2262 lines
70 KiB
C
2262 lines
70 KiB
C
/*
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* DOS interrupt 21h handler
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*
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* Copyright 1993, 1994 Erik Bos
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* Copyright 1996 Alexandre Julliard
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* Copyright 1997 Andreas Mohr
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* Copyright 1998 Uwe Bonnes
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* Copyright 1998, 1999 Ove Kaaven
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "windef.h"
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#include "winbase.h"
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#include "winternl.h"
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#include "wine/winbase16.h"
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#include "dosexe.h"
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#include "miscemu.h"
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#include "msdos.h"
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#include "file.h"
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#include "task.h"
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#include "winerror.h"
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#include "winuser.h"
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#include "wine/unicode.h"
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#include "wine/debug.h"
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/*
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* FIXME: Delete this reference when all int21 code has been moved to winedos.
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*/
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extern void WINAPI INT_Int21Handler( CONTEXT86 *context );
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/*
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* Forward declarations.
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*/
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static BOOL INT21_RenameFile( CONTEXT86 *context );
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WINE_DEFAULT_DEBUG_CHANNEL(int21);
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#include "pshpack1.h"
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/*
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* Structure for DOS data that can be accessed directly from applications.
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* Real and protected mode pointers will be returned to this structure so
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* the structure must be correctly packed.
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*/
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typedef struct _INT21_HEAP {
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WORD uppercase_size; /* Size of the following table in bytes */
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BYTE uppercase_table[128]; /* Uppercase equivalents of chars from 0x80 to 0xff. */
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WORD lowercase_size; /* Size of the following table in bytes */
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BYTE lowercase_table[256]; /* Lowercase equivalents of chars from 0x00 to 0xff. */
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WORD collating_size; /* Size of the following table in bytes */
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BYTE collating_table[256]; /* Values used to sort characters from 0x00 to 0xff. */
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WORD filename_size; /* Size of the following filename data in bytes */
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BYTE filename_reserved1; /* 0x01 for MS-DOS 3.30-6.00 */
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BYTE filename_lowest; /* Lowest permissible character value for filename */
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BYTE filename_highest; /* Highest permissible character value for filename */
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BYTE filename_reserved2; /* 0x00 for MS-DOS 3.30-6.00 */
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BYTE filename_exclude_first; /* First illegal character in permissible range */
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BYTE filename_exclude_last; /* Last illegal character in permissible range */
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BYTE filename_reserved3; /* 0x02 for MS-DOS 3.30-6.00 */
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BYTE filename_illegal_size; /* Number of terminators in the following table */
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BYTE filename_illegal_table[16]; /* Characters which terminate a filename */
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WORD dbcs_size; /* Number of valid ranges in the following table */
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BYTE dbcs_table[16]; /* Start/end bytes for N ranges and 00/00 as terminator */
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BYTE misc_indos; /* Interrupt 21 nesting flag */
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} INT21_HEAP;
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#include "poppack.h"
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/***********************************************************************
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* INT21_ReadChar
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*
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* Reads a character from the standard input.
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* Extended keycodes will be returned as two separate characters.
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*/
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static BOOL INT21_ReadChar( BYTE *input, CONTEXT86 *waitctx )
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{
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static BYTE pending_scan = 0;
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if (pending_scan)
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{
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if (input)
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*input = pending_scan;
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if (waitctx)
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pending_scan = 0;
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return TRUE;
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}
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else
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{
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BYTE ascii;
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BYTE scan;
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if (!DOSVM_Int16ReadChar( &ascii, &scan, waitctx ))
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return FALSE;
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if (input)
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*input = ascii;
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if (waitctx && !ascii)
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pending_scan = scan;
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return TRUE;
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}
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}
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/***********************************************************************
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* INT21_GetSystemCountryCode
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*
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* Return DOS country code for default system locale.
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*/
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static WORD INT21_GetSystemCountryCode()
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{
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/*
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* FIXME: Determine country code. We should probably use
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* DOSCONF structure for that.
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*/
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return GetSystemDefaultLangID();
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}
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/***********************************************************************
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* INT21_FillCountryInformation
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*
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* Fill 34-byte buffer with country information data using
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* default system locale.
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*/
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static void INT21_FillCountryInformation( BYTE *buffer )
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{
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/* 00 - WORD: date format
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* 00 = mm/dd/yy
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* 01 = dd/mm/yy
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* 02 = yy/mm/dd
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*/
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*(WORD*)(buffer + 0) = 0; /* FIXME: Get from locale */
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/* 02 - BYTE[5]: ASCIIZ currency symbol string */
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buffer[2] = '$'; /* FIXME: Get from locale */
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buffer[3] = 0;
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/* 07 - BYTE[2]: ASCIIZ thousands separator */
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buffer[7] = 0; /* FIXME: Get from locale */
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buffer[8] = 0;
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/* 09 - BYTE[2]: ASCIIZ decimal separator */
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buffer[9] = '.'; /* FIXME: Get from locale */
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buffer[10] = 0;
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/* 11 - BYTE[2]: ASCIIZ date separator */
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buffer[11] = '/'; /* FIXME: Get from locale */
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buffer[12] = 0;
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/* 13 - BYTE[2]: ASCIIZ time separator */
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buffer[13] = ':'; /* FIXME: Get from locale */
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buffer[14] = 0;
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/* 15 - BYTE: Currency format
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* bit 2 = set if currency symbol replaces decimal point
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* bit 1 = number of spaces between value and currency symbol
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* bit 0 = 0 if currency symbol precedes value
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* 1 if currency symbol follows value
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*/
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buffer[15] = 0; /* FIXME: Get from locale */
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/* 16 - BYTE: Number of digits after decimal in currency */
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buffer[16] = 0; /* FIXME: Get from locale */
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/* 17 - BYTE: Time format
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* bit 0 = 0 if 12-hour clock
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* 1 if 24-hour clock
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*/
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buffer[17] = 1; /* FIXME: Get from locale */
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/* 18 - DWORD: Address of case map routine */
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*(DWORD*)(buffer + 18) = 0; /* FIXME: ptr to case map routine */
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/* 22 - BYTE[2]: ASCIIZ data-list separator */
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buffer[22] = ','; /* FIXME: Get from locale */
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buffer[23] = 0;
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/* 24 - BYTE[10]: Reserved */
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memset( buffer + 24, 0, 10 );
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}
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/***********************************************************************
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* INT21_FillHeap
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*
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* Initialize DOS heap.
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*/
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static void INT21_FillHeap( INT21_HEAP *heap )
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{
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static const char terminators[] = "\"\\./[]:|<>+=;,";
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int i;
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/*
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* Uppercase table.
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*/
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heap->uppercase_size = 128;
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for (i = 0; i < 128; i++)
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heap->uppercase_table[i] = toupper( 128 + i );
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/*
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* Lowercase table.
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*/
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heap->lowercase_size = 256;
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for (i = 0; i < 256; i++)
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heap->lowercase_table[i] = tolower( i );
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/*
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* Collating table.
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*/
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heap->collating_size = 256;
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for (i = 0; i < 256; i++)
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heap->collating_table[i] = i;
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/*
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* Filename table.
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*/
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heap->filename_size = 8 + strlen(terminators);
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heap->filename_illegal_size = strlen(terminators);
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strcpy( heap->filename_illegal_table, terminators );
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heap->filename_reserved1 = 0x01;
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heap->filename_lowest = 0; /* FIXME: correct value? */
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heap->filename_highest = 0xff; /* FIXME: correct value? */
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heap->filename_reserved2 = 0x00;
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heap->filename_exclude_first = 0x00; /* FIXME: correct value? */
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heap->filename_exclude_last = 0x00; /* FIXME: correct value? */
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heap->filename_reserved3 = 0x02;
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/*
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* DBCS lead byte table. This table is empty.
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*/
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heap->dbcs_size = 0;
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memset( heap->dbcs_table, 0, sizeof(heap->dbcs_table) );
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/*
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* Initialize InDos flag.
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*/
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heap->misc_indos = 0;
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}
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/***********************************************************************
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* INT21_GetHeapSelector
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*
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* Get segment/selector for DOS heap (INT21_HEAP).
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* Creates and initializes heap on first call.
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*/
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static WORD INT21_GetHeapSelector( CONTEXT86 *context )
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{
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static WORD heap_segment = 0;
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static WORD heap_selector = 0;
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static BOOL heap_initialized = FALSE;
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if (!heap_initialized)
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{
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INT21_HEAP *ptr = DOSVM_AllocDataUMB( sizeof(INT21_HEAP),
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&heap_segment,
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&heap_selector );
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INT21_FillHeap( ptr );
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heap_initialized = TRUE;
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}
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if (!ISV86(context) && DOSVM_IsWin16())
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return heap_selector;
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else
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return heap_segment;
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}
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/***********************************************************************
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* INT21_BufferedInput
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*
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* Handler for function 0x0a.
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*
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* Reads a string of characters from standard input until
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* enter key is pressed.
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*/
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static void INT21_BufferedInput( CONTEXT86 *context )
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{
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BYTE *ptr = CTX_SEG_OFF_TO_LIN(context,
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context->SegDs,
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context->Edx);
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BYTE capacity = ptr[0]; /* includes CR */
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BYTE length = 0; /* excludes CR */
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TRACE( "BUFFERED INPUT (size=%d)\n", capacity );
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/*
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* Return immediately if capacity is zero.
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*
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* FIXME: What to return to application?
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*/
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if (capacity == 0)
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return;
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/*
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* FIXME: Some documents state that
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* ptr[1] holds number of chars from last input which
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* may be recalled on entry, other documents do not mention
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* this at all.
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*/
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if (ptr[1])
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TRACE( "Handle old chars in buffer!\n" );
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while(TRUE)
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{
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BYTE ascii;
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BYTE scan;
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DOSVM_Int16ReadChar( &ascii, &scan, context );
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if (ascii == '\r' || ascii == '\n')
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{
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/*
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* FIXME: What should be echoed here?
