Clean up int21 handling. Move error handling to winedos.
Call INT_Int21Handler only to emulate selected functions.
This commit is contained in:
Jukka Heinonen
Alexandre Julliard
parent
7b7f198786
commit
2ec8b71bae
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@ -32,6 +32,7 @@
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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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@ -42,7 +43,11 @@ extern void WINAPI INT_Int21Handler( CONTEXT86 *context );
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WINE_DEFAULT_DEBUG_CHANNEL(int21);
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void WINAPI DOSVM_Int21Handler_Ioctl( CONTEXT86 *context )
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/***********************************************************************
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* INT21_Ioctl
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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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@ -74,50 +79,168 @@ void WINAPI DOSVM_Int21Handler_Ioctl( CONTEXT86 *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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{
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case ERROR_SUCCESS:
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class = action = locus = 0;
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break;
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case ERROR_DIR_NOT_EMPTY:
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class = EC_Exists;
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action = SA_Ignore;
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locus = EL_Disk;
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break;
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case ERROR_ACCESS_DENIED:
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class = EC_AccessDenied;
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action = SA_Abort;
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locus = EL_Disk;
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break;
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case ERROR_CANNOT_MAKE:
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class = EC_AccessDenied;
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action = SA_Abort;
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locus = EL_Unknown;
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break;
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case ERROR_DISK_FULL:
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case ERROR_HANDLE_DISK_FULL:
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class = EC_MediaError;
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action = SA_Abort;
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locus = EL_Disk;
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break;
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case ERROR_FILE_EXISTS:
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case ERROR_ALREADY_EXISTS:
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class = EC_Exists;
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action = SA_Abort;
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locus = EL_Disk;
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break;
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case ERROR_FILE_NOT_FOUND:
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class = EC_NotFound;
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action = SA_Abort;
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locus = EL_Disk;
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break;
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case ER_GeneralFailure:
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class = EC_SystemFailure;
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action = SA_Abort;
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locus = EL_Unknown;
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break;
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case ERROR_INVALID_DRIVE:
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class = EC_MediaError;
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action = SA_Abort;
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locus = EL_Disk;
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break;
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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;
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case ERROR_LOCK_VIOLATION:
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class = EC_AccessDenied;
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action = SA_Abort;
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locus = EL_Disk;
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break;
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case ERROR_NO_MORE_FILES:
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class = EC_MediaError;
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action = SA_Abort;
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locus = EL_Disk;
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break;
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case ER_NoNetwork:
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class = EC_NotFound;
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action = SA_Abort;
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locus = EL_Network;
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break;
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case ERROR_NOT_ENOUGH_MEMORY:
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class = EC_OutOfResource;
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action = SA_Abort;
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locus = EL_Memory;
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break;
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case ERROR_PATH_NOT_FOUND:
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class = EC_NotFound;
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action = SA_Abort;
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locus = EL_Disk;
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break;
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case ERROR_SEEK:
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class = EC_NotFound;
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action = SA_Ignore;
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locus = EL_Disk;
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break;
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case ERROR_SHARING_VIOLATION:
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class = EC_Temporary;
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action = SA_Retry;
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locus = EL_Disk;
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break;
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case ERROR_TOO_MANY_OPEN_FILES:
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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;
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default:
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FIXME("Unknown error %d\n", error );
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class = EC_SystemFailure;
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action = SA_Abort;
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locus = EL_Unknown;
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break;
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}
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TRACE("GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n",
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error, class, action, locus );
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SET_AX( context, error );
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SET_BH( context, class );
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SET_BL( context, action );
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SET_CH( context, locus );
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}
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/***********************************************************************
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* DOSVM_Int21Handler (WINEDOS16.133)
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*
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* int 21h handler. Most calls are passed directly to DOS3Call.
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* Interrupt 0x21 handler.
