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         VGAmodeX(0, 1, gvar);\r
 113 }\r
 114 \r
 115 \r
 116 //===========================================================================\r
 117 \r
 118 /*\r
 119 ====================\r
 120 =\r
 121 = ReadConfig\r
 122 =\r
 123 ====================\r
 124 */\r
 125 \r
 126 /*void ReadConfig(void)\r
 127 {\r
 128         int                     file;\r
 129         SDMode          sd;\r
 130         SMMode          sm;\r
 131         SDSMode         sds;\r
 132 \r
 133 \r
 134         if ( (file = open(configname,O_BINARY | O_RDONLY)) != -1)\r
 135         {\r
 136         //\r
 137         // valid config file\r
 138         //\r
 139                 read(file,Scores,sizeof(HighScore) * MaxScores);\r
 140 \r
 141                 read(file,&sd,sizeof(sd));\r
 142                 read(file,&sm,sizeof(sm));\r
 143                 read(file,&sds,sizeof(sds));\r
 144 \r
 145                 read(file,&mouseenabled,sizeof(mouseenabled));\r
 146                 read(file,&joystickenabled,sizeof(joystickenabled));\r
 147                 read(file,&joypadenabled,sizeof(joypadenabled));\r
 148                 read(file,&joystickprogressive,sizeof(joystickprogressive));\r
 149                 read(file,&joystickport,sizeof(joystickport));\r
 150 \r
 151                 read(file,&dirscan,sizeof(dirscan));\r
 152                 read(file,&buttonscan,sizeof(buttonscan));\r
 153                 read(file,&buttonmouse,sizeof(buttonmouse));\r
 154                 read(file,&buttonjoy,sizeof(buttonjoy));\r
 155 \r
 156                 read(file,&viewsize,sizeof(viewsize));\r
 157                 read(file,&mouseadjustment,sizeof(mouseadjustment));\r
 158 \r
 159                 close(file);\r
 160 \r
 161                 if (sd == sdm_AdLib && !AdLibPresent && !SoundBlasterPresent)\r
 162                 {\r
 163                         sd = sdm_PC;\r
 164                         sd = smm_Off;\r
 165                 }\r
 166 \r
 167                 if ((sds == sds_SoundBlaster && !SoundBlasterPresent) ||\r
 168                         (sds == sds_SoundSource && !SoundSourcePresent))\r
 169                         sds = sds_Off;\r
 170 \r
 171                 if (!MousePresent)\r
 172                         mouseenabled = false;\r
 173                 if (!JoysPresent[joystickport])\r
 174                         joystickenabled = false;\r
 175 \r
 176                 MainMenu[6].active=1;\r
 177                 MainItems.curpos=0;\r
 178         }\r
 179         else\r
 180         {\r
 181         //\r
 182         // no config file, so select by hardware\r
 183         //\r
 184                 if (SoundBlasterPresent || AdLibPresent)\r
 185                 {\r
 186                         sd = sdm_AdLib;\r
 187                         sm = smm_AdLib;\r
 188                 }\r
 189                 else\r
 190                 {\r
 191                         sd = sdm_PC;\r
 192                         sm = smm_Off;\r
 193                 }\r
 194 \r
 195                 if (SoundBlasterPresent)\r
 196                         sds = sds_SoundBlaster;\r
 197                 else if (SoundSourcePresent)\r
 198                         sds = sds_SoundSource;\r
 199                 else\r
 200                         sds = sds_Off;\r
 201 \r
 202                 if (MousePresent)\r
 203                         mouseenabled = true;\r
 204 \r
 205                 joystickenabled = false;\r
 206                 joypadenabled = false;\r
 207                 joystickport = 0;\r
 208                 joystickprogressive = false;\r
 209 \r
 210                 viewsize = 15;\r
 211                 mouseadjustment=5;\r
 212         }\r
 213 \r
 214         SD_SetMusicMode (sm);\r
 215         SD_SetSoundMode (sd);\r
 216         SD_SetDigiDevice (sds);\r
 217 }*/\r
 218 \r
 219 \r
 220 /*\r
 221 ====================\r
 222 =\r
 223 = WriteConfig\r
 224 =\r
 225 ====================\r
 226 */\r
 227 \r
 228 /*void WriteConfig(void)\r
 229 {\r
 230         int                     file;\r
 231 \r
 232         file = open(configname,O_CREAT | O_BINARY | O_WRONLY,\r