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*/
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DOSVM_PutChar( '\r' );
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DOSVM_PutChar( '\n' );
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ptr[1] = length;
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ptr[2 + length] = '\r';
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return;
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}
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/*
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* FIXME: This function is supposed to support
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* DOS editing keys...
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*/
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/*
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* If the buffer becomes filled to within one byte of
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* capacity, DOS rejects all further characters up to,
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* but not including, the terminating carriage return.
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*/
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if (ascii != 0 && length < capacity-1)
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{
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DOSVM_PutChar( ascii );
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ptr[2 + length] = ascii;
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length++;
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}
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}
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}
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/***********************************************************************
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* INT21_CreateDirectory
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*
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* Handler for:
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* - function 0x39
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* - subfunction 0x39 of function 0x71
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* - subfunction 0xff of function 0x43 (CL == 0x39)
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*/
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static BOOL INT21_CreateDirectory( CONTEXT86 *context )
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{
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WCHAR dirW[MAX_PATH];
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char *dirA = CTX_SEG_OFF_TO_LIN(context,
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context->SegDs,
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context->Edx);
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TRACE( "CREATE DIRECTORY %s\n", dirA );
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MultiByteToWideChar(CP_OEMCP, 0, dirA, -1, dirW, MAX_PATH);
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if (CreateDirectoryW(dirW, NULL))
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return TRUE;
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/*
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* FIXME: CreateDirectory's LastErrors will clash with the ones
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* used by DOS. AH=39 only returns 3 (path not found) and
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* 5 (access denied), while CreateDirectory return several
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* ones. Remap some of them. -Marcus
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*/
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switch (GetLastError())
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{
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case ERROR_ALREADY_EXISTS:
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case ERROR_FILENAME_EXCED_RANGE:
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case ERROR_DISK_FULL:
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SetLastError(ERROR_ACCESS_DENIED);
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break;
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default:
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break;
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}
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return FALSE;
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}
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/***********************************************************************
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* INT21_ExtendedCountryInformation
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*
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* Handler for function 0x65.
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*/
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static void INT21_ExtendedCountryInformation( CONTEXT86 *context )
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{
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BYTE *dataptr = CTX_SEG_OFF_TO_LIN( context, context->SegEs, context->Edi );
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TRACE( "GET EXTENDED COUNTRY INFORMATION, subfunction %02x\n",
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AL_reg(context) );
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/*
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* Check subfunctions that are passed country and code page.
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*/
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if (AL_reg(context) >= 0x01 && AL_reg(context) <= 0x07)
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{
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WORD country = DX_reg(context);
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WORD codepage = BX_reg(context);
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if (country != 0xffff && country != INT21_GetSystemCountryCode())
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FIXME( "Requested info on non-default country %04x\n", country );
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if (codepage != 0xffff && codepage != GetOEMCP())
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FIXME( "Requested info on non-default code page %04x\n", codepage );
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}
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switch (AL_reg(context)) {
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case 0x00: /* SET GENERAL INTERNATIONALIZATION INFO */
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INT_BARF( context, 0x21 );
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SET_CFLAG( context );
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break;
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case 0x01: /* GET GENERAL INTERNATIONALIZATION INFO */
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TRACE( "Get general internationalization info\n" );
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dataptr[0] = 0x01; /* Info ID */
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*(WORD*)(dataptr+1) = 38; /* Size of the following info */
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*(WORD*)(dataptr+3) = INT21_GetSystemCountryCode(); /* Country ID */
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*(WORD*)(dataptr+5) = GetOEMCP(); /* Code page */
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INT21_FillCountryInformation( dataptr + 7 );
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SET_CX( context, 41 ); /* Size of returned info */
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break;
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case 0x02: /* GET POINTER TO UPPERCASE TABLE */
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case 0x04: /* GET POINTER TO FILENAME UPPERCASE TABLE */
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TRACE( "Get pointer to uppercase table\n" );
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dataptr[0] = AL_reg(context); /* Info ID */
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*(DWORD*)(dataptr+1) = MAKESEGPTR( INT21_GetHeapSelector( context ),
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offsetof(INT21_HEAP, uppercase_size) );
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SET_CX( context, 5 ); /* Size of returned info */
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break;
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case 0x03: /* GET POINTER TO LOWERCASE TABLE */
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TRACE( "Get pointer to lowercase table\n" );
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dataptr[0] = 0x03; /* Info ID */
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*(DWORD*)(dataptr+1) = MAKESEGPTR( INT21_GetHeapSelector( context ),
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offsetof(INT21_HEAP, lowercase_size) );
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SET_CX( context, 5 ); /* Size of returned info */
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break;
|
|
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case 0x05: /* GET POINTER TO FILENAME TERMINATOR TABLE */
|
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TRACE("Get pointer to filename terminator table\n");
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dataptr[0] = 0x05; /* Info ID */
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*(DWORD*)(dataptr+1) = MAKESEGPTR( INT21_GetHeapSelector( context ),
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offsetof(INT21_HEAP, filename_size) );
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SET_CX( context, 5 ); /* Size of returned info */
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break;
|
|
|
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case 0x06: /* GET POINTER TO COLLATING SEQUENCE TABLE */
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TRACE("Get pointer to collating sequence table\n");
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dataptr[0] = 0x06; /* Info ID */
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*(DWORD*)(dataptr+1) = MAKESEGPTR( INT21_GetHeapSelector( context ),
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offsetof(INT21_HEAP, collating_size) );
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SET_CX( context, 5 ); /* Size of returned info */
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break;
|
|
|
|
case 0x07: /* GET POINTER TO DBCS LEAD BYTE TABLE */
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TRACE("Get pointer to DBCS lead byte table\n");
|
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dataptr[0] = 0x07; /* Info ID */
|
|
*(DWORD*)(dataptr+1) = MAKESEGPTR( INT21_GetHeapSelector( context ),
|
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offsetof(INT21_HEAP, dbcs_size) );
|
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SET_CX( context, 5 ); /* Size of returned info */
