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 0x20:  /* Get VLM Call Address */
 190             /* return nothing -> NetWare not installed */
 191             break;
 192         default:
 193             INT_BARF( context, 0x2f );
 194             break;
 195         }
 196         break;
 197     case 0xb7:  /* append */
 198         AL_reg(context) = 0; /* not installed */
 199         break;
 200     case 0xb8:  /* network */
 201         switch (AL_reg(context))
 202         {
 203         case 0x00:  /* Install check */
 204             /* not installed */
 205             break;
 206         default:
 207             INT_BARF( context, 0x2f );
 208             break;
 209         }
 210         break;
 211     case 0xbd:  /* some Novell network install check ??? */
 212         AX_reg(context) = 0xa5a5; /* pretend to have Novell IPX installed */
 213         break;
 214     case 0xbf:  /* REDIRIFS.EXE */
 215         switch (AL_reg(context))
 216         {
 217         case 0x00:  /* Install check */
 218             /* not installed */
 219             break;
 220         default:
 221             INT_BARF( context, 0x2f );
 222             break;
 223         }
 224         break;
 225     case 0xd7:  /* Banyan Vines */
 226         switch (AL_reg(context))
 227         {
 228         case 0x01:  /* Install check - Get Int Number */
 229             /* not installed */
 230             break;
 231         default:
 232             INT_BARF( context, 0x2f );
 233             break;
 234         }
 235         break;
 236     case 0xfa:  /* Watcom debugger check, returns 0x666 if installed */
 237         break;
 238     default:
 239         INT_BARF( context, 0x2f );
 240         break;
 241     }
 242 }
 243
 244
 245 /**********************************************************************
 246  *          do_int2f_16
 247  */
 248 static void do_int2f_16( CONTEXT *context )
 249 {
 250     DWORD addr;
 251
 252     switch(AL_reg(context))
 253     {
 254     case 0x00:  /* Windows enhanced mode installation check */
 255         AX_reg(context) = (GetWinFlags() & WF_ENHANCED) ?
 256                                                   LOWORD(GetVersion16()) : 0;
 257         break;
 258
 259     case 0x0a:  /* Get Windows version and type */
 260         AX_reg(context) = 0;
 261         BX_reg(context) = (LOWORD(GetVersion16()) << 8) |
 262                           (LOWORD(GetVersion16()) >> 8);
 263         CX_reg(context) = (GetWinFlags() & WF_ENHANCED) ? 3 : 2;
 264         break;
 265
 266     case 0x0b:  /* Identify Windows-aware TSRs */
 267         /* we don't have any pre-Windows TSRs */
 268         break;
 269
 270     case 0x11:  /* Get Shell Parameters - (SHELL= in CONFIG.SYS) */
 271         /* We can mock this up. But not today... */
 272         FIXME(int, "Get Shell Parameters\n");
 273         break;
 274
 275     case 0x80:  /* Release time-slice */
 276         AL_reg(context) = 0;
 277         break;
 278
 279     case 0x81: /* Begin critical section.  */
 280         /* FIXME? */
 281         break;
 282
 283     case 0x82: /* End critical section.  */
 284         /* FIXME? */
 285         break;
 286
 287     case 0x83:  /* Return Current Virtual Machine ID */
 288         /* Virtual Machines are usually created/destroyed when Windows runs
 289          * DOS programs. Since we never do, we are always in the System VM.
 290          * According to Ralf Brown's Interrupt List, never return 0. But it
 291          * seems to work okay (returning 0), just to be sure we return 1.
