blob: 2839c526762ce00f3306ea2cba1e7845e79a341b (
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
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "engines/glk/glulxe/glulxe.h"
namespace Glk {
namespace Glulxe {
uint Glulxe::do_gestalt(uint val, uint val2) {
switch (val) {
case gestulx_GlulxVersion:
return 0x00030102; /* Glulx spec version 3.1.2 */
case gestulx_TerpVersion:
return 0x00000504; /* Glulxe version 0.5.4 */
case gestulx_ResizeMem:
#ifdef FIXED_MEMSIZE
return 0; /* The setmemsize opcodes are compiled out. */
#else /* FIXED_MEMSIZE */
return 1; /* We can handle setmemsize. */
#endif /* FIXED_MEMSIZE */
case gestulx_Undo:
return 1; /* We can handle saveundo and restoreundo. */
case gestulx_IOSystem:
switch (val2) {
case 0:
return 1; /* The "null" system always works. */
case 1:
return 1; /* The "filter" system always works. */
case 2:
return 1; /* A Glk library is hooked up. */
default:
return 0;
}
case gestulx_Unicode:
return 1; /* We can handle Unicode. */
case gestulx_MemCopy:
return 1; /* We can do mcopy/mzero. */
case gestulx_MAlloc:
#ifdef FIXED_MEMSIZE
return 0; /* The malloc opcodes are compiled out. */
#else /* FIXED_MEMSIZE */
return 1; /* We can handle malloc/mfree. */
#endif /* FIXED_MEMSIZE */
case gestulx_MAllocHeap:
return heap_get_start();
case gestulx_Acceleration:
return 1; /* We can do accelfunc/accelparam. */
case gestulx_AccelFunc:
if (accel_find_func(val2))
return 1; /* We know this accelerated function. */
return 0;
case gestulx_Float:
#ifdef FLOAT_SUPPORT
return 1; /* We can do floating-point operations. */
#else /* FLOAT_SUPPORT */
return 0; /* The floating-point opcodes are not compiled in. */
#endif /* FLOAT_SUPPORT */
#ifdef GLULX_EXTEND_GESTALT
GLULX_EXTEND_GESTALT
#endif /* GLULX_EXTEND_GESTALT */
default:
return 0;
}
}
} // End of namespace Glulxe
} // End of namespace Glk
|