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break;
|
|
|
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case 0x20: /* CAPITALIZE CHARACTER */
|
|
case 0xa0: /* CAPITALIZE FILENAME CHARACTER */
|
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TRACE("Convert char to uppercase\n");
|
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SET_DL( context, toupper(DL_reg(context)) );
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break;
|
|
|
|
case 0x21: /* CAPITALIZE STRING */
|
|
case 0xa1: /* CAPITALIZE COUNTED FILENAME STRING */
|
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TRACE("Convert string to uppercase with length\n");
|
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{
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char *ptr = (char *)CTX_SEG_OFF_TO_LIN( context,
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context->SegDs,
|
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context->Edx );
|
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WORD len = CX_reg(context);
|
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while (len--) { *ptr = toupper(*ptr); ptr++; }
|
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}
|
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break;
|
|
|
|
case 0x22: /* CAPITALIZE ASCIIZ STRING */
|
|
case 0xa2: /* CAPITALIZE ASCIIZ FILENAME */
|
|
TRACE("Convert ASCIIZ string to uppercase\n");
|
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_strupr( (LPSTR)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx) );
|
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break;
|
|
|
|
case 0x23: /* DETERMINE IF CHARACTER REPRESENTS YES/NO RESPONSE */
|
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INT_BARF( context, 0x21 );
|
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SET_CFLAG( context );
|
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break;
|
|
|
|
default:
|
|
INT_BARF( context, 0x21 );
|
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SET_CFLAG(context);
|
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break;
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* INT21_FileAttributes
|
|
*
|
|
* Handler for:
|
|
* - function 0x43
|
|
* - subfunction 0x43 of function 0x71
|
|
*/
|
|
static BOOL INT21_FileAttributes( CONTEXT86 *context,
|
|
BYTE subfunction,
|
|
BOOL islong )
|
|
{
|
|
WCHAR fileW[MAX_PATH];
|
|
char *fileA = CTX_SEG_OFF_TO_LIN(context,
|
|
context->SegDs,
|
|
context->Edx);
|
|
HANDLE handle;
|
|
BOOL status;
|
|
FILETIME filetime;
|
|
DWORD result;
|
|
WORD date, time;
|
|
|
|
switch (subfunction)
|
|
{
|
|
case 0x00: /* GET FILE ATTRIBUTES */
|
|
TRACE( "GET FILE ATTRIBUTES for %s\n", fileA );
|
|
MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
|
|
|
|
result = GetFileAttributesW( fileW );
|
|
if (result == -1)
|
|
return FALSE;
|
|
else
|
|
{
|
|
SET_CX( context, (WORD)result );
|
|
if (!islong)
|
|
SET_AX( context, (WORD)result ); /* DR DOS */
|
|
}
|
|
break;
|
|
|
|
case 0x01: /* SET FILE ATTRIBUTES */
|
|
TRACE( "SET FILE ATTRIBUTES 0x%02x for %s\n",
|
|
CX_reg(context), fileA );
|
|
MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
|
|
|
|
if (!SetFileAttributesW( fileW, CX_reg(context) ))
|
|
return FALSE;
|
|
break;
|
|
|
|
case 0x02: /* GET COMPRESSED FILE SIZE */
|
|
TRACE( "GET COMPRESSED FILE SIZE for %s\n", fileA );
|
|
MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
|
|
|
|
result = GetCompressedFileSizeW( fileW, NULL );
|
|
if (result == INVALID_FILE_SIZE)
|
|
return FALSE;
|
|
else
|
|
{
|
|
SET_AX( context, LOWORD(result) );
|
|
SET_DX( context, HIWORD(result) );
|
|
}
|
|
break;
|
|
|
|
case 0x03: /* SET FILE LAST-WRITTEN DATE AND TIME */
|
|
if (!islong)
|
|
INT_BARF( context, 0x21 );
|
|
else
|
|
{
|
|
TRACE( "SET FILE LAST-WRITTEN DATE AND TIME, file %s\n", fileA );
|
|
MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
|
|
|
|
handle = CreateFileW( fileW, GENERIC_WRITE,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
NULL, OPEN_EXISTING, 0, 0 );
|
|
if (handle == INVALID_HANDLE_VALUE)
|
|
return FALSE;
|
|
|
|
DosDateTimeToFileTime( DI_reg(context),
|
|
CX_reg(context),
|
|
&filetime );
|
|
status = SetFileTime( handle, NULL, NULL, &filetime );
|
|
|
|
CloseHandle( handle );
|
|
return status;
|
|
}
|
|
break;
|
|
|
|
case 0x04: /* GET FILE LAST-WRITTEN DATE AND TIME */
|
|
if (!islong)
|
|
INT_BARF( context, 0x21 );
|
|
else
|
|
{
|
|
TRACE( "GET FILE LAST-WRITTEN DATE AND TIME, file %s\n", fileA );
|
|
MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
|
|
|
|
handle = CreateFileW( fileW, GENERIC_READ,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
NULL, OPEN_EXISTING, 0, 0 );
|
|
if (handle == INVALID_HANDLE_VALUE)
|
|
return FALSE;
|
|
|
|
status = GetFileTime( handle, NULL, NULL, &filetime );
|
|
if (status)
|
|
{
|
|
FileTimeToDosDateTime( &filetime, &date, &time );
|
|
SET_DI( context, date );
|
|
SET_CX( context, time );
|
|
}
|
|
|
|
CloseHandle( handle );
|
|
return status;
|
|
}
|
|
break;
|
|
|
|
case 0x05: /* SET FILE LAST ACCESS DATE */
|
|
if (!islong)
|
|
INT_BARF( context, 0x21 );
|
|
else
|
|
{
|
|
TRACE( "SET FILE LAST ACCESS DATE, file %s\n", fileA );
|
|
MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
|
|
|
|
handle = CreateFileW( fileW, GENERIC_WRITE,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
NULL, OPEN_EXISTING, 0, 0 );
|
|
if (handle == INVALID_HANDLE_VALUE)
|
|
return FALSE;
|
|
|
|
DosDateTimeToFileTime( DI_reg(context),
|
|
0,
|
|
&filetime );
|
|
status = SetFileTime( handle, NULL, &filetime, NULL );
|
|
|
|
CloseHandle( handle );
|
|
return status;
|
|
}
|
|
break;
|
|
|
|
case 0x06: /* GET FILE LAST ACCESS DATE */
|
|
if (!islong)
|
|
INT_BARF( context, 0x21 );
|
|
else
|
|
{
|
|
TRACE( "GET FILE LAST ACCESS DATE, file %s\n", fileA );
|
|
MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
|
|
|
|
handle = CreateFileW( fileW, GENERIC_READ,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
NULL, OPEN_EXISTING, 0, 0 );
|
|
if (handle == INVALID_HANDLE_VALUE)
|
|
return FALSE;
|
|
|
|
status = GetFileTime( handle, NULL, &filetime, NULL );
|
|
if (status)
|
|
{
|
|
FileTimeToDosDateTime( &filetime, &date, NULL );
|
|
SET_DI( context, date );
|
|
}
|
|
|
|
CloseHandle( handle );
|
|
return status;
|
|
}
|
|
break;
|
|
|
|
case 0x07: /* SET FILE CREATION DATE AND TIME */
|
|
if (!islong)
|
|
INT_BARF( context, 0x21 );
|
|
else
|
|
{
|
|
TRACE( "SET FILE CREATION DATE AND TIME, file %s\n", fileA );
|
|
|
|
handle = CreateFileW( fileW, GENERIC_WRITE,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
NULL, OPEN_EXISTING, 0, 0 );
|
|
if (handle == INVALID_HANDLE_VALUE)
|
|
return FALSE;
|
|
|
|
/*
|
|
* FIXME: SI has number of 10-millisecond units past time in CX.
|
|
*/
|
|
DosDateTimeToFileTime( DI_reg(context),
|
|
CX_reg(context),
|
|
&filetime );
|
|
status = SetFileTime( handle, &filetime, NULL, NULL );
|
|
|
|
CloseHandle( handle );
|
|
return status;
|
|
}
|
|
break;
|
|
|
|
case 0x08: /* GET FILE CREATION DATE AND TIME */
|
|
if (!islong)
|
|
INT_BARF( context, 0x21 );
|
|
else
|
|
{
|
|
TRACE( "GET FILE CREATION DATE AND TIME, handle %d\n",
|
|
BX_reg(context) );
|
|
|
|
handle = CreateFileW( fileW, GENERIC_READ,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
NULL, OPEN_EXISTING, 0, 0 );
|
|
if (handle == INVALID_HANDLE_VALUE)
|
|
return FALSE;
|
|
|
|
status = GetFileTime( handle, &filetime, NULL, NULL );
|
|
if (status)
|
|
{
|
|
FileTimeToDosDateTime( &filetime, &date, &time );
|
|
SET_DI( context, date );
|
|
SET_CX( context, time );
|
|
/*
|
|
* FIXME: SI has number of 10-millisecond units past
|
|
* time in CX.
|
|
*/
|
|
SET_SI( context, 0 );
|
|
}
|
|
|
|
CloseHandle(handle);
|
|
return status;
|
|
}
|
|
break;
|
|
|
|
case 0xff: /* EXTENDED-LENGTH FILENAME OPERATIONS */
|
|
if (islong || context->Ebp != 0x5053)
|
|
INT_BARF( context, 0x21 );
|
|
else
|
|
{
|
|
switch(CL_reg(context))
|
|
{
|
|
case 0x39:
|
|
if (!INT21_CreateDirectory( context ))
|
|
return FALSE;
|
|
break;
|
|
|
|
case 0x56:
|
|
if (!INT21_RenameFile( context ))
|
|
return FALSE;
|
|
break;
|
|
|
|
default:
|
|
INT_BARF( context, 0x21 );
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
INT_BARF( context, 0x21 );
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* INT21_FileDateTime
|
|
*
|
|
* Handler for function 0x57.
|
|
*/
|
|
static BOOL INT21_FileDateTime( CONTEXT86 *context )
|
|
{
|
|
HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
|
|
FILETIME filetime;
|
|
WORD date, time;
|
|
|
|
switch (AL_reg(context)) {
|
|
case 0x00: /* Get last-written stamp */
|
|
TRACE( "GET FILE LAST-WRITTEN DATE AND TIME, handle %d\n",
|
|
BX_reg(context) );
|
|
{
|
|
if (!GetFileTime( handle, NULL, NULL, &filetime ))
|
|
return FALSE;
|
|
FileTimeToDosDateTime( &filetime, &date, &time );
|
|
SET_DX( context, date );
|
|
SET_CX( context, time );
|
|
break;
|
|
}
|
|
|
|
case 0x01: /* Set last-written stamp */
|
|
TRACE( "SET FILE LAST-WRITTEN DATE AND TIME, handle %d\n",
|
|
BX_reg(context) );
|
|
{
|
|
DosDateTimeToFileTime( DX_reg(context),
|
|
CX_reg(context),
|
|
&filetime );
|
|
if (!SetFileTime( handle, NULL, NULL, &filetime ))
|
|
return FALSE;
|
|
break;
|
|
}
|
|
|
|
case 0x04: /* Get last access stamp, DOS 7 */
|
|
TRACE( "GET FILE LAST ACCESS DATE AND TIME, handle %d\n",
|
|
BX_reg(context) );
|
|
{
|
|
if (!GetFileTime( handle, NULL, &filetime, NULL ))
|
|
return FALSE;
|
|
FileTimeToDosDateTime( &filetime, &date, &time );
|
|
SET_DX( context, date );
|
|
SET_CX( context, time );
|
|
break;
|
|
}
|
|
|
|
case 0x05: /* Set last access stamp, DOS 7 */
|
|
TRACE( "SET FILE LAST ACCESS DATE AND TIME, handle %d\n",
|
|
BX_reg(context) );
|
|
{
|
|
DosDateTimeToFileTime( DX_reg(context),
|
|
CX_reg(context),
|
|
&filetime );
|
|
if (!SetFileTime( handle, NULL, &filetime, NULL ))
|
|
return FALSE;
|
|
break;
|
|
}
|
|
|
|
case 0x06: /* Get creation stamp, DOS 7 */
|
|
TRACE( "GET FILE CREATION DATE AND TIME, handle %d\n",
|
|
BX_reg(context) );
|
|
{
|
|
if (!GetFileTime( handle, &filetime, NULL, NULL ))
|
|
return FALSE;
|
|
FileTimeToDosDateTime( &filetime, &date, &time );
|
|
SET_DX( context, date );
|
|
SET_CX( context, time );
|
|
/*
|
|
* FIXME: SI has number of 10-millisecond units past time in CX.
|
|
*/
|
|
SET_SI( context, 0 );
|
|
break;
|
|
}
|
|
|
|
case 0x07: /* Set creation stamp, DOS 7 */
|
|
TRACE( "SET FILE CREATION DATE AND TIME, handle %d\n",
|
|
BX_reg(context) );
|
|
{
|
|
/*
|
|
* FIXME: SI has number of 10-millisecond units past time in CX.
|
|
*/
|
|
DosDateTimeToFileTime( DX_reg(context),
|
|
CX_reg(context),
|
|
&filetime );
|
|
if (!SetFileTime( handle, &filetime, NULL, NULL ))
|
|
return FALSE;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
INT_BARF( context, 0x21 );
|
|
break;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* INT21_GetPSP
|
|
*
|
|
* Handler for functions 0x51 and 0x62.
|
|
*/
|
|
static void INT21_GetPSP( CONTEXT86 *context )
|
|
{
|
|
TRACE( "GET CURRENT PSP ADDRESS (%02x)\n", AH_reg(context) );
|
|
|
|
/*
|
|
* FIXME: should we return the original DOS PSP upon
|
|
* Windows startup ?
