DSP Emulator v0.18 (2017/06/11) 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 Changelog:
-General
+SM510: Added new CPU
-Spectrum
+Simplified and standardized speaker functions
-Game and Watch
+Donkey Kong Jr: Added game with sound
+Donkey Kong II: Added game with sound

Download: DSP Emulator v0.18 (2017/06/11)
Source: Here