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15aedbc6b1
wine/msdos/int2f.c
Jess Haas 15aedbc6b1 Added stub for int2f 4b.
1999-03-28 09:16:01 +00:00

825 lines
24 KiB
C
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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* DOS interrupt 2fh handler
*
* Cdrom - device driver emulation - Audio features.
* (c) 1998 Petr Tomasek <tomasek@etf.cuni.cz>
* (c) 1999 Eric Pouech
*/
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "wine/winbase16.h"
#include "ldt.h"
#include "drive.h"
#include "msdos.h"
#include "miscemu.h"
#include "module.h"
#include "task.h"
#include "dosexe.h"
#include "heap.h"
/* #define DEBUG_INT */
#include "debug.h"
#include "cdrom.h"
/* base WPROCS.DLL ordinal number for VxDs */
#define VXD_BASE 400
static void do_int2f_16( CONTEXT *context );
static void MSCDEX_Handler( CONTEXT *context );
/**********************************************************************
* INT_Int2fHandler
*
* Handler for int 2fh (multiplex).
*/
void WINAPI INT_Int2fHandler( CONTEXT *context )
{
TRACE(int,"Subfunction 0x%X\n", AX_reg(context));
switch(AH_reg(context))
{
case 0x10:
AL_reg(context) = 0xff; /* share is installed */
break;
case 0x11: /* Network Redirector / IFSFUNC */
switch (AL_reg(context))
{
case 0x00: /* Install check */
/* not installed */
break;
case 0x80: /* Enhanced services - Install check */
/* not installed */
break;
default:
INT_BARF( context, 0x2f );
break;
}
break;
case 0x12:
switch (AL_reg(context))
{
case 0x2e: /* get or set DOS error table address */
switch (DL_reg(context))
{
/* Four tables: even commands are 'get', odd are 'set' */
/* DOS 5.0+ ignores "set" commands */
case 0x01:
case 0x03:
case 0x05:
case 0x07:
case 0x09:
break;
/* Instead of having a message table in DOS-space, */
/* we can use a special case for MS-DOS to force */
/* the secondary interface. */
case 0x00:
case 0x02:
case 0x04:
case 0x06:
ES_reg(context) = 0x0001;
DI_reg(context) = 0x0000;
break;
case 0x08:
FIXME(int, "No real-mode handler for errors yet! (bye!)");
break;
default:
INT_BARF(context, 0x2f);
}
break;
default:
INT_BARF(context, 0x2f);
}
break;
case 0x15: /* mscdex */
MSCDEX_Handler(context);
break;
case 0x16:
do_int2f_16( context );
break;
case 0x1a: /* ANSI.SYS / AVATAR.SYS Install Check */
/* Not supported yet, do nothing */
break;
case 0x43:
#if 1
switch (AL_reg(context))
{
case 0x00: /* XMS v2+ installation check */
WARN(int,"XMS is not fully implemented\n");
AL_reg(context) = 0x80;
break;
case 0x10: /* XMS v2+ get driver address */
{
TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
NE_MODULE *pModule = pTask ? NE_GetPtr( pTask->hModule ) : NULL;
GlobalUnlock16( GetCurrentTask() );
#ifdef MZ_SUPPORTED
if (pModule && pModule->lpDosTask)
ES_reg(context) = pModule->lpDosTask->xms_seg;
else
#endif
ES_reg(context) = 0;
BX_reg(context) = 0;
break;
}
default:
INT_BARF( context, 0x2f );
}
#else
FIXME(int,"check for XMS (not supported)\n");
AL_reg(context) = 0x42; /* != 0x80 */
#endif
break;
case 0x45:
switch (AL_reg(context))
{
case 0x00:
case 0x01:
case 0x02:
case 0x03:
case 0x04:
case 0x05:
case 0x06:
case 0x07:
case 0x08:
/* Microsoft Profiler - not installed */
break;
default:
INT_BARF( context, 0x2f );
}
break;
case 0x4a:
switch(AL_reg(context))
{
case 0x10: /* smartdrv */
break; /* not installed */
case 0x11: /* dblspace */
break; /* not installed */
case 0x12: /* realtime compression interface */