|
|
*/
|
|
if (!ISV86(context) && DOSVM_IsWin16())
|
|
SET_BX( context, LOWORD(GetCurrentPDB16()) );
|
|
else
|
|
SET_BX( context, DOSVM_psp );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* INT21_Ioctl_Block
|
|
*
|
|
* Handler for block device IOCTLs.
|
|
*/
|
|
static void INT21_Ioctl_Block( CONTEXT86 *context )
|
|
{
|
|
INT_Int21Handler( context );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* INT21_Ioctl_Char
|
|
*
|
|
* Handler for character device IOCTLs.
|
|
*/
|
|
static void INT21_Ioctl_Char( CONTEXT86 *context )
|
|
{
|
|
static const WCHAR emmxxxx0W[] = {'E','M','M','X','X','X','X','0',0};
|
|
static const WCHAR scsimgrW[] = {'S','C','S','I','M','G','R','$',0};
|
|
|
|
HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
|
|
const DOS_DEVICE *dev = DOSFS_GetDeviceByHandle(handle);
|
|
|
|
if (dev && !strcmpiW( dev->name, emmxxxx0W ))
|
|
{
|
|
EMS_Ioctl_Handler(context);
|
|
return;
|
|
}
|
|
|
|
if (dev && !strcmpiW( dev->name, scsimgrW ) && AL_reg(context) == 2)
|
|
{
|
|
DOSVM_ASPIHandler(context);
|
|
return;
|
|
}
|
|
|
|
INT_Int21Handler( context );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* INT21_Ioctl
|
|
*
|
|
* Handler for function 0x44.
|
|
*/
|
|
static void INT21_Ioctl( CONTEXT86 *context )
|
|
{
|
|
switch (AL_reg(context))
|
|
{
|
|
case 0x00:
|
|
case 0x01:
|
|
case 0x02:
|
|
case 0x03:
|
|
INT21_Ioctl_Char( context );
|
|
break;
|
|
|
|
case 0x04:
|
|
case 0x05:
|
|
INT21_Ioctl_Block( context );
|
|
break;
|
|
|
|
case 0x06:
|
|
case 0x07:
|
|
INT21_Ioctl_Char( context );
|
|
break;
|
|
|
|
case 0x08:
|
|
case 0x09:
|
|
INT21_Ioctl_Block( context );
|
|
break;
|
|
|
|
case 0x0a:
|
|
INT21_Ioctl_Char( context );
|
|
break;
|
|
|
|
case 0x0b: /* SET SHARING RETRY COUNT */
|
|
TRACE( "SET SHARING RETRY COUNT: Pause %d, retries %d.\n",
|
|
CX_reg(context), DX_reg(context) );
|
|
if (!CX_reg(context))
|
|
{
|
|
SET_AX( context, 1 );
|
|
SET_CFLAG( context );
|
|
}
|
|
else
|
|
{
|
|
DOSMEM_LOL()->sharing_retry_delay = CX_reg(context);
|
|
if (DX_reg(context))
|
|
DOSMEM_LOL()->sharing_retry_count = DX_reg(context);
|
|
RESET_CFLAG( context );
|
|
}
|
|
break;
|
|
|
|
case 0x0c:
|
|
INT21_Ioctl_Char( context );
|
|
break;
|
|
|
|
case 0x0d:
|
|
case 0x0e:
|
|
case 0x0f:
|
|
INT21_Ioctl_Block( context );
|
|
break;
|
|
|
|
case 0x10:
|
|
INT21_Ioctl_Char( context );
|
|
break;
|
|
|
|
case 0x11:
|
|
INT21_Ioctl_Block( context );
|
|
break;
|
|
|
|
case 0x12: /* DR DOS - DETERMINE DOS TYPE (OBSOLETE FUNCTION) */
|
|
TRACE( "DR DOS - DETERMINE DOS TYPE (OBSOLETE FUNCTION)\n" );
|
|
SET_CFLAG(context); /* Error / This is not DR DOS. */
|
|
SET_AX( context, 0x0001 ); /* Invalid function */
|
|
break;
|
|
|
|
case 0x52: /* DR DOS - DETERMINE DOS TYPE */
|
|
TRACE( "DR DOS - DETERMINE DOS TYPE\n" );
|
|
SET_CFLAG(context); /* Error / This is not DR DOS. */
|
|
SET_AX( context, 0x0001 ); /* Invalid function */
|
|
break;
|
|
|
|
case 0xe0: /* Sun PC-NFS API */
|
|
TRACE( "Sun PC-NFS API\n" );
|
|
/* not installed */
|
|
break;
|
|
|
|
default:
|
|
INT_BARF( context, 0x21 );
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* INT21_LongFilename
|
|
*
|
|
* Handler for function 0x71.
|
|
*/
|
|
static void INT21_LongFilename( CONTEXT86 *context )
|
|
{
|
|
BOOL bSetDOSExtendedError = FALSE;
|
|
|
|
if (HIBYTE(HIWORD(GetVersion16())) < 0x07)
|
|
{
|
|
TRACE( "LONG FILENAME - functions supported only under DOS7\n" );
|
|
SET_CFLAG( context );
|
|
SET_AL( context, 0 );
|
|
return;
|
|
}
|
|
|
|
switch (AL_reg(context))
|
|
{
|
|
case 0x0d: /* RESET DRIVE */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x39: /* LONG FILENAME - MAKE DIRECTORY */
|
|
if (!INT21_CreateDirectory( context ))
|
|
bSetDOSExtendedError = TRUE;
|
|
break;
|
|
|
|
case 0x3a: /* LONG FILENAME - REMOVE DIRECTORY */
|
|
{
|
|
WCHAR dirW[MAX_PATH];
|
|
char *dirA = CTX_SEG_OFF_TO_LIN(context,
|
|
context->SegDs, context->Edx);
|
|
|
|
TRACE( "LONG FILENAME - REMOVE DIRECTORY %s\n", dirA );
|
|
MultiByteToWideChar(CP_OEMCP, 0, dirA, -1, dirW, MAX_PATH);
|
|
|
|
if (!RemoveDirectoryW( dirW ))
|
|
bSetDOSExtendedError = TRUE;
|
|
}
|
|
break;
|
|
|
|
case 0x3b: /* LONG FILENAME - CHANGE DIRECTORY */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x41: /* LONG FILENAME - DELETE FILE */
|
|
{
|
|
WCHAR fileW[MAX_PATH];
|
|
char *fileA = CTX_SEG_OFF_TO_LIN(context,
|
|
context->SegDs, context->Edx);
|
|
|
|
TRACE( "LONG FILENAME - DELETE FILE %s\n", fileA );
|
|
MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
|
|
|
|
if (!DeleteFileW( fileW ))
|
|
bSetDOSExtendedError = TRUE;
|
|
}
|
|
break;
|
|
|
|
case 0x43: /* LONG FILENAME - EXTENDED GET/SET FILE ATTRIBUTES */
|
|
if (!INT21_FileAttributes( context, BL_reg(context), TRUE ))
|
|
bSetDOSExtendedError = TRUE;
|
|
break;
|
|
|
|
case 0x47: /* LONG FILENAME - GET CURRENT DIRECTORY */
|
|
case 0x4e: /* LONG FILENAME - FIND FIRST MATCHING FILE */
|
|
case 0x4f: /* LONG FILENAME - FIND NEXT MATCHING FILE */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x56: /* LONG FILENAME - RENAME FILE */
|
|
if (!INT21_RenameFile(context))
|
|
bSetDOSExtendedError = TRUE;
|
|
break;
|
|
|
|
case 0x60: /* LONG FILENAME - CONVERT PATH */
|
|
case 0x6c: /* LONG FILENAME - CREATE OR OPEN FILE */
|
|
case 0xa0: /* LONG FILENAME - GET VOLUME INFORMATION */
|
|
case 0xa1: /* LONG FILENAME - "FindClose" - TERMINATE DIRECTORY SEARCH */
|
|
case 0xa6: /* LONG FILENAME - GET FILE INFO BY HANDLE */
|
|
case 0xa7: /* LONG FILENAME - CONVERT TIME */
|
|
case 0xa8: /* LONG FILENAME - GENERATE SHORT FILENAME */
|
|
case 0xa9: /* LONG FILENAME - SERVER CREATE OR OPEN FILE */
|
|
case 0xaa: /* LONG FILENAME - SUBST */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
default:
|
|
INT_BARF( context, 0x21 );
|
|
}
|
|
|
|
if (bSetDOSExtendedError)
|
|
{
|
|
SET_AX( context, GetLastError() );
|
|
SET_CFLAG( context );
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* INT21_RenameFile
|
|
*
|
|
* Handler for:
|
|
* - function 0x56
|
|
* - subfunction 0x56 of function 0x71
|
|
* - subfunction 0xff of function 0x43 (CL == 0x56)
|
|
*/
|
|
static BOOL INT21_RenameFile( CONTEXT86 *context )
|
|
{
|
|
WCHAR fromW[MAX_PATH];
|
|
WCHAR toW[MAX_PATH];
|
|
char *fromA = CTX_SEG_OFF_TO_LIN(context,
|
|
context->SegDs,context->Edx);
|
|
char *toA = CTX_SEG_OFF_TO_LIN(context,
|
|
context->SegEs,context->Edi);
|
|
|
|
TRACE( "RENAME FILE %s to %s\n", fromA, toA );
|
|
MultiByteToWideChar(CP_OEMCP, 0, fromA, -1, fromW, MAX_PATH);
|
|
MultiByteToWideChar(CP_OEMCP, 0, toA, -1, toW, MAX_PATH);
|
|
|
|
return MoveFileW( fromW, toW );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* INT21_GetExtendedError
|
|
*/
|
|
static void INT21_GetExtendedError( CONTEXT86 *context )
|
|
{
|
|
BYTE class, action, locus;
|
|
WORD error = GetLastError();
|
|
