Well, I tried looking into the DSi sound app, and found that it crashes due to a NULL access. I know I haven't been active a lot lately, the usual. I will have to do some more reverse-engineering to determine how that works in detail.ġ3 comments (last by MPS64) | Post a comment It may also be caused by lacking emulation of the error handling processes in hardware (like automatically resending the CMD frame if some clients failed to respond, for example). I made a quick attempt at that yesterday, but so far it's not working as intended. I intend to just fake them, to simplify things and reduce the amount of data being transferred. I suspect there might be issues with ack frames being received too late. However, there is still data loss in the client->host direction, which I need to investigate further. I have only tested with two instances for now, but they seem to stay in sync fine. The results aren't perfect, but they are somewhat promising.įor example, Pictochat doesn't seem to get stuck trying to send messages.
It can then send its CMD frame and allow clients to run ahead for a given amount of time that covers the entire MP exchange process. Thus, the host can enforce sync (and also wait for clients to have caught up) before sending a CMD frame to its clients, thus ensuring that everybody is at the same point at that time. When a client connects, the host sends its USCOUNTER (the wifi system's microsecond counter) value to that client, which can then compare that to its own USCOUNTER value: the point a connection is established is considered the reference point, and the client will then wait for the host to allow it to run, so it doesn't get too far ahead or behind. I introduced a crude synchronization mechanism where the host of a local multiplayer game can instruct clients to stay in sync. We assume here that you're familiar with local multiplayer terms. For now, I'm keeping my work private, so I'm not bothered by people wanting to try an unfinished branch, reporting issues with it, etc. If you're running into trouble: Howto/FAQ (WIP) Wifi: local multiplayer, online connectivity.Various display position/sizing/rotation modes.Nearly complete core (CPU, video, audio.While it is still a work in progress, it has a pretty solid set of features: MelonDS aims at providing fast and accurate Nintendo DS emulation.
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