mirror of
https://github.com/libretro/scummvm.git
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462 lines
11 KiB
C
462 lines
11 KiB
C
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001-2005 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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#ifndef _STDAFX_H
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#error Included scummsys.h without including stdafx.h first!
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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// Use config.h, generated by configure
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#if defined(HAVE_CONFIG_H)
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#include "config.h"
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#endif
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#ifndef PI
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#define PI 3.14159265358979323846
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#endif
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#if defined(_MSC_VER)
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#define scumm_stricmp stricmp
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#define scumm_strnicmp _strnicmp
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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 scumm_strnicmp strnicmp
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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 scumm_strnicmp strncasecmp
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#define CHECK_HEAP
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#ifndef CONFIG_H
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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_LIL_ENDIAN is set.
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#endif
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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 HAVE_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(__PALMOS_TRAPS__) // PALMOS
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#include <PalmOS.h>
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#include "globals.h"
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#include "extend.h"
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#define STRINGBUFLEN 256
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#define scumm_stricmp stricmp
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#define scumm_strnicmp strnicmp
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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 NONSTANDARD_SAVE
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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 NEED_STRDUP
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#define NEWGUI_256
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#elif defined(__MORPHOS__)
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#define scumm_stricmp stricmp
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#define scumm_strnicmp strnicmp
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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 scumm_strnicmp strncasecmp
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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 scumm_strnicmp strnicmp
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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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FORCEINLINE uint32 SWAP_BYTES_32(uint32 a) {
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return ((a >> 24) & 0x000000FF) |
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((a >> 8) & 0x0000FF00) |
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((a << 8) & 0x00FF0000) |
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((a << 24) & 0xFF000000);
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}
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FORCEINLINE uint16 SWAP_BYTES_16(uint16 a) {
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return ((a >> 8) & 0x00FF) + ((a << 8) & 0xFF00);
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}
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#if defined(SCUMM_LITTLE_ENDIAN)
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#define PROTO_MKID(a) ((uint32) \
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(((a) >> 24) & 0x000000FF) | \
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(((a) >> 8) & 0x0000FF00) | \
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(((a) << 8) & 0x00FF0000) | \
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(((a) << 24) & 0xFF000000))
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#define PROTO_MKID_BE(a) ((uint32)(a))
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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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#define READ_UINT32(a) READ_LE_UINT32(a)
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#define FROM_LE_32(a) ((uint32)(a))
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#define FROM_LE_16(a) ((uint16)(a))
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#define TO_LE_32(a) ((uint32)(a))
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#define TO_LE_16(a) ((uint16)(a))
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#define TO_BE_32(a) SWAP_BYTES_32(a)
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#define TO_BE_16(a) SWAP_BYTES_16(a)
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#elif defined(SCUMM_BIG_ENDIAN)
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#define MKID(a) ((uint32)(a))
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#define MKID_BE(a) ((uint32)(a))
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//#define MKID_BE(a) SWAP_BYTES_32(a)
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#define READ_UINT32(a) READ_BE_UINT32(a)
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#define FROM_LE_32(a) SWAP_BYTES_32(a)
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#define FROM_LE_16(a) SWAP_BYTES_16(a)
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#define TO_LE_32(a) SWAP_BYTES_32(a)
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#define TO_LE_16(a) SWAP_BYTES_16(a)
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#define TO_BE_32(a) ((uint32)(a))
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#define TO_BE_16(a) ((uint16)(a))
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#else
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#error No endianness defined
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#endif
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#if defined(SCUMM_NEED_ALIGNMENT) || defined(SCUMM_BIG_ENDIAN)
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FORCEINLINE uint16 READ_LE_UINT16(const void *ptr) {
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const byte *b = (const byte *)ptr;
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return (b[1] << 8) + b[0];
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}
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FORCEINLINE uint32 READ_LE_UINT32(const void *ptr) {
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const byte *b = (const 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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FORCEINLINE void WRITE_LE_UINT16(void *ptr, uint16 value) {
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byte *b = (byte *)ptr;
