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diff --git a/board/MAI/bios_emulator/scitech/src/common/aalib.c b/board/MAI/bios_emulator/scitech/src/common/aalib.c
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index 5003b22291..0000000000
--- a/board/MAI/bios_emulator/scitech/src/common/aalib.c
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-/****************************************************************************
-*
-* SciTech Nucleus Audio 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/audio.h"
-#ifdef __WIN32_VXD__
-#include "sdd/sddhelp.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#endif
-
-/*---------------------------- Global Variables ---------------------------*/
-
-#ifdef TEST_HARNESS
-extern PM_imports _VARAPI _PM_imports;
-#else
-AA_exports _VARAPI _AA_exports;
-static int loaded = false;
-static PE_MODULE *hModBPD = NULL;
-
-#ifdef __DRIVER__
-extern PM_imports _PM_imports;
-#else
-#include "pmimp.h"
-#endif
-
-static N_imports _N_imports = {
- sizeof(N_imports),
- _OS_delay,
- };
-
-#ifdef __DRIVER__
-extern AA_imports _AA_imports;
-#else
-static AA_imports _AA_imports = {
- sizeof(AA_imports),
- };
-#endif
-#endif
-
-/*----------------------------- Implementation ----------------------------*/
-
-#define DLL_NAME "audio.bpd"
-
-#ifndef TEST_HARNESS
-/****************************************************************************
-REMARKS:
-Fatal error handler for non-exported AA_exports.
-****************************************************************************/
-static void _AA_fatalErrorHandler(void)
-{
- PM_fatalError("Unsupported Nucleus export function called! Please upgrade your copy of Nucleus!\n");
-}
-
-/****************************************************************************
-REMARKS:
-Loads the Nucleus binary portable DLL into memory and initilises it.
-****************************************************************************/
-static ibool LoadDriver(void)
-{
- AA_initLibrary_t AA_initLibrary;
- AA_exports *aaExp;
- 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();
- _AA_exports.dwSize = sizeof(_AA_exports);
-
- /* 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 ((AA_initLibrary = (AA_initLibrary_t)PE_getProcAddress(hModBPD,"_AA_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 ((aaExp = AA_initLibrary(bpdpath,filename,&_PM_imports,&_N_imports,&_AA_imports)) == NULL)
- PM_fatalError("AA_initLibrary failed!\n");
-
- /* Initialize all default imports to point to fatal error handler
- * for upwards compatibility, and copy the exported functions.
- */
- max = sizeof(_AA_exports)/sizeof(AA_initLibrary_t);
- for (i = 0,p = (ulong*)&_AA_exports; i < max; i++)
- *p++ = (ulong)_AA_fatalErrorHandler;
- memcpy(&_AA_exports,aaExp,MIN(sizeof(_AA_exports),aaExp->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 AA_status(void)
-{
- if (!loaded)
- return nDriverNotFound;
- return _AA_exports.AA_status();
-}
-
-/* {secret} */
-const char * NAPI AA_errorMsg(
- N_int32 status)
-{
- if (!loaded)
- return "Unable to load Nucleus device driver!";
- return _AA_exports.AA_errorMsg(status);
-}
-
-/* {secret} */
-int NAPI AA_getDaysLeft(void)
-{
- if (!LoadDriver())
- return -1;
- return _AA_exports.AA_getDaysLeft();
-}
-
-/* {secret} */
-int NAPI AA_registerLicense(uchar *license)
-{
- if (!LoadDriver())
- return 0;
- return _AA_exports.AA_registerLicense(license);
-}
-
-/* {secret} */
-int NAPI AA_enumerateDevices(void)
-{
- if (!LoadDriver())
- return 0;
- return _AA_exports.AA_enumerateDevices();
-}
-
-/* {secret} */
-AA_devCtx * NAPI AA_loadDriver(N_int32 deviceIndex)
-{
- if (!LoadDriver())
- return NULL;
- return _AA_exports.AA_loadDriver(deviceIndex);
-}
-#endif
-
-typedef struct {
- N_uint32 low;
- N_uint32 high;
- } AA_largeInteger;
-
-void NAPI _OS_delay8253(N_uint32 microSeconds);
-ibool NAPI _GA_haveCPUID(void);
-uint NAPI _GA_getCPUIDFeatures(void);
-void NAPI _GA_readTimeStamp(AA_largeInteger *time);
-#define CPU_HaveRDTSC 0x00000010
-
-/****************************************************************************
-REMARKS:
-This function delays for the specified number of microseconds
-****************************************************************************/
-void NAPI _OS_delay(
- N_uint32 microSeconds)
-{
- static ibool inited = false;
- LZTimerObject tm;
-
- if (_GA_haveCPUID() && (_GA_getCPUIDFeatures() & CPU_HaveRDTSC) != 0) {
- if (!inited) {
- ZTimerInit();
- inited = true;
- }
- LZTimerOnExt(&tm);
- while (LZTimerLapExt(&tm) < microSeconds)
- ;
- LZTimerOnExt(&tm);
- }
- else
- _OS_delay8253(microSeconds);
-}
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