 292          */
 293         BX_reg(context) = 1; /* VM 1 is probably the System VM */
 294         break;
 295
 296     case 0x84:  /* Get device API entry point */
 297         addr = (DWORD)NE_GetEntryPoint( GetModuleHandle16("WPROCS"),
 298                                         VXD_BASE + BX_reg(context) );
 299         if (!addr)  /* not supported */
 300         {
 301             ERR(int,"Accessing unknown VxD %04x - Expect a failure now.\n",
 302                      BX_reg(context) );
 303         }
 304         ES_reg(context) = SELECTOROF(addr);
 305         DI_reg(context) = OFFSETOF(addr);
 306         break;
 307
 308     case 0x86:  /* DPMI detect mode */
 309         AX_reg(context) = 0;  /* Running under DPMI */
 310         break;
 311
 312     case 0x87: /* DPMI installation check */
 313 #if 1   /* DPMI still breaks pkunzip */
 314         if (ISV86(context)) break; /* so bail out for now if in v86 mode */
 315 #endif
 316         {
 317             TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
 318             NE_MODULE *pModule = pTask ? NE_GetPtr( pTask->hModule ) : NULL;
 319             SYSTEM_INFO si;
 320
 321             GlobalUnlock16( GetCurrentTask() );
 322             GetSystemInfo(&si);
 323             AX_reg(context) = 0x0000; /* DPMI Installed */
 324             BX_reg(context) = 0x0001; /* 32bits available */
 325             CL_reg(context) = si.wProcessorLevel;
 326             DX_reg(context) = 0x005a; /* DPMI major/minor 0.90 */
 327             SI_reg(context) = 0;      /* # of para. of DOS extended private data */
 328 #ifdef MZ_SUPPORTED                   /* ES:DI is DPMI switch entry point */
 329             if (pModule && pModule->lpDosTask)
 330                 ES_reg(context) = pModule->lpDosTask->dpmi_seg;
 331             else
 332 #endif
 333                 ES_reg(context) = 0;
 334             DI_reg(context) = 0;
 335             break;
 336         }
 337     case 0x8a:  /* DPMI get vendor-specific API entry point. */
 338         /* The 1.0 specs say this should work with all 0.9 hosts.  */
 339         break;
 340
 341     default:
 342         INT_BARF( context, 0x2f );
 343     }
 344 }
 345
 346 void do_mscdex( CONTEXT *context )
 347 {
 348     int         drive, count;
 349     char*       p;
 350
 351     switch(AL_reg(context)) {
 352     case 0x00: /* Installation check */
 353         /* Count the number of contiguous CDROM drives
 354          */
 355         for (drive = count = 0; drive < MAX_DOS_DRIVES; drive++) {
 356             if (DRIVE_GetType(drive) == TYPE_CDROM) {
 357                 while (DRIVE_GetType(drive + count) == TYPE_CDROM) count++;
 358                 break;
 359             }
 360         }
 361         TRACE(int, "Installation check: %d cdroms, starting at %d\n", count, drive);
 362         BX_reg(context) = count;
 363         CX_reg(context) = (drive < MAX_DOS_DRIVES) ? drive : 0;
 364         break;
 365
 366     case 0x0B: /* drive check */
 367         AX_reg(context) = (DRIVE_GetType(CX_reg(context)) == TYPE_CDROM);
 368         BX_reg(context) = 0xADAD;
 369         break;
 370
 371     case 0x0C: /* get version */
 372         BX_reg(context) = 0x020a;
 373         break;
 374
 375     case 0x0D: /* get drive letters */
 376         p = CTX_SEG_OFF_TO_LIN(context, ES_reg(context), EBX_reg(context));
 377         memset( p, 0, MAX_DOS_DRIVES );
 378         for (drive = 0; drive < MAX_DOS_DRIVES; drive++) {
 379             if (DRIVE_GetType(drive) == TYPE_CDROM) *p++ = drive;
 380         }
 381         break;
 382
 383     case 0x10: /* direct driver acces */
 384     {
 385         static  WINE_CDAUDIO    wcda;
 386         BYTE*   driver_request;
 387         BYTE*   io_stru;
 388         u_char  Error = 255; /* No Error */
 389         int     dorealmode = ISV86(context);
 390
 391         driver_request = (dorealmode) ?
