msdos/int2f.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2 /*
   3  * DOS interrupt 2fh handler
   4  *
   5  *  Cdrom - device driver emulation - Audio features.
   6  *      (c) 1998 Petr Tomasek <tomasek@etf.cuni.cz>
   7  *      (c) 1999 Eric Pouech
   8  */
   9
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include <unistd.h>
  13
  14 #include "wine/winbase16.h"
  15 #include "ldt.h"
  16 #include "drive.h"
  17 #include "msdos.h"
  18 #include "miscemu.h"
  19 #include "module.h"
  20 #include "task.h"
  21 #include "dosexe.h"
  22 #include "heap.h"
  23 /* #define DEBUG_INT */
  24 #include "debug.h"
  25 #include "cdrom.h"
  26
  27 /* base WPROCS.DLL ordinal number for VxDs */
  28 #define VXD_BASE 400
  29
  30 static void do_int2f_16( CONTEXT *context );
  31 static void do_mscdex( CONTEXT *context );
  32
  33 /**********************************************************************
  34  *          INT_Int2fHandler
  35  *
  36  * Handler for int 2fh (multiplex).
  37  */
  38 void WINAPI INT_Int2fHandler( CONTEXT *context )
  39 {
  40     TRACE(int,"Subfunction 0x%X\n", AX_reg(context));
  41
  42     switch(AH_reg(context))
  43     {
  44     case 0x10:
  45         AL_reg(context) = 0xff; /* share is installed */
  46         break;
  47
  48     case 0x11:  /* Network Redirector / IFSFUNC */
  49         switch (AL_reg(context))
  50         {
  51         case 0x00:  /* Install check */
  52             /* not installed */
  53             break;
  54         case 0x80:  /* Enhanced services - Install check */
  55             /* not installed */
  56             break;
  57         default:
  58             INT_BARF( context, 0x2f );
  59             break;
  60         }
  61         break;
  62
  63     case 0x12:
  64         switch (AL_reg(context))
  65         {
  66         case 0x2e: /* get or set DOS error table address */
  67             switch (DL_reg(context))
  68             {
  69             /* Four tables: even commands are 'get', odd are 'set' */
  70             /* DOS 5.0+ ignores "set" commands */
  71             case 0x01:
  72             case 0x03:
  73             case 0x05:
  74             case 0x07:
  75             case 0x09:
  76                 break;
  77             /* Instead of having a message table in DOS-space, */
  78             /* we can use a special case for MS-DOS to force   */
  79             /* the secondary interface.                        */
  80             case 0x00:
  81             case 0x02:
  82             case 0x04:
  83             case 0x06:
  84                 ES_reg(context) = 0x0001;
  85                 DI_reg(context) = 0x0000;
  86                 break;
  87             case 0x08:
  88                 FIXME(int, "No real-mode handler for errors yet! (bye!)");
  89                 break;
  90             default:
  91                 INT_BARF(context, 0x2f);
  92             }
  93             break;
  94         default:
  95            INT_BARF(context, 0x2f);
  96         }
  97         break;
  98
  99     case 0x15: /* mscdex */
 100         do_mscdex(context);
 101         break;
 102
 103     case 0x16:
 104         do_int2f_16( context );
 105         break;
 106
 107     case 0x1a: /* ANSI.SYS / AVATAR.SYS Install Check */
 108         /* Not supported yet, do nothing */
 109         break;
 110
 111     case 0x43:
 112 #if 1
 113         switch (AL_reg(context))
 114         {
 115         case 0x00:   /* XMS v2+ installation check */
 116             WARN(int,"XMS is not fully implemented\n");
 117             AL_reg(context) = 0x80;
 118             break;
 119         case 0x10:   /* XMS v2+ get driver address */
 120         {
 121             TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
 122             NE_MODULE *pModule = pTask ? NE_GetPtr( pTask->hModule ) : NULL;
 123             GlobalUnlock16( GetCurrentTask() );
 124 #ifdef MZ_SUPPORTED
 125             if (pModule && pModule->lpDosTask)