|
|
switch(error)
|
|
{
|
|
case ERROR_SUCCESS:
|
|
class = action = locus = 0;
|
|
break;
|
|
case ERROR_DIR_NOT_EMPTY:
|
|
class = EC_Exists;
|
|
action = SA_Ignore;
|
|
locus = EL_Disk;
|
|
break;
|
|
case ERROR_ACCESS_DENIED:
|
|
class = EC_AccessDenied;
|
|
action = SA_Abort;
|
|
locus = EL_Disk;
|
|
break;
|
|
case ERROR_CANNOT_MAKE:
|
|
class = EC_AccessDenied;
|
|
action = SA_Abort;
|
|
locus = EL_Unknown;
|
|
break;
|
|
case ERROR_DISK_FULL:
|
|
case ERROR_HANDLE_DISK_FULL:
|
|
class = EC_MediaError;
|
|
action = SA_Abort;
|
|
locus = EL_Disk;
|
|
break;
|
|
case ERROR_FILE_EXISTS:
|
|
case ERROR_ALREADY_EXISTS:
|
|
class = EC_Exists;
|
|
action = SA_Abort;
|
|
locus = EL_Disk;
|
|
break;
|
|
case ERROR_FILE_NOT_FOUND:
|
|
class = EC_NotFound;
|
|
action = SA_Abort;
|
|
locus = EL_Disk;
|
|
break;
|
|
case ER_GeneralFailure:
|
|
class = EC_SystemFailure;
|
|
action = SA_Abort;
|
|
locus = EL_Unknown;
|
|
break;
|
|
case ERROR_INVALID_DRIVE:
|
|
class = EC_MediaError;
|
|
action = SA_Abort;
|
|
locus = EL_Disk;
|
|
break;
|
|
case ERROR_INVALID_HANDLE:
|
|
class = EC_ProgramError;
|
|
action = SA_Abort;
|
|
locus = EL_Disk;
|
|
break;
|
|
case ERROR_LOCK_VIOLATION:
|
|
class = EC_AccessDenied;
|
|
action = SA_Abort;
|
|
locus = EL_Disk;
|
|
break;
|
|
case ERROR_NO_MORE_FILES:
|
|
class = EC_MediaError;
|
|
action = SA_Abort;
|
|
locus = EL_Disk;
|
|
break;
|
|
case ER_NoNetwork:
|
|
class = EC_NotFound;
|
|
action = SA_Abort;
|
|
locus = EL_Network;
|
|
break;
|
|
case ERROR_NOT_ENOUGH_MEMORY:
|
|
class = EC_OutOfResource;
|
|
action = SA_Abort;
|
|
locus = EL_Memory;
|
|
break;
|
|
case ERROR_PATH_NOT_FOUND:
|
|
class = EC_NotFound;
|
|
action = SA_Abort;
|
|
locus = EL_Disk;
|
|
break;
|
|
case ERROR_SEEK:
|
|
class = EC_NotFound;
|
|
action = SA_Ignore;
|
|
locus = EL_Disk;
|
|
break;
|
|
case ERROR_SHARING_VIOLATION:
|
|
class = EC_Temporary;
|
|
action = SA_Retry;
|
|
locus = EL_Disk;
|
|
break;
|
|
case ERROR_TOO_MANY_OPEN_FILES:
|
|
class = EC_ProgramError;
|
|
action = SA_Abort;
|
|
locus = EL_Disk;
|
|
break;
|
|
default:
|
|
FIXME("Unknown error %d\n", error );
|
|
class = EC_SystemFailure;
|
|
action = SA_Abort;
|
|
locus = EL_Unknown;
|
|
break;
|
|
}
|
|
TRACE("GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n",
|
|
error, class, action, locus );
|
|
SET_AX( context, error );
|
|
SET_BH( context, class );
|
|
SET_BL( context, action );
|
|
SET_CH( context, locus );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DOSVM_Int21Handler
|
|
*
|
|
* Interrupt 0x21 handler.
|
|
*/
|
|
void WINAPI DOSVM_Int21Handler( CONTEXT86 *context )
|
|
{
|
|
BOOL bSetDOSExtendedError = FALSE;
|
|
|
|
TRACE( "AX=%04x BX=%04x CX=%04x DX=%04x "
|
|
"SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
|
|
AX_reg(context), BX_reg(context),
|
|
CX_reg(context), DX_reg(context),
|
|
SI_reg(context), DI_reg(context),
|
|
(WORD)context->SegDs, (WORD)context->SegEs,
|
|
context->EFlags );
|
|
|
|
/*
|
|
* Extended error is used by (at least) functions 0x2f to 0x62.
|
|
* Function 0x59 returns extended error and error should not
|
|
* be cleared before handling the function.
|
|
*/
|
|
if (AH_reg(context) >= 0x2f && AH_reg(context) != 0x59)
|
|
SetLastError(0);
|
|
|
|
RESET_CFLAG(context); /* Not sure if this is a good idea. */
|
|
|
|
switch(AH_reg(context))
|
|
{
|
|
case 0x00: /* TERMINATE PROGRAM */
|
|
TRACE("TERMINATE PROGRAM\n");
|
|
if (DOSVM_IsWin16())
|
|
ExitThread( 0 );
|
|
else
|
|
MZ_Exit( context, FALSE, 0 );
|
|
break;
|
|
|
|
case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
|
|
{
|
|
BYTE ascii;
|
|
TRACE("DIRECT CHARACTER INPUT WITH ECHO\n");
|
|
INT21_ReadChar( &ascii, context );
|
|
SET_AL( context, ascii );
|
|
/*
|
|
* FIXME: What to echo when extended keycodes are read?
|
|
*/
|
|
DOSVM_PutChar(AL_reg(context));
|
|
}
|
|
break;
|
|
|
|
case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
|
|
TRACE("Write Character to Standard Output\n");
|
|
DOSVM_PutChar(DL_reg(context));
|
|
break;
|
|
|
|
case 0x03: /* READ CHARACTER FROM STDAUX */
|
|
case 0x04: /* WRITE CHARACTER TO STDAUX */
|
|
case 0x05: /* WRITE CHARACTER TO PRINTER */
|
|
INT_BARF( context, 0x21 );
|
|
break;
|
|
|
|
case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
|
|
if (DL_reg(context) == 0xff)
|
|
{
|
|
TRACE("Direct Console Input\n");
|
|
|
|
if (INT21_ReadChar( NULL, NULL ))
|
|
{
|
|
BYTE ascii;
|
|
INT21_ReadChar( &ascii, context );
|
|
SET_AL( context, ascii );
|
|
RESET_ZFLAG( context );
|
|
}
|
|
else
|
|
{
|
|
/* no character available */
|
|
SET_AL( context, 0 );
|
|
SET_ZFLAG( context );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
TRACE("Direct Console Output\n");
|
|
DOSVM_PutChar(DL_reg(context));
|
|
/*
|
|
* At least DOS versions 2.1-7.0 return character
|
|
* that was written in AL register.
|
|
*/
|
|
SET_AL( context, DL_reg(context) );
|
|
}
|
|
break;
|
|
|
|
case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
|
|
{
|
|
BYTE ascii;
|
|
TRACE("DIRECT CHARACTER INPUT WITHOUT ECHO\n");
|
|
INT21_ReadChar( &ascii, context );
|
|
SET_AL( context, ascii );
|
|
}
|
|
break;
|
|
|
|
case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
|
|
{
|
|
BYTE ascii;
|
|
TRACE("CHARACTER INPUT WITHOUT ECHO\n");
|
|
INT21_ReadChar( &ascii, context );
|
|
SET_AL( context, ascii );
|
|
}
|
|
break;
|
|
|
|
case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
|
|
TRACE("WRITE '$'-terminated string from %04lX:%04X to stdout\n",
|
|
context->SegDs, DX_reg(context) );
|
|
{
|
|
LPSTR data = CTX_SEG_OFF_TO_LIN( context,
|
|
context->SegDs, context->Edx );
|
|
LPSTR p = data;
|
|
|
|
/*
|
|
* Do NOT use strchr() to calculate the string length,
|
|
* as '\0' is valid string content, too!
|
|
* Maybe we should check for non-'$' strings, but DOS doesn't.
|
|
*/
|
|
while (*p != '$') p++;
|
|
|
|
if (DOSVM_IsWin16())
|
|
WriteFile( DosFileHandleToWin32Handle(1),
|
|
data, p - data, 0, 0 );
|
|
else
|
|
for(; data != p; data++)
|
|
DOSVM_PutChar( *data );
|
|
|
|
SET_AL( context, '$' ); /* yes, '$' (0x24) gets returned in AL */
|
|
}
|
|
break;
|
|
|
|
case 0x0a: /* BUFFERED INPUT */
|
|
INT21_BufferedInput( context );
|
|
break;
|
|
|
|
case 0x0b: /* GET STDIN STATUS */
|
|
TRACE( "GET STDIN STATUS\n" );
|
|
{
|
|
if (INT21_ReadChar( NULL, NULL ))
|
|
SET_AL( context, 0xff ); /* character available */
|
|
else
|
|
SET_AL( context, 0 ); /* no character available */
|
|
}
|
|
break;
|
|
|
|
case 0x0c: /* FLUSH BUFFER AND READ STANDARD INPUT */
|
|
{
|
|
BYTE al = AL_reg(context); /* Input function to execute after flush. */
|
|
|
|
TRACE( "FLUSH BUFFER AND READ STANDARD INPUT - 0x%02x\n", al );
|
|
|
|
/* FIXME: buffers are not flushed */
|
|
|
|
/*
|
|
* If AL is one of 0x01, 0x06, 0x07, 0x08, or 0x0a,
|
|
* int21 function identified by AL will be called.
