1162 lines
37 KiB
C
1162 lines
37 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 "winerror.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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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_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_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;
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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 */
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*(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 */
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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;
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case 0x21: /* CAPITALIZE STRING */
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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;
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case 0x22: /* CAPITALIZE ASCIIZ STRING */
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case 0xa2: /* CAPITALIZE ASCIIZ FILENAME */
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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;
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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;
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default:
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INT_BARF( context, 0x21 );
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SET_CFLAG(context);
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break;
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}
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}
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/***********************************************************************
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* INT21_GetPSP
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*
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* Handler for functions 0x51 and 0x62.
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*/
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static void INT21_GetPSP( CONTEXT86 *context )
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{
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TRACE( "GET CURRENT PSP ADDRESS (%02x)\n", AH_reg(context) );
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/*
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* FIXME: should we return the original DOS PSP upon
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* Windows startup ?
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*/
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if (!ISV86(context) && DOSVM_IsWin16())
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SET_BX( context, LOWORD(GetCurrentPDB16()) );
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else
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SET_BX( context, DOSVM_psp );
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}
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/***********************************************************************
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* INT21_Ioctl
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*
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* Handler for function 0x44.
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*/
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static void INT21_Ioctl( CONTEXT86 *context )
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{
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static const WCHAR emmxxxx0W[] = {'E','M','M','X','X','X','X','0',0};
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const DOS_DEVICE *dev = DOSFS_GetDeviceByHandle(
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DosFileHandleToWin32Handle(BX_reg(context)) );
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if (dev && !strcmpiW( dev->name, emmxxxx0W )) {
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EMS_Ioctl_Handler(context);
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return;
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}
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switch (AL_reg(context))
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{
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case 0x0b: /* SET SHARING RETRY COUNT */
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TRACE("IOCTL - SET SHARING RETRY COUNT pause %d retries %d\n",
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CX_reg(context), DX_reg(context));
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if (!CX_reg(context))
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{
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SET_AX( context, 1 );
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SET_CFLAG(context);
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break;
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}
|
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DOSMEM_LOL()->sharing_retry_delay = CX_reg(context);
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if (!DX_reg(context))