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*/
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void WINAPI DOSVM_Int21Handler( CONTEXT86 *context )
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{
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BYTE ascii;
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BOOL bSetDOSExtendedError = FALSE;
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if (DOSVM_IsWin16()) {
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INT_Int21Handler( context );
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return;
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}
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TRACE( "AX=%04x BX=%04x CX=%04x DX=%04x "
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"SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n",
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AX_reg(context), BX_reg(context),
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CX_reg(context), DX_reg(context),
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SI_reg(context), DI_reg(context),
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(WORD)context->SegDs, (WORD)context->SegEs,
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context->EFlags );
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RESET_CFLAG(context); /* Not sure if this is a good idea */
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/*
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* Extended error is used by (at least) functions 0x2f to 0x62.
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* Function 0x59 returns extended error and error should not
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* be cleared before handling the function.
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*/
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if (AH_reg(context) >= 0x2f && AH_reg(context) != 0x59)
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SetLastError(0);
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if(AH_reg(context) == 0x0c) /* FLUSH BUFFER AND READ STANDARD INPUT */
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{
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BYTE al = AL_reg(context); /* Input function to execute after flush. */
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/* FIXME: buffers are not flushed */
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/*
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* If AL is not one of 0x01, 0x06, 0x07, 0x08, or 0x0a,
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* the buffer is flushed but no input is attempted.
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*/
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if(al != 0x01 && al != 0x06 && al != 0x07 && al != 0x08 && al != 0x0a)
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return;
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SET_AH( context, al );
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}
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RESET_CFLAG(context); /* Not sure if this is a good idea. */
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switch(AH_reg(context))
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{
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case 0x00: /* TERMINATE PROGRAM */
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TRACE("TERMINATE PROGRAM\n");
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MZ_Exit( context, FALSE, 0 );
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if (DOSVM_IsWin16())
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ExitThread( 0 );
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else
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MZ_Exit( context, FALSE, 0 );
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break;
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case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
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TRACE("DIRECT CHARACTER INPUT WITH ECHO\n");
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DOSVM_Int16ReadChar(&ascii, NULL, FALSE);
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SET_AL( context, ascii );
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DOSVM_PutChar(AL_reg(context));
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{
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BYTE ascii;
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TRACE("DIRECT CHARACTER INPUT WITH ECHO\n");
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DOSVM_Int16ReadChar(&ascii, NULL, FALSE);
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SET_AL( context, ascii );
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DOSVM_PutChar(AL_reg(context));
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}
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break;
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case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
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@ -125,6 +248,12 @@ void WINAPI DOSVM_Int21Handler( CONTEXT86 *context )
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DOSVM_PutChar(DL_reg(context));
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break;
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case 0x03: /* READ CHARACTER FROM STDAUX */
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case 0x04: /* WRITE CHARACTER TO STDAUX */
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case 0x05: /* WRITE CHARACTER TO PRINTER */
