New plugin: frotz, a Z-machine interpreter, for playing interactive fiction.

The interpreter more or less passes all the tests in the z-machine test suite.
It should build for every target except Archos (for which it is disabled).


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24267 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 56 insertions, 0 deletions

diff --git a/apps/plugins/frotz/frotzplugin.h b/apps/plugins/frotz/frotzplugin.h
new file mode 100644
index 0000000000..8caddb470d
--- /dev/null
+++ b/apps/plugins/frotz/frotzplugin.h
@@ -0,0 +1,56 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2009 Torne Wuff
+ *
+ * This program 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.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef _FROTZPLUGIN_H_
+#define _FROTZPLUGIN_H_
+
+#include "plugin.h"
+
+/*
+ * pretend stdio.h is implemented. references to FILE * still have to be
+ * changed to int, and references to NULL into -1, but there are less of those
+ */
+#define fread(ptr, size, nmemb, stream) rb->read(stream, ptr, size*nmemb)
+#define fwrite(ptr, size, nmemb, stream) rb->write(stream, ptr, size*nmemb)
+#define fclose(stream) rb->close(stream)
+#define fseek(stream, offset, whence) rb->lseek(stream, offset, whence)
+#define ftell(stream) rb->lseek(stream, 0, SEEK_CUR)
+#define ferror(stream) 0
+
+/*
+ * we need functions for character io
+ */
+extern int ungetc(int c, int f);
+extern int fgetc(int f);
+extern int fputc(int c, int f);
+
+/*
+ * this is used instead of os_read_key for more prompts and the like
+ * since the menu can't be used there.
+ */
+extern void wait_for_key(void);
+
+/*
+ * wrappers
+ */
+#define strchr(s, c) rb->strchr(s, c)
+#define strcpy(dest, src) rb->strcpy(dest, src)
+
+#endif /* _FROTZPLUGIN_H_ */