 126                 ES_reg(context) = pModule->lpDosTask->xms_seg;
 127             else
 128 #endif
 129                 ES_reg(context) = 0;
 130             BX_reg(context) = 0;
 131             break;
 132         }
 133         default:
 134             INT_BARF( context, 0x2f );
 135         }
 136 #else
 137         FIXME(int,"check for XMS (not supported)\n");
 138         AL_reg(context) = 0x42; /* != 0x80 */
 139 #endif
 140         break;
 141
 142     case 0x45:
 143        switch (AL_reg(context))
 144        {
 145        case 0x00:
 146        case 0x01:
 147        case 0x02:
 148        case 0x03:
 149        case 0x04:
 150        case 0x05:
 151        case 0x06:
 152        case 0x07:
 153        case 0x08:
 154            /* Microsoft Profiler - not installed */
 155            break;
 156        default:
 157             INT_BARF( context, 0x2f );
 158        }
 159        break;
 160
 161     case 0x4a:
 162         switch(AL_reg(context))
 163         {
 164         case 0x10:  /* smartdrv */
 165             break;  /* not installed */
 166         case 0x11:  /* dblspace */
 167             break;  /* not installed */
 168         case 0x12:  /* realtime compression interface */
 169             break;  /* not installed */
 170         case 0x32:  /* patch IO.SYS (???) */
 171             break;  /* we have no IO.SYS, so we can't patch it :-/ */
 172         default:
 173             INT_BARF( context, 0x2f );
 174         }
 175         break;
 176     case 0x56:  /* INTERLNK */
 177         switch(AL_reg(context))
 178         {
 179         case 0x01:  /* check if redirected drive */
 180             AL_reg(context) = 0; /* not redirected */
 181             break;
 182         default:
 183             INT_BARF( context, 0x2f );
 184         }
 185         break;
 186     case 0x7a:  /* NOVELL NetWare */
 187         switch (AL_reg(context))
 188         {
 189         case 0x0:  /* Low-level Netware installation check AL=0 not installed.*/
 190             AL_reg(context) = 0;
 191             break;
 192         case 0x20:  /* Get VLM Call Address */
 193             /* return nothing -> NetWare not installed */
 194             break;
 195         default:
 196             INT_BARF( context, 0x2f );
 197             break;
 198         }
 199         break;
 200     case 0xb7:  /* append */
 201         AL_reg(context) = 0; /* not installed */
 202         break;
 203     case 0xb8:  /* network */
 204         switch (AL_reg(context))
 205         {
 206         case 0x00:  /* Install check */
 207             /* not installed */
 208             break;
 209         default:
 210             INT_BARF( context, 0x2f );
 211             break;
 212         }
 213         break;
 214     case 0xbd:  /* some Novell network install check ??? */
 215         AX_reg(context) = 0xa5a5; /* pretend to have Novell IPX installed */
 216         break;
 217     case 0xbf:  /* REDIRIFS.EXE */
 218         switch (AL_reg(context))
 219         {
 220         case 0x00:  /* Install check */
 221             /* not installed */
 222             break;
 223         default:
 224             INT_BARF( context, 0x2f );
 225             break;
 226         }
 227         break;
 228     case 0xd7:  /* Banyan Vines */
 229         switch (AL_reg(context))
 230         {
 231         case 0x01:  /* Install check - Get Int Number */
 232             /* not installed */
 233             break;
 234         default:
 235             INT_BARF( context, 0x2f );
 236             break;
 237         }
 238         break;
 239     case 0xfa:  /* Watcom debugger check, returns 0x666 if installed */
 240         break;
 241     default:
 242         INT_BARF( context, 0x2f );
 243         break;
 244     }
 245 }
 246
 247
 248 /**********************************************************************
 249  *          do_int2f_16
 250  */
 251 static void do_int2f_16( CONTEXT *context )
 252 {
 253     DWORD addr;
 254
 255     switch(AL_reg(context))
