4 * Copyright (C) 2015 Alexander Andrejevic <theflash AT sdf DOT lonestar DOT org>
5 * Copyright (C) 2015, 2019 Jason Self <j@jxself.org>
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>
20 * SPDX-License-Identifier: AGPL-3.0-or-later
35 const int DEFAULT_ZVERSION = 6;
37 enum { ZVERSION = 11, ZORKID, ZSERIAL };
39 enum { FAIL = -1, OK = 0, NEED_RESTART = 1 };
41 static struct option const long_options[] =
43 { "help", no_argument, NULL, 'h' },
44 { "version", no_argument, NULL, 'V' },
45 { "output", required_argument, NULL, 'o' },
46 { "zversion", required_argument, NULL, ZVERSION },
47 { "zorkid", required_argument, NULL, ZORKID },
48 { "serial", required_argument, NULL, ZSERIAL },
58 int zversion; /* 0 - 8 */
59 int zorkid; /* 0 - 65535 */
60 char zserial[7]; /* YYMMDD */
61 Opcode_dict *opcode_dict;
64 void wrong_arg(const char *err, ...)
69 vfprintf(stderr, err, ap);
72 fprintf(stderr, "Try `" PACKAGE_NAME " --help' for more information.\n");
78 printf( PACKAGE_STRING "\n"
79 "License AGPLv3+: GNU AGPL version 3 or later\n"
80 "<http://gnu.org/licenses/agpl.html>\n"
81 "This is free software: you are free to change and redistribute it.\n"
82 "There is NO WARRANTY, to the extent permitted by law.\n"
87 void print_usage(int failed)
89 printf("Usage: " PACKAGE_NAME " [OPTION...] [FILES...]\n"
91 "--version Display program version and exit\n"
92 "--help Display this help\n"
94 "--zversion (accepts numbers 1 - 8, defaults to %d if not specified)\n"
95 "--zorkid (integer between 0 and 65535, defaults to 0 if not specified)\n"
96 "--serial (six characters of ASCII, defaults to current date\n"
97 " in the form YYMMDD if not specified)\n",
103 void fill_zserial(void)
108 timeinfo = localtime(&t);
109 strftime (Config.zserial, sizeof(Config.zserial), "%y%m%d", timeinfo);
112 void fill_config(void)
114 bzero(&Config, sizeof(Config));
115 Config.zversion = DEFAULT_ZVERSION;
119 void parse_intarg(int *dest, const char name[], int min, int max, int defval)
125 int n = atoi(optarg);
126 if (n >= min && n <= max) {
130 wrong_arg("Wrong %s value %s, must be integer between %d and %d\n",
131 name, optarg, min, max);
134 void parse_zserial(void)
140 size_t n = strlen(optarg);
141 if (n == sizeof(Config.zserial) - 1) {
143 while (*p && isalnum(*p))
145 if (!*p) { /* ..optarg contains alphanumeric only? */
146 strncpy(Config.zserial, optarg, sizeof(Config.zserial));
150 wrong_arg("Wrong zserial value %s, must be 6 ascii characters\n", optarg);
153 void new_file_suffix(char *result, size_t maxlen, const char *src, const char *newsuffix)
155 strncpy(result, src, maxlen);
156 char *p = strrchr(result, '.');
157 if (p && strchr(p, '/'))
160 strncpy(p, newsuffix, maxlen - (p - result));
162 strncat(result, newsuffix, maxlen);
167 char *build_output_filename(const char basename[], const char *suffix)
169 int n = strlen(basename) + strlen(suffix);
170 char *ofile = malloc(n + 1); /* todo!!! check for NULL. free. */
171 new_file_suffix(ofile, n, basename, suffix);
175 int init_assembly(void)
181 int assembly(char *output_file)
184 FILE *file = fopen(output_file, "w");
187 program_header_reset(6);
189 int size = sizeof(Program_header );
192 Program_header.mode = 0; // DISPLAY_AVAILABLE | MONOSPACE_AVAILABLE;
193 Program_header.release = 1; // game version
195 Program_header.startPC = 64;
197 Program_header.dynamic_size = 128;
198 Program_header.h_file_size = 9; //sizeof(Program_header) + zmb->used_size;
200 ZMemblock *zmb = zmem_init(Program_header.h_file_size * 8);
202 //fprintf(file, "%c", 178); // printi command
203 //fprintf(file, "hello, world!");
205 zmem_putbyte(zmb, 186); // quit command
209 outputToFile(&Program_header, file);
211 //fprintf(file, "%c", 186);
212 fwrite(zmb->contents, zmb->allocated_size, 1, file);
219 int main(int argc, char *argv[], char *envp[])
221 const char *output_file = NULL;
227 while ((opt = getopt_long (argc, argv, "hVo:", long_options, NULL)) != -1) {
229 case 'h' : print_usage(0);
230 case 'V' : print_version();
231 case 'o' : if (output_file) wrong_arg("Output file must be given once\n");
232 output_file = optarg;
234 case ZVERSION: parse_intarg(&Config.zversion, "zversion", 1, 8, 1); break;
235 case ZORKID : parse_intarg(&Config.zorkid, "zorkid", 0, 0xFFFF, 0); break;
236 case ZSERIAL : parse_zserial(); break;
237 default : wrong_arg(0);
241 int first_input_file = optind;
242 if (first_input_file >= argc)
243 wrong_arg("Missing input file\n");
245 output_file = build_output_filename(argv[first_input_file], ".dat");
247 // TODO: Everything :)
249 printf("Input files:\n");
250 for (i = optind; i < argc; i++)
251 printf("\t%s\n", argv[i]);
253 printf("Output file: %s\n\n", output_file);
259 Config.zversion, Config.zorkid, Config.zserial
262 init_opcodes(Config.zversion, 0);
264 while(init_assembly() == OK && assembly(output_file) == NEED_RESTART);
266 /* TODO! List global symbols */
267 /* TODO! Find abbreviations */