src/lib/16_tail.c

   1 /* Project 16 Source Code~\r
   2  * Copyright (C) 2012-2017 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover\r
   3  *\r
   4  * This file is part of Project 16.\r
   5  *\r
   6  * Project 16 is free software; you can redistribute it and/or modify\r
   7  * it under the terms of the GNU General Public License as published by\r
   8  * the Free Software Foundation; either version 3 of the License, or\r
   9  * (at your option) any later version.\r
  10  *\r
  11  * Project 16 is distributed in the hope that it will be useful,\r
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14  * GNU General Public License for more details.\r
  15  *\r
  16  * You should have received a copy of the GNU General Public License\r
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>, or\r
  18  * write to the Free Software Foundation, Inc., 51 Franklin Street,\r
  19  * Fifth Floor, Boston, MA 02110-1301 USA.\r
  20  *\r
  21  */\r
  22 /*\r
  23  * 16 library\r
  24  */\r
  25 \r
  26 #include "src/lib/16_tail.h"\r
  27 #include "src/lib/16text.h"\r
  28 \r
  29 /*\r
  30 ==========================\r
  31 =\r
  32 = Startup16\r
  33 =\r
  34 = Load a few things right away\r
  35 =\r
  36 ==========================\r
  37 */\r
  38 \r
  39 void Startup16(global_game_variables_t *gvar)\r
  40 {\r
  41 #ifdef __WATCOMC__\r
  42         start_timer(gvar);\r
  43 \r
  44         // DOSLIB: check our environment\r
  45         probe_dos();\r
  46 \r
  47         // DOSLIB: what CPU are we using?\r
  48         // NTS: I can see from the makefile Sparky4 intends this to run on 8088 by the -0 switch in CFLAGS.\r
  49         //      So this code by itself shouldn't care too much what CPU it's running on. Except that other\r
  50         //      parts of this project (DOSLIB itself) rely on CPU detection to know what is appropriate for\r
  51         //      the CPU to carry out tasks. --J.C.\r
  52         cpu_probe();\r
  53 \r
  54         // DOSLIB: check for VGA\r
  55         if (!probe_vga()) {\r
  56                 printf("VGA probe failed\n");\r
  57                 return;\r
  58         }\r
  59         // hardware must be VGA or higher!\r
  60         if (!(vga_state.vga_flags & VGA_IS_VGA)) {\r
  61                 printf("This program requires VGA or higher graphics hardware\n");\r
  62                 return;\r
  63         }\r
  64 \r
  65         if (_DEBUG_INIT() == 0) {\r
  66 #ifdef DEBUGSERIAL\r
  67                 //printf("WARNING: Failed to initialize DEBUG output\n");\r
  68 #endif\r
  69         }\r
  70         _DEBUG("Serial debug output started\n"); // NTS: All serial output must end messages with newline, or DOSBox-X will not emit text to log\r
  71         _DEBUGF("Serial debug output printf test %u %u %u\n",1U,2U,3U);\r
  72 \r
  73         textInit();\r
  74 #endif\r
  75         gvar->mm.mmstarted=0;\r
  76         gvar->pm.PMStarted=0;\r
  77         MM_Startup(gvar);\r
  78 #ifdef __WATCOMC__\r
  79 #ifdef __DEBUG_InputMgr__\r
  80         if(!dbg_nointest)\r
  81 #endif\r
  82         IN_Startup(gvar);\r
  83 #endif\r
  84         PM_Startup(gvar);\r
  85         PM_UnlockMainMem(gvar);\r
  86         CA_Startup(gvar);\r
  87 }\r
  88 \r
  89 //===========================================================================\r
  90 \r
  91 /*\r
  92 ==========================\r
  93 =\r
  94 = Shutdown16\r
  95 =\r
  96 = Shuts down all ID_?? managers\r
  97 =\r
  98 ==========================\r
  99 */\r
 100 \r
 101 void Shutdown16(global_game_variables_t *gvar)\r
 102 {\r
 103         PM_Shutdown(gvar);\r
 104 #ifdef __WATCOMC__\r
 105 #ifdef __DEBUG_InputMgr__\r
 106         if(!dbg_nointest)\r
 107 #endif\r
 108         IN_Shutdown(gvar);\r
 109 #endif\r
 110         CA_Shutdown(gvar);\r
 111         MM_Shutdown(gvar);\r
 112 }\r
 113 \r
 114 \r
 115 //===========================================================================\r
 116 \r
 117 /*\r
 118 ====================\r
 119 =\r
 120 = ReadConfig\r
 121 =\r
 122 ====================\r