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INT_BARF( context, 0x21 );
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break;
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case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
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/* FIXME: Use DOSDEV_Peek/Read/Write(DOSDEV_Console(),...) !! */
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if (DL_reg(context) == 0xff) {
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@ -136,6 +265,7 @@ void WINAPI DOSVM_Int21Handler( CONTEXT86 *context )
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RESET_ZFLAG(context);
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scan = 0;
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} else {
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BYTE ascii;
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if (DOSVM_Int16ReadChar(&ascii,&scan,TRUE)) {
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DOSVM_Int16ReadChar(&ascii,&scan,FALSE);
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/* return ASCII code */
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@ -157,20 +287,35 @@ void WINAPI DOSVM_Int21Handler( CONTEXT86 *context )
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break;
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case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
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/* FIXME: Use DOSDEV_Peek/Read(DOSDEV_Console(),...) !! */
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TRACE("DIRECT CHARACTER INPUT WITHOUT ECHO\n");
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DOSVM_Int16ReadChar(&ascii, NULL, FALSE);
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SET_AL( context, ascii );
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{
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BYTE ascii;
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/* FIXME: Use DOSDEV_Peek/Read(DOSDEV_Console(),...) !! */
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TRACE("DIRECT CHARACTER INPUT WITHOUT ECHO\n");
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DOSVM_Int16ReadChar(&ascii, NULL, FALSE);
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SET_AL( context, ascii );
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}
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break;
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case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
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/* FIXME: Use DOSDEV_Peek/Read(DOSDEV_Console(),...) !! */
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TRACE("CHARACTER INPUT WITHOUT ECHO\n");
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DOSVM_Int16ReadChar(&ascii, NULL, FALSE);
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SET_AL( context, ascii );
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{
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BYTE ascii;
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/* FIXME: Use DOSDEV_Peek/Read(DOSDEV_Console(),...) !! */
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TRACE("CHARACTER INPUT WITHOUT ECHO\n");
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DOSVM_Int16ReadChar(&ascii, NULL, FALSE);
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SET_AL( context, ascii );
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}
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break;
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case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
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INT_Int21Handler( context );
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break;
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case 0x0a: /* BUFFERED INPUT */
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INT_Int21Handler( context );
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break;
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case 0x0b: /* GET STDIN STATUS */
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TRACE( "GET STDIN STATUS\n" );
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{
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BIOSDATA *data = BIOS_DATA;
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if(data->FirstKbdCharPtr == data->NextKbdCharPtr)
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@ -180,23 +325,184 @@ void WINAPI DOSVM_Int21Handler( CONTEXT86 *context )
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}
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break;
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case 0x0c: /* FLUSH BUFFER AND READ STANDARD INPUT */
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{
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BYTE al = AL_reg(context); /* Input function to execute after flush. */
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TRACE( "FLUSH BUFFER AND READ STANDARD INPUT - 0x%02x\n", al );
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/* FIXME: buffers are not flushed */
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/*
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* If AL is one of 0x01, 0x06, 0x07, 0x08, or 0x0a,
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* int21 function identified by AL will be called.
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*/
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if(al == 0x01 || al == 0x06 || al == 0x07 || al == 0x08 || al == 0x0a)
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{
