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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
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Torne Wuff
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205
apps/plugins/frotz/main.c
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apps/plugins/frotz/main.c
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/* main.c - Frotz V2.40 main function
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* Copyright (c) 1995-1997 Stefan Jokisch
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*
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* Changes for Rockbox copyright 2009 Torne Wuff
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*
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* This file is part of Frotz.
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*
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* Frotz is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Frotz is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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/*
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* This is an interpreter for Infocom V1 to V6 games. It also supports
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* the recently defined V7 and V8 games. Please report bugs to
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*
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* s.jokisch@avu.de
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*
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*/
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#include "frotz.h"
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#ifndef MSDOS_16BIT
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#define cdecl
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#endif
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extern void interpret (void);
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extern void init_memory (void);
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extern void init_undo (void);
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extern void reset_memory (void);
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extern void init_buffer (void);
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extern void init_sound (void);
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extern void init_process (void);
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extern void script_close (void);
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extern void record_close (void);
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extern void replay_close (void);
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/* Story file name, id number and size */
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const char *story_name = 0;
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enum story story_id = UNKNOWN;
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long story_size = 0;
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/* Story file header data */
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zbyte h_version = 0;
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zbyte h_config = 0;
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zword h_release = 0;
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zword h_resident_size = 0;
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zword h_start_pc = 0;
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zword h_dictionary = 0;
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zword h_objects = 0;
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zword h_globals = 0;
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zword h_dynamic_size = 0;
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zword h_flags = 0;
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zbyte h_serial[6] = { 0, 0, 0, 0, 0, 0 };
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zword h_abbreviations = 0;
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zword h_file_size = 0;
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zword h_checksum = 0;
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zbyte h_interpreter_number = 0;
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zbyte h_interpreter_version = 0;
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zbyte h_screen_rows = 0;
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zbyte h_screen_cols = 0;
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zword h_screen_width = 0;
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zword h_screen_height = 0;
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zbyte h_font_height = 1;
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zbyte h_font_width = 1;
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zword h_functions_offset = 0;
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zword h_strings_offset = 0;
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zbyte h_default_background = 0;
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zbyte h_default_foreground = 0;
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zword h_terminating_keys = 0;
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zword h_line_width = 0;
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zbyte h_standard_high = 1;
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zbyte h_standard_low = 0;
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zword h_alphabet = 0;
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zword h_extension_table = 0;
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zbyte h_user_name[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
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zword hx_table_size = 0;
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zword hx_mouse_x = 0;
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zword hx_mouse_y = 0;
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zword hx_unicode_table = 0;
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/* Stack data */
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zword stack[STACK_SIZE];
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zword *sp = 0;
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zword *fp = 0;
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zword frame_count = 0;
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/* IO streams */
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bool ostream_screen = TRUE;
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bool ostream_script = FALSE;
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bool ostream_memory = FALSE;
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bool ostream_record = FALSE;
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bool istream_replay = FALSE;
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bool message = FALSE;
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/* Current window and mouse data */
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int cwin = 0;
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int mwin = 0;
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int mouse_y = 0;
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int mouse_x = 0;
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/* Window attributes */
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bool enable_wrapping = FALSE;
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bool enable_scripting = FALSE;
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bool enable_scrolling = FALSE;
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bool enable_buffering = FALSE;
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/* User options */
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/*
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int option_attribute_assignment = 0;
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int option_attribute_testing = 0;
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int option_context_lines = 0;
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int option_object_locating = 0;
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int option_object_movement = 0;
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int option_left_margin = 0;
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int option_right_margin = 0;
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int option_ignore_errors = 0;
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int option_piracy = 0;
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int option_undo_slots = MAX_UNDO_SLOTS;
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int option_expand_abbreviations = 0;
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int option_script_cols = 80;
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int option_save_quetzal = 1;
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*/
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int option_sound = 1;
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char *option_zcode_path;
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/*
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* z_piracy, branch if the story file is a legal copy.
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*
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* no zargs used
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*
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*/
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void z_piracy (void)
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{
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branch (!f_setup.piracy);
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}/* z_piracy */
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/*
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* main
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*
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* Prepare and run the game.
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*
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*/
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int cdecl frotz_main (void)
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{
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os_init_setup ();
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init_buffer ();
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init_err ();
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init_memory ();
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init_process ();
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init_sound ();
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os_init_screen ();
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init_undo ();
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z_restart ();
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interpret ();
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script_close ();
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record_close ();
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replay_close ();
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reset_memory ();
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os_reset_screen ();
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return 0;
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}/* main */
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