 123 */\r
 124 \r
 125 /*void ReadConfig(void)\r
 126 {\r
 127         int                     file;\r
 128         SDMode          sd;\r
 129         SMMode          sm;\r
 130         SDSMode         sds;\r
 131 \r
 132 \r
 133         if ( (file = open(configname,O_BINARY | O_RDONLY)) != -1)\r
 134         {\r
 135         //\r
 136         // valid config file\r
 137         //\r
 138                 read(file,Scores,sizeof(HighScore) * MaxScores);\r
 139 \r
 140                 read(file,&sd,sizeof(sd));\r
 141                 read(file,&sm,sizeof(sm));\r
 142                 read(file,&sds,sizeof(sds));\r
 143 \r
 144                 read(file,&mouseenabled,sizeof(mouseenabled));\r
 145                 read(file,&joystickenabled,sizeof(joystickenabled));\r
 146                 read(file,&joypadenabled,sizeof(joypadenabled));\r
 147                 read(file,&joystickprogressive,sizeof(joystickprogressive));\r
 148                 read(file,&joystickport,sizeof(joystickport));\r
 149 \r
 150                 read(file,&dirscan,sizeof(dirscan));\r
 151                 read(file,&buttonscan,sizeof(buttonscan));\r
 152                 read(file,&buttonmouse,sizeof(buttonmouse));\r
 153                 read(file,&buttonjoy,sizeof(buttonjoy));\r
 154 \r
 155                 read(file,&viewsize,sizeof(viewsize));\r
 156                 read(file,&mouseadjustment,sizeof(mouseadjustment));\r
 157 \r
 158                 close(file);\r
 159 \r
 160                 if (sd == sdm_AdLib && !AdLibPresent && !SoundBlasterPresent)\r
 161                 {\r
 162                         sd = sdm_PC;\r
 163                         sd = smm_Off;\r
 164                 }\r
 165 \r
 166                 if ((sds == sds_SoundBlaster && !SoundBlasterPresent) ||\r
 167                         (sds == sds_SoundSource && !SoundSourcePresent))\r
 168                         sds = sds_Off;\r
 169 \r
 170                 if (!MousePresent)\r
 171                         mouseenabled = false;\r
 172                 if (!JoysPresent[joystickport])\r
 173                         joystickenabled = false;\r
 174 \r
 175                 MainMenu[6].active=1;\r
 176                 MainItems.curpos=0;\r
 177         }\r
 178         else\r
 179         {\r
 180         //\r
 181         // no config file, so select by hardware\r
 182         //\r
 183                 if (SoundBlasterPresent || AdLibPresent)\r
 184                 {\r
 185                         sd = sdm_AdLib;\r
 186                         sm = smm_AdLib;\r
 187                 }\r
 188                 else\r
 189                 {\r
 190                         sd = sdm_PC;\r
 191                         sm = smm_Off;\r
 192                 }\r
 193 \r
 194                 if (SoundBlasterPresent)\r
 195                         sds = sds_SoundBlaster;\r
 196                 else if (SoundSourcePresent)\r
 197                         sds = sds_SoundSource;\r
 198                 else\r
 199                         sds = sds_Off;\r
 200 \r
 201                 if (MousePresent)\r
 202                         mouseenabled = true;\r
 203 \r
 204                 joystickenabled = false;\r
 205                 joypadenabled = false;\r
 206                 joystickport = 0;\r
 207                 joystickprogressive = false;\r
 208 \r
 209                 viewsize = 15;\r
 210                 mouseadjustment=5;\r
 211         }\r
 212 \r
 213         SD_SetMusicMode (sm);\r
 214         SD_SetSoundMode (sd);\r
 215         SD_SetDigiDevice (sds);\r
 216 }*/\r
 217 \r
 218 \r
 219 /*\r
 220 ====================\r
 221 =\r
 222 = WriteConfig\r
 223 =\r
 224 ====================\r
 225 */\r
 226 \r
 227 /*void WriteConfig(void)\r
 228 {\r
 229         int                     file;\r
 230 \r
 231         file = open(configname,O_CREAT | O_BINARY | O_WRONLY,\r
 232                                 S_IREAD | S_IWRITE | S_IFREG);\r
 233 \r
 234         if (file != -1)\r
 235         {\r
 236                 write(file,Scores,sizeof(HighScore) * MaxScores);\r