|
|
*/
|
|
if(al == 0x01 || al == 0x06 || al == 0x07 || al == 0x08 || al == 0x0a)
|
|
{
|
|
SET_AH( context, al );
|
|
DOSVM_Int21Handler( context );
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 0x0d: /* DISK BUFFER FLUSH */
|
|
TRACE("DISK BUFFER FLUSH ignored\n");
|
|
break;
|
|
|
|
case 0x0e: /* SELECT DEFAULT DRIVE */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x0f: /* OPEN FILE USING FCB */
|
|
case 0x10: /* CLOSE FILE USING FCB */
|
|
INT_BARF( context, 0x21 );
|
|
break;
|
|
|
|
case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
|
|
case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x13: /* DELETE FILE USING FCB */
|
|
case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
|
|
case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
|
|
case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
|
|
case 0x17: /* RENAME FILE USING FCB */
|
|
INT_BARF( context, 0x21 );
|
|
break;
|
|
|
|
case 0x18: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
|
|
SET_AL( context, 0 );
|
|
break;
|
|
|
|
case 0x19: /* GET CURRENT DEFAULT DRIVE */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
|
|
TRACE( "SET DISK TRANSFER AREA ADDRESS %04lX:%04X\n",
|
|
context->SegDs, DX_reg(context) );
|
|
{
|
|
TDB *task = GlobalLock16( GetCurrentTask() );
|
|
task->dta = MAKESEGPTR( context->SegDs, DX_reg(context) );
|
|
}
|
|
break;
|
|
|
|
case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
|
|
case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x1d: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
|
|
case 0x1e: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
|
|
SET_AL( context, 0 );
|
|
break;
|
|
|
|
case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x20: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
|
|
SET_AL( context, 0 );
|
|
break;
|
|
|
|
case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
|
|
case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
|
|
case 0x23: /* GET FILE SIZE FOR FCB */
|
|
case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
|
|
INT_BARF( context, 0x21 );
|
|
break;
|
|
|
|
case 0x25: /* SET INTERRUPT VECTOR */
|
|
TRACE("SET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
|
|
{
|
|
FARPROC16 ptr = (FARPROC16)MAKESEGPTR( context->SegDs, DX_reg(context) );
|
|
if (!ISV86(context) && DOSVM_IsWin16())
|
|
DOSVM_SetPMHandler16( AL_reg(context), ptr );
|
|
else
|
|
DOSVM_SetRMHandler( AL_reg(context), ptr );
|
|
}
|
|
break;
|
|
|
|
case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
|
|
case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
|
|
case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
|
|
INT_BARF( context, 0x21 );
|
|
break;
|
|
|
|
case 0x29: /* PARSE FILENAME INTO FCB */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x2a: /* GET SYSTEM DATE */
|
|
TRACE( "GET SYSTEM DATE\n" );
|
|
{
|
|
SYSTEMTIME systime;
|
|
GetLocalTime( &systime );
|
|
SET_CX( context, systime.wYear );
|
|
SET_DH( context, systime.wMonth );
|
|
SET_DL( context, systime.wDay );
|
|
SET_AL( context, systime.wDayOfWeek );
|
|
}
|
|
break;
|
|
|
|
case 0x2b: /* SET SYSTEM DATE */
|
|
TRACE( "SET SYSTEM DATE\n" );
|
|
{
|
|
WORD year = CX_reg(context);
|
|
BYTE month = DH_reg(context);
|
|
BYTE day = DL_reg(context);
|
|
|
|
if (year >= 1980 && year <= 2099 &&
|
|
month >= 1 && month <= 12 &&
|
|
day >= 1 && day <= 31)
|
|
{
|
|
FIXME( "SetSystemDate(%02d/%02d/%04d): not allowed\n",
|
|
day, month, year );
|
|
SET_AL( context, 0 ); /* Let's pretend we succeeded */
|
|
}
|
|
else
|
|
{
|
|
SET_AL( context, 0xff ); /* invalid date */
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 0x2c: /* GET SYSTEM TIME */
|
|
TRACE( "GET SYSTEM TIME\n" );
|
|
{
|
|
SYSTEMTIME systime;
|
|
GetLocalTime( &systime );
|
|
SET_CH( context, systime.wHour );
|
|
SET_CL( context, systime.wMinute );
|
|
SET_DH( context, systime.wSecond );
|
|
SET_DL( context, systime.wMilliseconds / 10 );
|
|
}
|
|
break;
|
|
|
|
case 0x2d: /* SET SYSTEM TIME */
|
|
FIXME("SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n",
|
|
CH_reg(context), CL_reg(context),
|
|
DH_reg(context), DL_reg(context) );
|
|
SET_AL( context, 0 ); /* Let's pretend we succeeded */
|
|
break;
|
|
|
|
case 0x2e: /* SET VERIFY FLAG */
|
|
TRACE("SET VERIFY FLAG ignored\n");
|
|
/* we cannot change the behaviour anyway, so just ignore it */
|
|
break;
|
|
|
|
case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
|
|
TRACE( "GET DISK TRANSFER AREA ADDRESS\n" );
|
|
{
|
|
TDB *task = GlobalLock16( GetCurrentTask() );
|
|
context->SegEs = SELECTOROF( task->dta );
|
|
SET_BX( context, OFFSETOF( task->dta ) );
|
|
}
|
|
break;
|
|
|
|
case 0x30: /* GET DOS VERSION */
|
|
TRACE( "GET DOS VERSION - %s requested\n",
|
|
(AL_reg(context) == 0x00) ? "OEM number" : "version flag" );
|
|
|
|
if (AL_reg(context) == 0x00)
|
|
SET_BH( context, 0xff ); /* OEM number => undefined */
|
|
else
|
|
SET_BH( context, 0x08 ); /* version flag => DOS is in ROM */
|
|
|
|
SET_AL( context, HIBYTE(HIWORD(GetVersion16())) ); /* major version */
|
|
SET_AH( context, LOBYTE(HIWORD(GetVersion16())) ); /* minor version */
|
|
|
|
SET_BL( context, 0x12 ); /* 0x123456 is 24-bit Wine's serial # */
|
|
SET_CX( context, 0x3456 );
|
|
break;
|
|
|
|
case 0x31: /* TERMINATE AND STAY RESIDENT */
|
|
FIXME("TERMINATE AND STAY RESIDENT stub\n");
|
|
break;
|
|
|
|
case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x33: /* MULTIPLEXED */
|
|
switch (AL_reg(context))
|
|
{
|
|
case 0x00: /* GET CURRENT EXTENDED BREAK STATE */
|
|
TRACE("GET CURRENT EXTENDED BREAK STATE\n");
|
|
SET_DL( context, DOSCONF_GetConfig()->brk_flag );
|
|
break;
|
|
|
|
case 0x01: /* SET EXTENDED BREAK STATE */
|
|
TRACE("SET CURRENT EXTENDED BREAK STATE\n");
|
|
DOSCONF_GetConfig()->brk_flag = (DL_reg(context) > 0) ? 1 : 0;
|
|
break;
|
|
|
|
case 0x02: /* GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE*/
|
|
TRACE("GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE\n");
|
|
/* ugly coding in order to stay reentrant */
|
|
if (DL_reg(context))
|
|
{
|
|
SET_DL( context, DOSCONF_GetConfig()->brk_flag );
|
|
DOSCONF_GetConfig()->brk_flag = 1;
|
|
}
|
|
else
|
|
{
|
|
SET_DL( context, DOSCONF_GetConfig()->brk_flag );
|
|
DOSCONF_GetConfig()->brk_flag = 0;
|
|
}
|
|
break;
|
|
|
|
case 0x05: /* GET BOOT DRIVE */
|
|
TRACE("GET BOOT DRIVE\n");
|
|
SET_DL( context, 3 );
|
|
/* c: is Wine's bootdrive (a: is 1)*/
|
|
break;
|
|
|
|
case 0x06: /* GET TRUE VERSION NUMBER */
|
|
TRACE("GET TRUE VERSION NUMBER\n");
|
|
SET_BL( context, HIBYTE(HIWORD(GetVersion16())) ); /* major */
|
|
SET_BH( context, LOBYTE(HIWORD(GetVersion16())) ); /* minor */
|
|
SET_DL( context, 0x00 ); /* revision */
|
|
SET_DH( context, 0x08 ); /* DOS is in ROM */
|
|
break;
|
|
|
|
default:
|
|
INT_BARF( context, 0x21 );
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case 0x34: /* GET ADDRESS OF INDOS FLAG */
|
|
TRACE( "GET ADDRESS OF INDOS FLAG\n" );
|
|
context->SegEs = INT21_GetHeapSelector( context );
|
|
SET_BX( context, offsetof(INT21_HEAP, misc_indos) );
|
|
break;
|
|
|
|
case 0x35: /* GET INTERRUPT VECTOR */
|
|
TRACE("GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
|
|
{
|
|
FARPROC16 addr;
|
|
if (!ISV86(context) && DOSVM_IsWin16())
|
|
addr = DOSVM_GetPMHandler16( AL_reg(context) );
|
|
else
|
|
addr = DOSVM_GetRMHandler( AL_reg(context) );
|
|
context->SegEs = SELECTOROF(addr);
|
|
SET_BX( context, OFFSETOF(addr) );
|
|
}
|
|
break;
|
|
|
|
case 0x36: /* GET FREE DISK SPACE */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x37: /* SWITCHAR */
|
|
{
|
|
switch (AL_reg(context))
|
|
{
|
|
case 0x00: /* "SWITCHAR" - GET SWITCH CHARACTER */
|
|
TRACE( "SWITCHAR - GET SWITCH CHARACTER\n" );
|
|
SET_AL( context, 0x00 ); /* success*/
|
|
SET_DL( context, '/' );
|
|
break;
|
|
case 0x01: /*"SWITCHAR" - SET SWITCH CHARACTER*/
|
|
FIXME( "SWITCHAR - SET SWITCH CHARACTER: %c\n",
|
|
DL_reg( context ));
|
|
SET_AL( context, 0x00 ); /* success*/
|
|
break;
|
|
default:
|
|
INT_BARF( context, 0x21 );
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
|
|
TRACE( "GET COUNTRY-SPECIFIC INFORMATION\n" );
|
|
if (AL_reg(context))
|
|
{
|
|
WORD country = AL_reg(context);
|
|
if (country == 0xff)
|
|
country = BX_reg(context);
|
|
if (country != INT21_GetSystemCountryCode())
|
|
FIXME( "Requested info on non-default country %04x\n", country );
|
|
}
|
|
INT21_FillCountryInformation( CTX_SEG_OFF_TO_LIN(context,
|
|
context->SegDs,
|
|
context->Edx) );
|
|
SET_AX( context, INT21_GetSystemCountryCode() );
|
|
SET_BX( context, INT21_GetSystemCountryCode() );
|
|
break;
|
|
|
|
case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
|
|
if (!INT21_CreateDirectory( context ))
|
|
bSetDOSExtendedError = TRUE;
|
|
break;
|
|
|
|
case 0x3a: /* "RMDIR" - REMOVE DIRECTORY */
|
|
{
|
|
WCHAR dirW[MAX_PATH];
|
|
char *dirA = CTX_SEG_OFF_TO_LIN(context,
|
|
context->SegDs, context->Edx);
|
|
|
|
TRACE( "REMOVE DIRECTORY %s\n", dirA );
|
|
|
|
MultiByteToWideChar(CP_OEMCP, 0, dirA, -1, dirW, MAX_PATH);
|
|
|
|
if (!RemoveDirectoryW( dirW ))
|
|
bSetDOSExtendedError = TRUE;
|
|
}
|
|
break;
|
|
|
|
case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
|
|
case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
|
|
case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x3e: /* "CLOSE" - CLOSE FILE */
|
|
TRACE( "CLOSE handle %d\n", BX_reg(context) );
|
|
if (_lclose16( BX_reg(context) ) == HFILE_ERROR16)
|
|
bSetDOSExtendedError = TRUE;
|
|
break;
|
|
|
|
case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
|
|
TRACE( "READ from %d to %04lX:%04X for %d bytes\n",
|
|
BX_reg(context),
|
|
context->SegDs,
|
|
DX_reg(context),
|
|
CX_reg(context) );
|
|
{
|
|
DWORD result;
|
|
WORD count = CX_reg(context);
|
|
BYTE *buffer = CTX_SEG_OFF_TO_LIN( context,
|
|
context->SegDs,
|
|
context->Edx );
|
|
|
|
/* Some programs pass a count larger than the allocated buffer */
|
|
if (DOSVM_IsWin16())
|
|
{
|
|
WORD maxcount = GetSelectorLimit16( context->SegDs )
|
|
- DX_reg(context) + 1;
|
|
if (count > maxcount)
|
|
count = maxcount;
|
|
}
|
|
|
|
/*
|
|
* FIXME: Reading from console (BX=1) in DOS mode
|
|
* does not work as it is supposed to work.