break; /* not installed */
case 0x32: /* patch IO.SYS (???) */
break; /* we have no IO.SYS, so we can't patch it :-/ */
default:
INT_BARF( context, 0x2f );
}
break;
case 0x4b:
switch(AL_reg(context))
{
case 0x01:
case 0x02:
case 0x03:
case 0x04:
case 0x05:
FIXME(int,"Task Switcher - not implemented\n");
break;
default:
INT_BARF( context, 0x2f );
}
break;
case 0x56: /* INTERLNK */
switch(AL_reg(context))
{
case 0x01: /* check if redirected drive */
AL_reg(context) = 0; /* not redirected */
break;
default:
INT_BARF( context, 0x2f );
}
break;
case 0x7a: /* NOVELL NetWare */
switch (AL_reg(context))
{
case 0x0: /* Low-level Netware installation check AL=0 not installed.*/
AL_reg(context) = 0;
break;
case 0x20: /* Get VLM Call Address */
/* return nothing -> NetWare not installed */
break;
default:
INT_BARF( context, 0x2f );
break;
}
break;
case 0xb7: /* append */
AL_reg(context) = 0; /* not installed */
break;
case 0xb8: /* network */
switch (AL_reg(context))
{
case 0x00: /* Install check */
/* not installed */
break;
default:
INT_BARF( context, 0x2f );
break;
}
break;
case 0xbd: /* some Novell network install check ??? */
AX_reg(context) = 0xa5a5; /* pretend to have Novell IPX installed */
break;
case 0xbf: /* REDIRIFS.EXE */
switch (AL_reg(context))
{
case 0x00: /* Install check */
/* not installed */
break;
default:
INT_BARF( context, 0x2f );
break;
}
break;
case 0xd2:
switch(AL_reg(context))
{
case 0x01: /* Quarterdeck RPCI - QEMM/QRAM - PCL-838.EXE functions */
if(BX_reg(context) == 0x5145 && CX_reg(context) == 0x4D4D
&& DX_reg(context) == 0x3432)
TRACE(int, "Check for QEMM v5.0+ (not installed)\n");
break;
default:
INT_BARF( context, 0x2f );
break;
}
break;
case 0xd7: /* Banyan Vines */
switch (AL_reg(context))
{
case 0x01: /* Install check - Get Int Number */
/* not installed */
break;
default:
INT_BARF( context, 0x2f );
break;
}
break;
case 0xde:
switch(AL_reg(context))
{
case 0x01: /* Quarterdeck QDPMI.SYS - DESQview */
if(BX_reg(context) == 0x4450 && CX_reg(context) == 0x4d49
&& DX_reg(context) == 0x8f4f)
TRACE(int, "Check for QDPMI.SYS (not installed)\n");
break;
default:
INT_BARF( context, 0x2f );
break;
}
break;
case 0xfa: /* Watcom debugger check, returns 0x666 if installed */
break;
default:
INT_BARF( context, 0x2f );
break;
}
}
/**********************************************************************
* do_int2f_16
*/
static void do_int2f_16( CONTEXT *context )
{
DWORD addr;
switch(AL_reg(context))
{
case 0x00: /* Windows enhanced mode installation check */
AX_reg(context) = (GetWinFlags16() & WF_ENHANCED) ?
LOWORD(GetVersion16()) : 0;
break;
case 0x0a: /* Get Windows version and type */
AX_reg(context) = 0;
BX_reg(context) = (LOWORD(GetVersion16()) << 8) |
(LOWORD(GetVersion16()) >> 8);
CX_reg(context) = (GetWinFlags16() & WF_ENHANCED) ? 3 : 2;
break;
case 0x0b: /* Identify Windows-aware TSRs */
/* we don't have any pre-Windows TSRs */
break;
case 0x11: /* Get Shell Parameters - (SHELL= in CONFIG.SYS) */
/* We can mock this up. But not today... */
FIXME(int, "Get Shell Parameters\n");
break;
case 0x80: /* Release time-slice */
AL_reg(context) = 0;
break;
case 0x81: /* Begin critical section. */
/* FIXME? */
break;
case 0x82: /* End critical section. */
/* FIXME? */
break;
case 0x83: /* Return Current Virtual Machine ID */
/* Virtual Machines are usually created/destroyed when Windows runs
* DOS programs. Since we never do, we are always in the System VM.