 392             DOSMEM_MapRealToLinear(MAKELONG(BX_reg(context),ES_reg(context))) :
 393             PTR_SEG_OFF_TO_LIN(ES_reg(context),BX_reg(context));
 394
 395         if (!driver_request) {
 396             /* FIXME - to be deleted ?? */
 397             ERR(int,"   ES:BX==0 ! SEGFAULT ?\n");
 398             ERR(int," -->BX=0x%04x, ES=0x%04lx, DS=0x%04lx, CX=0x%04x\n",
 399                 BX_reg(context), ES_reg(context), DS_reg(context), CX_reg(context));
 400         } else {
 401             /* FIXME - would be best to open the device at the begining of the wine session ....
 402              */
 403             if (wcda.unixdev <= 0)
 404                 CDAUDIO_Open(&wcda);
 405         }
 406         TRACE(int,"CDROM device driver -> command <%d>\n", (unsigned char)driver_request[2]);
 407
 408         /* set status to 0 */
 409         driver_request[3] = driver_request[4] = 0;
 410         CDAUDIO_GetCDStatus(&wcda);
 411
 412         switch (driver_request[2]) {
 413         case 3:
 414             io_stru = (dorealmode) ?
 415                 DOSMEM_MapRealToLinear(MAKELONG(*((WORD*)(driver_request + 14)), *((WORD*)(driver_request + 16)))) :
 416                     PTR_SEG_OFF_TO_LIN(*((WORD*)(driver_request + 16)), *((WORD*)(driver_request + 18)));
 417
 418             TRACE(int," --> IOCTL INPUT <%d>\n", io_stru[0]);
 419             switch (io_stru[0]) {
 420 #if 0
 421             case 0: /* Get device Header */
 422             {
 423                 static  LPSTR ptr = 0;
 424                 if (ptr == 0)   {
 425                     ptr = SEGPTR_ALLOC(22);
 426                     *((DWORD*)(ptr     )) = ~1;         /* Next Device Driver */
 427                     *((WORD* )(ptr +  4)) = 0xC800;     /* Device attributes  */
 428                     *((WORD* )(ptr +  6)) = 0x1234;     /* Pointer to device strategy routine: FIXME */
 429                     *((WORD* )(ptr +  8)) = 0x3142;     /* Pointer to device interrupt routine: FIXME */
 430                     *((char*) (ptr + 10)) = 'W';        /* 8-byte character device name field */
 431                     *((char*) (ptr + 11)) = 'I';
 432                     *((char*) (ptr + 12)) = 'N';
 433                     *((char*) (ptr + 13)) = 'E';
 434                     *((char*) (ptr + 14)) = '_';
 435                     *((char*) (ptr + 15)) = 'C';
 436                     *((char*) (ptr + 16)) = 'D';
 437                     *((char*) (ptr + 17)) = '_';
 438                     *((WORD*) (ptr + 18)) = 0;          /* Reserved (must be zero) */
 439                     *((BYTE*) (ptr + 20)) = 0;          /* Drive letter (must be zero) */
 440                     *((BYTE*) (ptr + 21)) = 1;          /* Number of units supported (one or more) FIXME*/
 441                 }
 442                 ((DWORD*)io_stru+1)[0] = SEGPTR_GET(ptr);
 443             }
 444             break;
 445 #endif
 446
 447             case 1: /* location of head */
 448                 if (io_stru[1] == 0) {
 449                     /* FIXME: what if io_stru+2 is not DWORD aligned ? */
 450                     ((DWORD*)io_stru+2)[0] = wcda.dwCurFrame;
 451                     TRACE(int," ----> HEAD LOCATION <%ld>\n", ((DWORD*)io_stru+2)[0]);
 452                 } else {
 453                     ERR(int,"CDRom-Driver: Unsupported addressing mode !!\n");
 454                     Error = 0x0c;
 455                 }
 456                 break;
 457
 458             case 4: /* Audio channel info */
 459                 io_stru[1] = 0;
 460                 io_stru[2] = 0xff;
 461                 io_stru[3] = 1;
 462                 io_stru[4] = 0xff;
 463                 io_stru[5] = 2;
 464                 io_stru[6] = 0xff;