 256     {
 257     case 0x00:  /* Windows enhanced mode installation check */
 258         AX_reg(context) = (GetWinFlags16() & WF_ENHANCED) ?
 259                                                   LOWORD(GetVersion16()) : 0;
 260         break;
 261
 262     case 0x0a:  /* Get Windows version and type */
 263         AX_reg(context) = 0;
 264         BX_reg(context) = (LOWORD(GetVersion16()) << 8) |
 265                           (LOWORD(GetVersion16()) >> 8);
 266         CX_reg(context) = (GetWinFlags16() & WF_ENHANCED) ? 3 : 2;
 267         break;
 268
 269     case 0x0b:  /* Identify Windows-aware TSRs */
 270         /* we don't have any pre-Windows TSRs */
 271         break;
 272
 273     case 0x11:  /* Get Shell Parameters - (SHELL= in CONFIG.SYS) */
 274         /* We can mock this up. But not today... */
 275         FIXME(int, "Get Shell Parameters\n");
 276         break;
 277
 278     case 0x80:  /* Release time-slice */
 279         AL_reg(context) = 0;
 280         break;
 281
 282     case 0x81: /* Begin critical section.  */
 283         /* FIXME? */
 284         break;
 285
 286     case 0x82: /* End critical section.  */
 287         /* FIXME? */
 288         break;
 289
 290     case 0x83:  /* Return Current Virtual Machine ID */
 291         /* Virtual Machines are usually created/destroyed when Windows runs
 292          * DOS programs. Since we never do, we are always in the System VM.
 293          * According to Ralf Brown's Interrupt List, never return 0. But it
 294          * seems to work okay (returning 0), just to be sure we return 1.
 295          */
 296         BX_reg(context) = 1; /* VM 1 is probably the System VM */
 297         break;
 298
 299     case 0x84:  /* Get device API entry point */
 300         addr = (DWORD)NE_GetEntryPoint( GetModuleHandle16("WPROCS"),
 301                                         VXD_BASE + BX_reg(context) );
 302         if (!addr)  /* not supported */
 303         {
 304             ERR(int,"Accessing unknown VxD %04x - Expect a failure now.\n",
 305                      BX_reg(context) );
 306         }
 307         ES_reg(context) = SELECTOROF(addr);
 308         DI_reg(context) = OFFSETOF(addr);
 309         break;
 310
 311     case 0x86:  /* DPMI detect mode */
 312         AX_reg(context) = 0;  /* Running under DPMI */
 313         break;
 314
 315     case 0x87: /* DPMI installation check */
 316 #if 1   /* DPMI still breaks pkunzip */
 317         if (ISV86(context)) break; /* so bail out for now if in v86 mode */
 318 #endif
 319         {
 320             TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
 321             NE_MODULE *pModule = pTask ? NE_GetPtr( pTask->hModule ) : NULL;
 322             SYSTEM_INFO si;
 323
 324             GlobalUnlock16( GetCurrentTask() );
 325             GetSystemInfo(&si);
 326             AX_reg(context) = 0x0000; /* DPMI Installed */
 327             BX_reg(context) = 0x0001; /* 32bits available */
 328             CL_reg(context) = si.wProcessorLevel;
 329             DX_reg(context) = 0x005a; /* DPMI major/minor 0.90 */
 330             SI_reg(context) = 0;      /* # of para. of DOS extended private data */
 331 #ifdef MZ_SUPPORTED                   /* ES:DI is DPMI switch entry point */
 332             if (pModule && pModule->lpDosTask)
 333                 ES_reg(context) = pModule->lpDosTask->dpmi_seg;
 334             else
 335 #endif
 336                 ES_reg(context) = 0;
 337             DI_reg(context) = 0;
 338             break;
 339         }
 340     case 0x8a:  /* DPMI get vendor-specific API entry point. */
 341         /* The 1.0 specs say this should work with all 0.9 hosts.  */
 342         break;
 343
 344     default:
 345         INT_BARF( context, 0x2f );
 346     }
 347 }
 348
 349 void do_mscdex( CONTEXT *context )
 350 {
 351     int         drive, count;
 352     char*       p;
 353
 354     switch(AL_reg(context)) {
 355     case 0x00: /* Installation check */
 356         /* Count the number of contiguous CDROM drives
 357          */
 358         for (drive = count = 0; drive < MAX_DOS_DRIVES; drive++) {
 359             if (DRIVE_GetType(drive) == TYPE_CDROM) {
 360                 while (DRIVE_GetType(drive + count) == TYPE_CDROM) count++;
 361                 break;
 362             }
 363         }
 364         TRACE(int, "Installation check: %d cdroms, starting at %d\n", count, drive);
 365         BX_reg(context) = count;
 366         CX_reg(context) = (drive < MAX_DOS_DRIVES) ? drive : 0;
 367         break;
 368
 369     case 0x0B: /* drive check */
 370         AX_reg(context) = (DRIVE_GetType(CX_reg(context)) == TYPE_CDROM);
 371         BX_reg(context) = 0xADAD;
 372         break;
 373
 374     case 0x0C: /* get version */
 375         BX_reg(context) = 0x020a;
 376         break;
 377
 378     case 0x0D: /* get drive letters */
 379         p = CTX_SEG_OFF_TO_LIN(context, ES_reg(context), EBX_reg(context));
 380         memset( p, 0, MAX_DOS_DRIVES );
 381         for (drive = 0; drive < MAX_DOS_DRIVES; drive++) {
 382             if (DRIVE_GetType(drive) == TYPE_CDROM) *p++ = drive;
 383         }
 384         break;
 385
 386     case 0x10: /* direct driver acces */
 387     {
 388         static  WINE_CDAUDIO    wcda;
 389         BYTE*   driver_request;
 390         BYTE*   io_stru;
 391         u_char  Error = 255; /* No Error */
 392         int     dorealmode = ISV86(context);
 393
 394         driver_request = (dorealmode) ?
