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 tail 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         gvar->video.VL_Started=0;\r
  42         TL_VidInit(gvar);\r
  43         gvar->mm.mmstarted=0;\r
  44         gvar->pm.PMStarted=0;\r
  45         MM_Startup(gvar);\r
  46 #ifdef __WATCOMC__\r
  47 #ifdef __DEBUG_InputMgr__\r
  48         if(!dbg_nointest)\r
  49 #endif\r
  50         IN_Startup(gvar);\r
  51 #endif\r
  52 #ifdef __16_PM__\r
  53         PM_Startup(gvar);\r
  54         PM_CheckMainMem(gvar);\r
  55         PM_UnlockMainMem(gvar);\r
  56 #endif\r
  57         CA_Startup(gvar);\r
  58 }\r
  59 \r
  60 //===========================================================================\r
  61 \r
  62 /*\r
  63 ==========================\r
  64 =\r
  65 = Shutdown16\r
  66 =\r
  67 = Shuts down all ID_?? managers\r
  68 =\r
  69 ==========================\r
  70 */\r
  71 \r
  72 void Shutdown16(global_game_variables_t *gvar)\r
  73 {\r
  74 #ifdef __16_PM__\r
  75         PM_Shutdown(gvar);\r
  76 #endif\r
  77 #ifdef __WATCOMC__\r
  78 #ifdef __DEBUG_InputMgr__\r
  79         if(!dbg_nointest)\r
  80 #endif\r
  81         IN_Shutdown(gvar);\r
  82 #endif\r
  83         CA_Shutdown(gvar);\r
  84         MM_Shutdown(gvar);\r
  85 #ifdef __WATCOMC__\r
  86         if(gvar->video.VL_Started)\r
  87                 VL_Shutdown (gvar);//VGAmodeX(0, 1, gvar);\r
  88 #endif\r
  89 }\r
  90 \r
  91 //===========================================================================\r
  92 \r
  93 /*\r
  94 ====================\r
  95 =\r
  96 = ReadConfig\r
  97 =\r
  98 ====================\r
  99 */\r
 100 \r
 101 /*void ReadConfig(void)\r
 102 {\r
 103         int                                      file;\r
 104         SDMode            sd;\r
 105         SMMode            sm;\r
 106         SDSMode          sds;\r
 107 \r
 108 \r
 109         if ( (file = open(configname,O_BINARY | O_RDONLY)) != -1)\r
 110         {\r
 111         //\r
 112         // valid config file\r
 113         //\r
 114                 read(file,Scores,sizeof(HighScore) * MaxScores);\r
 115 \r
 116                 read(file,&sd,sizeof(sd));\r
 117                 read(file,&sm,sizeof(sm));\r
 118                 read(file,&sds,sizeof(sds));\r
 119 \r
 120                 read(file,&mouseenabled,sizeof(mouseenabled));\r
 121                 read(file,&joystickenabled,sizeof(joystickenabled));\r
 122                 read(file,&joypadenabled,sizeof(joypadenabled));\r
 123                 read(file,&joystickprogressive,sizeof(joystickprogressive));\r
 124                 read(file,&joystickport,sizeof(joystickport));\r
 125 \r
 126                 read(file,&dirscan,sizeof(dirscan));\r
 127                 read(file,&buttonscan,sizeof(buttonscan));\r
 128                 read(file,&buttonmouse,sizeof(buttonmouse));\r
 129                 read(file,&buttonjoy,sizeof(buttonjoy));\r
 130 \r
 131                 read(file,&viewsize,sizeof(viewsize));\r
 132                 read(file,&mouseadjustment,sizeof(mouseadjustment));\r
 133 \r
 134                 close(file);\r
 135 \r
 136                 if (sd == sdm_AdLib && !AdLibPresent && !SoundBlasterPresent)\r
 137                 {\r
 138                         sd = sdm_PC;\r
 139                         sd = smm_Off;\r
 140                 }\r
 141 \r
 142                 if ((sds == sds_SoundBlaster && !SoundBlasterPresent) ||\r
 143                         (sds == sds_SoundSource && !SoundSourcePresent))\r
 144                         sds = sds_Off;\r
 145 \r
 146                 if (!MousePresent)\r
 147                         mouseenabled = false;\r
 148                 if (!JoysPresent[joystickport])\r
 149                         joystickenabled = false;\r
 150 \r
 151                 MainMenu[6].active=1;\r
