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diff --git a/board/MAI/bios_emulator/scitech/src/biosemu/besys.c b/board/MAI/bios_emulator/scitech/src/biosemu/besys.c
deleted file mode 100644
index 1512ce9bf9..0000000000
--- a/board/MAI/bios_emulator/scitech/src/biosemu/besys.c
+++ /dev/null
@@ -1,408 +0,0 @@
-/****************************************************************************
-*
-* BIOS emulator and interface
-* to Realmode X86 Emulator Library
-*
-* Copyright (C) 1996-1999 SciTech Software, Inc.
-*
-* ========================================================================
-*
-* Permission to use, copy, modify, distribute, and sell this software and
-* its documentation for any purpose is hereby granted without fee,
-* provided that the above copyright notice appear in all copies and that
-* both that copyright notice and this permission notice appear in
-* supporting documentation, and that the name of the authors not be used
-* in advertising or publicity pertaining to distribution of the software
-* without specific, written prior permission. The authors makes no
-* representations about the suitability of this software for any purpose.
-* It is provided "as is" without express or implied warranty.
-*
-* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
-* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
-* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
-* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
-* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
-* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
-* PERFORMANCE OF THIS SOFTWARE.
-*
-* ========================================================================
-*
-* Language: ANSI C
-* Environment: Any
-* Developer: Kendall Bennett
-*
-* Description: This file includes BIOS emulator I/O and memory access
-* functions.
-*
-****************************************************************************/
-
-#include "biosemui.h"
-
-/*------------------------------- Macros ----------------------------------*/
-
-/* Macros to read and write values to x86 bus memory. Replace these as
- * necessary if you need to do something special to access memory over
- * the bus on a particular processor family.
- */
-
-#define readb(base,off) *((u8*)((u32)(base) + (off)))
-#define readw(base,off) *((u16*)((u32)(base) + (off)))
-#define readl(base,off) *((u32*)((u32)(base) + (off)))
-#define writeb(v,base,off) *((u8*)((u32)(base) + (off))) = (v)
-#define writew(v,base,off) *((u16*)((u32)(base) + (off))) = (v)
-#define writel(v,base,off) *((u32*)((u32)(base) + (off))) = (v)
-
-/*----------------------------- Implementation ----------------------------*/
-
-#ifdef DEBUG
-# define DEBUG_MEM() (M.x86.debug & DEBUG_MEM_TRACE_F)
-#else
-# define DEBUG_MEM()
-#endif
-
-/****************************************************************************
-PARAMETERS:
-addr - Emulator memory address to read
-
-RETURNS:
-Byte value read from emulator memory.
-
-REMARKS:
-Reads a byte value from the emulator memory. We have three distinct memory
-regions that are handled differently, which this function handles.
-****************************************************************************/
-u8 X86API BE_rdb(
- u32 addr)
-{
- u8 val = 0;
-
- if (addr >= 0xC0000 && addr <= _BE_env.biosmem_limit) {
- val = *(u8*)(_BE_env.biosmem_base + addr - 0xC0000);
- }
- else if (addr >= 0xA0000 && addr <= 0xFFFFF) {
- val = readb(_BE_env.busmem_base, addr - 0xA0000);
- }
- else if (addr > M.mem_size - 1) {
-DB( printk("mem_read: address %#lx out of range!\n", addr);)
- HALT_SYS();
- }
- else {
- val = *(u8*)(M.mem_base + addr);
- }
-DB( if (DEBUG_MEM())
- printk("%#08x 1 -> %#x\n", addr, val);)
- return val;
-}
-
-/****************************************************************************
-PARAMETERS:
-addr - Emulator memory address to read
-
-RETURNS:
-Word value read from emulator memory.
-
-REMARKS:
-Reads a word value from the emulator memory. We have three distinct memory
-regions that are handled differently, which this function handles.
-****************************************************************************/
-u16 X86API BE_rdw(
- u32 addr)
-{
- u16 val = 0;
-
- if (addr >= 0xC0000 && addr <= _BE_env.biosmem_limit) {
-#ifdef __BIG_ENDIAN__
- if (addr & 0x1) {
- addr -= 0xC0000;
- val = ( *(u8*)(_BE_env.biosmem_base + addr) |
- (*(u8*)(_BE_env.biosmem_base + addr + 1) << 8));
- }
- else
-#endif
- val = *(u16*)(_BE_env.biosmem_base + addr - 0xC0000);
- }
- else if (addr >= 0xA0000 && addr <= 0xFFFFF) {
-#ifdef __BIG_ENDIAN__
- if (addr & 0x1) {
- addr -= 0xA0000;
- val = ( readb(_BE_env.busmem_base, addr) |
- (readb(_BE_env.busmem_base, addr + 1) << 8));
- }
- else
-#endif
- val = readw(_BE_env.busmem_base, addr - 0xA0000);
- }
- else if (addr > M.mem_size - 2) {
-DB( printk("mem_read: address %#lx out of range!\n", addr);)
- HALT_SYS();
- }
- else {
-#ifdef __BIG_ENDIAN__
- if (addr & 0x1) {
- val = ( *(u8*)(M.mem_base + addr) |
- (*(u8*)(M.mem_base + addr + 1) << 8));
- }
- else
-#endif
- val = *(u16*)(M.mem_base + addr);
- }
-DB( if (DEBUG_MEM())
- printk("%#08x 2 -> %#x\n", addr, val);)
- return val;
-}
-
-/****************************************************************************
-PARAMETERS:
-addr - Emulator memory address to read
-
-RETURNS:
-Long value read from emulator memory.