 465                 io_stru[7] = 3;
 466                 io_stru[8] = 0xff;
 467                 TRACE(int," ----> AUDIO CHANNEL CONTROL\n");
 468                 break;
 469
 470             case 6: /* device status */
 471                 /* FIXME .. does this work properly ?? */
 472                 io_stru[3] = io_stru[4] = 0;
 473                 io_stru[2] = 1;  /* supports audio channels (?? FIXME ??) */
 474                 io_stru[1] = 16; /* data read and plays audio tracks */
 475                 if (wcda.cdaMode == WINE_CDA_OPEN)
 476                     io_stru[1] |= 1;
 477                 TRACE(int," ----> DEVICE STATUS <0x%08lx>\n", (DWORD)io_stru[1]);
 478                 break;
 479
 480             case 8: /* Volume size */
 481                 *((DWORD*)(io_stru+1)) = wcda.dwTotalLen;
 482                 TRACE(int," ----> VOLMUE SIZE <0x%08lx>\n", *((DWORD*)(io_stru+1)));
 483                 break;
 484
 485             case 9: /* media changed ? */
 486                 /* answers don't know... -1/1 for yes/no would be better */
 487                 io_stru[0] = 0; /* FIXME? 1? */
 488                 break;
 489
 490             case 10: /* audio disk info */
 491                 io_stru[1] = wcda.nFirstTrack; /* starting track of the disc */
 492                 io_stru[2] = wcda.nLastTrack; /* ending track */
 493                 ((DWORD*)io_stru+3)[0] = wcda.dwFirstOffset;
 494                 TRACE(int," ----> AUDIO DISK INFO <%d-%d/%ld>\n",
 495                       io_stru[1], io_stru[2], ((DWORD *)io_stru+3)[0]);
 496                 break;
 497
 498             case 11: /* audio track info */
 499                 ((DWORD*)io_stru+2)[0] = wcda.lpdwTrackPos[io_stru[1]];
 500                 /* starting point if the track */
 501                 io_stru[6] = wcda.lpbTrackFlags[io_stru[1]];
 502                 TRACE(int," ----> AUDIO TRACK INFO <track=%d>[%ld:%d]\n",
 503                       io_stru[1],((DWORD *)io_stru+2)[0], io_stru[6]);
 504                 break;
 505
 506             case 12: /* get Q-Channel / Subchannel (??) info */
 507                 io_stru[ 1] = wcda.lpbTrackFlags[wcda.nCurTrack];
 508                 io_stru[ 2] = wcda.nCurTrack;
 509                 io_stru[ 3] = 0; /* FIXME ?? */
 510                 {
 511                     DWORD  f = wcda.lpdwTrackPos[wcda.nCurTrack] - wcda.dwCurFrame;
 512                     io_stru[ 4] = f / CDFRAMES_PERMIN;
 513                     io_stru[ 5] = (f - CDFRAMES_PERMIN * io_stru[4]) / CDFRAMES_PERSEC;
 514                     io_stru[ 6] = f - CDFRAMES_PERMIN * io_stru[4] - CDFRAMES_PERSEC * io_stru[5];
 515                 }
 516                 io_stru[ 7] = 0;
 517                 {
 518                     DWORD  f = wcda.dwCurFrame;
 519                     io_stru[ 8] = f / CDFRAMES_PERMIN;
 520                     io_stru[ 9] = (f - CDFRAMES_PERMIN * io_stru[4]) / CDFRAMES_PERSEC;
 521                     io_stru[10] = f - CDFRAMES_PERMIN * io_stru[4] - CDFRAMES_PERSEC * io_stru[5];
 522                 }
 523                 break;
 524
 525             case 15: /* Audio status info */
 526                 /* !!!! FIXME FIXME FIXME !! */
 527                 *((WORD*)(io_stru+1))  = (wcda.cdaMode == WINE_CDA_PAUSE);
 528                 *((DWORD*)(io_stru+3)) = wcda.lpdwTrackPos[0];
 529                 *((DWORD*)(io_stru+7)) = wcda.lpdwTrackPos[wcda.nTracks - 1];
 530                 break;
 531
 532             default:
 533                 FIXME(int," Cdrom-driver: IOCTL INPUT: Unimplemented <%d>!!\n", io_stru[0]);
 534                 Error=0x0c;
 535                 break;
 536             }
 537             break;
 538
 539         case 12:
 540             io_stru = (dorealmode) ?