|
|
*/
|
|
|
|
if (ReadFile( DosFileHandleToWin32Handle(BX_reg(context)),
|
|
buffer, count, &result, NULL ))
|
|
SET_AX( context, (WORD)result );
|
|
else
|
|
bSetDOSExtendedError = TRUE;
|
|
}
|
|
break;
|
|
|
|
case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
|
|
TRACE( "WRITE from %04lX:%04X to handle %d for %d byte\n",
|
|
context->SegDs, DX_reg(context),
|
|
BX_reg(context), CX_reg(context) );
|
|
{
|
|
BYTE *ptr = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
|
|
|
|
if (!DOSVM_IsWin16() && BX_reg(context) == 1)
|
|
{
|
|
int i;
|
|
for(i=0; i<CX_reg(context); i++)
|
|
DOSVM_PutChar(ptr[i]);
|
|
SET_AX(context, CX_reg(context));
|
|
}
|
|
else
|
|
{
|
|
HFILE handle = (HFILE)DosFileHandleToWin32Handle(BX_reg(context));
|
|
LONG result = _hwrite( handle, ptr, CX_reg(context) );
|
|
if (result == HFILE_ERROR)
|
|
bSetDOSExtendedError = TRUE;
|
|
else
|
|
SET_AX( context, (WORD)result );
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 0x41: /* "UNLINK" - DELETE FILE */
|
|
{
|
|
WCHAR fileW[MAX_PATH];
|
|
char *fileA = CTX_SEG_OFF_TO_LIN(context,
|
|
context->SegDs,
|
|
context->Edx);
|
|
|
|
TRACE( "UNLINK %s\n", fileA );
|
|
MultiByteToWideChar(CP_OEMCP, 0, fileA, -1, fileW, MAX_PATH);
|
|
|
|
if (!DeleteFileW( fileW ))
|
|
bSetDOSExtendedError = TRUE;
|
|
}
|
|
break;
|
|
|
|
case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
|
|
TRACE( "LSEEK handle %d offset %ld from %s\n",
|
|
BX_reg(context),
|
|
MAKELONG( DX_reg(context), CX_reg(context) ),
|
|
(AL_reg(context) == 0) ?
|
|
"start of file" : ((AL_reg(context) == 1) ?
|
|
"current file position" : "end of file") );
|
|
{
|
|
HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
|
|
LONG offset = MAKELONG( DX_reg(context), CX_reg(context) );
|
|
DWORD status = SetFilePointer( handle, offset,
|
|
NULL, AL_reg(context) );
|
|
if (status == INVALID_SET_FILE_POINTER)
|
|
bSetDOSExtendedError = TRUE;
|
|
else
|
|
{
|
|
SET_AX( context, LOWORD(status) );
|
|
SET_DX( context, HIWORD(status) );
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 0x43: /* FILE ATTRIBUTES */
|
|
if (!INT21_FileAttributes( context, AL_reg(context), FALSE ))
|
|
bSetDOSExtendedError = TRUE;
|
|
break;
|
|
|
|
case 0x44: /* IOCTL */
|
|
INT21_Ioctl( context );
|
|
break;
|
|
|
|
case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
|
|
TRACE( "DUPLICATE FILE HANDLE %d\n", BX_reg(context) );
|
|
{
|
|
HANDLE handle32;
|
|
HFILE handle16 = HFILE_ERROR;
|
|
|
|
if (DuplicateHandle( GetCurrentProcess(),
|
|
DosFileHandleToWin32Handle(BX_reg(context)),
|
|
GetCurrentProcess(),
|
|
&handle32,
|
|
0, TRUE, DUPLICATE_SAME_ACCESS ))
|
|
handle16 = Win32HandleToDosFileHandle(handle32);
|
|
|
|
if (handle16 == HFILE_ERROR)
|
|
bSetDOSExtendedError = TRUE;
|
|
else
|
|
SET_AX( context, handle16 );
|
|
}
|
|
break;
|
|
|
|
case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
|
|
TRACE( "FORCEDUP - FORCE DUPLICATE FILE HANDLE %d to %d\n",
|
|
BX_reg(context), CX_reg(context) );
|
|
if (FILE_Dup2( BX_reg(context), CX_reg(context) ) == HFILE_ERROR16)
|
|
bSetDOSExtendedError = TRUE;
|
|
break;
|
|
|
|
case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x48: /* ALLOCATE MEMORY */
|
|
TRACE( "ALLOCATE MEMORY for %d paragraphs\n", BX_reg(context) );
|
|
{
|
|
WORD selector = 0;
|
|
DWORD bytes = (DWORD)BX_reg(context) << 4;
|
|
|
|
if (!ISV86(context) && DOSVM_IsWin16())
|
|
{
|
|
DWORD rv = GlobalDOSAlloc16( bytes );
|
|
selector = LOWORD( rv );
|
|
}
|
|
else
|
|
DOSMEM_GetBlock( bytes, &selector );
|
|
|
|
if (selector)
|
|
SET_AX( context, selector );
|
|
else
|
|
{
|
|
SET_CFLAG(context);
|
|
SET_AX( context, 0x0008 ); /* insufficient memory */
|
|
SET_BX( context, DOSMEM_Available() >> 4 );
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 0x49: /* FREE MEMORY */
|
|
TRACE( "FREE MEMORY segment %04lX\n", context->SegEs );
|
|
{
|
|
BOOL ok;
|
|
|
|
if (!ISV86(context) && DOSVM_IsWin16())
|
|
{
|
|
ok = !GlobalDOSFree16( context->SegEs );
|
|
|
|
/* If we don't reset ES_reg, we will fail in the relay code */
|
|
if (ok)
|
|
context->SegEs = 0;
|
|
}
|
|
else
|
|
ok = DOSMEM_FreeBlock( (void*)((DWORD)context->SegEs << 4) );
|
|
|
|
if (!ok)
|
|
{
|
|
TRACE("FREE MEMORY failed\n");
|
|
SET_CFLAG(context);
|
|
SET_AX( context, 0x0009 ); /* memory block address invalid */
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 0x4a: /* RESIZE MEMORY BLOCK */
|
|
TRACE( "RESIZE MEMORY segment %04lX to %d paragraphs\n",
|
|
context->SegEs, BX_reg(context) );
|
|
{
|
|
DWORD newsize = (DWORD)BX_reg(context) << 4;
|
|
|
|
if (!ISV86(context) && DOSVM_IsWin16())
|
|
{
|
|
FIXME( "Resize memory block - unsupported under Win16\n" );
|
|
}
|
|
else
|
|
{
|
|
LPVOID address = (void*)((DWORD)context->SegEs << 4);
|
|
UINT blocksize = DOSMEM_ResizeBlock( address, newsize, FALSE );
|
|
|
|
if (blocksize == (UINT)-1)
|
|
{
|
|
SET_CFLAG( context );
|
|
SET_AX( context, 0x0009 ); /* illegal address */
|
|
}
|
|
else if(blocksize != newsize)
|
|
{
|
|
SET_CFLAG( context );
|
|
SET_AX( context, 0x0008 ); /* insufficient memory */
|
|
SET_BX( context, blocksize >> 4 ); /* new block size */
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
|
|
{
|
|
BYTE *program = CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
|
|
BYTE *paramblk = CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Ebx);
|
|
|
|
TRACE( "EXEC %s\n", program );
|
|
|
|
if (DOSVM_IsWin16())
|
|
{
|
|
HINSTANCE16 instance = WinExec16( program, SW_NORMAL );
|
|
if (instance < 32)
|
|
{
|
|
SET_CFLAG( context );
|
|
SET_AX( context, instance );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!MZ_Exec( context, program, AL_reg(context), paramblk))
|
|
bSetDOSExtendedError = TRUE;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
|
|
TRACE( "EXIT with return code %d\n", AL_reg(context) );
|
|
if (DOSVM_IsWin16())
|
|
ExitThread( AL_reg(context) );
|
|
else
|
|
MZ_Exit( context, FALSE, AL_reg(context) );
|
|
break;
|
|
|
|
case 0x4d: /* GET RETURN CODE */
|
|
TRACE("GET RETURN CODE (ERRORLEVEL)\n");
|
|
SET_AX( context, DOSVM_retval );
|
|
DOSVM_retval = 0;
|
|
break;
|
|
|
|
case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
|
|
case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x50: /* SET CURRENT PROCESS ID (SET PSP ADDRESS) */
|
|
TRACE("SET CURRENT PROCESS ID (SET PSP ADDRESS)\n");
|
|
DOSVM_psp = BX_reg(context);
|
|
break;
|
|
|
|
