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
|
/* 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 "illusions/illusions.h"
#include "illusions/scriptopcodes.h"
#include "illusions/threads/scriptthread.h"
namespace Illusions {
// OpCall
void OpCall::skip(uint size) {
_code += size;
}
byte OpCall::readByte() {
return *_code++;
}
int16 OpCall::readSint16() {
int16 value = READ_LE_UINT16(_code);
_code += 2;
return value;
}
uint32 OpCall::readUint32() {
uint32 value = READ_LE_UINT32(_code);
_code += 4;
return value;
}
// ScriptOpcodes
ScriptOpcodes::ScriptOpcodes(IllusionsEngine *vm)
: _vm(vm) {
initOpcodes();
}
ScriptOpcodes::~ScriptOpcodes() {
freeOpcodes();
}
void ScriptOpcodes::execOpcode(ScriptThread *scriptThread, OpCall &opCall) {
if (!_opcodes[opCall._op])
error("ScriptOpcodes::execOpcode() Unimplemented opcode %d", opCall._op);
debug(0, "\nexecOpcode([%08X] %d) %s", opCall._callerThreadId, opCall._op, _opcodeNames[opCall._op].c_str());
(*_opcodes[opCall._op])(scriptThread, opCall);
}
} // End of namespace Illusions
|
