rockbox/apps/plugins/frotz/main.c
Torne Wuff 7f28c94eda 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
2010-01-17 22:15:13 +00:00

205 lines
4.1 KiB
C

/* main.c - Frotz V2.40 main function
* Copyright (c) 1995-1997 Stefan Jokisch
*
* Changes for Rockbox copyright 2009 Torne Wuff
*
* 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
*/
/*
* This is an interpreter for Infocom V1 to V6 games. It also supports
* the recently defined V7 and V8 games. Please report bugs to
*
* s.jokisch@avu.de
*
*/
#include "frotz.h"
#ifndef MSDOS_16BIT
#define cdecl
#endif
extern void interpret (void);
extern void init_memory (void);
extern void init_undo (void);
extern void reset_memory (void);
extern void init_buffer (void);
extern void init_sound (void);
extern void init_process (void);
extern void script_close (void);
extern void record_close (void);
extern void replay_close (void);
/* Story file name, id number and size */
const char *story_name = 0;
enum story story_id = UNKNOWN;
long story_size = 0;
/* Story file header data */
zbyte h_version = 0;
zbyte h_config = 0;
zword h_release = 0;
zword h_resident_size = 0;
zword h_start_pc = 0;
zword h_dictionary = 0;
zword h_objects = 0;
zword h_globals = 0;
zword h_dynamic_size = 0;
zword h_flags = 0;
zbyte h_serial[6] = { 0, 0, 0, 0, 0, 0 };
zword h_abbreviations = 0;
zword h_file_size = 0;
zword h_checksum = 0;
zbyte h_interpreter_number = 0;
zbyte h_interpreter_version = 0;
zbyte h_screen_rows = 0;
zbyte h_screen_cols = 0;
zword h_screen_width = 0;
zword h_screen_height = 0;
zbyte h_font_height = 1;
zbyte h_font_width = 1;
zword h_functions_offset = 0;
zword h_strings_offset = 0;
zbyte h_default_background = 0;
zbyte h_default_foreground = 0;
zword h_terminating_keys = 0;
zword h_line_width = 0;
zbyte h_standard_high = 1;
zbyte h_standard_low = 0;
zword h_alphabet = 0;
zword h_extension_table = 0;
zbyte h_user_name[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
zword hx_table_size = 0;
zword hx_mouse_x = 0;
zword hx_mouse_y = 0;
zword hx_unicode_table = 0;
/* Stack data */
zword stack[STACK_SIZE];
zword *sp = 0;
zword *fp = 0;
zword frame_count = 0;
/* IO streams */
bool ostream_screen = TRUE;
bool ostream_script = FALSE;
bool ostream_memory = FALSE;
bool ostream_record = FALSE;
bool istream_replay = FALSE;
bool message = FALSE;
/* Current window and mouse data */
int cwin = 0;
int mwin = 0;
int mouse_y = 0;
int mouse_x = 0;
/* Window attributes */
bool enable_wrapping = FALSE;
bool enable_scripting = FALSE;
bool enable_scrolling = FALSE;
bool enable_buffering = FALSE;
/* User options */
/*
int option_attribute_assignment = 0;
int option_attribute_testing = 0;
int option_context_lines = 0;
int option_object_locating = 0;
int option_object_movement = 0;
int option_left_margin = 0;
int option_right_margin = 0;
int option_ignore_errors = 0;
int option_piracy = 0;
int option_undo_slots = MAX_UNDO_SLOTS;
int option_expand_abbreviations = 0;
int option_script_cols = 80;
int option_save_quetzal = 1;
*/
int option_sound = 1;
char *option_zcode_path;
/*
* z_piracy, branch if the story file is a legal copy.
*
* no zargs used
*
*/
void z_piracy (void)
{
branch (!f_setup.piracy);
}/* z_piracy */
/*
* main
*
* Prepare and run the game.
*
*/
int cdecl frotz_main (void)
{
os_init_setup ();
init_buffer ();
init_err ();
init_memory ();
init_process ();
init_sound ();
os_init_screen ();
init_undo ();
z_restart ();
interpret ();
script_close ();
record_close ();
replay_close ();
reset_memory ();
os_reset_screen ();
return 0;
}/* main */