 541                 DOSMEM_MapRealToLinear(MAKELONG(*((WORD*)(driver_request + 14)), *((WORD*)(driver_request + 16)))) :
 542                     PTR_SEG_OFF_TO_LIN(*((WORD*)(driver_request + 16)), *((WORD*)(driver_request + 18)));
 543
 544             TRACE(int," --> IOCTL OUTPUT <%d>\n",io_stru[0]);
 545             switch (io_stru[0]) {
 546             case 0: /* eject */
 547                 CDAUDIO_SetDoor(&wcda, 1);
 548                 TRACE(int," ----> EJECT\n");
 549                 break;
 550             case 2: /* reset drive */
 551                 CDAUDIO_Reset(&wcda);
 552                 TRACE(int," ----> RESET\n");
 553                 break;
 554             case 3: /* Audio Channel Control */
 555                 FIXME(int, " ----> AUDIO CHANNEL CONTROL (NIY)\n");
 556                 break;
 557             case 5: /* close tray */
 558                 CDAUDIO_SetDoor(&wcda, 0);
 559                 TRACE(int," ----> CLOSE TRAY\n");
 560                 break;
 561             default:
 562                 FIXME(int," Cdrom-driver: IOCTL OUPUT: Unimplemented <%d>!!\n",
 563                       io_stru[0]);
 564                 Error=0x0c;
 565                 break;
 566             }
 567             break;
 568
 569         case 132:  /* FIXME - It didn't function for me... */
 570             TRACE(int," --> PLAY AUDIO\n");
 571             if (driver_request[13] == 0) {
 572                 TRACE(int,"Mode :<0x%02X> , [%ld-%ld]\n",
 573                       (unsigned char)driver_request[13],
 574                       ((DWORD*)driver_request+14)[0],
 575                       ((DWORD*)driver_request+18)[0]);
 576                 CDAUDIO_Play(&wcda, ((DWORD*)driver_request+14)[0], ((DWORD*)driver_request+14)[0] + ((DWORD*)driver_request+18)[0]);
 577             } else {
 578                 ERR(int, "CDRom-Driver: Unsupported address mode !!\n");
 579                 Error=0x0c;
 580             }
 581             break;
 582
 583         case 133:
 584             if (wcda.cdaMode == WINE_CDA_PLAY) {
 585                 CDAUDIO_Pause(&wcda, 1);
 586                 TRACE(int," --> STOP AUDIO (Paused)\n");
 587             } else {
 588                 CDAUDIO_Stop(&wcda);
 589                 TRACE(int," --> STOP AUDIO (Stopped)\n");
 590             }
 591             break;
 592
 593         case 136:
 594             TRACE(int," --> RESUME AUDIO\n");
 595             CDAUDIO_Pause(&wcda, 0);
 596             break;
 597
 598         default:
 599             FIXME(int," CDRom-Driver - ioctl uninplemented <%d>\n",driver_request[2]);
 600             Error=0x0c;
 601         }
 602
 603         if (Error<255) {
 604             driver_request[4] |= 127;
 605             driver_request[3] = Error;
 606         }
 607         driver_request[4] |= 2 * (wcda.cdaMode = WINE_CDA_PLAY);
 608
 609         /*  close (fdcd); FIXME !! -- cannot use close when ejecting
 610             the cd-rom - close would close it again */
 611     }
 612     break;
 613     default:
 614         FIXME(int, "Unimplemented MSCDEX function 0x%02X.\n", AL_reg(context));
 615         break;
 616     }
 617 }