 395             DOSMEM_MapRealToLinear(MAKELONG(BX_reg(context),ES_reg(context))) :
 396             PTR_SEG_OFF_TO_LIN(ES_reg(context),BX_reg(context));
 397
 398         if (!driver_request) {
 399             /* FIXME - to be deleted ?? */
 400             ERR(int,"   ES:BX==0 ! SEGFAULT ?\n");
 401             ERR(int," -->BX=0x%04x, ES=0x%04lx, DS=0x%04lx, CX=0x%04x\n",
 402                 BX_reg(context), ES_reg(context), DS_reg(context), CX_reg(context));
 403         } else {
 404             /* FIXME - would be best to open the device at the begining of the wine session ....
 405              */
 406             if (wcda.unixdev <= 0)
 407                 CDAUDIO_Open(&wcda);
 408         }
 409         TRACE(int,"CDROM device driver -> command <%d>\n", (unsigned char)driver_request[2]);
 410
 411         /* set status to 0 */
 412         driver_request[3] = driver_request[4] = 0;
 413         CDAUDIO_GetCDStatus(&wcda);
 414
 415         switch (driver_request[2]) {
 416         case 3:
 417             io_stru = (dorealmode) ?
 418                 DOSMEM_MapRealToLinear(MAKELONG(*((WORD*)(driver_request + 14)), *((WORD*)(driver_request + 16)))) :
 419                     PTR_SEG_OFF_TO_LIN(*((WORD*)(driver_request + 16)), *((WORD*)(driver_request + 18)));
 420
 421             TRACE(int," --> IOCTL INPUT <%d>\n", io_stru[0]);
 422             switch (io_stru[0]) {
 423 #if 0
 424             case 0: /* Get device Header */
 425             {
 426                 static  LPSTR ptr = 0;
 427                 if (ptr == 0)   {
 428                     ptr = SEGPTR_ALLOC(22);
 429                     *((DWORD*)(ptr     )) = ~1;         /* Next Device Driver */
 430                     *((WORD* )(ptr +  4)) = 0xC800;     /* Device attributes  */
 431                     *((WORD* )(ptr +  6)) = 0x1234;     /* Pointer to device strategy routine: FIXME */
 432                     *((WORD* )(ptr +  8)) = 0x3142;     /* Pointer to device interrupt routine: FIXME */
 433                     *((char*) (ptr + 10)) = 'W';        /* 8-byte character device name field */
 434                     *((char*) (ptr + 11)) = 'I';
 435                     *((char*) (ptr + 12)) = 'N';
 436                     *((char*) (ptr + 13)) = 'E';
 437                     *((char*) (ptr + 14)) = '_';
 438                     *((char*) (ptr + 15)) = 'C';
 439                     *((char*) (ptr + 16)) = 'D';
 440                     *((char*) (ptr + 17)) = '_';
 441                     *((WORD*) (ptr + 18)) = 0;          /* Reserved (must be zero) */
 442                     *((BYTE*) (ptr + 20)) = 0;          /* Drive letter (must be zero) */
 443                     *((BYTE*) (ptr + 21)) = 1;          /* Number of units supported (one or more) FIXME*/
 444                 }
 445                 ((DWORD*)io_stru+1)[0] = SEGPTR_GET(ptr);
 446             }
 447             break;
 448 #endif
 449
 450             case 1: /* location of head */
 451                 if (io_stru[1] == 0) {
 452                     /* FIXME: what if io_stru+2 is not DWORD aligned ? */
 453                     ((DWORD*)io_stru+2)[0] = wcda.dwCurFrame;
 454                     TRACE(int," ----> HEAD LOCATION <%ld>\n", ((DWORD*)io_stru+2)[0]);
 455                 } else {
 456                     ERR(int,"CDRom-Driver: Unsupported addressing mode !!\n");
 457                     Error = 0x0c;
 458                 }
 459                 break;
 460
 461             case 4: /* Audio channel info */
 462                 io_stru[1] = 0;
 463                 io_stru[2] = 0xff;
 464                 io_stru[3] = 1;
 465                 io_stru[4] = 0xff;
 466                 io_stru[5] = 2;
 467                 io_stru[6] = 0xff;
