aboutsummaryrefslogtreecommitdiff
path: root/engines/agi/id.cpp
blob: 6878b5f5e76e18f70246f960bb4d08e9828dd494 (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
/* ScummVM - Scumm Interpreter
 * Copyright (C) 2006 The ScummVM project
 *
 * Copyright (C) 1999-2003 Sarien Team
 *
 * 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.
 *
 * $URL$
 * $Id$
 *
 */

#include "common/stdafx.h"

#include "agi/agi.h"
#include "agi/opcodes.h"

namespace Agi {

int AgiEngine::v2id_game() {
	int ver;

	ver = this->_gameDescription->version;
	game.ver = ver;
	debugC(2, kDebugLevelMain, "game.ver = 0x%x", game.ver);
	agiSetRelease(ver);

	return setup_v2_game(ver, 0);
}

/*
 * Currently, there is no known difference between v3.002.098 -> v3.002.149
 * So version emulated;
 *
 * 0x0086,
 * 0x0149
 */

int AgiEngine::v3id_game() {
	int ver;

	ver = this->_gameDescription->version;
	game.ver = ver;
	debugC(2, kDebugLevelMain, "game.ver = 0x%x", game.ver);
	agiSetRelease(ver);

	return setup_v3_game(ver, 0);
}

/**
 *
 */
int AgiEngine::setup_v2_game(int ver, uint32 crc) {
	int ec = err_OK;

	if (ver == 0) {
		report("Unknown v2 Sierra game: %08x\n\n", crc);
		agiSetRelease(0x2917);
	}

	/* setup the differences in the opcodes and other bits in the
	 * AGI v2 specs
	 */
	if (opt.emuversion)
		agiSetRelease(opt.emuversion);

	if (opt.agds)
		agiSetRelease(0x2440);	/* ALL AGDS games built for 2.440 */

	switch (agiGetRelease()) {
	case 0x2089:
		logic_names_cmd[0x86].num_args = 0;	/* quit: 0 args */
		logic_names_cmd[0x97].num_args = 3;	/* print.at: 3 args */
		logic_names_cmd[0x98].num_args = 3;	/* print.at.v: 3 args */
		break;
	case 0x2272:
		/* KQ3 0x88673 (2.272) requires print.at with 4 arguments */
		break;
	case 0x2440:
		break;
	case 0x2917:
		break;
	case 0x2936:
		break;
	default:
		report("** Cannot setup for unknown version\n");
		ec = err_UnknownAGIVersion;
		break;
	}

	return ec;
}

/**
 *
 */
int AgiEngine::setup_v3_game(int ver, uint32 crc) {
	int ec = err_OK;

	if (ver == 0) {
		report("Unknown v3 Sierra game: %08x\n\n", crc);
		agiSetRelease(ver = 0x3149);
	}

	if (opt.emuversion)
		agiSetRelease(ver = opt.emuversion);

	switch (ver) {
	case 0x3086:
		logic_names_cmd[0xad].num_args = 1;	/* 173 : 1 args */
		break;
	case 0x3149:
		logic_names_cmd[0xad].num_args = 0;	/* 173 : 0 args */
		break;
	default:
		report("Error: cannot setup for unknown version\n");
		ec = err_UnknownAGIVersion;
		break;
	}

	return ec;
}

}                             // End of namespace Agi