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diff --git a/board/MAI/bios_emulator/scitech/src/common/agplib.c b/board/MAI/bios_emulator/scitech/src/common/agplib.c
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--- a/board/MAI/bios_emulator/scitech/src/common/agplib.c
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-/****************************************************************************
-*
-* SciTech Nucleus Graphics Architecture
-*
-* Copyright (C) 1991-1998 SciTech Software, Inc.
-* All rights reserved.
-*
-* ======================================================================
-* |REMOVAL OR MODIFICATION OF THIS HEADER IS STRICTLY PROHIBITED BY LAW|
-* | |
-* |This copyrighted computer code contains proprietary technology |
-* |owned by SciTech Software, Inc., located at 505 Wall Street, |
-* |Chico, CA 95928 USA (http://www.scitechsoft.com). |
-* | |
-* |The contents of this file are subject to the SciTech Nucleus |
-* |License; you may *not* use this file or related software except in |
-* |compliance with the License. You may obtain a copy of the License |
-* |at http://www.scitechsoft.com/nucleus-license.txt |
-* | |
-* |Software distributed under the License is distributed on an |
-* |"AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or |
-* |implied. See the License for the specific language governing |
-* |rights and limitations under the License. |
-* | |
-* |REMOVAL OR MODIFICATION OF THIS HEADER IS STRICTLY PROHIBITED BY LAW|
-* ======================================================================
-*
-* Language: ANSI C
-* Environment: Any 32-bit protected mode environment
-*
-* Description: C module for the Graphics Accelerator Driver API. Uses
-* the SciTech PM library for interfacing with DOS
-* extender specific functions.
-*
-****************************************************************************/
-
-#include "nucleus/graphics.h"
-#include "nucleus/agp.h"
-
-/*---------------------------- Global Variables ---------------------------*/
-
-#ifndef DEBUG_AGP_DRIVER
-static AGP_exports _AGP_exports;
-static int loaded = false;
-static PE_MODULE *hModBPD = NULL;
-
-static N_imports _N_imports = {
- sizeof(N_imports),
- _OS_delay,
- };
-
-static AGP_imports _AGP_imports = {
- sizeof(AGP_imports),
- };
-#endif
-
-#include "pmimp.h"
-
-/*----------------------------- Implementation ----------------------------*/
-
-#define DLL_NAME "agp.bpd"
-
-#ifndef DEBUG_AGP_DRIVER
-/****************************************************************************
-REMARKS:
-Fatal error handler for non-exported GA_exports.
-****************************************************************************/
-static void _AGP_fatalErrorHandler(void)
-{
- PM_fatalError("Unsupported AGP export function called! Please upgrade your copy of AGP!\n");
-}
-
-/****************************************************************************
-PARAMETERS:
-shared - True to load the driver into shared memory.
-
-REMARKS:
-Loads the Nucleus binary portable DLL into memory and initilises it.
-****************************************************************************/
-static ibool LoadDriver(void)
-{
- AGP_initLibrary_t AGP_initLibrary;
- AGP_exports *agpExp;
- char filename[PM_MAX_PATH];
- char bpdpath[PM_MAX_PATH];
- int i,max;
- ulong *p;
-
- /* Check if we have already loaded the driver */
- if (loaded)
- return true;
- PM_init();
-
- /* Open the BPD file */
- if (!PM_findBPD(DLL_NAME,bpdpath))
- return false;
- strcpy(filename,bpdpath);
- strcat(filename,DLL_NAME);
- if ((hModBPD = PE_loadLibrary(filename,false)) == NULL)
- return false;
- if ((AGP_initLibrary = (AGP_initLibrary_t)PE_getProcAddress(hModBPD,"_AGP_initLibrary")) == NULL)
- return false;
- bpdpath[strlen(bpdpath)-1] = 0;
- if (strcmp(bpdpath,PM_getNucleusPath()) == 0)
- strcpy(bpdpath,PM_getNucleusConfigPath());
- else {
- PM_backslash(bpdpath);
- strcat(bpdpath,"config");
- }
- if ((agpExp = AGP_initLibrary(bpdpath,filename,GA_getSystemPMImports(),&_N_imports,&_AGP_imports)) == NULL)
- PM_fatalError("AGP_initLibrary failed!\n");
- _AGP_exports.dwSize = sizeof(_AGP_exports);
- max = sizeof(_AGP_exports)/sizeof(AGP_initLibrary_t);
- for (i = 0,p = (ulong*)&_AGP_exports; i < max; i++)
- *p++ = (ulong)_AGP_fatalErrorHandler;
- memcpy(&_AGP_exports,agpExp,MIN(sizeof(_AGP_exports),agpExp->dwSize));
- loaded = true;
- return true;
-}
-
-/* The following are stub entry points that the application calls to
- * initialise the Nucleus loader library, and we use this to load our
- * driver DLL from disk and initialise the library using it.
- */
-
-/* {secret} */
-int NAPI AGP_status(void)
-{
- if (!loaded)
- return nDriverNotFound;
- return _AGP_exports.AGP_status();
-}
-
-/* {secret} */
-const char * NAPI AGP_errorMsg(
- N_int32 status)
-{
- if (!loaded)
- return "Unable to load Nucleus device driver!";
- return _AGP_exports.AGP_errorMsg(status);
-}
-
-/* {secret} */
-AGP_devCtx * NAPI AGP_loadDriver(N_int32 deviceIndex)
-{
- if (!LoadDriver())
- return NULL;
- return _AGP_exports.AGP_loadDriver(deviceIndex);
-}
-
-/* {secret} */
-void NAPI AGP_unloadDriver(
- AGP_devCtx *dc)
-{
- if (loaded)
- _AGP_exports.AGP_unloadDriver(dc);
-}
-
-/* {secret} */
-void NAPI AGP_getGlobalOptions(
- AGP_globalOptions *options)
-{
- if (LoadDriver())
- _AGP_exports.AGP_getGlobalOptions(options);
-}
-
-/* {secret} */
-void NAPI AGP_setGlobalOptions(
- AGP_globalOptions *options)
-{
- if (LoadDriver())
- _AGP_exports.AGP_setGlobalOptions(options);
-}
-
-/* {secret} */
-void NAPI AGP_saveGlobalOptions(
- AGP_globalOptions *options)
-{
- if (loaded)
- _AGP_exports.AGP_saveGlobalOptions(options);
-}
-#endif
-
-/* {secret} */
-void NAPI _OS_delay8253(N_uint32 microSeconds);
-
-/****************************************************************************
-REMARKS:
-This function delays for the specified number of microseconds
-****************************************************************************/
-void NAPI _OS_delay(
- N_uint32 microSeconds)
-{
- static ibool inited = false;
- static ibool haveRDTSC;
- LZTimerObject tm;
-
- if (!inited) {
-#ifndef __WIN32_VXD__
- /* This has been causing problems in VxD's for some reason, so for now */
- /* we avoid using it. */
- if (_GA_haveCPUID() && (_GA_getCPUIDFeatures() & CPU_HaveRDTSC) != 0) {
- ZTimerInit();
- haveRDTSC = true;
- }
- else
-#endif
- haveRDTSC = false;
- inited = true;
- }
- if (haveRDTSC) {
- LZTimerOnExt(&tm);
- while (LZTimerLapExt(&tm) < microSeconds)
- ;
- LZTimerOnExt(&tm);
- }
- else
- _OS_delay8253(microSeconds);
-}
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