DSP Emulator v0.11b1 WIP (2011/02/20) 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:

21/02 - DSP Emulator 0.11b1 WIP 20/02 Another release of DSP 0.11b1 WIP binary and source. Added new CPU MCS51 serires. Added MCU i8751 to Black Tiger (removed protection patches). Added 'Repulse' driver with sound.

Download: DSP Emulator v0.11b1 WIP (2011/02/20)
Source: Here