 237 \r
 238                 write(file,&SoundMode,sizeof(SoundMode));\r
 239                 write(file,&MusicMode,sizeof(MusicMode));\r
 240                 write(file,&DigiMode,sizeof(DigiMode));\r
 241 \r
 242                 write(file,&mouseenabled,sizeof(mouseenabled));\r
 243                 write(file,&joystickenabled,sizeof(joystickenabled));\r
 244                 write(file,&joypadenabled,sizeof(joypadenabled));\r
 245                 write(file,&joystickprogressive,sizeof(joystickprogressive));\r
 246                 write(file,&joystickport,sizeof(joystickport));\r
 247 \r
 248                 write(file,&dirscan,sizeof(dirscan));\r
 249                 write(file,&buttonscan,sizeof(buttonscan));\r
 250                 write(file,&buttonmouse,sizeof(buttonmouse));\r
 251                 write(file,&buttonjoy,sizeof(buttonjoy));\r
 252 \r
 253                 write(file,&viewsize,sizeof(viewsize));\r
 254                 write(file,&mouseadjustment,sizeof(mouseadjustment));\r
 255 \r
 256                 close(file);\r
 257         }\r
 258 }*/\r
 259 \r
 260 //===========================================================================\r
 261 \r
 262 /*\r
 263 ==================\r
 264 =\r
 265 = DebugMemory\r
 266 =\r
 267 ==================\r
 268 */\r
 269 \r
 270 void DebugMemory_(global_game_variables_t *gvar, boolean q)\r
 271 {\r
 272         /*VW_FixRefreshBuffer ();\r
 273         US_CenterWindow (16,7);\r
 274 \r
 275         US_CPrint ("Memory Usage");\r
 276         US_CPrint ("------------");\r
 277         US_Print ("Total     :");\r
 278         US_PrintUnsigned (mminfo.mainmem/1024);\r
 279         US_Print ("k\nFree      :");\r
 280         US_PrintUnsigned (MM_UnusedMemory()/1024);\r
 281         US_Print ("k\nWith purge:");\r
 282         US_PrintUnsigned (MM_TotalFree()/1024);\r
 283         US_Print ("k\n");\r
 284         VW_UpdateScreen();*/\r
 285         if(q){\r
 286         printf("========================================\n");\r
 287         printf("                DebugMemory_\n");\r
 288         printf("========================================\n");}\r
 289         if(q) { printf("Memory Usage\n");\r
 290         printf("------------\n"); }else printf("        %c%c", 0xD3, 0xC4);\r
 291         printf("Total:  "); if(q) printf("      "); printf("%uk", gvar->mmi.mainmem/1024);\r
 292         if(q) printf("\n"); else printf("       ");\r
 293         printf("Free:   "); if(q) printf("      "); printf("%uk", MM_UnusedMemory(gvar)/1024);\r
 294         if(q) printf("\n"); else printf("       ");\r
 295         printf("With purge:"); if(q) printf("   "); printf("%uk\n", MM_TotalFree(gvar)/1024);\r
 296         if(q) printf("------------\n");\r
 297 #ifdef __WATCOMC__\r
 298         //IN_Ack ();\r
 299 #endif\r
 300         if(q) MM_ShowMemory (gvar);\r
 301 }\r
 302 \r
 303 /*\r
 304 ==========================\r
 305 =\r
 306 = ClearMemory\r
 307 =\r
 308 ==========================\r
 309 */\r
 310 \r
 311 void ClearMemory (global_game_variables_t *gvar)\r
 312 {\r
 313         PM_UnlockMainMem(gvar);\r
 314         //snd\r
 315         MM_SortMem (gvar);\r
 316 }\r
 317 \r
 318 /*\r
 319 ==========================\r
 320 =\r
 321 = Quit\r
 322 =\r
 323 ==========================\r
 324 */\r
 325 \r
 326 void Quit (global_game_variables_t *gvar, char *error)\r
 327 {\r
 328         //unsigned        finscreen;\r
 329         memptr  screen=0;\r
 330 \r
 331         ClearMemory (gvar);\r
 332         if (!*error)\r
 333         {\r
 334 // #ifndef JAPAN\r
 335 //              CA_CacheGrChunk (ORDERSCREEN);\r
 336 //              screen = grsegs[ORDERSCREEN];\r
 337 // #endif\r
 338 //              WriteConfig ();\r
 339         }\r
 340         else\r
 341         {\r
 342 //              CA_CacheGrChunk (ERRORSCREEN);\r
 343 //              screen = grsegs[ERRORSCREEN];\r
 344         }\r
 345         Shutdown16(gvar);\r
 346 \r
 347         if (error && *error)\r
 348         {\r
 349                 movedata((unsigned)screen,7,0xb800,0,7*160);\r