-
-REMARKS:
-Reads a long value from the emulator memory. We have three distinct memory
-regions that are handled differently, which this function handles.
-****************************************************************************/
-u32 X86API BE_rdl(
- u32 addr)
-{
- u32 val = 0;
-
- if (addr >= 0xC0000 && addr <= _BE_env.biosmem_limit) {
-#ifdef __BIG_ENDIAN__
- if (addr & 0x3) {
- addr -= 0xC0000;
- val = ( *(u8*)(_BE_env.biosmem_base + addr + 0) |
- (*(u8*)(_BE_env.biosmem_base + addr + 1) << 8) |
- (*(u8*)(_BE_env.biosmem_base + addr + 2) << 16) |
- (*(u8*)(_BE_env.biosmem_base + addr + 3) << 24));
- }
- else
-#endif
- val = *(u32*)(_BE_env.biosmem_base + addr - 0xC0000);
- }
- else if (addr >= 0xA0000 && addr <= 0xFFFFF) {
-#ifdef __BIG_ENDIAN__
- if (addr & 0x3) {
- addr -= 0xA0000;
- val = ( readb(_BE_env.busmem_base, addr) |
- (readb(_BE_env.busmem_base, addr + 1) << 8) |
- (readb(_BE_env.busmem_base, addr + 2) << 16) |
- (readb(_BE_env.busmem_base, addr + 3) << 24));
- }
- else
-#endif
- val = readl(_BE_env.busmem_base, addr - 0xA0000);
- }
- else if (addr > M.mem_size - 4) {
-DB( printk("mem_read: address %#lx out of range!\n", addr);)
- HALT_SYS();
- }
- else {
-#ifdef __BIG_ENDIAN__
- if (addr & 0x3) {
- val = ( *(u8*)(M.mem_base + addr + 0) |
- (*(u8*)(M.mem_base + addr + 1) << 8) |
- (*(u8*)(M.mem_base + addr + 2) << 16) |
- (*(u8*)(M.mem_base + addr + 3) << 24));
- }
- else
-#endif
- val = *(u32*)(M.mem_base + addr);
- }
-DB( if (DEBUG_MEM())
- printk("%#08x 4 -> %#x\n", addr, val);)
- return val;
-}
-
-/****************************************************************************
-PARAMETERS:
-addr - Emulator memory address to read
-val - Value to store
-
-REMARKS:
-Writes a byte value to emulator memory. We have three distinct memory
-regions that are handled differently, which this function handles.
-****************************************************************************/
-void X86API BE_wrb(
- u32 addr,
- u8 val)
-{
-DB( if (DEBUG_MEM())
- printk("%#08x 1 <- %#x\n", addr, val);)
- if (addr >= 0xC0000 && addr <= _BE_env.biosmem_limit) {
- *(u8*)(_BE_env.biosmem_base + addr - 0xC0000) = val;
- }
- else if (addr >= 0xA0000 && addr <= 0xFFFFF) {
- writeb(val, _BE_env.busmem_base, addr - 0xA0000);
- }
- else if (addr > M.mem_size-1) {
-DB( printk("mem_write: address %#lx out of range!\n", addr);)
- HALT_SYS();
- }
- else {
- *(u8*)(M.mem_base + addr) = val;
- }
-}
-
-/****************************************************************************
-PARAMETERS:
-addr - Emulator memory address to read
-val - Value to store
-
-REMARKS:
-Writes a word value to emulator memory. We have three distinct memory
-regions that are handled differently, which this function handles.
-****************************************************************************/
-void X86API BE_wrw(
- u32 addr,
- u16 val)
-{
-DB( if (DEBUG_MEM())
- printk("%#08x 2 <- %#x\n", addr, val);)
- if (addr >= 0xC0000 && addr <= _BE_env.biosmem_limit) {
-#ifdef __BIG_ENDIAN__
- if (addr & 0x1) {
- addr -= 0xC0000;
- *(u8*)(_BE_env.biosmem_base + addr + 0) = (val >> 0) & 0xff;
- *(u8*)(_BE_env.biosmem_base + addr + 1) = (val >> 8) & 0xff;
- }
- else
-#endif
- *(u16*)(_BE_env.biosmem_base + addr - 0xC0000) = val;
- }
- else if (addr >= 0xA0000 && addr <= 0xFFFFF) {
-#ifdef __BIG_ENDIAN__
- if (addr & 0x1) {
- addr -= 0xA0000;
- writeb(val >> 0, _BE_env.busmem_base, addr);
- writeb(val >> 8, _BE_env.busmem_base, addr + 1);
- }
- else
-#endif
- writew(val, _BE_env.busmem_base, addr - 0xA0000);
- }
- else if (addr > M.mem_size-2) {
-DB( printk("mem_write: address %#lx out of range!\n", addr);)
- HALT_SYS();
- }
- else {
-#ifdef __BIG_ENDIAN__
- if (addr & 0x1) {
- *(u8*)(M.mem_base + addr + 0) = (val >> 0) & 0xff;
- *(u8*)(M.mem_base + addr + 1) = (val >> 8) & 0xff;
- }
- else
-#endif
- *(u16*)(M.mem_base + addr) = val;
- }
-}
-
-/****************************************************************************
-PARAMETERS:
-addr - Emulator memory address to read
-val - Value to store
-
-REMARKS:
-Writes a long value to emulator memory. We have three distinct memory
-regions that are handled differently, which this function handles.
