DSP Emulator v0.11b1 WIP (2011/03/10) is released. DSP Emulator is a new version of the ZX SPECTRUM +3, ZX Spectrum 128, ZX Spectrum 48, Arcade, Amstrad CPC 464, NES and Game Boy emulator.

DSP Emulator v0.11b1 WIP Changelog:

10/03 - DSP Emulator 0.11b1 DSP 0.11b1 stable release. Released both binary and source. Added 'Mario Bros.' with partial sound emulation and 'Solomon Key' driver with sound.

Download: DSP Emulator v0.11b1 WIP (2011/03/10)
Source: Here