 152                 MainItems.curpos=0;\r
 153         }\r
 154         else\r
 155         {\r
 156         //\r
 157         // no config file, so select by hardware\r
 158         //\r
 159                 if (SoundBlasterPresent || AdLibPresent)\r
 160                 {\r
 161                         sd = sdm_AdLib;\r
 162                         sm = smm_AdLib;\r
 163                 }\r
 164                 else\r
 165                 {\r
 166                         sd = sdm_PC;\r
 167                         sm = smm_Off;\r
 168                 }\r
 169 \r
 170                 if (SoundBlasterPresent)\r
 171                         sds = sds_SoundBlaster;\r
 172                 else if (SoundSourcePresent)\r
 173                         sds = sds_SoundSource;\r
 174                 else\r
 175                         sds = sds_Off;\r
 176 \r
 177                 if (MousePresent)\r
 178                         mouseenabled = true;\r
 179 \r
 180                 joystickenabled = false;\r
 181                 joypadenabled = false;\r
 182                 joystickport = 0;\r
 183                 joystickprogressive = false;\r
 184 \r
 185                 viewsize = 15;\r
 186                 mouseadjustment=5;\r
 187         }\r
 188 \r
 189         SD_SetMusicMode (sm);\r
 190         SD_SetSoundMode (sd);\r
 191         SD_SetDigiDevice (sds);\r
 192 }*/\r
 193 \r
 194 \r
 195 /*\r
 196 ====================\r
 197 =\r
 198 = WriteConfig\r
 199 =\r
 200 ====================\r
 201 */\r
 202 \r
 203 /*void WriteConfig(void)\r
 204 {\r
 205         int                                      file;\r
 206 \r
 207         file = open(configname,O_CREAT | O_BINARY | O_WRONLY,\r
 208                                 S_IREAD | S_IWRITE | S_IFREG);\r
 209 \r
 210         if (file != -1)\r
 211         {\r
 212                 write(file,Scores,sizeof(HighScore) * MaxScores);\r
 213 \r
 214                 write(file,&SoundMode,sizeof(SoundMode));\r
 215                 write(file,&MusicMode,sizeof(MusicMode));\r
 216                 write(file,&DigiMode,sizeof(DigiMode));\r
 217 \r
 218                 write(file,&mouseenabled,sizeof(mouseenabled));\r
 219                 write(file,&joystickenabled,sizeof(joystickenabled));\r
 220                 write(file,&joypadenabled,sizeof(joypadenabled));\r
 221                 write(file,&joystickprogressive,sizeof(joystickprogressive));\r
 222                 write(file,&joystickport,sizeof(joystickport));\r
 223 \r
 224                 write(file,&dirscan,sizeof(dirscan));\r
 225                 write(file,&buttonscan,sizeof(buttonscan));\r
 226                 write(file,&buttonmouse,sizeof(buttonmouse));\r
 227                 write(file,&buttonjoy,sizeof(buttonjoy));\r
 228 \r
 229                 write(file,&viewsize,sizeof(viewsize));\r
 230                 write(file,&mouseadjustment,sizeof(mouseadjustment));\r
 231 \r
 232                 close(file);\r
 233         }\r
 234 }*/\r
 235 \r
 236 //===========================================================================\r
 237 \r
 238 /*\r
 239 ===================\r
 240 =\r
 241 = FizzleFade\r
 242 =\r
 243 ===================\r
 244 */\r
 245 \r
 246 #define PIXPERFRAME     1600\r
 247 \r
 248 boolean FizzleFade (unsigned source, unsigned dest, unsigned width, unsigned height, unsigned frames, boolean abortable, global_game_variables_t *gvar)\r
 249 {\r
 250         word            p,pixperframe;\r
 251         unsigned        drawofs,pagedelta;\r
 252         byte            mask,maskb[8] = {1,2,4,8};\r
 253         unsigned        x,y,frame               ,esorig,q;\r
 254         dword           rndval;\r
 255         word screenseg = SCREENSEG;\r
 256 \r
 257         pagedelta = dest-source;\r
 258         rndval = 1;     esorig = 0; q = 16;\r