* According to Ralf Brown's Interrupt List, never return 0. But it
* seems to work okay (returning 0), just to be sure we return 1.
*/
BX_reg(context) = 1; /* VM 1 is probably the System VM */
break;
case 0x84: /* Get device API entry point */
addr = (DWORD)NE_GetEntryPoint( GetModuleHandle16("WPROCS"),
VXD_BASE + BX_reg(context) );
if (!addr) /* not supported */
{
ERR(int, "Accessing unknown VxD %04x - Expect a failure now.\n",
BX_reg(context) );
}
ES_reg(context) = SELECTOROF(addr);
DI_reg(context) = OFFSETOF(addr);
break;
case 0x86: /* DPMI detect mode */
AX_reg(context) = 0; /* Running under DPMI */
break;
case 0x87: /* DPMI installation check */
#if 1 /* DPMI still breaks pkunzip */
if (ISV86(context)) break; /* so bail out for now if in v86 mode */
#endif
{
TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
NE_MODULE *pModule = pTask ? NE_GetPtr( pTask->hModule ) : NULL;
SYSTEM_INFO si;
GlobalUnlock16( GetCurrentTask() );
GetSystemInfo(&si);
AX_reg(context) = 0x0000; /* DPMI Installed */
BX_reg(context) = 0x0001; /* 32bits available */
CL_reg(context) = si.wProcessorLevel;
DX_reg(context) = 0x005a; /* DPMI major/minor 0.90 */
SI_reg(context) = 0; /* # of para. of DOS extended private data */
#ifdef MZ_SUPPORTED /* ES:DI is DPMI switch entry point */
if (pModule && pModule->lpDosTask)
ES_reg(context) = pModule->lpDosTask->dpmi_seg;
else
#endif
ES_reg(context) = 0;
DI_reg(context) = 0;
break;
}
case 0x8a: /* DPMI get vendor-specific API entry point. */
/* The 1.0 specs say this should work with all 0.9 hosts. */
break;
default:
INT_BARF( context, 0x2f );
}
}
/* FIXME: this macro may have to be changed on architectures where <size> reads/writes
* must be <size> aligned
* <size> could be WORD, DWORD...
* in this case, we would need two macros, one for read, the other one for write
* Note: PTR_AT can be used as an l-value
*/
#define PTR_AT(_ptr, _ofs, _typ) (*((_typ*)(((char*)_ptr)+(_ofs))))
/* Use #if 1 if you want full int 2f debug... normal users can leave it at 0 */
#if 0
/**********************************************************************
* MSCDEX_Dump [internal]
*
* Dumps mscdex requests to int debug channel.
*/
static void MSCDEX_Dump(char* pfx, BYTE* req, int dorealmode)
{
int i;
BYTE buf[2048];
BYTE* ptr;
BYTE* ios;
ptr = buf;
ptr += sprintf(ptr, "%s\tCommand => ", pfx);
for (i = 0; i < req[0]; i++) {
ptr += sprintf(ptr, "%02x ", req[i]);
}
switch (req[2]) {
case 3:
case 12:
ptr += sprintf(ptr, "\n\t\t\t\tIO_struct => ");
ios = (dorealmode) ?