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DOSMEM_LOL()->sharing_retry_count = DX_reg(context);
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RESET_CFLAG(context);
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break;
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default:
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INT_Int21Handler( context );
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}
|
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}
|
|
|
|
|
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/***********************************************************************
|
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* INT21_GetExtendedError
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*/
|
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static void INT21_GetExtendedError( CONTEXT86 *context )
|
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{
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BYTE class, action, locus;
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WORD error = GetLastError();
|
|
|
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switch(error)
|
|
{
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case ERROR_SUCCESS:
|
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class = action = locus = 0;
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break;
|
|
case ERROR_DIR_NOT_EMPTY:
|
|
class = EC_Exists;
|
|
action = SA_Ignore;
|
|
locus = EL_Disk;
|
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break;
|
|
case ERROR_ACCESS_DENIED:
|
|
class = EC_AccessDenied;
|
|
action = SA_Abort;
|
|
locus = EL_Disk;
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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;
|
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locus = EL_Disk;
|
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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;
|
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break;
|
|
case ERROR_INVALID_DRIVE:
|
|
class = EC_MediaError;
|
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action = SA_Abort;
|
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locus = EL_Disk;
|
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break;
|
|
case ERROR_INVALID_HANDLE:
|
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class = EC_ProgramError;
|
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action = SA_Abort;
|
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locus = EL_Disk;
|
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break;
|
|
case ERROR_LOCK_VIOLATION:
|
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class = EC_AccessDenied;
|
|
action = SA_Abort;
|
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locus = EL_Disk;
|
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break;
|
|
case ERROR_NO_MORE_FILES:
|
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class = EC_MediaError;
|
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action = SA_Abort;
|
|
locus = EL_Disk;
|
|
break;
|
|
case ER_NoNetwork:
|
|
class = EC_NotFound;
|
|
action = SA_Abort;
|
|
locus = EL_Network;
|
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break;
|
|
case ERROR_NOT_ENOUGH_MEMORY:
|
|
class = EC_OutOfResource;
|
|
action = SA_Abort;
|
|
locus = EL_Memory;
|
|
break;
|
|
case ERROR_PATH_NOT_FOUND:
|
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class = EC_NotFound;
|
|
action = SA_Abort;
|
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locus = EL_Disk;
|
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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 (WINEDOS16.133)
|
|
*
|
|
* 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");
|
|
DOSVM_Int16ReadChar(&ascii, NULL, FALSE);
|
|
SET_AL( context, ascii );
|
|
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 */
|
|
/* FIXME: Use DOSDEV_Peek/Read/Write(DOSDEV_Console(),...) !! */
|
|
if (DL_reg(context) == 0xff) {
|
|
static char scan = 0;
|
|
TRACE("Direct Console Input\n");
|
|
if (scan) {
|
|
/* return pending scancode */
|
|
SET_AL( context, scan );
|
|
RESET_ZFLAG(context);
|
|
scan = 0;
|
|
} else {
|
|
BYTE ascii;
|
|
if (DOSVM_Int16ReadChar(&ascii,&scan,TRUE)) {
|
|
DOSVM_Int16ReadChar(&ascii,&scan,FALSE);
|
|
/* return ASCII code */
|
|
SET_AL( context, ascii );
|
|
RESET_ZFLAG(context);
|
|
/* return scan code on next call only if ascii==0 */
|
|
if (ascii) scan = 0;
|
|
} else {
|
|
/* nothing pending, clear everything */
|
|
SET_AL( context, 0 );
|
|
SET_ZFLAG(context);
|
|
scan = 0; /* just in case */
|
|
}
|
|
}
|
|
} else {
|
|
TRACE("Direct Console Output\n");
|
|
DOSVM_PutChar(DL_reg(context));
|
|
}
|
|
break;
|
|
|
|
case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
|
|
{
|
|
BYTE ascii;
|
|
/* FIXME: Use DOSDEV_Peek/Read(DOSDEV_Console(),...) !! */
|
|
TRACE("DIRECT CHARACTER INPUT WITHOUT ECHO\n");
|
|
DOSVM_Int16ReadChar(&ascii, NULL, FALSE);
|
|
SET_AL( context, ascii );
|
|
}
|
|
break;
|
|
|
|
case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
|
|
{
|
|
BYTE ascii;
|
|
/* FIXME: Use DOSDEV_Peek/Read(DOSDEV_Console(),...) !! */
|
|
TRACE("CHARACTER INPUT WITHOUT ECHO\n");
|
|
DOSVM_Int16ReadChar(&ascii, NULL, FALSE);