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SET_AH( context, al );
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DOSVM_Int21Handler( context );
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}
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}
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break;
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case 0x0d: /* DISK BUFFER FLUSH */
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TRACE("DISK BUFFER FLUSH ignored\n");
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RESET_CFLAG( context ); /* dos 6+ only */
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break;
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case 0x0e: /* SELECT DEFAULT DRIVE */
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INT_Int21Handler( context );
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break;
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case 0x0f: /* OPEN FILE USING FCB */
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case 0x10: /* CLOSE FILE USING FCB */
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INT_BARF( context, 0x21 );
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break;
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case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
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case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
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case 0x13: /* DELETE FILE USING FCB */
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INT_Int21Handler( context );
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break;
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case 0x14: /* SEQUENTIAL READ FROM FCB FILE */
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case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */
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case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */
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INT_BARF( context, 0x21 );
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break;
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case 0x17: /* RENAME FILE USING FCB */
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INT_Int21Handler( context );
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break;
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case 0x18: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
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SET_AL( context, 0 );
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break;
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case 0x19: /* GET CURRENT DEFAULT DRIVE */
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case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */
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case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */
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case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */
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INT_Int21Handler( context );
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break;
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case 0x1d: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
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case 0x1e: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
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SET_AL( context, 0 );
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break;
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case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */
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INT_Int21Handler( context );
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break;
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case 0x20: /* NULL FUNCTION FOR CP/M COMPATIBILITY */
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SET_AL( context, 0 );
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break;
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case 0x21: /* READ RANDOM RECORD FROM FCB FILE */
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case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */
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case 0x23: /* GET FILE SIZE FOR FCB */
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case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */
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INT_BARF( context, 0x21 );
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break;
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case 0x25: /* SET INTERRUPT VECTOR */
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DOSVM_SetRMHandler( AL_reg(context),
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(FARPROC16)MAKESEGPTR( context->SegDs, DX_reg(context)));
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TRACE("SET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
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{
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FARPROC16 ptr = (FARPROC16)MAKESEGPTR( context->SegDs, DX_reg(context) );
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if (DOSVM_IsWin16())
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DOSVM_SetPMHandler16( AL_reg(context), ptr );
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else
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DOSVM_SetRMHandler( AL_reg(context), ptr );
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}
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break;