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b[0] = (byte)(value >> 0);
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b[1] = (byte)(value >> 8);
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}
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FORCEINLINE void WRITE_LE_UINT32(void *ptr, uint32 value) {
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byte *b = (byte *)ptr;
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b[0] = (byte)(value >> 0);
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b[1] = (byte)(value >> 8);
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b[2] = (byte)(value >> 16);
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b[3] = (byte)(value >> 24);
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}
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#else
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FORCEINLINE uint16 READ_LE_UINT16(const void *ptr) {
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return *(const uint16 *)(ptr);
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}
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FORCEINLINE uint32 READ_LE_UINT32(const void *ptr) {
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return *(const uint32 *)(ptr);
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}
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FORCEINLINE void WRITE_LE_UINT16(void *ptr, uint16 value) {
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*(uint16 *)(ptr) = value;
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}
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FORCEINLINE void WRITE_LE_UINT32(void *ptr, uint32 value) {
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*(uint32 *)(ptr) = value;
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}
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#endif
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#if defined(SCUMM_NEED_ALIGNMENT) || defined(SCUMM_LITTLE_ENDIAN)
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FORCEINLINE uint16 READ_BE_UINT16(const void *ptr) {
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const byte *b = (const byte *)ptr;
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return (b[0] << 8) + b[1];
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}
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FORCEINLINE uint32 READ_BE_UINT32(const void *ptr) {
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const byte *b = (const 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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FORCEINLINE void WRITE_BE_UINT16(void *ptr, uint16 value) {
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byte *b = (byte *)ptr;
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b[0] = (byte)(value >> 8);
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b[1] = (byte)(value >> 0);
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}
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FORCEINLINE void WRITE_BE_UINT32(void *ptr, uint32 value) {
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byte *b = (byte *)ptr;
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b[0] = (byte)(value >> 24);
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b[1] = (byte)(value >> 16);
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b[2] = (byte)(value >> 8);
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b[3] = (byte)(value >> 0);
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}
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#else
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FORCEINLINE uint16 READ_BE_UINT16(const void *ptr) {
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return *(const uint16 *)(ptr);
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}
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FORCEINLINE uint32 READ_BE_UINT32(const void *ptr) {
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return *(const uint32 *)(ptr);
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}
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FORCEINLINE void WRITE_BE_UINT16(void *ptr, uint16 value) {
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*(uint16 *)(ptr) = value;
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}
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FORCEINLINE void WRITE_BE_UINT32(void *ptr, uint32 value) {
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*(uint32 *)(ptr) = value;
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}
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#endif
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FORCEINLINE uint32 READ_LE_UINT24(const void *ptr) {
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const byte *b = (const byte *)ptr;
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return (b[2] << 16) + (b[1] << 8) + (b[0]);
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}
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FORCEINLINE uint32 READ_BE_UINT24(const void *ptr) {
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const byte *b = (const byte*)ptr;
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return (b[0] << 16) + (b[1] << 8) + (b[2]);
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}
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#if defined(NEWGUI_256)
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// 256 color only on PalmOS
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typedef byte OverlayColor;
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#else
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// 15/16 bit color mode everywhere else...
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typedef int16 OverlayColor;
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#endif
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#ifndef STRINGBUFLEN
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#define STRINGBUFLEN 1024
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#endif
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/*
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#if !defined(__PALM_OS__)
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// Initialized operator new
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void * operator new(size_t size);
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void operator delete(void *ptr);
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// Temporary hack until we fully remove the new/delete operators:
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// Since 'new' now returns a memory block inited to 0xE7E7E7E7 we might
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// get some invocations of free() with that param. We check for those here.
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// That allows us to set a debugger breakpoint to catch it.
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#ifndef _WIN32_WCE
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#define free(x) free_check(x)
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void free_check(void *ptr);
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#endif
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#endif
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*/
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#endif
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