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wine/dlls/winedos/dosexe.h
Jonathan Ernst 360a3f9142 Update the address of the Free Software Foundation.
2006-05-23 14:11:13 +02:00

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/*
* DOS EXE loader
*
* Copyright 1998 Ove Kåven
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef __WINE_DOSEXE_H
#define __WINE_DOSEXE_H
#include <stdarg.h>
#include "windef.h"
#include "wine/library.h"
#include "wine/windef16.h"
#include "winbase.h"
#include "winnt.h" /* for PCONTEXT */
#include "wincon.h" /* for MOUSE_EVENT_RECORD */
#define MAX_DOS_DRIVES 26
struct _DOSEVENT;
/* amount of space reserved for relay stack */
#define DOSVM_RELAY_DATA_SIZE 4096
/* various real-mode code stubs */
struct DPMI_segments
{
WORD wrap_seg;
WORD xms_seg;
WORD dpmi_seg;
WORD dpmi_sel;
WORD int48_sel;
WORD int16_sel;
WORD relay_code_sel;
WORD relay_data_sel;
};
/* 48-bit segmented pointers for DOS DPMI32 */
typedef struct {
WORD selector;
DWORD offset;
} SEGPTR48, FARPROC48;
#define DOSCONF_MEM_HIGH 0x0001
#define DOSCONF_MEM_UMB 0x0002
#define DOSCONF_NUMLOCK 0x0004
#define DOSCONF_KEYB_CONV 0x0008
typedef struct {
char lastdrive;
int brk_flag;
int files;
int stacks_nr;
int stacks_sz;
int buf;
int buf2;
int fcbs;
int flags;
char *shell;
char *country;
} DOSCONF;
typedef void (*DOSRELAY)(CONTEXT86*,void*);
typedef void (WINAPI *RMCBPROC)(CONTEXT86*);
typedef void (WINAPI *INTPROC)(CONTEXT86*);
#define DOS_PRIORITY_REALTIME 0 /* IRQ0 */
#define DOS_PRIORITY_KEYBOARD 1 /* IRQ1 */
#define DOS_PRIORITY_VGA 2 /* IRQ9 */
#define DOS_PRIORITY_MOUSE 5 /* IRQ12 */
#define DOS_PRIORITY_SERIAL 10 /* IRQ4 */
extern WORD DOSVM_psp; /* psp of current DOS task */
extern WORD DOSVM_retval; /* return value of previous DOS task */
extern struct DPMI_segments *DOSVM_dpmi_segments;
#if defined(linux) && defined(__i386__) && defined(HAVE_SYS_VM86_H)
# define MZ_SUPPORTED
#endif /* linux-i386 */
/*
* Declare some CONTEXT86.EFlags bits.
* IF_MASK is only pushed into real mode stack.
*/
#define V86_FLAG 0x00020000
#define TF_MASK 0x00000100
#define IF_MASK 0x00000200
#define VIF_MASK 0x00080000
#define VIP_MASK 0x00100000
#define ADD_LOWORD(dw,val) ((dw) = ((dw) & 0xffff0000) | LOWORD((DWORD)(dw)+(val)))
#define PTR_REAL_TO_LIN(seg,off) ((void*)(((unsigned int)(seg) << 4) + LOWORD(off)))
/* NOTE: Interrupts might get called from four modes: real mode, 16-bit,
* 32-bit segmented (DPMI32) and 32-bit linear (via DeviceIoControl).
* For automatic conversion of pointer
* parameters, interrupt handlers should use CTX_SEG_OFF_TO_LIN with
* the contents of a segment register as second and the contents of
* a *32-bit* general register as third parameter, e.g.
* CTX_SEG_OFF_TO_LIN( context, DS_reg(context), EDX_reg(context) )
* This will generate a linear pointer in all three cases:
* Real-Mode: Seg*16 + LOWORD(Offset)
* 16-bit: convert (Seg, LOWORD(Offset)) to linear
* 32-bit segmented: convert (Seg, Offset) to linear
* 32-bit linear: use Offset as linear address (DeviceIoControl!)
*
* Real-mode is recognized by checking the V86 bit in the flags register,
* 32-bit linear mode is recognized by checking whether 'seg' is
* a system selector (0 counts also as 32-bit segment) and 32-bit
* segmented mode is recognized by checking whether 'seg' is 32-bit
* selector which is neither system selector nor zero.