 468                 io_stru[7] = 3;
 469                 io_stru[8] = 0xff;
 470                 TRACE(int," ----> AUDIO CHANNEL CONTROL\n");
 471                 break;
 472
 473             case 6: /* device status */
 474                 /* FIXME .. does this work properly ?? */
 475                 io_stru[3] = io_stru[4] = 0;
 476                 io_stru[2] = 1;  /* supports audio channels (?? FIXME ??) */
 477                 io_stru[1] = 16; /* data read and plays audio tracks */
 478                 if (wcda.cdaMode == WINE_CDA_OPEN)
 479                     io_stru[1] |= 1;
 480                 TRACE(int," ----> DEVICE STATUS <0x%08lx>\n", (DWORD)io_stru[1]);
 481                 break;
 482
 483             case 8: /* Volume size */
 484                 *((DWORD*)(io_stru+1)) = wcda.dwTotalLen;
 485                 TRACE(int," ----> VOLMUE SIZE <0x%08lx>\n", *((DWORD*)(io_stru+1)));
 486                 break;
 487
 488             case 9: /* media changed ? */
 489                 /* answers don't know... -1/1 for yes/no would be better */
 490                 io_stru[0] = 0; /* FIXME? 1? */
 491                 break;
 492
 493             case 10: /* audio disk info */
 494                 io_stru[1] = wcda.nFirstTrack; /* starting track of the disc */
 495                 io_stru[2] = wcda.nLastTrack; /* ending track */
 496                 ((DWORD*)io_stru+3)[0] = wcda.dwFirstOffset;
 497                 TRACE(int," ----> AUDIO DISK INFO <%d-%d/%ld>\n",
 498                       io_stru[1], io_stru[2], ((DWORD *)io_stru+3)[0]);
 499                 break;
 500
 501             case 11: /* audio track info */
 502                 ((DWORD*)io_stru+2)[0] = wcda.lpdwTrackPos[io_stru[1]];
 503                 /* starting point if the track */
 504                 io_stru[6] = wcda.lpbTrackFlags[io_stru[1]];
 505                 TRACE(int," ----> AUDIO TRACK INFO <track=%d>[%ld:%d]\n",
 506                       io_stru[1],((DWORD *)io_stru+2)[0], io_stru[6]);
 507                 break;
 508
 509             case 12: /* get Q-Channel / Subchannel (??) info */
 510                 io_stru[ 1] = wcda.lpbTrackFlags[wcda.nCurTrack];
 511                 io_stru[ 2] = wcda.nCurTrack;
 512                 io_stru[ 3] = 0; /* FIXME ?? */
 513                 {
 514                     DWORD  f = wcda.lpdwTrackPos[wcda.nCurTrack] - wcda.dwCurFrame;
 515                     io_stru[ 4] = f / CDFRAMES_PERMIN;
 516                     io_stru[ 5] = (f - CDFRAMES_PERMIN * io_stru[4]) / CDFRAMES_PERSEC;
 517                     io_stru[ 6] = f - CDFRAMES_PERMIN * io_stru[4] - CDFRAMES_PERSEC * io_stru[5];
 518                 }
 519                 io_stru[ 7] = 0;
 520                 {
 521                     DWORD  f = wcda.dwCurFrame;
 522                     io_stru[ 8] = f / CDFRAMES_PERMIN;
 523                     io_stru[ 9] = (f - CDFRAMES_PERMIN * io_stru[4]) / CDFRAMES_PERSEC;
 524                     io_stru[10] = f - CDFRAMES_PERMIN * io_stru[4] - CDFRAMES_PERSEC * io_stru[5];
 525                 }
 526                 break;
 527
 528             case 15: /* Audio status info */
 529                 /* !!!! FIXME FIXME FIXME !! */
 530                 *((WORD*)(io_stru+1))  = (wcda.cdaMode == WINE_CDA_PAUSE);
 531                 *((DWORD*)(io_stru+3)) = wcda.lpdwTrackPos[0];
 532                 *((DWORD*)(io_stru+7)) = wcda.lpdwTrackPos[wcda.nTracks - 1];
 533                 break;
 534
 535             default:
 536                 FIXME(int," Cdrom-driver: IOCTL INPUT: Unimplemented <%d>!!\n", io_stru[0]);
 537                 Error=0x0c;
 538                 break;
 539             }
 540             break;
 541
 542         case 12:
 543             io_stru = (dorealmode) ?
