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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#if defined(_MSC_VER)
#pragma warning (disable: 4244)
#pragma warning (disable: 4101)
#define scumm_stricmp stricmp
#if defined(CHECK_HEAP)
#undef CHECK_HEAP
#define CHECK_HEAP checkHeap();
#else
#define CHECK_HEAP
#endif
#define SCUMM_LITTLE_ENDIAN
#define FORCEINLINE __forceinline
#define NORETURN _declspec(noreturn)
typedef unsigned char byte;
typedef unsigned char uint8;
typedef unsigned short uint16;
typedef unsigned long uint32;
typedef unsigned int uint;
typedef signed char int8;
typedef signed short int16;
typedef signed long int32;
#define START_PACK_STRUCTS pack (push,1)
#define END_PACK_STRUCTS pack(pop)
#define GCC_PACK
#elif defined(__CYGWIN__)
#define scumm_stricmp stricmp
#define CHECK_HEAP
#define SCUMM_LITTLE_ENDIAN
#define FORCEINLINE inline
#define NORETURN __attribute__((__noreturn__))
#define GCC_PACK __attribute__((packed))
#define CDECL
typedef unsigned char byte;
typedef unsigned char uint8;
typedef unsigned short uint16;
typedef unsigned long uint32;
typedef unsigned int uint;
typedef signed char int8;
typedef signed short int16;
typedef signed long int32;
#define START_PACK_STRUCTS pack (push,1)
#define END_PACK_STRUCTS pack(pop)
#elif (defined(UNIX) || defined(__APPLE__))
#define scumm_stricmp strcasecmp
#define CHECK_HEAP
/* need this for the SDL_BYTEORDER define */
#include <SDL_byteorder.h>
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
#define SCUMM_LITTLE_ENDIAN
#elif SDL_BYTEORDER == SDL_BIG_ENDIAN
#define SCUMM_BIG_ENDIAN
#define SCUMM_NEED_ALIGNMENT
#else
#error Neither SDL_BIG_ENDIAN nor SDL_LITTLE_ENDIAN is set.
#endif
#define FORCEINLINE inline
#define CDECL
typedef unsigned char byte;
typedef unsigned char uint8;
typedef unsigned short uint16;
typedef unsigned long uint32;
typedef unsigned int uint;
typedef signed char int8;
typedef signed short int16;
typedef signed long int32;
#if defined(__GNUC__)
#define START_PACK_STRUCTS
#define END_PACK_STRUCTS
#define GCC_PACK __attribute__((packed))
#define NORETURN __attribute__((__noreturn__))
#else
#define START_PACK_STRUCTS pack (1)
#define END_PACK_STRUCTS pack ()
#define GCC_PACK
#define NORETURN
#endif
#else
#error No system type defined
#endif
#if defined(SCUMM_LITTLE_ENDIAN)
//#if defined(SCUMM_NEED_ALIGNMENT)
//#error Little endian processors that need alignment is not implemented
//#endif
#define MKID(a) ((((a)>>24)&0xFF) | (((a)>>8)&0xFF00) | (((a)<<8)&0xFF0000) | (((a)<<24)&0xFF000000))
#if defined(SCUMM_NEED_ALIGNMENT)
uint FORCEINLINE READ_LE_UINT16(void *ptr) {
return (((byte*)ptr)[1]<<8)|((byte*)ptr)[0];
}
#else
uint FORCEINLINE READ_LE_UINT16(void *ptr) {
return *(uint16*)(ptr);
}
#endif
uint FORCEINLINE READ_BE_UINT16(void *ptr) {
return (((byte*)ptr)[0]<<8)|((byte*)ptr)[1];
}
#if defined(SCUMM_NEED_ALIGNMENT)
uint32 FORCEINLINE READ_LE_UINT32(void *ptr) {
byte *b = (byte*)ptr;
return (b[3]<<24)+(b[2]<<16)+(b[1]<<8)+(b[0]);
}
#else
uint32 FORCEINLINE READ_LE_UINT32(void *ptr) {
return *(uint32*)(ptr);
}
#endif
uint32 FORCEINLINE READ_BE_UINT32(void *ptr) {
byte *b = (byte*)ptr;
return (b[0]<<24)+(b[1]<<16)+(b[2]<<8)+(b[3]);
}
#define READ_BE_UINT32_UNALIGNED READ_BE_UINT32
#define READ_BE_UINT16_UNALIGNED READ_BE_UINT16
#define READ_UINT32_UNALIGNED(a) READ_LE_UINT32(a)
#define FROM_LE_32(__a__) __a__
#define FROM_LE_16(__a__) __a__
#define TO_LE_32(__a__) __a__
#define TO_LE_16(__a__) __a__
#define TO_BE_32(a) ((((a)>>24)&0xFF) | (((a)>>8)&0xFF00) | (((a)<<8)&0xFF0000) | (((a)<<24)&0xFF000000))
#elif defined(SCUMM_BIG_ENDIAN)
#define MKID(a) (a)
uint32 FORCEINLINE FROM_LE_32(uint32 a) {
return ((a>>24)&0xFF) + ((a>>8)&0xFF00) + ((a<<8)&0xFF0000) + ((a<<24)&0xFF000000);
}
uint16 FORCEINLINE FROM_LE_16(uint16 a) {
return ((a>>8)&0xFF) + ((a<<8)&0xFF00);
}
#define TO_LE_32 FROM_LE_32
#define TO_LE_16 FROM_LE_16
uint32 FORCEINLINE READ_LE_UINT32(void *ptr) {
byte *b = (byte*)ptr;
return (b[3]<<24)+(b[2]<<16)+(b[1]<<8)+(b[0]);
}
uint32 FORCEINLINE READ_BE_UINT32(void *ptr) {
return *(uint32*)(ptr);
}
uint FORCEINLINE READ_LE_UINT16(void *ptr) {
byte *b = (byte*)ptr;
return (b[1]<<8) + b[0];
}
uint FORCEINLINE READ_BE_UINT16(void *ptr) {
return *(uint16*)(ptr);
}
uint FORCEINLINE READ_BE_UINT16_UNALIGNED(void *ptr) {
return (((byte*)ptr)[0]<<8)|((byte*)ptr)[1];
}
uint32 FORCEINLINE READ_BE_UINT32_UNALIGNED(void *ptr) {
byte *b = (byte*)ptr;
return (b[0]<<24)+(b[1]<<16)+(b[2]<<8)+(b[3]);
}
#define READ_UINT32_UNALIGNED READ_BE_UINT32_UNALIGNED
#define TO_BE_32(a) (a)
#else
#error No endianness defined
#endif
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