|
|
SET_AL( context, ascii );
|
|
}
|
|
break;
|
|
|
|
case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x0a: /* BUFFERED INPUT */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x0b: /* GET STDIN STATUS */
|
|
TRACE( "GET STDIN STATUS\n" );
|
|
{
|
|
BIOSDATA *data = BIOS_DATA;
|
|
if(data->FirstKbdCharPtr == data->NextKbdCharPtr)
|
|
SET_AL( context, 0 );
|
|
else
|
|
SET_AL( context, 0xff );
|
|
}
|
|
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 */
|
|
case 0x13: /* DELETE FILE USING FCB */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
|
|
case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
|
|
case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
|
|
INT_BARF( context, 0x21 );
|
|
break;
|
|
|
|
case 0x17: /* RENAME FILE USING FCB */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x18: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
|
|
SET_AL( context, 0 );
|
|
break;
|
|
|
|
case 0x19: /* GET CURRENT DEFAULT DRIVE */
|
|
case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
|
|
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 */
|
|
FIXME("SetSystemDate(%02d/%02d/%04d): not allowed\n",
|
|
DL_reg(context), DH_reg(context), CX_reg(context) );
|
|
SET_AL( context, 0 ); /* Let's pretend we succeeded */
|
|
break;
|
|
|
|
case 0x2c: /* GET SYSTEM TIME */
|
|
TRACE( "GET SYSTEM TIME\n" );
|
|
{
|
|
SYSTEMTIME systime;
|
|
GetLocalTime( &systime );
|
|
SET_CL( context, systime.wHour );
|
|
SET_CH( 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 */
|
|
case 0x30: /* GET DOS VERSION */
|
|
INT_Int21Handler( context );
|
|
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 */
|
|
case 0x33: /* MULTIPLEXED */
|
|
INT_Int21Handler( context );
|
|
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 */
|
|
case 0x37: /* SWITCHAR */
|
|
INT_Int21Handler( context );
|
|
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 */
|
|
case 0x3a: /* "RMDIR" - REMOVE SUBDIRECTORY */
|
|
case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
|
|
case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
|
|
case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
|
|
case 0x3e: /* "CLOSE" - CLOSE FILE */
|
|
case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
|
|
/* Writes to stdout are handled here. */
|
|
if (!DOSVM_IsWin16() && BX_reg(context) == 1) {
|
|
BYTE *ptr = CTX_SEG_OFF_TO_LIN(context,
|
|
context->SegDs,
|
|
context->Edx);
|
|
int i;
|
|
|
|
for(i=0; i<CX_reg(context); i++)
|
|
DOSVM_PutChar(ptr[i]);
|
|
} else
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x41: /* "UNLINK" - DELETE FILE */
|
|
case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */
|
|
case 0x43: /* FILE ATTRIBUTES */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x44: /* IOCTL */
|
|
INT21_Ioctl( context );
|
|
break;
|
|
|
|
case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
|
|
case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
|
|
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 */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */
|
|
if(DOSVM_IsWin16()) {
|
|
INT_Int21Handler( context );
|
|
break;
|
|
}
|
|
|
|
TRACE("EXEC %s\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx ));
|
|
if (!MZ_Exec( context, CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx),
|
|
AL_reg(context), CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Ebx) ))
|
|
{
|
|
SET_AX( context, GetLastError() );
|
|
SET_CFLAG(context);
|
|
}
|
|
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 */
|
|
case 0x57: /* FILE DATE AND TIME */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x58: /* GET OR SET MEMORY ALLOCATION STRATEGY */
|
|
TRACE( "GET OR SET MEMORY ALLOCATION STRATEGY, subfunction %d\n",
|
|
AL_reg(context) );
|
|
switch (AL_reg(context))
|
|
{
|
|
case 0x00: /* GET ALLOCATION STRATEGY */
|
|
SET_AX( context, 1 ); /* low memory best fit */
|
|
break;
|
|
|
|
case 0x01: /* SET ALLOCATION STRATEGY */
|
|
TRACE( "Set allocation strategy to %d - ignored\n",
|
|
BL_reg(context) );
|
|
break;
|
|
|
|
default:
|
|
INT_BARF( context, 0x21 );
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case 0x59: /* GET EXTENDED ERROR INFO */
|
|
INT21_GetExtendedError( context );
|
|
break;
|
|
|
|
case 0x5a: /* CREATE TEMPORARY FILE */
|
|
case 0x5b: /* CREATE NEW FILE */
|
|
case 0x5c: /* "FLOCK" - RECORD LOCKING */
|
|
case 0x5d: /* NETWORK 5D */
|
|
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 */
|
|
case 0x69: /* DISK SERIAL NUMBER */
|
|
case 0x6a: /* COMMIT FILE */
|
|
INT_Int21Handler( context );
|
|
break;
|
|
|
|
case 0x6b: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
|
|
SET_AL( context, 0 );
|
|
break;
|
|
|
|
case 0x6c: /* EXTENDED OPEN/CREATE */
|
|
case 0x70: /* MS-DOS 7 (Windows95) - ??? (country-specific?)*/
|
|
case 0x71: /* MS-DOS 7 (Windows95) - LONG FILENAME FUNCTIONS */
|
|
case 0x72: /* MS-DOS 7 (Windows95) - ??? */
|
|
case 0x73: /* MULTIPLEXED: Win95 OSR2/Win98 FAT32 calls */
|
|
case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
|
|
case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
|
|
INT_Int21Handler( context );
|
|
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 );
|
|
}
|