DOSMEM_MapRealToLinear(MAKELONG(PTR_AT(req, 14, WORD), PTR_AT(req, 16, WORD))) :
PTR_SEG_OFF_TO_LIN(PTR_AT(req, 16, WORD), PTR_AT(req, 14, WORD));
for (i = 0; i < PTR_AT(req, 18, WORD); i++) {
ptr += sprintf(ptr, "%02x ", ios[i]);
if ((i & 0x1F) == 0x1F) {
*ptr++ = '\n';
*ptr = 0;
}
}
break;
}
TRACE(int, "%s\n", buf);
}
#else
#define MSCDEX_Dump(pfx, req, drm)
#endif
static void MSCDEX_StoreMSF(DWORD frame, BYTE* val)
{
val[3] = 0; /* zero */
val[2] = frame / CDFRAMES_PERMIN; /* minutes */
val[1] = (frame - CDFRAMES_PERMIN * val[2]) / CDFRAMES_PERSEC; /* seconds */
val[0] = frame - CDFRAMES_PERMIN * val[2] - CDFRAMES_PERSEC * val[1]; /* frames */
}
static void MSCDEX_Handler(CONTEXT* context)
{
int drive, count;
char* p;
switch(AL_reg(context)) {
case 0x00: /* Installation check */
/* Count the number of contiguous CDROM drives
*/
for (drive = count = 0; drive < MAX_DOS_DRIVES; drive++) {
if (DRIVE_GetType(drive) == TYPE_CDROM) {
while (DRIVE_GetType(drive + count) == TYPE_CDROM) count++;
break;
}
}
TRACE(int, "Installation check: %d cdroms, starting at %d\n", count, drive);
BX_reg(context) = count;
CX_reg(context) = (drive < MAX_DOS_DRIVES) ? drive : 0;
break;
case 0x0B: /* drive check */
AX_reg(context) = (DRIVE_GetType(CX_reg(context)) == TYPE_CDROM);
BX_reg(context) = 0xADAD;
break;
case 0x0C: /* get version */
BX_reg(context) = 0x020a;
TRACE(int, "Version number => %04x\n", BX_reg(context));
break;
case 0x0D: /* get drive letters */
p = CTX_SEG_OFF_TO_LIN(context, ES_reg(context), EBX_reg(context));
memset(p, 0, MAX_DOS_DRIVES);
for (drive = 0; drive < MAX_DOS_DRIVES; drive++) {
if (DRIVE_GetType(drive) == TYPE_CDROM) *p++ = drive;
}
TRACE(int, "Get drive letters\n");
break;
case 0x10: /* direct driver acces */
{
static WINE_CDAUDIO wcda;
BYTE* driver_request;
BYTE* io_stru;
BYTE Error = 255; /* No Error */
int dorealmode = ISV86(context);
driver_request = (dorealmode) ?
DOSMEM_MapRealToLinear(MAKELONG(BX_reg(context), ES_reg(context))) :
PTR_SEG_OFF_TO_LIN(ES_reg(context), BX_reg(context));
if (!driver_request) {
/* FIXME - to be deleted ?? */
ERR(int, "ES:BX==0 ! SEGFAULT ?\n");
ERR(int, "-->BX=0x%04x, ES=0x%04lx, DS=0x%04lx, CX=0x%04x\n",
BX_reg(context), ES_reg(context), DS_reg(context), CX_reg(context));
driver_request[4] |= 0x80;
driver_request[3] = 5; /* bad request length */
return;
}
/* FIXME - would be better to open the device at the begining of the wine session...
* - the device is also never closed...
* - the current implementation only supports a single CD ROM
*/
if (wcda.unixdev <= 0)
CDAUDIO_Open(&wcda);
TRACE(int, "CDROM device driver -> command <%d>\n", (unsigned char)driver_request[2]);
for (drive = 0;
drive < MAX_DOS_DRIVES && DRIVE_GetType(drive) != TYPE_CDROM;
drive++);
/* drive contains the first CD ROM */
if (CX_reg(context) != drive) {
WARN(int, "Request made doesn't match a CD ROM drive (%d/%d)\n", CX_reg(context), drive);
driver_request[4] |= 0x80;
driver_request[3] = 1; /* unknown unit */
return;
}
MSCDEX_Dump("Beg", driver_request, dorealmode);
/* set status to 0 */
PTR_AT(driver_request, 3, WORD) = 0;
CDAUDIO_GetCDStatus(&wcda);
switch (driver_request[2]) {
case 3:
io_stru = (dorealmode) ?