 350                 gotoxy (10,4);\r
 351                 fprintf(stderr, "%s\n", error);\r
 352                 gotoxy (1,8);\r
 353                 exit(1);\r
 354         }\r
 355         else\r
 356         if (!error || !(*error))\r
 357         {\r
 358                 clrscr();\r
 359 #ifndef JAPAN\r
 360                 movedata ((unsigned)screen,7,0xb800,0,4000);\r
 361                 gotoxy(1,24);\r
 362 #endif\r
 363 //asm   mov     bh,0\r
 364 //asm   mov     dh,23   // row\r
 365 //asm   mov     dl,0    // collumn\r
 366 //asm   mov ah,2\r
 367 //asm   int     0x10\r
 368         }\r
 369 \r
 370         exit(0);\r
 371 }\r
 372 \r
 373 //===========================================================================\r
 374 #ifndef __WATCOMC__\r
 375 char global_temp_status_text[512];\r
 376 #else\r
 377 //\r
 378 // for mary4 (XT)\r
 379 // this is from my XT's BIOS\r
 380 // http://www.phatcode.net/downloads.php?id=101\r
 381 //\r
 382 void turboXT(byte bakapee)\r
 383 {\r
 384         __asm {\r
 385         push    ax\r
 386         push    bx\r
 387         push    cx\r
 388         in      al, 61h                         //; Read equipment flags\r
 389         xor     al, bakapee                     //;   toggle speed\r
 390         out     61h, al                         //; Write new flags back\r
 391 \r
 392         mov     bx, 0F89h                       //; low pitch blip\r
 393         and     al, 4                           //; Is turbo mode set?\r
 394         jz      @@do_beep\r
 395         mov     bx, 52Eh                        //; high pitch blip\r
 396 \r
 397 @@do_beep:\r
 398         mov     al, 10110110b           //; Timer IC 8253 square waves\r
 399         out     43h, al                         //;   channel 2, speaker\r
 400         mov     ax, bx\r
 401         out     42h, al                         //;   send low order\r
 402         mov     al, ah                          //;   load high order\r
 403         out     42h, al                         //;   send high order\r
 404         in      al, 61h                         //; Read IC 8255 machine status\r
 405         push    ax\r
 406         or      al, 00000011b\r
 407         out     61h, al                         //; Turn speaker on\r
 408         mov     cx, 2000h\r
 409 @@delay:\r
 410         loop    @@delay\r
 411         pop     ax\r
 412         out     61h, al                         //; Turn speaker off\r
 413         pop     cx\r
 414         pop     bx\r
 415         pop     ax\r
 416         }\r
 417 }\r
 418 #endif\r
 419 \r
 420 const char *nibble_to_binary(nibble x)\r
 421 {\r
 422         static char b[9];\r
 423         int z;\r
 424 \r
 425         b[0] = '\0';\r
 426         for (z = 8; z > 0; z >>= 1)\r
 427         {\r
 428                 strcat(b, ((x & z) == z) ? "1" : "0");\r
 429         }\r
 430         return b;\r
 431 }\r
 432 \r
 433 const char *boolean_to_binary(boolean x)\r
 434 {\r
 435         static char b[9];\r
 436         int z;\r
 437 \r
 438         b[0] = '\0';\r
 439         for (z = 1; z > 0; z >>= 1)\r
 440         {\r
 441                 strcat(b, ((x & z) == z) ? "1" : "0");\r
 442         }\r
 443         return b;\r
 444 }\r
 445 \r
 446 void nibbletest()\r
 447 {\r
 448         nibble pee;\r
 449         printf("nibbletest\n");\r
 450         /* nibble to binary string */\r
 451         for(pee=0;pee<18;pee++)\r
 452                 printf("        %u %s\n", pee, nibble_to_binary(pee));\r
 453         printf("        sizeof(nibble)=%s\n", nibble_to_binary(sizeof(nibble)));\r
 454         printf("end of nibble test\n");\r
 455 }\r
 456 \r
 457 void booleantest()\r
 458 {\r
 459         boolean pee;\r
 460         printf("booleantest\n");\r
 461         /* boolean to binary string */\r
 462         for(pee=0;pee<4;pee++)\r
 463                 printf("        %u %s\n", pee, boolean_to_binary(pee));\r
 464         printf("        sizeof(boolean)=%s\n", boolean_to_binary(sizeof(boolean)));\r
 465         printf("end of boolean test\n");\r
 466 }\r