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case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
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case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
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case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
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INT_BARF( context, 0x21 );
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break;
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case 0x29: /* PARSE FILENAME INTO FCB */
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case 0x2a: /* GET SYSTEM DATE */
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INT_Int21Handler( context );
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break;
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case 0x2b: /* SET SYSTEM DATE */
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FIXME("SetSystemDate(%02d/%02d/%04d): not allowed\n",
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DL_reg(context), DH_reg(context), CX_reg(context) );
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SET_AL( context, 0 ); /* Let's pretend we succeeded */
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break;
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case 0x2c: /* GET SYSTEM TIME */
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INT_Int21Handler( context );
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break;
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case 0x2d: /* SET SYSTEM TIME */
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FIXME("SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n",
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CH_reg(context), CL_reg(context),
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DH_reg(context), DL_reg(context) );
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SET_AL( context, 0 ); /* Let's pretend we succeeded */
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break;
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case 0x2e: /* SET VERIFY FLAG */
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TRACE("SET VERIFY FLAG ignored\n");
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/* we cannot change the behaviour anyway, so just ignore it */
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break;
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case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
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case 0x30: /* GET DOS VERSION */
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INT_Int21Handler( context );
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break;
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case 0x31: /* TERMINATE AND STAY RESIDENT */
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FIXME("TERMINATE AND STAY RESIDENT stub\n");
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break;
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case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */
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case 0x33: /* MULTIPLEXED */
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case 0x34: /* GET ADDRESS OF INDOS FLAG */
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INT_Int21Handler( context );
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break;
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case 0x35: /* GET INTERRUPT VECTOR */
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TRACE("GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
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{
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FARPROC16 addr = DOSVM_GetRMHandler( AL_reg(context) );
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FARPROC16 addr;
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if (DOSVM_IsWin16())
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addr = DOSVM_GetPMHandler16( AL_reg(context) );
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else
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addr = DOSVM_GetRMHandler( AL_reg(context) );
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context->SegEs = SELECTOROF(addr);
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SET_BX( context, OFFSETOF(addr) );
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}
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break;
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case 0x40: /* WRITE TO FILE OR DEVICE */
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case 0x36: /* GET FREE DISK SPACE */
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case 0x37: /* SWITCHAR */
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INT_Int21Handler( context );
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break;
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case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
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TRACE( "GET COUNTRY-SPECIFIC INFORMATION for country 0x%02x\n",
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AL_reg(context) );
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SET_AX( context, 0x02 ); /* no country support available */
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SET_CFLAG( context );
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break;
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case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
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case 0x3a: /* "RMDIR" - REMOVE SUBDIRECTORY */