 259         x = y = 0;\r
 260         pixperframe = 76800/(dword)frames;\r
 261 \r
 262         IN_StartAck (gvar);\r
 263 \r
 264         __asm {\r
 265                 mov     [esorig],es\r
 266         }\r
 267         frame=0;\r
 268         do      // while (1)\r
 269         {\r
 270                 if (abortable && IN_CheckAck (gvar) )\r
 271                         return true;\r
 272 \r
 273                 __asm {\r
 274                         mov     es,[screenseg]\r
 275                 }\r
 276 \r
 277                 for (p=0;p<pixperframe;p++)\r
 278                 {\r
 279                         __asm {\r
 280                                 //\r
 281                                 // seperate random value into x/y pair\r
 282                                 //\r
 283                                 mov     ax,[WORD PTR rndval]\r
 284                                 mov     dx,[WORD PTR rndval+2]\r
 285                                 mov     bx,ax\r
 286                                 dec     bl\r
 287                                 mov     [BYTE PTR y],bl                 // low 8 bits - 1 = y xoordinate\r
 288                                 mov     bx,ax\r
 289                                 mov     cx,dx\r
 290                                 mov     [BYTE PTR x],ah                 // next 9 bits = x xoordinate\r
 291                                 mov     [BYTE PTR x+1],dl\r
 292                                 //\r
 293                                 // advance to next random element\r
 294                                 //\r
 295                                 shr     dx,1\r
 296                                 rcr     ax,1\r
 297                                 jnc     noxor\r
 298                                 xor     dx,0x0001\r
 299                                 xor     ax,0x2000\r
 300 #ifdef __BORLANDC__\r
 301                         }\r
 302 #endif\r
 303 noxor:\r
 304 #ifdef __BORLANDC__\r
 305                         __asm {\r
 306 #endif\r
 307                                 mov     [WORD PTR rndval],ax\r
 308                                 mov     [WORD PTR rndval+2],dx\r
 309                         }\r
 310 \r
 311                         if ((x>width || y>height) && (x<width*2 && y<height*2))\r
 312                                 continue;\r
 313                         drawofs = source+(gvar->video.ofs.ylookup[y]) + (x>>2);\r
 314 \r
 315                         //\r
 316                         // copy one pixel\r
 317                         //\r
 318 //*\r
 319                         mask = x&3;\r
 320                         VGAREADMAP(mask);\r
 321                         mask = maskb[mask];\r
 322                         VGAMAPMASK(mask);\r
 323 //*/\r
 324 //                      modexputPixel(&(gvar->video.page[0]), x, y, rand()%8);\r
 325 //                      VL_Plot (x, y, 15, &(gvar->video.ofs));\r
 326 \r
 327                         __asm {\r
 328                                 mov     di,[drawofs]\r
 329                                 mov     al,[es:di]\r
 330                                 add     di,[pagedelta]\r
 331                                 mov     [es:di],al\r
 332                         }\r
 333 \r
 334                         if (rndval == 1)                // entire sequence has been completed\r
 335                                 return false;\r
 336                 }\r
 337                 frame++;\r
 338 //--            while (TimeCount<frame){}//;            // don't go too fast\r
 339         } while (1);\r
 340         __asm {\r
 341                 mov     es,[esorig]\r
 342         }\r
 343         return false;\r
 344 }\r
 345 \r
 346 //===========================================================================\r