DOSMEM_MapRealToLinear(MAKELONG(PTR_AT(driver_request, 14, WORD), PTR_AT(driver_request, 16, WORD))) :
PTR_SEG_OFF_TO_LIN(PTR_AT(driver_request, 16, WORD), PTR_AT(driver_request, 14, WORD));
TRACE(int, " --> IOCTL INPUT <%d>\n", io_stru[0]);
switch (io_stru[0]) {
#if 0
case 0: /* Get device Header */
{
static LPSTR ptr = 0;
if (ptr == 0) {
ptr = SEGPTR_ALLOC(22);
PTR_AT(ptr, 0, DWORD) = ~1; /* Next Device Driver */
PTR_AT(ptr, 4, WORD) = 0xC800; /* Device attributes */
PTR_AT(ptr, 6, WORD) = 0x1234; /* Pointer to device strategy routine: FIXME */
PTR_AT(ptr, 8, WORD) = 0x3142; /* Pointer to device interrupt routine: FIXME */
PTR_AT(ptr, 10, char) = 'W'; /* 8-byte character device name field */
PTR_AT(ptr, 11, char) = 'I';
PTR_AT(ptr, 12, char) = 'N';
PTR_AT(ptr, 13, char) = 'E';
PTR_AT(ptr, 14, char) = '_';
PTR_AT(ptr, 15, char) = 'C';
PTR_AT(ptr, 16, char) = 'D';
PTR_AT(ptr, 17, char) = '_';
PTR_AT(ptr, 18, WORD) = 0; /* Reserved (must be zero) */
PTR_AT(ptr, 20, BYTE) = 0; /* Drive letter (must be zero) */
PTR_AT(ptr, 21, BYTE) = 1; /* Number of units supported (one or more) FIXME*/
}
PTR_AT(io_stru, DWORD, 0) = SEGPTR_GET(ptr);
}
break;
#endif
case 1: /* location of head */
switch (io_stru[1]) {
case 0:
PTR_AT(io_stru, 2, DWORD) = wcda.dwCurFrame;
break;
case 1:
MSCDEX_StoreMSF(wcda.dwCurFrame, io_stru + 2);
break;
default:
ERR(int, "CDRom-Driver: Unsupported addressing mode !!\n");
Error = 0x0c;
}
TRACE(int, " ----> HEAD LOCATION <%ld>\n", PTR_AT(io_stru, 2, DWORD));
break;
case 4: /* Audio channel info */
io_stru[1] = 0;
io_stru[2] = 0xff;
io_stru[3] = 1;
io_stru[4] = 0xff;
io_stru[5] = 2;
io_stru[6] = 0;
io_stru[7] = 3;
io_stru[8] = 0;
TRACE(int, " ----> AUDIO CHANNEL INFO\n");
break;
case 6: /* device status */
PTR_AT(io_stru, 1, DWORD) = 0x00000290;
/* 290 =>
* 1 Supports HSG and Red Book addressing modes
* 0 Supports audio channel manipulation
*
* 1 Supports prefetching requests
* 0 Reserved
* 0 No interleaving
* 1 Data read and plays audio/video tracks
*
* 0 Read only
* 0 Supports only cooked reading
* 0 Door locked
* 0 see below (Door closed/opened)
*/
if (wcda.cdaMode == WINE_CDA_OPEN)
io_stru[1] |= 1;
TRACE(int, " ----> DEVICE STATUS <0x%08lx>\n", PTR_AT(io_stru, 1, DWORD));
break;
case 8: /* Volume size */
PTR_AT(io_stru, 1, DWORD) = wcda.dwTotalLen;
TRACE(int, " ----> VOLUME SIZE <%ld>\n", PTR_AT(io_stru, 1, DWORD));