 233                                 S_IREAD | S_IWRITE | S_IFREG);\r
 234 \r
 235         if (file != -1)\r
 236         {\r
 237                 write(file,Scores,sizeof(HighScore) * MaxScores);\r
 238 \r
 239                 write(file,&SoundMode,sizeof(SoundMode));\r
 240                 write(file,&MusicMode,sizeof(MusicMode));\r
 241                 write(file,&DigiMode,sizeof(DigiMode));\r
 242 \r
 243                 write(file,&mouseenabled,sizeof(mouseenabled));\r
 244                 write(file,&joystickenabled,sizeof(joystickenabled));\r
 245                 write(file,&joypadenabled,sizeof(joypadenabled));\r
 246                 write(file,&joystickprogressive,sizeof(joystickprogressive));\r
 247                 write(file,&joystickport,sizeof(joystickport));\r
 248 \r
 249                 write(file,&dirscan,sizeof(dirscan));\r
 250                 write(file,&buttonscan,sizeof(buttonscan));\r
 251                 write(file,&buttonmouse,sizeof(buttonmouse));\r
 252                 write(file,&buttonjoy,sizeof(buttonjoy));\r
 253 \r
 254                 write(file,&viewsize,sizeof(viewsize));\r
 255                 write(file,&mouseadjustment,sizeof(mouseadjustment));\r
 256 \r
 257                 close(file);\r
 258         }\r
 259 }*/\r
 260 \r
 261 //===========================================================================\r
 262 \r
 263 /*\r
 264 ==================\r
 265 =\r
 266 = DebugMemory\r
 267 =\r
 268 ==================\r
 269 */\r
 270 \r
 271 void DebugMemory_(global_game_variables_t *gvar, boolean q)\r
 272 {\r
 273         /*VW_FixRefreshBuffer ();\r
 274         US_CenterWindow (16,7);\r
 275 \r
 276         US_CPrint ("Memory Usage");\r
 277         US_CPrint ("------------");\r
 278         US_Print ("Total     :");\r
 279         US_PrintUnsigned (mminfo.mainmem/1024);\r
 280         US_Print ("k\nFree      :");\r
 281         US_PrintUnsigned (MM_UnusedMemory()/1024);\r
 282         US_Print ("k\nWith purge:");\r
 283         US_PrintUnsigned (MM_TotalFree()/1024);\r
 284         US_Print ("k\n");\r
 285         VW_UpdateScreen();*/\r
 286         if(q){\r
 287         printf("========================================\n");\r
 288         printf("                DebugMemory_\n");\r
 289         printf("========================================\n");}\r
 290         if(q) { printf("Memory Usage\n");\r
 291         printf("------------\n"); }else printf("        %c%c", 0xD3, 0xC4);\r
 292         printf("Total:  "); if(q) printf("      "); printf("%uk", gvar->mmi.mainmem/1024);\r
 293         if(q) printf("\n"); else printf("       ");\r
 294         printf("Free:   "); if(q) printf("      "); printf("%uk", MM_UnusedMemory(gvar)/1024);\r
 295         if(q) printf("\n"); else printf("       ");\r
 296         printf("With purge:"); if(q) printf("   "); printf("%uk\n", MM_TotalFree(gvar)/1024);\r
 297         if(q) printf("------------\n");\r
 298 #ifdef __WATCOMC__\r
 299         //IN_Ack ();\r
 300 #endif\r
 301         if(q) MM_ShowMemory (gvar);\r
 302 }\r
 303 \r
 304 /*\r
 305 ==========================\r
 306 =\r
 307 = ClearMemory\r
 308 =\r
 309 ==========================\r
 310 */\r
 311 \r
 312 void ClearMemory (global_game_variables_t *gvar)\r
 313 {\r
 314         PM_UnlockMainMem(gvar);\r
 315         //snd\r
 316         MM_SortMem (gvar);\r
 317 }\r
 318 \r
 319 /*\r
 320 ==========================\r
 321 =\r
 322 = Quit\r
 323 =\r
 324 ==========================\r
 325 */\r
 326 \r
 327 void Quit (global_game_variables_t *gvar, char *error)\r
 328 {\r
 329         //unsigned        finscreen;\r
 330         memptr  screen=0;\r
 331 \r
 332         ClearMemory (gvar);\r
 333         if (!*error)\r
 334         {\r
 335 // #ifndef JAPAN\r
 336 //              CA_CacheGrChunk (ORDERSCREEN);\r
 337 //              screen = grsegs[ORDERSCREEN];\r
 338 // #endif\r
 339 //              WriteConfig ();\r
 340         }\r
 341         else\r
 342         {\r
 343 //              CA_CacheGrChunk (ERRORSCREEN);\r
 344 //              screen = grsegs[ERRORSCREEN];\r
 345         }\r
 346         Shutdown16(gvar);\r
 347 \r
 348         if (error && *error)\r
 349         {\r
