mirror of
https://github.com/libretro/scummvm.git
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391 lines
9.2 KiB
C
391 lines
9.2 KiB
C
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001-2003 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#ifndef SCUMMSYS_H
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#define SCUMMSYS_H
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#include <stdlib.h>
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// TODO - use config.h, generated by configure
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//#include "config.h"
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#if defined(USE_MAD) || defined(USE_VORBIS)
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#define COMPRESSED_SOUND_FILE
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#endif
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#if defined(_MSC_VER)
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//#pragma warning (disable: 4244)
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//#pragma warning (disable: 4101)
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#define scumm_stricmp stricmp
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#define snprintf _snprintf
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#if defined(CHECK_HEAP)
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#undef CHECK_HEAP
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#define CHECK_HEAP checkHeap();
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#else
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#define CHECK_HEAP
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#endif
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#define SCUMM_LITTLE_ENDIAN
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#define FORCEINLINE __forceinline
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#define NORETURN _declspec(noreturn)
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typedef unsigned char byte;
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typedef unsigned char uint8;
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typedef unsigned short uint16;
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typedef unsigned long uint32;
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typedef unsigned int uint;
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typedef signed char int8;
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typedef signed short int16;
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typedef signed long int32;
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#define START_PACK_STRUCTS pack(push, 1)
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#define END_PACK_STRUCTS pack(pop)
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#define GCC_PACK
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#if defined(_WIN32_WCE) && _WIN32_WCE < 300
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#define CDECL __cdecl
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#endif
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#elif defined(__MINGW32__)
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#define scumm_stricmp stricmp
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#define CHECK_HEAP
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#define SCUMM_LITTLE_ENDIAN
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#define FORCEINLINE inline
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#define NORETURN __attribute__((__noreturn__))
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#define GCC_PACK __attribute__((packed))
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#define _HEAPOK 0
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typedef unsigned char byte;
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typedef unsigned char uint8;
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typedef unsigned short uint16;
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typedef unsigned int uint32;
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typedef unsigned int uint;
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typedef signed char int8;
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typedef signed short int16;
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typedef signed int int32;
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#define START_PACK_STRUCTS pack (push, 1)
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#define END_PACK_STRUCTS pack(pop)
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#elif defined(UNIX)
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#define scumm_stricmp strcasecmp
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#define CHECK_HEAP
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#ifdef X11_BACKEND
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// You need to set this manually if necessary
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// #define SCUMM_LITTLE_ENDIAN
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#else
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/* need this for the SDL_BYTEORDER define */
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#include <SDL_byteorder.h>
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#if SDL_BYTEORDER == SDL_LIL_ENDIAN
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#define SCUMM_LITTLE_ENDIAN
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#elif SDL_BYTEORDER == SDL_BIG_ENDIAN
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#define SCUMM_BIG_ENDIAN
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#else
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#error Neither SDL_BIG_ENDIAN nor SDL_LITTLE_ENDIAN is set.
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#endif
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#endif
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// You need to set this manually if necessary
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// #define SCUMM_NEED_ALIGNMENT
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#define FORCEINLINE inline
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#define CDECL
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#ifndef CONFIG_H
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typedef unsigned char byte;
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typedef unsigned char uint8;
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typedef unsigned short uint16;
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typedef unsigned int uint;
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typedef unsigned int uint32;
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typedef signed char int8;
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typedef signed short int16;
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typedef signed int int32;
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#endif
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#if defined(__DECCXX) // Assume alpha architecture
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#define INVERSE_MKID
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#define SCUMM_NEED_ALIGNMENT
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#endif
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#if defined(__GNUC__)
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#define START_PACK_STRUCTS
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#define END_PACK_STRUCTS
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#define GCC_PACK __attribute__((packed))
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#define NORETURN __attribute__((__noreturn__))
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#else
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#define START_PACK_STRUCTS pack (1)
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#define END_PACK_STRUCTS pack ()
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#define GCC_PACK
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#define NORETURN
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#endif
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#elif defined(macintosh)
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#include <stdio.h>
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#include "macos.h"
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#define scumm_stricmp strcmp// FIXME - this is definitly wrong. Try strcasecmp?
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#define CHECK_HEAP
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#define SCUMM_BIG_ENDIAN
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#define FORCEINLINE inline
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#define CDECL
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typedef unsigned char byte;
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typedef unsigned char uint8;
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typedef unsigned short uint16;
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typedef unsigned long uint32;
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typedef unsigned int uint;
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typedef signed char int8;
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typedef signed short int16;
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typedef signed long int32;
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#define START_PACK_STRUCTS pack (1)
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#define END_PACK_STRUCTS pack ()
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#define GCC_PACK
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#define NORETURN
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#define USE_QTMUSIC
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#define NEED_STRDUP
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#elif defined(__MORPHOS__)
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#define scumm_stricmp stricmp
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#define CHECK_HEAP
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#define SCUMM_BIG_ENDIAN
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#define SCUMM_NEED_ALIGNMENT
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#define FORCEINLINE inline
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#define CDECL
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typedef unsigned char byte;
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typedef unsigned char uint8;
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typedef unsigned short uint16;
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typedef unsigned long uint32;
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typedef unsigned int uint;
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typedef signed char int8;
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typedef signed short int16;
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typedef signed long int32;
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#if defined(__GNUC__)
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#define START_PACK_STRUCTS
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#define END_PACK_STRUCTS
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#define GCC_PACK __attribute__((packed))
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#define NORETURN __attribute__((__noreturn__))
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#else
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#define START_PACK_STRUCTS pack (1)
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#define END_PACK_STRUCTS pack ()
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#define GCC_PACK
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#define NORETURN
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#endif
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#define main morphos_main
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#elif defined(__DC__)
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#define scumm_stricmp strcasecmp
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#define CHECK_HEAP
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#define SCUMM_LITTLE_ENDIAN
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#define SCUMM_NEED_ALIGNMENT
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#define FORCEINLINE inline
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#define NORETURN __attribute__((__noreturn__))
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#define GCC_PACK __attribute__((packed))
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#define CDECL
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typedef unsigned char byte;
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typedef unsigned char uint8;
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typedef unsigned short uint16;
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typedef unsigned long uint32;
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typedef unsigned int uint;
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typedef signed char int8;
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typedef signed short int16;
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typedef signed long int32;
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#define START_PACK_STRUCTS pack (push, 1)
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#define END_PACK_STRUCTS pack(pop)
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#elif defined __GP32__ //ph0x
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#define CDECL
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#define SCUMM_NEED_ALIGNMENT
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#define SCUMM_LITTLE_ENDIAN
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#define scumm_stricmp stricmp
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#define CHECK_HEAP
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#define FORCEINLINE inline
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#define NORETURN __attribute__((__noreturn__))
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#define GCC_PACK __attribute__((packed))
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#define _HEAPOK 0
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typedef unsigned char byte;
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typedef unsigned char uint8;
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typedef unsigned short uint16;
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typedef unsigned long uint32;
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typedef unsigned int uint;
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typedef signed char int8;
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typedef signed short int16;
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typedef signed long int32;
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#define START_PACK_STRUCTS pack (push, 1)
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#define END_PACK_STRUCTS pack(pop)
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#else
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#error No system type defined
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#endif
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#define SWAP_BYTES(a) ((((a) >> 24) & 0xFF) | (((a) >> 8) & 0xFF00) | \
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(((a) << 8) & 0xFF0000) | (((a) << 24) & 0xFF000000))
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#if defined(SCUMM_LITTLE_ENDIAN)
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#define PROTO_MKID(a) SWAP_BYTES(a)
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#define PROTO_MKID_BE(a) (a & 0xffffffff)
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#if defined(INVERSE_MKID)
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# define MKID(a) PROTO_MKID_BE(a)
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# define MKID_BE(a) PROTO_MKID(a)
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#else
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# define MKID(a) PROTO_MKID(a)
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# define MKID_BE(a) PROTO_MKID_BE(a)
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#endif
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#if defined(SCUMM_NEED_ALIGNMENT)
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FORCEINLINE uint READ_LE_UINT16(const void *ptr) {
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return (((byte *)ptr)[1] << 8)|((byte *)ptr)[0];
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}
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#else
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FORCEINLINE uint READ_LE_UINT16(const void *ptr) {
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return *(uint16 *)(ptr);
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}
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#endif
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FORCEINLINE uint READ_BE_UINT16(const void *ptr) {
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return (((byte *)ptr)[0] << 8)|((byte *)ptr)[1];
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}
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#if defined(SCUMM_NEED_ALIGNMENT)
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FORCEINLINE uint32 READ_LE_UINT32(const void *ptr) {
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byte *b = (byte *)ptr;
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return (b[3] << 24) + (b[2] <<16) + (b[1] << 8) + (b[0]);
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}
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#else
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FORCEINLINE uint32 READ_LE_UINT32(const void *ptr) {
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return *(uint32 *)(ptr);
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}
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#endif
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FORCEINLINE uint32 READ_BE_UINT32(const void *ptr) {
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byte *b = (byte *)ptr;
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return (b[0] << 24) + (b[1] << 16) + (b[2] << 8) + (b[3]);
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}
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#define READ_BE_UINT32_UNALIGNED READ_BE_UINT32
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#define READ_BE_UINT16_UNALIGNED READ_BE_UINT16
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#define READ_UINT32_UNALIGNED(a) READ_LE_UINT32(a)
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#define FROM_LE_32(__a__) __a__
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#define FROM_LE_16(__a__) __a__
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#define TO_LE_32(__a__) __a__
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#define TO_LE_16(__a__) __a__
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#define TO_BE_32(a) SWAP_BYTES(a)
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uint16 FORCEINLINE TO_BE_16(uint16 a) { return (a >> 8) | (a << 8); }
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#elif defined(SCUMM_BIG_ENDIAN)
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#define MKID(a) (a)
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#define MKID_BE(a) (a)
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//#define MKID_BE(a) SWAP_BYTES(a)
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uint32 FORCEINLINE FROM_LE_32(uint32 a) {
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return ((a >> 24) & 0xFF) + ((a >> 8) & 0xFF00) + (( a<< 8) & 0xFF0000) \
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+ ((a<<24)&0xFF000000);
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}
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uint16 FORCEINLINE FROM_LE_16(uint16 a) {
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return ((a >> 8) & 0xFF) + ((a << 8) & 0xFF00);
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}
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#define TO_LE_32 FROM_LE_32
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#define TO_LE_16 FROM_LE_16
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uint32 FORCEINLINE READ_LE_UINT32(const void *ptr) {
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byte *b = (byte *)ptr;
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return (b[3] << 24) + (b[2] << 16) + (b[1] << 8) + (b[0]);
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}
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uint32 FORCEINLINE READ_BE_UINT32(const void *ptr) {
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return *(uint32 *)(ptr);
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}
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uint FORCEINLINE READ_LE_UINT16(const void *ptr) {
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byte *b = (byte *)ptr;
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return (b[1] << 8) + b[0];
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}
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uint FORCEINLINE READ_BE_UINT16(const void *ptr) {
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return *(uint16 *)(ptr);
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}
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uint FORCEINLINE READ_BE_UINT16_UNALIGNED(const void *ptr) {
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return (((byte *)ptr)[0] << 8)|((byte *)ptr)[1];
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}
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uint32 FORCEINLINE READ_BE_UINT32_UNALIGNED(const void *ptr) {
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byte *b = (byte*)ptr;
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return (b[0] << 24) + (b[1] << 16) + (b[2] << 8) + (b[3]);
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}
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#define READ_UINT32_UNALIGNED READ_BE_UINT32_UNALIGNED
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#define TO_BE_32(a) (a)
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#define TO_BE_16(a) (a)
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#else
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#error No endianness defined
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#endif
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/* Initialized operator new */
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// FIXME - get rid of these new/delete overrides!!! They conflict with the
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// Standard C++ library, and they are only there to support lazy programmers anyway.
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void * operator new(size_t size);
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void operator delete(void *ptr);
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#endif
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