*/
#define CTX_SEG_OFF_TO_LIN(context,seg,off) \
(ISV86(context) ? PTR_REAL_TO_LIN((seg),(off)) : wine_ldt_get_ptr((seg),(off)))
#define INT_BARF(context,num) \
ERR( "int%x: unknown/not implemented parameters:\n" \
"int%x: AX %04x, BX %04x, CX %04x, DX %04x, " \
"SI %04x, DI %04x, DS %04x, ES %04x\n", \
(num), (num), LOWORD((context)->Eax), LOWORD((context)->Ebx), \
LOWORD((context)->Ecx), LOWORD((context)->Edx), LOWORD((context)->Esi), \
LOWORD((context)->Edi), (WORD)(context)->SegDs, (WORD)(context)->SegEs )
/* pushing on stack in 16 bit needs segment wrap around */
#define PUSH_WORD16(context,val) \
*((WORD*)CTX_SEG_OFF_TO_LIN((context), \
(context)->SegSs, ADD_LOWORD( context->Esp, -2 ) )) = (val)
/* Macros for easier access to i386 context registers */
#define AX_reg(context) ((WORD)(context)->Eax)
#define BX_reg(context) ((WORD)(context)->Ebx)
#define CX_reg(context) ((WORD)(context)->Ecx)
#define DX_reg(context) ((WORD)(context)->Edx)
#define SI_reg(context) ((WORD)(context)->Esi)
#define DI_reg(context) ((WORD)(context)->Edi)
#define AL_reg(context) ((BYTE)(context)->Eax)
#define AH_reg(context) ((BYTE)((context)->Eax >> 8))
#define BL_reg(context) ((BYTE)(context)->Ebx)
#define BH_reg(context) ((BYTE)((context)->Ebx >> 8))
#define CL_reg(context) ((BYTE)(context)->Ecx)
#define CH_reg(context) ((BYTE)((context)->Ecx >> 8))
#define DL_reg(context) ((BYTE)(context)->Edx)
#define DH_reg(context) ((BYTE)((context)->Edx >> 8))
#define SET_CFLAG(context) ((context)->EFlags |= 0x0001)
#define RESET_CFLAG(context) ((context)->EFlags &= ~0x0001)
#define SET_ZFLAG(context) ((context)->EFlags |= 0x0040)
#define RESET_ZFLAG(context) ((context)->EFlags &= ~0x0040)
#define ISV86(context) ((context)->EFlags & 0x00020000)
#define SET_AX(context,val) ((void)((context)->Eax = ((context)->Eax & ~0xffff) | (WORD)(val)))
#define SET_BX(context,val) ((void)((context)->Ebx = ((context)->Ebx & ~0xffff) | (WORD)(val)))
#define SET_CX(context,val) ((void)((context)->Ecx = ((context)->Ecx & ~0xffff) | (WORD)(val)))
#define SET_DX(context,val) ((void)((context)->Edx = ((context)->Edx & ~0xffff) | (WORD)(val)))
#define SET_SI(context,val) ((void)((context)->Esi = ((context)->Esi & ~0xffff) | (WORD)(val)))
#define SET_DI(context,val) ((void)((context)->Edi = ((context)->Edi & ~0xffff) | (WORD)(val)))
#define SET_AL(context,val) ((void)((context)->Eax = ((context)->Eax & ~0xff) | (BYTE)(val)))
#define SET_BL(context,val) ((void)((context)->Ebx = ((context)->Ebx & ~0xff) | (BYTE)(val)))
#define SET_CL(context,val) ((void)((context)->Ecx = ((context)->Ecx & ~0xff) | (BYTE)(val)))
#define SET_DL(context,val) ((void)((context)->Edx = ((context)->Edx & ~0xff) | (BYTE)(val)))
#define SET_AH(context,val) ((void)((context)->Eax = ((context)->Eax & ~0xff00) | (((BYTE)(val)) << 8)))
#define SET_BH(context,val) ((void)((context)->Ebx = ((context)->Ebx & ~0xff00) | (((BYTE)(val)) << 8)))
