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Put simply, replay devices are interfaces between a PC and a console—<!-- | Put simply, replay devices are interfaces between a PC and a console—<!-- | ||
-->similar to how you might use a GPU to interface with a monitor or a [[wikipedia:Network_interface_controller|NIC]] to interface with a LAN—<!-- | -->similar to how you might use a GPU to interface with a monitor or a [[wikipedia:Network_interface_controller|NIC]] to interface with a LAN—<!-- | ||
Latest revision as of 05:26, 1 October 2024
Put simply, replay devices are interfaces between a PC and a console—similar to how you might use a GPU to interface with a monitor or a NIC to interface with a LAN—and by playing back a movie over one of these console interfaces, it can be console-verified. (Specifically, if it finishes without desyncing then it's considered verified.) The replay device simulates a gamepad (or several) for the console to "see", and typically appears as a serial device on the PC. Newer designs have included an SD card to allow running without a PC.
You can read about the specifics of simulating a gamepad over on TASVideos.