aboutsummaryrefslogtreecommitdiff
path: root/scummsys.h
blob: bcaa5f566387b05906619715566f58a70c82f000 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
/* 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(__MINGW32__)

#define scumm_stricmp stricmp
#define CHECK_HEAP
#define SCUMM_LITTLE_ENDIAN

#define FORCEINLINE inline
#define NORETURN __attribute__((__noreturn__))
#define GCC_PACK __attribute__((packed))
#define _HEAPOK 0

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

#elif defined(__APPLE__CW)
#include <stdlib.h>
#include <stdio.h>

#define scumm_stricmp strcmp
inline char* strdup(char *buf) {return (char*)buf;};

#define CHECK_HEAP
#define SCUMM_BIG_ENDIAN

#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;

#define START_PACK_STRUCTS pack (1)
#define END_PACK_STRUCTS   pack ()
#define GCC_PACK
#define NORETURN
#define NEED_STRDUP

#elif defined(__DC__)

#define scumm_stricmp strcasecmp
#define CHECK_HEAP
#define SCUMM_LITTLE_ENDIAN
#define SCUMM_NEED_ALIGNMENT

#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(__MWERKS__) && defined(macintosh))
	
	#define scumm_stricmp strcmp
	
	#define MACOS
	#define NEED_STRDUP
	
	#define CHECK_HEAP

	#define SCUMM_BIG_ENDIAN
	#define SCUMM_NEED_ALIGNMENT
	
	#define FORCEINLINE inline
	
	#define NORETURN
	
	#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 options align=packed
	#define END_PACK_STRUCTS options align=reset
	#define GCC_PACK

#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


#ifdef NEED_STRDUP
char *strdup(const char *s);
#endif