-****************************************************************************/
-void X86API BE_wrl(
- u32 addr,
- u32 val)
-{
-DB( if (DEBUG_MEM())
- printk("%#08x 4 <- %#x\n", addr, val);)
- if (addr >= 0xC0000 && addr <= _BE_env.biosmem_limit) {
-#ifdef __BIG_ENDIAN__
- if (addr & 0x1) {
- addr -= 0xC0000;
- *(u8*)(M.mem_base + addr + 0) = (val >> 0) & 0xff;
- *(u8*)(M.mem_base + addr + 1) = (val >> 8) & 0xff;
- *(u8*)(M.mem_base + addr + 2) = (val >> 16) & 0xff;
- *(u8*)(M.mem_base + addr + 3) = (val >> 24) & 0xff;
- }
- else
-#endif
- *(u32*)(M.mem_base + addr - 0xC0000) = val;
- }
- else if (addr >= 0xA0000 && addr <= 0xFFFFF) {
-#ifdef __BIG_ENDIAN__
- if (addr & 0x3) {
- addr -= 0xA0000;
- writeb(val >> 0, _BE_env.busmem_base, addr);
- writeb(val >> 8, _BE_env.busmem_base, addr + 1);
- writeb(val >> 16, _BE_env.busmem_base, addr + 1);
- writeb(val >> 24, _BE_env.busmem_base, addr + 1);
- }
- else
-#endif
- writel(val, _BE_env.busmem_base, addr - 0xA0000);
- }
- else if (addr > M.mem_size-4) {
-DB( printk("mem_write: address %#lx out of range!\n", addr);)
- HALT_SYS();
- }
- else {
-#ifdef __BIG_ENDIAN__
- if (addr & 0x1) {
- *(u8*)(M.mem_base + addr + 0) = (val >> 0) & 0xff;
- *(u8*)(M.mem_base + addr + 1) = (val >> 8) & 0xff;
- *(u8*)(M.mem_base + addr + 2) = (val >> 16) & 0xff;
- *(u8*)(M.mem_base + addr + 3) = (val >> 24) & 0xff;
- }
- else
-#endif
- *(u32*)(M.mem_base + addr) = val;
- }
-}
-
-/* Debug functions to do ISA/PCI bus port I/O */
-
-#ifdef DEBUG
-#define DEBUG_IO() (M.x86.debug & DEBUG_IO_TRACE_F)
-
-u8 X86API BE_inb(int port)
-{
- u8 val = PM_inpb(port);
- if (DEBUG_IO())
- printk("%04X:%04X: inb.%04X -> %02X\n",M.x86.saved_cs, M.x86.saved_ip, (ushort)port, val);
- return val;
-}
-
-u16 X86API BE_inw(int port)
-{
- u16 val = PM_inpw(port);
- if (DEBUG_IO())
- printk("%04X:%04X: inw.%04X -> %04X\n",M.x86.saved_cs, M.x86.saved_ip, (ushort)port, val);
- return val;
-}
-
-u32 X86API BE_inl(int port)
-{
- u32 val = PM_inpd(port);
- if (DEBUG_IO())
- printk("%04X:%04X: inl.%04X -> %08X\n",M.x86.saved_cs, M.x86.saved_ip, (ushort)port, val);
- return val;
-}
-
-void X86API BE_outb(int port, u8 val)
-{
- if (DEBUG_IO())
- printk("%04X:%04X: outb.%04X <- %02X\n",M.x86.saved_cs, M.x86.saved_ip, (ushort)port, val);
- PM_outpb(port,val);
-}
-
-void X86API BE_outw(int port, u16 val)
-{
- if (DEBUG_IO())
- printk("%04X:%04X: outw.%04X <- %04X\n",M.x86.saved_cs, M.x86.saved_ip, (ushort)port, val);
- PM_outpw(port,val);
-}
-
-void X86API BE_outl(int port, u32 val)
-{
- if (DEBUG_IO())
- printk("%04X:%04X: outl.%04X <- %08X\n",M.x86.saved_cs, M.x86.saved_ip, (ushort)port, val);
- PM_outpd(port,val);
-}
-#endif
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