1/* Copyright (c) 2013-2015 Jeffrey Pfau
 2 *
 3 * This Source Code Form is subject to the terms of the Mozilla Public
 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 6#ifndef GBA_SIO_LOCKSTEP_H
 7#define GBA_SIO_LOCKSTEP_H
 8
 9#include <mgba-util/common.h>
10
11CXX_GUARD_START
12
13#include <mgba/core/lockstep.h>
14#include <mgba/core/timing.h>
15#include <mgba/internal/gba/sio.h>
16
17struct GBASIOLockstep {
18	struct mLockstep d;
19	struct GBASIOLockstepNode* players[MAX_GBAS];
20	int attachedMulti;
21	int attachedNormal;
22
23	uint16_t multiRecv[MAX_GBAS];
24	uint32_t normalRecv[MAX_GBAS];
25};
26
27struct GBASIOLockstepNode {
28	struct GBASIODriver d;
29	struct GBASIOLockstep* p;
30	struct mTimingEvent event;
31
32	volatile int32_t nextEvent;
33	int32_t eventDiff;
34	bool normalSO;
35	int id;
36	enum GBASIOMode mode;
37	bool transferFinished;
38#ifndef NDEBUG
39	int transferId;
40	enum mLockstepPhase phase;
41#endif
42};
43
44void GBASIOLockstepInit(struct GBASIOLockstep*);
45
46void GBASIOLockstepNodeCreate(struct GBASIOLockstepNode*);
47
48bool GBASIOLockstepAttachNode(struct GBASIOLockstep*, struct GBASIOLockstepNode*);
49void GBASIOLockstepDetachNode(struct GBASIOLockstep*, struct GBASIOLockstepNode*);
50
51CXX_GUARD_END
52
53#endif