break;
case 9: /* media changed ? */
/* answers don't know... -1/1 for yes/no would be better */
io_stru[1] = 0; /* FIXME? 1? */
TRACE(int, " ----> MEDIA CHANGED <%d>\n", io_stru[1]);
break;
case 10: /* audio disk info */
io_stru[1] = wcda.nFirstTrack; /* starting track of the disc */
io_stru[2] = wcda.nLastTrack; /* ending track */
MSCDEX_StoreMSF(wcda.dwTotalLen, io_stru + 3);
TRACE(int, " ----> AUDIO DISK INFO <%d-%d/%08lx>\n",
io_stru[1], io_stru[2], PTR_AT(io_stru, 3, DWORD));
break;
case 11: /* audio track info */
if (io_stru[1] >= wcda.nFirstTrack && io_stru[1] <= wcda.nLastTrack) {
int nt = io_stru[1] - wcda.nFirstTrack;
MSCDEX_StoreMSF(wcda.lpdwTrackPos[nt], io_stru + 2);
/* starting point if the track */
io_stru[6] = (wcda.lpbTrackFlags[nt] & 0xF0) >> 4;
} else {
PTR_AT(io_stru, 2, DWORD) = 0;
io_stru[6] = 0;
}
TRACE(int, " ----> AUDIO TRACK INFO[%d] = [%08lx:%d]\n",
io_stru[1], PTR_AT(io_stru, 2, DWORD), io_stru[6]);
break;
case 12: /* get Q-Channel info */
io_stru[1] = wcda.lpbTrackFlags[wcda.nCurTrack - 1];
io_stru[2] = wcda.nCurTrack;
io_stru[3] = 0; /* FIXME ?? */
/* why the heck did MS use another format for 0MSF information... sigh */
{
BYTE bTmp[4];
MSCDEX_StoreMSF(wcda.dwCurFrame - wcda.lpdwTrackPos[wcda.nCurTrack - 1], bTmp);
io_stru[ 4] = bTmp[2];
io_stru[ 5] = bTmp[1];
io_stru[ 6] = bTmp[0];
io_stru[ 7] = 0;
MSCDEX_StoreMSF(wcda.dwCurFrame, bTmp);
io_stru[ 8] = bTmp[2];
io_stru[ 9] = bTmp[1];
io_stru[10] = bTmp[0];
io_stru[11] = 0;
}
TRACE(int, "Q-Channel info: Ctrl/adr=%02x TNO=%02x X=%02x rtt=%02x:%02x:%02x rtd=%02x:%02x:%02x (cf=%08lx, tp=%08lx)\n",
io_stru[ 1], io_stru[ 2], io_stru[ 3],
io_stru[ 4], io_stru[ 5], io_stru[ 6],
io_stru[ 8], io_stru[ 9], io_stru[10],
wcda.dwCurFrame, wcda.lpdwTrackPos[wcda.nCurTrack - 1]);
break;
case 15: /* Audio status info */
/* !!!! FIXME FIXME FIXME !! */
PTR_AT(io_stru, 1, WORD) = 2 | ((wcda.cdaMode == WINE_CDA_PAUSE) ? 1 : 0);
PTR_AT(io_stru, 3, DWORD) = wcda.lpdwTrackPos[0];
PTR_AT(io_stru, 7, DWORD) = wcda.lpdwTrackPos[wcda.nTracks - 1];
TRACE(int, "Audio status info: status=%04x startLoc=%ld endLoc=%ld\n",
PTR_AT(io_stru, 1, WORD), PTR_AT(io_stru, 3, DWORD), PTR_AT(io_stru, 7, DWORD));
break;
default:
FIXME(int, "IOCTL INPUT: Unimplemented <%d>!!\n", io_stru[0]);
Error = 0x0c;
break;
}
break;
case 12:
io_stru = (dorealmode) ?