 544                 DOSMEM_MapRealToLinear(MAKELONG(*((WORD*)(driver_request + 14)), *((WORD*)(driver_request + 16)))) :
 545                     PTR_SEG_OFF_TO_LIN(*((WORD*)(driver_request + 16)), *((WORD*)(driver_request + 18)));
 546
 547             TRACE(int," --> IOCTL OUTPUT <%d>\n",io_stru[0]);
 548             switch (io_stru[0]) {
 549             case 0: /* eject */
 550                 CDAUDIO_SetDoor(&wcda, 1);
 551                 TRACE(int," ----> EJECT\n");
 552                 break;
 553             case 2: /* reset drive */
 554                 CDAUDIO_Reset(&wcda);
 555                 TRACE(int," ----> RESET\n");
 556                 break;
 557             case 3: /* Audio Channel Control */
 558                 FIXME(int, " ----> AUDIO CHANNEL CONTROL (NIY)\n");
 559                 break;
 560             case 5: /* close tray */
 561                 CDAUDIO_SetDoor(&wcda, 0);
 562                 TRACE(int," ----> CLOSE TRAY\n");
 563                 break;
 564             default:
 565                 FIXME(int," Cdrom-driver: IOCTL OUPUT: Unimplemented <%d>!!\n",
 566                       io_stru[0]);
 567                 Error=0x0c;
 568                 break;
 569             }
 570             break;
 571
 572         case 132:  /* FIXME - It didn't function for me... */
 573             TRACE(int," --> PLAY AUDIO\n");
 574             if (driver_request[13] == 0) {
 575                 TRACE(int,"Mode :<0x%02X> , [%ld-%ld]\n",
 576                       (unsigned char)driver_request[13],
 577                       ((DWORD*)driver_request+14)[0],
 578                       ((DWORD*)driver_request+18)[0]);
 579                 CDAUDIO_Play(&wcda, ((DWORD*)driver_request+14)[0], ((DWORD*)driver_request+14)[0] + ((DWORD*)driver_request+18)[0]);
 580             } else {
 581                 ERR(int, "CDRom-Driver: Unsupported address mode !!\n");
 582                 Error=0x0c;
 583             }
 584             break;
 585
 586         case 133:
 587             if (wcda.cdaMode == WINE_CDA_PLAY) {
 588                 CDAUDIO_Pause(&wcda, 1);
 589                 TRACE(int," --> STOP AUDIO (Paused)\n");
 590             } else {
 591                 CDAUDIO_Stop(&wcda);
 592                 TRACE(int," --> STOP AUDIO (Stopped)\n");
 593             }
 594             break;
 595
 596         case 136:
 597             TRACE(int," --> RESUME AUDIO\n");
 598             CDAUDIO_Pause(&wcda, 0);
 599             break;
 600
 601         default:
 602             FIXME(int," CDRom-Driver - ioctl uninplemented <%d>\n",driver_request[2]);
 603             Error=0x0c;
 604         }
 605
 606         if (Error<255) {
 607             driver_request[4] |= 127;
 608             driver_request[3] = Error;
 609         }
 610         driver_request[4] |= 2 * (wcda.cdaMode = WINE_CDA_PLAY);
 611
 612         /*  close (fdcd); FIXME !! -- cannot use close when ejecting
 613             the cd-rom - close would close it again */
 614     }
 615     break;
 616     default:
 617         FIXME(int, "Unimplemented MSCDEX function 0x%02X.\n", AL_reg(context));
 618         break;
 619     }
 620 }