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case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */
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case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */
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case 0x3d: /* "OPEN" - OPEN EXISTING FILE */
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case 0x3e: /* "CLOSE" - CLOSE FILE */
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case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */
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INT_Int21Handler( context );
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break;
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|
||||
case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */
|
||||
/* Writes to stdout are handled here. */
|
||||
if (BX_reg(context) == 1) {
|
||||
if (!DOSVM_IsWin16() && BX_reg(context) == 1) {
|
||||
BYTE *ptr = CTX_SEG_OFF_TO_LIN(context,
|
||||
context->SegDs,
|
||||
context->Edx);
|
||||
|
|
@ -208,11 +514,31 @@ void WINAPI DOSVM_Int21Handler( CONTEXT86 *context )
|
|||
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 */
|
||||
DOSVM_Int21Handler_Ioctl( context );
|
||||
INT21_Ioctl( context );
|
||||
break;
|
||||
|
||||
case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */
|
||||
case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */
|
||||
case 0x47: /* "CWD" - GET CURRENT DIRECTORY */
|
||||
case 0x48: /* ALLOCATE MEMORY */
|
||||
case 0x49: /* FREE MEMORY */
|
||||
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) ))
|
||||
|
|
@ -223,8 +549,11 @@ void WINAPI DOSVM_Int21Handler( CONTEXT86 *context )
|
|||
break;
|
||||
|
||||
case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
|
||||
TRACE("EXIT with return code %d\n",AL_reg(context));
|
||||
MZ_Exit( context, FALSE, AL_reg(context) );
|
||||
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 */
|
||||
|
|
@ -233,12 +562,22 @@ void WINAPI DOSVM_Int21Handler( CONTEXT86 *context )
|
|||
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 */
|
||||
if (DOSVM_IsWin16()) {
|
||||
INT_Int21Handler( context );
|
||||
break;
|
||||
}
|
||||
|
||||
TRACE("GET CURRENT PROCESS ID (GET PSP ADDRESS)\n");
|
||||
/* FIXME: should we return the original DOS PSP upon */
|
||||
/* Windows startup ? */
|
||||
|
|
@ -247,20 +586,104 @@ void WINAPI DOSVM_Int21Handler( CONTEXT86 *context )
|
|||
|
||||
case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
|
||||
TRACE("SYSVARS - GET LIST OF LISTS\n");
|
||||
if (DOSVM_IsWin16())
|
||||
{
|
||||
FIXME("LOLSeg broken for now\n");
|
||||
context->SegEs = 0;
|
||||
SET_BX( context, 0 );
|
||||
}
|
||||
else
|
||||
{
|
||||
context->SegEs = HIWORD(DOS_LOLSeg);
|
||||
SET_BX( context, FIELD_OFFSET(DOS_LISTOFLISTS, ptr_first_DPB) );
|
||||
}
|
||||
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 */
|
||||
case 0x58: /* GET OR SET MEMORY/UMB ALLOCATION STRATEGY */
|
||||
INT_Int21Handler( context );
|
||||
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 */
|
||||
case 0x61: /* UNUSED */
|
||||
INT_Int21Handler( context );
|
||||
break;
|
||||
|
||||
case 0x62: /* GET PSP ADDRESS */
|
||||
if (DOSVM_IsWin16()) {
|
||||
INT_Int21Handler( context );
|
||||
break;
|
||||
}
|
||||
|
||||
TRACE("GET CURRENT PSP ADDRESS\n");
|
||||
/* FIXME: should we return the original DOS PSP upon */
|
||||
/* Windows startup ? */
|
||||
SET_BX( context, DOSVM_psp );
|
||||
break;
|
||||
|
||||
default:
|
||||
case 0x63: /* MISC. LANGUAGE SUPPORT */
|
||||
case 0x64: /* OS/2 DOS BOX */
|
||||
case 0x65: /* GET EXTENDED COUNTRY INFORMATION */
|
||||
case 0x66: /* GLOBAL CODE PAGE TABLE */
|
||||
case 0x67: /* SET HANDLE COUNT */
|
||||
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 );
|
||||
}
|
||||
|
|
|
|||
263
msdos/int21.c
263
msdos/int21.c
|
|
@ -1004,120 +1004,6 @@ static void ASPI_DOS_HandleInt( CONTEXT86 *context )
|
|||
Dosvm.ASPIHandler( context );
|
||||
}
|
||||
|
||||
/***********************************************************************
|
||||
* 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 );
|
||||
}
|
||||
|
||||
/***********************************************************************
|
||||
* INT_Int21Handler
|
||||
|
|
@ -1126,67 +1012,8 @@ void WINAPI INT_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 );
|
||||
|
||||
|
||||
if (AH_reg(context) == 0x59) /* Get extended error info */
|
||||
{
|
||||
INT21_GetExtendedError( context );
|
||||
return;
|
||||
}
|
||||
|
||||
if (AH_reg(context) == 0x0C) /* Flush buffer and read standard input */
|
||||
{
|
||||
TRACE("FLUSH BUFFER AND READ STANDARD INPUT\n");
|
||||
/* no flush here yet */
|
||||
SET_AH( context, AL_reg(context) );
|
||||
}
|
||||
|
||||
if (AH_reg(context)>=0x2f) {
|
||||
/* extended error is used by (at least) functions 0x2f to 0x62 */
|
||||
SetLastError(0);
|
||||
}
|
||||
RESET_CFLAG(context); /* Not sure if this is a good idea */
|
||||
|
||||
switch(AH_reg(context))
|
||||
{
|
||||
case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */
|
||||
case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */
|
||||
case 0x03: /* READ CHARACTER FROM STDAUX */
|
||||
case 0x04: /* WRITE CHARACTER TO STDAUX */
|
||||
case 0x05: /* WRITE CHARACTER TO PRINTER */
|
||||
case 0x06: /* DIRECT CONSOLE IN/OUTPUT */
|
||||
case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */
|
||||
case 0x08: /* CHARACTER INPUT WITHOUT ECHO */
|
||||
case 0x0b: /* GET STDIN STATUS */
|
||||
case 0x0f: /* OPEN FILE USING FCB */
|
||||
case 0x10: /* CLOSE 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 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 */
