About USP - ZX Spectrum Emulator
USP is a portable emulator for the ZX Spectrum computer. It emulates the Z80 128K model and related hardware, including Pentagon compatibility, AY/YM sound, beeper audio, Beta Disk, tape input, and Kempston joystick or mouse controls. The emulator supports snapshots and replays, allowing users to load saved machine states or recorded play sessions. Supported file formats include SNA, Z80, SZX, RZX, TAP, TZX, CSW, TRD, SCL, FDI, TD0, UDI, and ZIP. This makes it possible to work with both machine-state files and tape or disk images. USP was designed to be ported to multiple platforms, and the product information lists Android among its targets. Its purpose is to reproduce a ZX Spectrum environment for running compatible software, though the available description does not specify setup steps, performance, or compatibility details for each file type.
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