#define SET_CH(context,val) ((void)((context)->Ecx = ((context)->Ecx & ~0xff00) | (((BYTE)(val)) << 8)))
#define SET_DH(context,val) ((void)((context)->Edx = ((context)->Edx & ~0xff00) | (((BYTE)(val)) << 8)))
#include <pshpack1.h>
typedef struct
{
WORD Com1Addr; /* 00: COM1 I/O address */
WORD Com2Addr; /* 02: COM2 I/O address */
WORD Com3Addr; /* 04: COM3 I/O address */
WORD Com4Addr; /* 06: COM4 I/O address */
WORD Lpt1Addr; /* 08: LPT1 I/O address */
WORD Lpt2Addr; /* 0a: LPT2 I/O address */
WORD Lpt3Addr; /* 0c: LPT3 I/O address */
WORD Lpt4Addr; /* 0e: LPT4 I/O address */
WORD InstalledHardware; /* 10: Installed hardware flags */
BYTE POSTstatus; /* 12: Power-On Self Test status */
WORD MemSize; /* 13: Base memory size in Kb */
WORD unused1; /* 15: Manufacturing test scratch pad */
BYTE KbdFlags1; /* 17: Keyboard flags 1 */
BYTE KbdFlags2; /* 18: Keyboard flags 2 */
BYTE unused2; /* 19: Keyboard driver workspace */
WORD NextKbdCharPtr; /* 1a: Next character in kbd buffer */
WORD FirstKbdCharPtr; /* 1c: First character in kbd buffer */
WORD KbdBuffer[16]; /* 1e: Keyboard buffer */
BYTE DisketteStatus1; /* 3e: Diskette recalibrate status */
BYTE DisketteStatus2; /* 3f: Diskette motor status */
BYTE DisketteStatus3; /* 40: Diskette motor timeout */
BYTE DisketteStatus4; /* 41: Diskette last operation status */
BYTE DiskStatus[7]; /* 42: Disk status/command bytes */
BYTE VideoMode; /* 49: Video mode */
WORD VideoColumns; /* 4a: Number of columns */
WORD VideoPageSize; /* 4c: Video page size in bytes */
WORD VideoPageStartAddr; /* 4e: Video page start address */
BYTE VideoCursorPos[16]; /* 50: Cursor position for 8 pages, column/row order */
WORD VideoCursorType; /* 60: Video cursor type */
BYTE VideoCurPage; /* 62: Video current page */
WORD VideoCtrlAddr; /* 63: Video controller address */
BYTE VideoReg1; /* 65: Video mode select register */
BYTE VideoReg2; /* 66: Video CGA palette register */
DWORD ResetEntry; /* 67: Warm reset entry point */
BYTE LastIRQ; /* 6b: Last unexpected interrupt */
DWORD Ticks; /* 6c: Ticks since midnight */
BYTE TicksOverflow; /* 70: Timer overflow if past midnight */
BYTE CtrlBreakFlag; /* 71: Ctrl-Break flag */
WORD ResetFlag; /* 72: POST Reset flag */
BYTE DiskOpStatus; /* 74: Last hard-disk operation status */
BYTE NbHardDisks; /* 75: Number of hard disks */
BYTE DiskCtrlByte; /* 76: Disk control byte */
BYTE DiskIOPort; /* 77: Disk I/O port offset */
BYTE LptTimeout[4]; /* 78: Timeouts for parallel ports */
BYTE ComTimeout[4]; /* 7c: Timeouts for serial ports */
WORD KbdBufferStart; /* 80: Keyboard buffer start */
WORD KbdBufferEnd; /* 82: Keyboard buffer end */
BYTE RowsOnScreenMinus1; /* 84: EGA only */
WORD BytesPerChar; /* 85: EGA only */
BYTE ModeOptions; /* 87: EGA only */
BYTE FeatureBitsSwitches; /* 88: EGA only */
BYTE VGASettings; /* 89: VGA misc settings */
BYTE DisplayCombination; /* 8A: VGA display combinations */
BYTE DiskDataRate; /* 8B: Last disk data rate selected */
} BIOSDATA;