 350                 //movedata((unsigned)screen,7,0xb800,0,7*160);\r
 351                 gotoxy (10,4);\r
 352                 fprintf(stderr, "%s\n", error);\r
 353                 gotoxy (1,8);\r
 354                 exit(1);\r
 355         }\r
 356         else\r
 357         if (!error || !(*error))\r
 358         {\r
 359                 clrscr();\r
 360 #ifndef JAPAN\r
 361                 movedata ((unsigned)screen,7,0xb800,0,4000);\r
 362                 gotoxy(1,24);\r
 363 #endif\r
 364 //asm   mov     bh,0\r
 365 //asm   mov     dh,23   // row\r
 366 //asm   mov     dl,0    // collumn\r
 367 //asm   mov ah,2\r
 368 //asm   int     0x10\r
 369         }\r
 370 \r
 371         exit(0);\r
 372 }\r
 373 \r
 374 //===========================================================================\r
 375 #ifndef __WATCOMC__\r
 376 char global_temp_status_text[512];\r
 377 char global_temp_status_text2[512];\r
 378 #else\r
 379 //\r
 380 // for mary4 (XT)\r
 381 // this is from my XT's BIOS\r
 382 // http://www.phatcode.net/downloads.php?id=101\r
 383 //\r
 384 void turboXT(byte bakapee)\r
 385 {\r
 386         __asm {\r
 387         push    ax\r
 388         push    bx\r
 389         push    cx\r
 390         in      al, 61h                         //; Read equipment flags\r
 391         xor     al, bakapee                     //;   toggle speed\r
 392         out     61h, al                         //; Write new flags back\r
 393 \r
 394         mov     bx, 0F89h                       //; low pitch blip\r
 395         and     al, 4                           //; Is turbo mode set?\r
 396         jz      @@do_beep\r
 397         mov     bx, 52Eh                        //; high pitch blip\r
 398 \r
 399 @@do_beep:\r
 400         mov     al, 10110110b           //; Timer IC 8253 square waves\r
 401         out     43h, al                         //;   channel 2, speaker\r
 402         mov     ax, bx\r
 403         out     42h, al                         //;   send low order\r
 404         mov     al, ah                          //;   load high order\r
 405         out     42h, al                         //;   send high order\r
 406         in      al, 61h                         //; Read IC 8255 machine status\r
 407         push    ax\r
 408         or      al, 00000011b\r
 409         out     61h, al                         //; Turn speaker on\r
 410         mov     cx, 2000h\r
 411 @@delay:\r
 412         loop    @@delay\r
 413         pop     ax\r
 414         out     61h, al                         //; Turn speaker off\r
 415         pop     cx\r
 416         pop     bx\r
 417         pop     ax\r
 418         }\r
 419 }\r
 420 #endif\r
 421 \r
 422 const char *nibble_to_binary(nibble x)\r
 423 {\r
 424         static char b[9];\r
 425         int z;\r
 426 \r
 427         b[0] = '\0';\r
 428         for (z = 8; z > 0; z >>= 1)\r
 429         {\r
 430                 strcat(b, ((x & z) == z) ? "1" : "0");\r
 431         }\r
 432         return b;\r
 433 }\r
 434 \r
 435 const char *boolean_to_binary(boolean x)\r
 436 {\r
 437         static char b[9];\r
 438         int z;\r
 439 \r
 440         b[0] = '\0';\r
 441         for (z = 1; z > 0; z >>= 1)\r
 442         {\r
 443                 strcat(b, ((x & z) == z) ? "1" : "0");\r
 444         }\r
 445         return b;\r
 446 }\r
 447 \r
 448 void nibbletest()\r
 449 {\r
 450         nibble pee;\r
 451         printf("nibbletest\n");\r
 452         /* nibble to binary string */\r
 453         for(pee=0;pee<18;pee++)\r
 454                 printf("        %u %s\n", pee, nibble_to_binary(pee));\r
 455         printf("        sizeof(nibble)=%s\n", nibble_to_binary(sizeof(nibble)));\r
 456         printf("end of nibble test\n");\r
 457 }\r
 458 \r
 459 void booleantest()\r
 460 {\r
 461         boolean pee;\r
 462         printf("booleantest\n");\r
 463         /* boolean to binary string */\r
 464         for(pee=0;pee<4;pee++)\r
 465                 printf("        %u %s\n", pee, boolean_to_binary(pee));\r
 466         printf("        sizeof(boolean)=%s\n", boolean_to_binary(sizeof(boolean)));\r
 467         printf("end of boolean test\n");\r
 468 }\r