DOSMEM_MapRealToLinear(MAKELONG(PTR_AT(driver_request, 14, WORD), PTR_AT(driver_request, 16, WORD))) :
PTR_SEG_OFF_TO_LIN(PTR_AT(driver_request, 16, WORD), PTR_AT(driver_request, 14, WORD));
TRACE(int, " --> IOCTL OUTPUT <%d>\n", io_stru[0]);
switch (io_stru[0]) {
case 0: /* eject */
CDAUDIO_SetDoor(&wcda, 1);
TRACE(int, " ----> EJECT\n");
break;
case 2: /* reset drive */
CDAUDIO_Reset(&wcda);
TRACE(int, " ----> RESET\n");
break;
case 3: /* Audio Channel Control */
FIXME(int, " ----> AUDIO CHANNEL CONTROL (NIY)\n");
break;
case 5: /* close tray */
CDAUDIO_SetDoor(&wcda, 0);
TRACE(int, " ----> CLOSE TRAY\n");
break;
default:
FIXME(int, " IOCTL OUPUT: Unimplemented <%d>!!\n", io_stru[0]);
Error = 0x0c;
break;
}
break;
case 131: /* seek */
{
DWORD at;
at = PTR_AT(driver_request, 20, DWORD);
TRACE(int, " --> SEEK AUDIO mode :<0x%02X>, [%ld]\n",
(BYTE)driver_request[13], at);
switch (driver_request[13]) {
case 1: /* Red book addressing mode = 0:m:s:f */
/* FIXME : frame <=> msf conversion routines could be shared
* between mscdex and mcicda
*/
at = LOBYTE(HIWORD(at)) * CDFRAMES_PERMIN +
HIBYTE(LOWORD(at)) * CDFRAMES_PERSEC +
LOBYTE(LOWORD(at));
/* fall thru */
case 0: /* HSG addressing mode */
CDAUDIO_Seek(&wcda, at);
break;
default:
ERR(int, "Unsupported address mode !!\n");
Error = 0x0c;
break;
}
}
break;
case 132: /* play */
{
DWORD beg, end;
beg = end = PTR_AT(driver_request, 14, DWORD);
end += PTR_AT(driver_request, 18, DWORD);
TRACE(int, " --> PLAY AUDIO mode :<0x%02X>, [%ld-%ld]\n",
(BYTE)driver_request[13], beg, end);
switch (driver_request[13]) {
case 1: /* Red book addressing mode = 0:m:s:f */
/* FIXME : frame <=> msf conversion routines could be shared
* between mscdex and mcicda
*/
beg = LOBYTE(HIWORD(beg)) * CDFRAMES_PERMIN +
HIBYTE(LOWORD(beg)) * CDFRAMES_PERSEC +
LOBYTE(LOWORD(beg));
end = LOBYTE(HIWORD(end)) * CDFRAMES_PERMIN +
HIBYTE(LOWORD(end)) * CDFRAMES_PERSEC +
LOBYTE(LOWORD(end));
/* fall thru */
case 0: /* HSG addressing mode */
CDAUDIO_Play(&wcda, beg, end);
break;
default:
ERR(int, "Unsupported address mode !!\n");
Error = 0x0c;
break;
}
}
break;
case 133:
if (wcda.cdaMode == WINE_CDA_PLAY) {
CDAUDIO_Pause(&wcda, 1);
TRACE(int, " --> STOP AUDIO (Paused)\n");
} else {
CDAUDIO_Stop(&wcda);
TRACE(int, " --> STOP AUDIO (Stopped)\n");
}
break;
case 136:
TRACE(int, " --> RESUME AUDIO\n");
CDAUDIO_Pause(&wcda, 0);
break;
default:
FIXME(int, " ioctl uninplemented <%d>\n", driver_request[2]);
Error = 0x0c;
}
/* setting error codes if any */
if (Error < 255) {
driver_request[4] |= 0x80;
driver_request[3] = Error;
}
/* setting status bits
* 3 == playing && done
* 1 == done
*/
driver_request[4] |= (wcda.cdaMode == WINE_CDA_PLAY) ? 3 : 1;
MSCDEX_Dump("End", driver_request, dorealmode);
}
break;
default:
FIXME(int, "Unimplemented MSCDEX function 0x%02X.\n", AL_reg(context));
break;
}
}
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