#include <poppack.h>
/* Device driver header */
#define NONEXT ((DWORD)-1)
#define ATTR_STDIN 0x0001
#define ATTR_STDOUT 0x0002
#define ATTR_NUL 0x0004
#define ATTR_CLOCK 0x0008
#define ATTR_FASTCON 0x0010
#define ATTR_RAW 0x0020
#define ATTR_NOTEOF 0x0040
#define ATTR_DEVICE 0x0080
#define ATTR_REMOVABLE 0x0800
#define ATTR_NONIBM 0x2000 /* block devices */
#define ATTR_UNTILBUSY 0x2000 /* char devices */
#define ATTR_IOCTL 0x4000
#define ATTR_CHAR 0x8000
#include <pshpack1.h>
typedef struct
{
DWORD next_dev;
WORD attr;
WORD strategy;
WORD interrupt;
char name[8];
} DOS_DEVICE_HEADER;
#include <poppack.h>
/* DOS Device requests */
#define CMD_INIT 0
#define CMD_MEDIACHECK 1 /* block devices */
#define CMD_BUILDBPB 2 /* block devices */
#define CMD_INIOCTL 3
#define CMD_INPUT 4 /* read data */
#define CMD_SAFEINPUT 5 /* "non-destructive input no wait", char devices */
#define CMD_INSTATUS 6 /* char devices */
#define CMD_INFLUSH 7 /* char devices */
#define CMD_OUTPUT 8 /* write data */
#define CMD_SAFEOUTPUT 9 /* write data with verify */
#define CMD_OUTSTATUS 10 /* char devices */
#define CMD_OUTFLUSH 11 /* char devices */
#define CMD_OUTIOCTL 12
#define CMD_DEVOPEN 13
#define CMD_DEVCLOSE 14
#define CMD_REMOVABLE 15 /* block devices */
#define CMD_UNTILBUSY 16 /* output until busy */
#define STAT_MASK 0x00FF
#define STAT_DONE 0x0100
#define STAT_BUSY 0x0200
#define STAT_ERROR 0x8000
#include <pshpack1.h>
typedef struct {
BYTE size; /* length of header + data */
BYTE unit; /* unit (block devices only) */
BYTE command;
WORD status;
BYTE reserved[8];
} REQUEST_HEADER;
typedef struct {
REQUEST_HEADER hdr;
BYTE media; /* media descriptor from BPB */
SEGPTR buffer;
WORD count; /* byte/sector count */
WORD sector; /* starting sector (block devices) */
DWORD volume; /* volume ID (block devices) */
} REQ_IO;
typedef struct {
REQUEST_HEADER hdr;
BYTE data;
} REQ_SAFEINPUT;
/* WINE device driver thunk from RM */
typedef struct {
BYTE ljmp1;
FARPROC16 strategy;
BYTE ljmp2;
FARPROC16 interrupt;
} WINEDEV_THUNK;
#include <poppack.h>
/* Device driver info (used for initialization) */
typedef struct
{
char name[8];
WORD attr;
RMCBPROC strategy;
RMCBPROC interrupt;
} WINEDEV;
/* module.c */
extern void WINAPI MZ_LoadImage( LPCSTR filename, HANDLE hFile );
extern BOOL WINAPI MZ_Exec( CONTEXT86 *context, LPCSTR filename, BYTE func, LPVOID paramblk );
extern void WINAPI MZ_Exit( CONTEXT86 *context, BOOL cs_psp, WORD retval );
extern BOOL WINAPI MZ_Current( void );
extern void WINAPI MZ_AllocDPMITask( void );
extern void WINAPI MZ_RunInThread( PAPCFUNC proc, ULONG_PTR arg );
extern BOOL DOSVM_IsWin16(void);
/* dosvm.c */
extern void DOSVM_SendQueuedEvents( CONTEXT86 * );
extern void WINAPI DOSVM_AcknowledgeIRQ( CONTEXT86 * );
extern INT WINAPI DOSVM_Enter( CONTEXT86 *context );
extern void WINAPI DOSVM_Wait( CONTEXT86 * );
extern DWORD WINAPI DOSVM_Loop( HANDLE hThread );
extern void WINAPI DOSVM_QueueEvent( INT irq, INT priority, DOSRELAY relay, LPVOID data );