|
||||
case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */
|
||||
case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */
|
||||
case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */
|
||||
case 0x4d: /* GET RETURN CODE */
|
||||
case 0x50: /* SET CURRENT PROCESS ID (SET PSP ADDRESS) */
|
||||
INT_BARF( context, 0x21 );
|
||||
break;
|
||||
|
||||
case 0x00: /* TERMINATE PROGRAM */
|
||||
TRACE("TERMINATE PROGRAM\n");
|
||||
ExitThread( 0 );
|
||||
break;
|
||||
|
||||
case 0x09: /* WRITE STRING TO STANDARD OUTPUT */
|
||||
TRACE("WRITE '$'-terminated string from %04lX:%04X to stdout\n",
|
||||
context->SegDs,DX_reg(context) );
|
||||
|
|
@ -1218,28 +1045,10 @@ void WINAPI INT_Int21Handler( CONTEXT86 *context )
|
|||
break;
|
||||
}
|
||||
|
||||
case 0x2e: /* SET VERIFY FLAG */
|
||||
TRACE("SET VERIFY FLAG ignored\n");
|
||||
/* we cannot change the behaviour anyway, so just ignore it */
|
||||
break;
|
||||
|
||||
case 0x18: /* NULL FUNCTIONS FOR CP/M COMPATIBILITY */
|
||||
case 0x1d:
|
||||
case 0x1e:
|
||||
case 0x20:
|
||||
case 0x6b: /* NULL FUNCTION */
|
||||
SET_AL( context, 0 );
|
||||
break;
|
||||
|
||||
case 0x5c: /* "FLOCK" - RECORD LOCKING */
|
||||
fLock(context);
|
||||
break;
|
||||
|
||||
case 0x0d: /* DISK BUFFER FLUSH */
|
||||
TRACE("DISK BUFFER FLUSH ignored\n");
|
||||
RESET_CFLAG(context); /* dos 6+ only */
|
||||
break;
|
||||
|
||||
case 0x0e: /* SELECT DEFAULT DRIVE */
|
||||
TRACE("SELECT DEFAULT DRIVE %d\n", DL_reg(context));
|
||||
DRIVE_SetCurrentDrive( DL_reg(context) );
|
||||
|
|
@ -1293,10 +1102,6 @@ void WINAPI INT_Int21Handler( CONTEXT86 *context )
|
|||
GetDrivePB(context, DRIVE_GetCurrentDrive());
|
||||
break;
|
||||
|
||||
case 0x25: /* SET INTERRUPT VECTOR */
|
||||
FIXME("set interrupt vector - move to winedos...");
|
||||
break;
|
||||
|
||||
case 0x29: /* PARSE FILENAME INTO FCB */
|
||||
INT21_ParseFileNameIntoFCB(context);
|
||||
break;
|
||||
|
|
@ -1305,23 +1110,10 @@ void WINAPI INT_Int21Handler( CONTEXT86 *context )
|
|||
INT21_GetSystemDate(context);
|
||||
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 */
|
||||
INT21_GetSystemTime(context);
|
||||
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 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
|
||||
TRACE("GET DISK TRANSFER AREA ADDRESS\n");
|
||||
{
|
||||
|
|
@ -1344,10 +1136,6 @@ void WINAPI INT_Int21Handler( CONTEXT86 *context )
|
|||
SET_CX( context, 0x0000 );
|
||||
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 */
|
||||
TRACE("GET DOS DRIVE PARAMETER BLOCK FOR DRIVE %s\n",
|
||||
INT21_DriveName( DL_reg(context)));
|
||||
|
|
@ -1410,16 +1198,6 @@ void WINAPI INT_Int21Handler( CONTEXT86 *context )
|
|||
SET_BX( context, (int)&heap->InDosFlag - (int)heap );
|
||||
break;
|
||||
|
||||
case 0x35: /* GET INTERRUPT VECTOR */
|
||||
TRACE("GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context));
|
||||
{
|
||||
FARPROC16 addr = 0;
|
||||
FIXME("get interrupt vector - move to winedos...\n");
|
||||
context->SegEs = SELECTOROF(addr);
|
||||
SET_BX( context, OFFSETOF(addr) );
|
||||
}
|
||||
break;
|
||||
|
||||
case 0x36: /* GET FREE DISK SPACE */
|
||||
TRACE("GET FREE DISK SPACE FOR DRIVE %s\n",
|
||||
INT21_DriveName( DL_reg(context)));
|
||||
|
|
@ -1448,13 +1226,6 @@ void WINAPI INT_Int21Handler( CONTEXT86 *context )
|
|||
break;
|
||||
}
|
||||
|
||||
case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */
|
||||
TRACE("GET COUNTRY-SPECIFIC INFORMATION for country 0x%02x\n",
|
||||
AL_reg(context));
|
||||
SET_AX( context, 0x02 ); /* no country support available */
|
||||
SET_CFLAG(context);
|
||||
break;
|
||||
|
||||
case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */
|
||||
TRACE("MKDIR %s\n",
|
||||
(LPCSTR)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx));
|
||||
|
|
@ -1808,11 +1579,6 @@ void WINAPI INT_Int21Handler( CONTEXT86 *context )
|
|||
if (AX_reg(context) < 32) SET_CFLAG(context);
|
||||
break;
|
||||
|
||||
case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */
|
||||
TRACE("EXIT with return code %d\n",AL_reg(context));
|
||||
ExitThread( AL_reg(context) );
|
||||
break;
|
||||
|
||||
case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
|
||||
TRACE("FINDFIRST mask 0x%04x spec %s\n",CX_reg(context),
|
||||
(LPCSTR)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx));
|
||||
|
|
@ -1841,24 +1607,6 @@ void WINAPI INT_Int21Handler( CONTEXT86 *context )
|
|||
SET_BX( context, GetCurrentPDB16() );
|
||||
break;
|
||||
|
||||
case 0x52: /* "SYSVARS" - GET LIST OF LISTS */
|
||||
TRACE("SYSVARS - GET LIST OF LISTS\n");
|
||||
#if 0
|
||||
{
|
||||
context->SegEs = LOWORD(DOS_LOLSeg);
|
||||
SET_BX( context, FIELD_OFFSET(DOS_LISTOFLISTS, ptr_first_DPB) );
|
||||
}
|
||||
#endif
|
||||
FIXME("LOLSeg broken for now\n");
|
||||
context->SegEs = 0;
|
||||
SET_BX( context, 0 );
|
||||
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 */
|
||||
TRACE("RENAME %s to %s\n",
|
||||
(LPCSTR)CTX_SEG_OFF_TO_LIN(context, context->SegDs,context->Edx),
|
||||
|
|
@ -2381,7 +2129,6 @@ void WINAPI INT_Int21Handler( CONTEXT86 *context )
|
|||
|
||||
break;
|
||||
|
||||
|
||||
case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */
|
||||
case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */
|
||||
break;
|
||||
|
|
@ -2397,14 +2144,4 @@ void WINAPI INT_Int21Handler( CONTEXT86 *context )
|
|||
SET_AX( context, GetLastError() );
|
||||
SET_CFLAG(context);
|
||||
}
|
||||
|
||||
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);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue