mirror of
https://github.com/libretro/scummvm.git
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342 lines
7.8 KiB
C
342 lines
7.8 KiB
C
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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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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#if defined(HAVE_NO_BOOL)
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typedef int bool;
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const bool true(1), false(0);
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#endif /* HAVE_NO_BOOL */
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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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#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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#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 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(UNIX) || defined(__APPLE__) || defined(UNIX_X11))
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#define scumm_stricmp strcasecmp
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#define CHECK_HEAP
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#ifdef UNIX_X11
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/* You need to set those manually */
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#define SCUMM_LITTLE_ENDIAN
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/* #define SCUMM_NEED_ALIGNMENT */
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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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#define SCUMM_NEED_ALIGNMENT
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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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#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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#elif defined(macintosh)
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#include <stdlib.h>
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#include <stdio.h>
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#include "macos.h"
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#define scumm_stricmp strcmp
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inline char* strdup(char *buf) {return (char*)buf;};
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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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#else
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#error No system type defined
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#endif
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#if defined(SCUMM_LITTLE_ENDIAN)
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//#if defined(SCUMM_NEED_ALIGNMENT)
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//#error Little endian processors that need alignment is not implemented
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//#endif
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#define MKID(a) ((((a)>>24)&0xFF) | (((a)>>8)&0xFF00) | (((a)<<8)&0xFF0000) | (((a)<<24)&0xFF000000))
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#define MKID_BE(a) (a)
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#if defined(SCUMM_NEED_ALIGNMENT)
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FORCEINLINE uint READ_LE_UINT16(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(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(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(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(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(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) ((((a)>>24)&0xFF) | (((a)>>8)&0xFF00) | (((a)<<8)&0xFF0000) | (((a)<<24)&0xFF000000))
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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) ((((a)>>24)&0xFF) | (((a)>>8)&0xFF00) | (((a)<<8)&0xFF0000) | (((a)<<24)&0xFF000000))
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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) + ((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(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(void *ptr) {
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return *(uint32*)(ptr);
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}
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uint FORCEINLINE READ_LE_UINT16(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(void *ptr) {
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return *(uint16*)(ptr);
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}
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uint FORCEINLINE READ_BE_UINT16_UNALIGNED(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(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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#ifdef NEED_STRDUP
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char *strdup(const char *s);
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#endif
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/* Initialized operator new */
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void * operator new(size_t size);
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#endif
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