extern void WINAPI DOSVM_PIC_ioport_out( WORD port, BYTE val );
extern void WINAPI DOSVM_SetTimer( UINT ticks );
extern UINT WINAPI DOSVM_GetTimer( void );
/* devices.c */
extern void DOSDEV_InstallDOSDevices(void);
extern void DOSDEV_SetupDevice(const WINEDEV * devinfo,
WORD seg, WORD off_dev, WORD off_thunk);
extern DWORD DOSDEV_Console(void);
extern DWORD DOSDEV_FindCharDevice(char*name);
extern int DOSDEV_Peek(DWORD dev, BYTE*data);
extern int DOSDEV_Read(DWORD dev, DWORD buf, int buflen);
extern int DOSDEV_Write(DWORD dev, DWORD buf, int buflen, int verify);
extern int DOSDEV_IoctlRead(DWORD dev, DWORD buf, int buflen);
extern int DOSDEV_IoctlWrite(DWORD dev, DWORD buf, int buflen);
extern void DOSDEV_SetSharingRetry(WORD delay, WORD count);
extern SEGPTR DOSDEV_GetLOL(BOOL v86);
/* dma.c */
extern int DMA_Transfer(int channel,int reqlength,void* buffer);
extern void DMA_ioport_out( WORD port, BYTE val );
extern BYTE DMA_ioport_in( WORD port );
/* dosaspi.c */
extern void WINAPI DOSVM_ASPIHandler(CONTEXT86*);
/* dosconf.c */
extern DOSCONF *DOSCONF_GetConfig( void );
/* dosmem.c */
extern BOOL DOSMEM_InitDosMemory(void);
extern BOOL DOSMEM_MapDosLayout(void);
extern WORD DOSMEM_AllocSelector(WORD); /* FIXME: to be removed */
extern LPVOID DOSMEM_AllocBlock(UINT size, WORD* p);
extern BOOL DOSMEM_FreeBlock(void* ptr);
extern UINT DOSMEM_ResizeBlock(void* ptr, UINT size, BOOL exact);
extern UINT DOSMEM_Available(void);
extern BIOSDATA *DOSVM_BiosData( void );
/* fpu.c */
extern void WINAPI DOSVM_Int34Handler(CONTEXT86*);
extern void WINAPI DOSVM_Int35Handler(CONTEXT86*);
extern void WINAPI DOSVM_Int36Handler(CONTEXT86*);
extern void WINAPI DOSVM_Int37Handler(CONTEXT86*);
extern void WINAPI DOSVM_Int38Handler(CONTEXT86*);
extern void WINAPI DOSVM_Int39Handler(CONTEXT86*);
extern void WINAPI DOSVM_Int3aHandler(CONTEXT86*);
extern void WINAPI DOSVM_Int3bHandler(CONTEXT86*);
extern void WINAPI DOSVM_Int3cHandler(CONTEXT86*);
extern void WINAPI DOSVM_Int3dHandler(CONTEXT86*);
extern void WINAPI DOSVM_Int3eHandler(CONTEXT86*);
/* himem.c */
extern void DOSVM_InitSegments(void);
extern LPVOID DOSVM_AllocUMB(DWORD);
extern LPVOID DOSVM_AllocCodeUMB(DWORD, WORD *, WORD *);
extern LPVOID DOSVM_AllocDataUMB(DWORD, WORD *, WORD *);
/* int09.c */
extern void WINAPI DOSVM_Int09Handler(CONTEXT86*);
extern void WINAPI DOSVM_Int09SendScan(BYTE scan,BYTE ascii);
extern BYTE WINAPI DOSVM_Int09ReadScan(BYTE*ascii);
/* int10.c */
extern void WINAPI DOSVM_Int10Handler(CONTEXT86*);
extern void WINAPI DOSVM_PutChar(BYTE ascii);
/* int11.c */
extern void WINAPI DOSVM_Int11Handler(CONTEXT86*);
/* int12.c */
extern void WINAPI DOSVM_Int12Handler(CONTEXT86*);
/* int13.c */
extern void WINAPI DOSVM_Int13Handler(CONTEXT86*);
/* int15.c */
extern void WINAPI DOSVM_Int15Handler(CONTEXT86*);
/* int1a.c */
extern void WINAPI DOSVM_Int1aHandler(CONTEXT86*);
/* int16.c */