 347 \r
 348 /*\r
 349 ==================\r
 350 =\r
 351 = DebugMemory\r
 352 =\r
 353 ==================\r
 354 */\r
 355 \r
 356 void DebugMemory_(global_game_variables_t *gvar, boolean q)\r
 357 {\r
 358         /*VW_FixRefreshBuffer ();\r
 359         US_CenterWindow (16,7);\r
 360 \r
 361         US_CPrint ("Memory Usage");\r
 362         US_CPrint ("------------");\r
 363         US_Print ("Total         :");\r
 364         US_PrintUnsigned (mminfo.mainmem/1024);\r
 365         US_Print ("k\nFree        :");\r
 366         US_PrintUnsigned (MM_UnusedMemory()/1024);\r
 367         US_Print ("k\nWith purge:");\r
 368         US_PrintUnsigned (MM_TotalFree()/1024);\r
 369         US_Print ("k\n");\r
 370         VW_UpdateScreen();*/\r
 371         if(q){\r
 372         printf("========================================\n");\r
 373         printf("                DebugMemory_\n");\r
 374         printf("========================================\n");}\r
 375         if(q) { printf("Memory Usage\n");\r
 376         printf("------------\n"); }else printf("        %c%c", 0xD3, 0xC4);\r
 377         printf("Total:  "); if(q) printf("      "); printf("%uk", gvar->mmi.mainmem/1024);\r
 378         if(q) printf("\n"); else printf("       ");\r
 379         printf("Free:   "); if(q) printf("      "); printf("%uk", MM_UnusedMemory(gvar)/1024);\r
 380         if(q) printf("\n"); else printf("       ");\r
 381         printf("With purge:"); if(q) printf("   "); printf("%uk\n", MM_TotalFree(gvar)/1024);\r
 382         if(q) printf("------------\n");\r
 383 #ifdef __WATCOMC__\r
 384         //IN_Ack ();\r
 385 #endif\r
 386 //      if(q) MM_ShowMemory (gvar);\r
 387 }\r
 388 \r
 389 /*\r
 390 ==========================\r
 391 =\r
 392 = ClearMemory\r
 393 =\r
 394 ==========================\r
 395 */\r
 396 \r
 397 void ClearMemory (global_game_variables_t *gvar)\r
 398 {\r
 399 #ifdef __16_PM__\r
 400         PM_UnlockMainMem(gvar);\r
 401 #endif\r
 402         //sd\r
 403         MM_SortMem (gvar);\r
 404 }\r
 405 \r
 406 /*\r
 407 ==========================\r
 408 =\r
 409 = Quit\r
 410 =\r
 411 ==========================\r
 412 */\r
 413 \r
 414 void Quit (global_game_variables_t *gvar, char *error)\r
 415 {\r
 416         //unsigned              finscreen;\r
 417         memptr  screen=0;\r
 418 \r
 419         ClearMemory (gvar);\r
 420         if (!*error)\r
 421         {\r
 422 // #ifndef JAPAN\r
 423 //              CA_CacheGrChunk (ORDERSCREEN);\r
 424 //              screen = grsegs[ORDERSCREEN];\r
 425 // #endif\r
 426 //              WriteConfig ();\r
 427         }\r
 428         else\r
 429         {\r
 430 //              CA_CacheGrChunk (ERRORSCREEN);\r
 431 //              screen = grsegs[ERRORSCREEN];\r
 432         }\r
 433         Shutdown16(gvar);\r
 434 \r
 435         if (error && *error)\r
 436         {\r
 437                 //movedata((unsigned)screen,7,0xb800,0,7*160);\r
 438                 gotoxy (10,4);\r
 439                 fprintf(stderr, "%s\n", error);\r
 440                 gotoxy (1,8);\r
 441                 exit(1);\r
 442         }\r
 443         else\r
 444         if (!error || !(*error))\r
 445         {\r
 446                 clrscr();\r
 447 #ifndef JAPAN\r
 448                 movedata ((unsigned)screen,7,0xb800,0,4000);\r
 449                 gotoxy(1,24);\r
 450 #endif\r
 451 //asm   mov     bh,0\r
 452 //asm   mov     dh,23   // row\r
 453 //asm   mov     dl,0    // collumn\r
 454 //asm   mov ah,2\r
 455 //asm   int     0x10\r
 456         }\r
 457 \r
 458         exit(0);\r
 459 }\r
 460 \r
 461 //===========================================================================\r
 462 \r
 463 #ifndef __WATCOMC__\r
 464 char global_temp_status_text[512];\r
 465 char global_temp_status_text2[512];\r