case 0x51: /* GET PSP ADDRESS */
|
|
INT21_GetPSP( context );
|
|
break;
|
|
|
|
case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
|
|
if (!ISV86(context) && DOSVM_IsWin16())
|
|
{
|
|
SEGPTR ptr = DOSMEM_LOL()->wine_pm_lol;
|
|
context->SegEs = SELECTOROF(ptr);
|
|
SET_BX( context, OFFSETOF(ptr) );
|
|
}
|
|
else
|
|
{
|
|
SEGPTR ptr = DOSMEM_LOL()->wine_rm_lol;
|
|
context->SegEs = SELECTOROF(ptr);
|
|
SET_BX( context, OFFSETOF(ptr) );
|
|
}
|
|
break;
|
|
|
|
case 0x54: /* Get Verify Flag */
|
|
TRACE("Get Verify Flag - Not Supported\n");
|
|
SET_AL( context, 0x00 ); /* pretend we can tell. 00h = off 01h = on */
|
|
break;
|
|
|
|
case 0x56: /* "RENAME" - RENAME FILE */
|
|
if (!INT21_RenameFile( context ))
|
|
bSetDOSExtendedError = TRUE;
|
|
break;
|
|
|
|
case 0x57: /* FILE DATE AND TIME */
|
|
if (!INT21_FileDateTime( context ))
|
|
bSetDOSExtendedError = TRUE;
|
|
break;
|
|
|
|
case 0x58: /* GET OR SET MEMORY ALLOCATION STRATEGY */
|
|
switch (AL_reg(context))
|
|
{
|
|
case 0x00: /* GET MEMORY ALLOCATION STRATEGY */
|
|
TRACE( "GET MEMORY ALLOCATION STRATEGY\n" );
|
|
SET_AX( context, 0 ); /* low memory first fit */
|
|
break;
|
|
|
|
case 0x01: /* SET ALLOCATION STRATEGY */
|
|
TRACE( "SET MEMORY ALLOCATION STRATEGY to %d - ignored\n",
|
|
BL_reg(context) );
|
|
break;
|
|
|
|
case 0x02: /* GET UMB LINK STATE */
|
|
TRACE( "GET UMB LINK STATE\n" );
|
|
SET_AL( context, 0 ); /* UMBs not part of DOS memory chain */
|
|
break;
|
|
|
|
case 0x03: /* SET UMB LINK STATE */
|
|
TRACE( "SET UMB LINK STATE to %d - ignored\n",
|
|
BX_reg(context) );
|
|
break;
|
|
|
|
default:
|
|
INT_BARF( context, 0x21 );
|
|
}
|
|
break;
|
|
|
|
case 0x59: /* GET EXTENDED ERROR INFO */
|
|
INT21_GetExtendedError( context );
|
|
break;
|
|
|
|
case 0x5a: /* CREATE TEMPORARY FILE */
|
|
case 0x5b: /* CREATE NEW FILE */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x5c: /* "FLOCK" - RECORD LOCKING */
|
|
{
|
|
DWORD offset = MAKELONG(DX_reg(context), CX_reg(context));
|
|
DWORD length = MAKELONG(DI_reg(context), SI_reg(context));
|
|
HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
|
|
|
|
switch (AL_reg(context))
|
|
{
|
|
case 0x00: /* LOCK */
|
|
TRACE( "lock handle %d offset %ld length %ld\n",
|
|
BX_reg(context), offset, length );
|
|
if (!LockFile( handle, offset, 0, length, 0 ))
|
|
bSetDOSExtendedError = TRUE;
|
|
break;
|
|
|
|
case 0x01: /* UNLOCK */
|
|
TRACE( "unlock handle %d offset %ld length %ld\n",
|
|
BX_reg(context), offset, length );
|
|
if (!UnlockFile( handle, offset, 0, length, 0 ))
|
|
bSetDOSExtendedError = TRUE;
|
|
break;
|
|
|
|
default:
|
|
INT_BARF( context, 0x21 );
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 0x5d: /* NETWORK 5D */
|
|
FIXME( "Network function 5D not implemented.\n" );
|
|
SetLastError( ER_NoNetwork );
|
|
bSetDOSExtendedError = TRUE;
|
|
break;
|
|
|
|
case 0x5e: /* NETWORK 5E */
|
|
case 0x5f: /* NETWORK 5F */
|
|
case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x61: /* UNUSED */
|
|
SET_AL( context, 0 );
|
|
break;
|
|
|
|
case 0x62: /* GET PSP ADDRESS */
|
|
INT21_GetPSP( context );
|
|
break;
|
|
|
|
case 0x63: /* MISC. LANGUAGE SUPPORT */
|
|
switch (AL_reg(context)) {
|
|
case 0x00: /* GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE */
|
|
TRACE( "GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE\n" );
|
|
context->SegDs = INT21_GetHeapSelector( context );
|
|
SET_SI( context, offsetof(INT21_HEAP, dbcs_table) );
|
|
SET_AL( context, 0 ); /* success */
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case 0x64: /* OS/2 DOS BOX */
|
|
INT_BARF( context, 0x21 );
|
|
SET_CFLAG(context);
|
|
break;
|
|
|
|
case 0x65: /* EXTENDED COUNTRY INFORMATION */
|
|
INT21_ExtendedCountryInformation( context );
|
|
break;
|
|
|
|
case 0x66: /* GLOBAL CODE PAGE TABLE */
|
|
switch (AL_reg(context))
|
|
{
|
|
case 0x01:
|
|
TRACE( "GET GLOBAL CODE PAGE TABLE\n" );
|
|
SET_BX( context, GetOEMCP() );
|
|
SET_DX( context, GetOEMCP() );
|
|
break;
|
|
case 0x02:
|
|
FIXME( "SET GLOBAL CODE PAGE TABLE, active %d, system %d - ignored\n",
|
|
BX_reg(context), DX_reg(context) );
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case 0x67: /* SET HANDLE COUNT */
|
|
TRACE( "SET HANDLE COUNT to %d\n", BX_reg(context) );
|
|
if (SetHandleCount( BX_reg(context) ) < BX_reg(context) )
|
|
bSetDOSExtendedError = TRUE;
|
|
break;
|
|
|
|
case 0x68: /* "FFLUSH" - COMMIT FILE */
|
|
TRACE( "FFLUSH - handle %d\n", BX_reg(context) );
|
|
if (!FlushFileBuffers( DosFileHandleToWin32Handle(BX_reg(context)) ))
|
|
bSetDOSExtendedError = TRUE;
|
|
break;
|
|
|
|
case 0x69: /* DISK SERIAL NUMBER */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x6a: /* COMMIT FILE */
|
|
TRACE( "COMMIT FILE - handle %d\n", BX_reg(context) );
|
|
if (!FlushFileBuffers( DosFileHandleToWin32Handle(BX_reg(context)) ))
|
|
bSetDOSExtendedError = TRUE;
|
|
break;
|
|
|
|
case 0x6b: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
|
|
SET_AL( context, 0 );
|
|
break;
|
|
|
|
case 0x6c: /* EXTENDED OPEN/CREATE */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x70: /* MSDOS 7 - GET/SET INTERNATIONALIZATION INFORMATION */
|
|
FIXME( "MS-DOS 7 - GET/SET INTERNATIONALIZATION INFORMATION\n" );
|
|
SET_CFLAG( context );
|
|
SET_AL( context, 0 );
|
|
break;
|
|
|
|
case 0x71: /* MSDOS 7 - LONG FILENAME FUNCTIONS */
|
|
INT21_LongFilename( context );
|
|
break;
|
|
|
|
case 0x73: /* MSDOS7 - FAT32 */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
|
|
TRACE( "CONNECTION SERVICES - GET CONNECTION NUMBER - ignored\n" );
|
|
break;
|
|
|
|
case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
|
|
TRACE( "NOVELL NETWARE - RETURN SHELL VERSION - ignored\n" );
|
|
break;
|
|
|
|
default:
|
|
INT_BARF( context, 0x21 );
|
|
break;
|
|
|
|
} /* END OF SWITCH */
|
|
|
|
/* Set general error condition. */
|
|
if (bSetDOSExtendedError)
|
|
{
|
|
SET_AX( context, GetLastError() );
|
|
SET_CFLAG( context );
|
|
}
|
|
|
|
/* Print error code if carry flag is set. */
|
|
if (context->EFlags & 0x0001)
|
|
TRACE("failed, error %ld\n", GetLastError() );
|
|
|
|
TRACE( "returning: AX=%04x BX=%04x CX=%04x DX=%04x "
|
|
"SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
|
|
AX_reg(context), BX_reg(context),
|
|
CX_reg(context), DX_reg(context),
|
|
SI_reg(context), DI_reg(context),
|
|
(WORD)context->SegDs, (WORD)context->SegEs,
|
|
context->EFlags );
|
|
}
|