extern void WINAPI DOSVM_Int16Handler(CONTEXT86*);
extern BOOL WINAPI DOSVM_Int16ReadChar( BYTE *, BYTE *, CONTEXT86 * );
extern int WINAPI DOSVM_Int16AddChar(BYTE ascii,BYTE scan);
/* int17.c */
extern void WINAPI DOSVM_Int17Handler(CONTEXT86*);
/* int19.c */
extern void WINAPI DOSVM_Int19Handler(CONTEXT86*);
/* int20.c */
extern void WINAPI DOSVM_Int20Handler(CONTEXT86*);
/* int21.c */
extern void WINAPI DOSVM_Int21Handler(CONTEXT86*);
/* int25.c */
BOOL DOSVM_RawRead( BYTE, DWORD, DWORD, BYTE *, BOOL );
void WINAPI DOSVM_Int25Handler( CONTEXT86 * );
/* int26.c */
BOOL DOSVM_RawWrite( BYTE, DWORD, DWORD, BYTE *, BOOL );
void WINAPI DOSVM_Int26Handler( CONTEXT86 * );
/* int29.c */
extern void WINAPI DOSVM_Int29Handler(CONTEXT86*);
/* int2a.c */
extern void WINAPI DOSVM_Int2aHandler(CONTEXT86*);
/* int2f.c */
extern void WINAPI DOSVM_Int2fHandler(CONTEXT86*);
extern void MSCDEX_InstallCDROM(void);
/* int31.c */
extern void WINAPI DOSVM_Int31Handler(CONTEXT86*);
extern void WINAPI DOSVM_RawModeSwitchHandler(CONTEXT86*);
extern BOOL DOSVM_IsDos32(void);
extern FARPROC16 WINAPI DPMI_AllocInternalRMCB(RMCBPROC);
extern void WINAPI DPMI_FreeInternalRMCB(FARPROC16);
extern int DPMI_CallRMProc(CONTEXT86*,LPWORD,int,int);
extern BOOL DOSVM_CheckWrappers(CONTEXT86*);
/* int33.c */
extern void WINAPI DOSVM_Int33Handler(CONTEXT86*);
extern void WINAPI DOSVM_Int33Message(UINT,WPARAM,LPARAM);
extern void WINAPI DOSVM_Int33Console(MOUSE_EVENT_RECORD*);
/* int41.c */
extern void WINAPI DOSVM_Int41Handler(CONTEXT86*);
/* int4b.c */
extern void WINAPI DOSVM_Int4bHandler(CONTEXT86*);
/* int5c.c */
extern void WINAPI DOSVM_Int5cHandler(CONTEXT86*);
/* int67.c */
extern void WINAPI DOSVM_Int67Handler(CONTEXT86*);
extern void WINAPI EMS_Ioctl_Handler(CONTEXT86*);
/* interrupts.c */
extern void WINAPI DOSVM_CallBuiltinHandler( CONTEXT86 *, BYTE );
extern void WINAPI DOSVM_EmulateInterruptPM( CONTEXT86 *, BYTE );
extern BOOL WINAPI DOSVM_EmulateInterruptRM( CONTEXT86 *, BYTE );
extern FARPROC16 DOSVM_GetPMHandler16( BYTE );
extern FARPROC48 DOSVM_GetPMHandler48( BYTE );
extern FARPROC16 DOSVM_GetRMHandler( BYTE );
extern void DOSVM_HardwareInterruptPM( CONTEXT86 *, BYTE );
extern void DOSVM_HardwareInterruptRM( CONTEXT86 *, BYTE );
extern void DOSVM_SetPMHandler16( BYTE, FARPROC16 );
extern void DOSVM_SetPMHandler48( BYTE, FARPROC48 );
extern void DOSVM_SetRMHandler( BYTE, FARPROC16 );
/* relay.c */
void DOSVM_RelayHandler( CONTEXT86 * );
void DOSVM_BuildCallFrame( CONTEXT86 *, DOSRELAY, LPVOID );
/* soundblaster.c */
extern void SB_ioport_out( WORD port, BYTE val );
extern BYTE SB_ioport_in( WORD port );
/* ppdev.c */
extern BOOL IO_pp_outp(int port, DWORD* res);
extern int IO_pp_inp(int port, DWORD* res);
extern char IO_pp_init(void);
/* timer.c */
extern void WINAPI DOSVM_Int08Handler(CONTEXT86*);
/* xms.c */
extern void WINAPI XMS_Handler(CONTEXT86*);
#endif /* __WINE_DOSEXE_H */
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