+extern int read_yes_or_no (const char *);
+
+extern void replay_open (void);
+extern void replay_close (void);
+extern void record_open (void);
+extern void record_close (void);
+
+extern void seed_random (int);
+
+/*
+ * hot_key_debugging
+ *
+ * ...allows user to toggle cheating options on/off.
+ *
+ */
+
+static int hot_key_debugging (void)
+{
+
+    print_string ("Debugging options\n");
+
+    f_setup.attribute_assignment = read_yes_or_no ("Watch attribute assignment");
+    f_setup.attribute_testing = read_yes_or_no ("Watch attribute testing");
+
+    f_setup.object_movement = read_yes_or_no ("Watch object movement");
+    f_setup.object_locating = read_yes_or_no ("Watch object locating");
+
+    return FALSE;
+
+}/* hot_key_debugging */
+
+/*
+ * hot_key_help
+ *
+ * ...displays a list of all hot keys.
+ *
+ */
+
+static int hot_key_help (void) {
+
+    print_string ("Help\n");
+
+    print_string (
+	"\n"
+	"Alt-D  debugging options\n"
+	"Alt-H  help\n"
+	"Alt-N  new game\n"
+	"Alt-P  playback on\n"
+	"Alt-R  recording on/off\n"
+	"Alt-S  seed random numbers\n"
+	"Alt-U  undo one turn\n"
+	"Alt-X  exit game\n");
+
+    return FALSE;
+
+}/* hot_key_help */
+
+/*
+ * hot_key_playback
+ *
+ * ...allows user to turn playback on.
+ *
+ */
+
+static int hot_key_playback (void)
+{
+
+    print_string ("Playback on\n");
+
+    if (!istream_replay)
+	replay_open ();
+
+    return FALSE;
+
+}/* hot_key_playback */
+
+/*
+ * hot_key_recording
+ *
+ * ...allows user to turn recording on/off.
+ *
+ */
+
+static int hot_key_recording (void)
+{
+
+    if (istream_replay) {
+	print_string ("Playback off\n");
+	replay_close ();
+    } else if (ostream_record) {
+	print_string ("Recording off\n");
+	record_close ();
+    } else {
+	print_string ("Recording on\n");
+	record_open ();
+    }
+
+    return FALSE;
+
+}/* hot_key_recording */
+
+/*
+ * hot_key_seed
+ *
+ * ...allows user to seed the random number seed.
+ *
+ */
+
+static int hot_key_seed (void)
+{
+
+    print_string ("Seed random numbers\n");
+
+    print_string ("Enter seed value (or return to randomize): ");
+    seed_random (read_number ());
+
+    return FALSE;
+
+}/* hot_key_seed */
+
+/*
+ * hot_key_undo
+ *
+ * ...allows user to undo the previous turn.
+ *
+ */
+
+static int hot_key_undo (void)
+{
+
+    print_string ("Undo one turn\n");
+
+    if (restore_undo ()) {
+
+	if (h_version >= V5) {		/* for V5+ games we must */
+	    store (2);			/* store 2 (for success) */
+	    return TRUE;		/* and abort the input   */
+	}
+
+	if (h_version <= V3) {		/* for V3- games we must */
+	    z_show_status ();		/* draw the status line  */
+	    return FALSE;		/* and continue input    */
+	}
+
+    } else print_string ("No more undo information available.\n");
+
+    return FALSE;
+
+}/* hot_key_undo */
+
+/*
+ * hot_key_restart
+ *
+ * ...allows user to start a new game.
+ *
+ */
+
+static int hot_key_restart (void)
+{
+
+    print_string ("New game\n");
+
+    if (read_yes_or_no ("Do you wish to restart")) {
+
+	z_restart ();
+	return TRUE;
+
+    } else return FALSE;
+
+}/* hot_key_restart */
+
+/*
+ * hot_key_quit
+ *
+ * ...allows user to exit the game.
+ *
+ */
+
+static int hot_key_quit (void)
+{
+
+    print_string ("Exit game\n");
+
+    if (read_yes_or_no ("Do you wish to quit")) {
+
+	z_quit ();
+	return TRUE;
+
+    } else return FALSE;
+
+}/* hot_key_quit */
+
+/*
+ * handle_hot_key
+ *
+ * Perform the action associated with a so-called hot key. Return
+ * true to abort the current input action.
+ *
+ */
+
+int handle_hot_key (zchar key)
+{
+
+    if (cwin == 0) {
+
+	int aborting;
+
+	aborting = FALSE;
+
+	print_string ("\nHot key -- ");
+
+	switch (key) {
+	    case ZC_HKEY_RECORD: aborting = hot_key_recording (); break;
+	    case ZC_HKEY_PLAYBACK: aborting = hot_key_playback (); break;
+	    case ZC_HKEY_SEED: aborting = hot_key_seed (); break;
+	    case ZC_HKEY_UNDO: aborting = hot_key_undo (); break;
+	    case ZC_HKEY_RESTART: aborting = hot_key_restart (); break;
+	    case ZC_HKEY_QUIT: aborting = hot_key_quit (); break;
+	    case ZC_HKEY_DEBUG: aborting = hot_key_debugging (); break;
+	    case ZC_HKEY_HELP: aborting = hot_key_help (); break;
+	}
+
+	if (aborting)
+	    return TRUE;
+
+	print_string ("\nContinue input...\n");
+
+    }
+
+    return FALSE;
+
+}/* handle_hot_key */