Sweden-Number/dlls/winedos/ioports.c

69 lines
1.8 KiB
C

/*
* Emulation of processor ioports.
*
* Copyright 1995 Morten Welinder
* Copyright 1998 Andreas Mohr, Ove Kaaven
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "windef.h"
#include "dosexe.h"
#include "vga.h"
/**********************************************************************
* DOSVM_inport
*/
BOOL WINAPI DOSVM_inport( int port, int size, DWORD *res )
{
switch (port)
{
case 0x60:
*res = DOSVM_Int09ReadScan(NULL);
break;
case 0x3ba:
case 0x3da:
*res = (DWORD)VGA_ioport_in( port );
break;
default:
return FALSE; /* not handled */
}
return TRUE; /* handled */
}
/**********************************************************************
* DOSVM_outport
*/
BOOL WINAPI DOSVM_outport( int port, int size, DWORD value )
{
switch (port)
{
case 0x20:
DOSVM_PIC_ioport_out( port, (BYTE)value );
break;
case 0x3c8:
case 0x3c9:
VGA_ioport_out( port, (BYTE)value );
break;
default:
return FALSE; /* not handled */
}
return TRUE; /* handled */
}