 466 #else\r
 467 //\r
 468 // for mary4 (XT)\r
 469 // this is from my XT's BIOS\r
 470 // http://www.phatcode.net/downloads.php?id=101\r
 471 //\r
 472 void turboXT(byte bakapee)\r
 473 {\r
 474         __asm {\r
 475                 push    ax\r
 476                 push    bx\r
 477                 push    cx\r
 478                 in      al, 61h                         //; Read equipment flags\r
 479                 xor     al, bakapee                     //;   toggle speed\r
 480                 out     61h, al                         //; Write new flags back\r
 481 \r
 482                 mov     bx, 0F89h                       //; low pitch blip\r
 483                 and     al, 4                           //; Is turbo mode set?\r
 484                 jz      @@do_beep\r
 485                 mov     bx, 52Eh                        //; high pitch blip\r
 486 \r
 487         @@do_beep:\r
 488                 mov     al, 10110110b           //; Timer IC 8253 square waves\r
 489                 out     43h, al                         //;   channel 2, speaker\r
 490                 mov     ax, bx\r
 491                 out     42h, al                         //;   send low order\r
 492                 mov     al, ah                          //;   load high order\r
 493                 out     42h, al                         //;   send high order\r
 494                 in      al, 61h                         //; Read IC 8255 machine status\r
 495                 push    ax\r
 496                 or      al, 00000011b\r
 497                 out     61h, al                         //; Turn speaker on\r
 498                 mov     cx, 2000h\r
 499         @@delay:\r
 500                 loop    @@delay\r
 501                 pop     ax\r
 502                 out     61h, al                         //; Turn speaker off\r
 503                 pop     cx\r
 504                 pop     bx\r
 505                 pop     ax\r
 506         }\r
 507 }\r
 508 #endif\r
 509 \r
 510 const char *word_to_binary(word x)\r
 511 {\r
 512         static char b[17];\r
 513         int z;\r
 514 \r
 515         b[0] = '\0';\r
 516         for (z = 16; z > 0; z >>= 1)\r
 517         {\r
 518                 strcat(b, ((x & z) == z) ? "1" : "0");\r
 519         }\r
 520         return b;\r
 521 }\r
 522 \r
 523 const char *nibble_to_binary(nibble x)\r
 524 {\r
 525         static char b[9];\r
 526         int z;\r
 527 \r
 528         b[0] = '\0';\r
 529         for (z = 8; z > 0; z >>= 1)\r
 530         {\r
 531                 strcat(b, ((x & z) == z) ? "1" : "0");\r
 532         }\r
 533         return b;\r
 534 }\r
 535 \r
 536 const char *boolean_to_binary(boolean x)\r
 537 {\r
 538         static char b[9];\r
 539         int z;\r
 540 \r
 541         b[0] = '\0';\r
 542         for (z = 1; z > 0; z >>= 1)\r
 543         {\r
 544                 strcat(b, ((x & z) == z) ? "1" : "0");\r
 545         }\r
 546         return b;\r
 547 }\r
 548 \r
 549 void nibbletest()\r
 550 {\r
 551         nibble pee;\r
 552         printf("nibbletest\n");\r
 553         /* nibble to binary string */\r
 554         for(pee=0;pee<18;pee++)\r
 555                 printf("        %u %s\n", pee, nibble_to_binary(pee));\r
 556         printf("        sizeof(nibble)=%s\n", nibble_to_binary(sizeof(nibble)));\r
 557         printf("end of nibble test\n");\r
 558 }\r
 559 \r
 560 void booleantest()\r
 561 {\r
 562         boolean pee;\r
 563         printf("booleantest\n");\r
 564         /* boolean to binary string */\r
 565         for(pee=0;pee<4;pee++)\r
 566                 printf("        %u %s\n", pee, boolean_to_binary(pee));\r
 567         printf("        sizeof(boolean)=%s\n", boolean_to_binary(sizeof(boolean)));\r
 568         printf("end of boolean test\n");\r
 569 }\r