1 /* main.c - Frotz V2.40 main function
2 * Copyright (c) 1995-1997 Stefan Jokisch
4 * This file is part of Frotz.
6 * Frotz is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Frotz is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
22 * This is an interpreter for Infocom V1 to V6 games. It also supports
23 * the recently defined V7 and V8 games. Please report bugs to
35 extern void interpret (void);
36 extern void init_memory (void);
37 extern void init_undo (void);
38 extern void reset_memory (void);
40 /* Story file name, id number and size */
44 enum story story_id = UNKNOWN;
47 /* Story file header data */
52 zword h_resident_size = 0;
54 zword h_dictionary = 0;
57 zword h_dynamic_size = 0;
59 zbyte h_serial[6] = { 0, 0, 0, 0, 0, 0 };
60 zword h_abbreviations = 0;
61 zword h_file_size = 0;
63 zbyte h_interpreter_number = 0;
64 zbyte h_interpreter_version = 0;
65 zbyte h_screen_rows = 0;
66 zbyte h_screen_cols = 0;
67 zword h_screen_width = 0;
68 zword h_screen_height = 0;
69 zbyte h_font_height = 1;
70 zbyte h_font_width = 1;
71 zword h_functions_offset = 0;
72 zword h_strings_offset = 0;
73 zbyte h_default_background = 0;
74 zbyte h_default_foreground = 0;
75 zword h_terminating_keys = 0;
76 zword h_line_width = 0;
77 zbyte h_standard_high = 1;
78 zbyte h_standard_low = 0;
80 zword h_extension_table = 0;
81 zbyte h_user_name[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
83 zword hx_table_size = 0;
86 zword hx_unicode_table = 0;
90 zword stack[STACK_SIZE];
93 zword frame_count = 0;
97 bool ostream_screen = TRUE;
98 bool ostream_script = FALSE;
99 bool ostream_memory = FALSE;
100 bool ostream_record = FALSE;
101 bool istream_replay = FALSE;
102 bool message = FALSE;
104 /* Current window and mouse data */
112 /* Window attributes */
114 bool enable_wrapping = FALSE;
115 bool enable_scripting = TRUE;
116 bool enable_scrolling = FALSE;
117 bool enable_buffering = FALSE;
122 int option_attribute_assignment = 0;
123 int option_attribute_testing = 0;
124 int option_context_lines = 0;
125 int option_object_locating = 0;
126 int option_object_movement = 0;
127 int option_left_margin = 0;
128 int option_right_margin = 0;
129 int option_ignore_errors = 0;
130 int option_piracy = 0;
131 int option_undo_slots = MAX_UNDO_SLOTS;
132 int option_expand_abbreviations = 0;
133 int option_script_cols = 80;
134 int option_save_quetzal = 1;
137 int option_sound = 1;
138 char *option_zcode_path;
141 /* Size of memory to reserve (in bytes) */
143 long reserve_mem = 0;
146 * z_piracy, branch if the story file is a legal copy.
155 branch (!f_setup.piracy);
162 * Prepare and run the game.
167 #include "glkstart.h"
170 static char **myargv;
172 glkunix_argumentlist_t glkunix_arguments[] =
174 { "-a", glkunix_arg_NoValue, "-a: watch attribute setting" },
175 { "-A", glkunix_arg_NoValue, "-A: watch attribute testing" },
176 { "-i", glkunix_arg_NoValue, "-i: ignore fatal errors" },
177 { "-o", glkunix_arg_NoValue, "-o: watch object movement" },
178 { "-O", glkunix_arg_NoValue, "-O: watch object locating" },
179 { "-P", glkunix_arg_NoValue, "-P: alter piracy opcode" },
180 { "-Q", glkunix_arg_NoValue, "-Q: use old-style save format" },
181 { "-t", glkunix_arg_NoValue, "-t: set Tandy bit" },
182 { "-x", glkunix_arg_NoValue, "-x: expand abbreviations g/x/z" },
183 { "-I", glkunix_arg_NumberValue, "-I: interpreter number" },
184 { "-s", glkunix_arg_NumberValue, "-s: random number seed value" },
185 { "-S", glkunix_arg_NumberValue, "-S: transcript width" },
186 { "-u", glkunix_arg_NumberValue, "-u: slots for multiple undo" },
187 { "-Z", glkunix_arg_NumberValue, "-Z: error checking mode" },
188 { "", glkunix_arg_ValueFollows, "filename: The game file to load." },
189 { NULL, glkunix_arg_End, NULL }
192 int glkunix_startup_code(glkunix_startup_t *data)
198 os_process_arguments (myargc, myargv);