DSP Emulator v0.17b1 (2016/10/15) 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 v0.17b1 (2016/10/15) Changelog:
-General
+Namco IO
-Added 50XX control CPU
-Added 54XX sound CPU, using samples
+MB88XX CPU: Added opcodes $0f, $10, $1a, $20, $22, $2f and $48
+Fixed folders load/save, now the correct last folder used for Spectrum, Amstrad, Coleco, NES, GB, etc is remembered
+In general configuration menu, you can change preview images, samples, quick snapshot and NV-Ram folders. Removed NES, Coleco and GB folder change (useless now)
-Spectrum
+Z80 snapshot
-V1 - Fixed lenght of the compressed full memory block, I was ignoring the end mark
-V1 - Fixed buffer overflow, some times the snapshot data has more info that it's needed
-V2/V3 - Fixed uncompressed memory page inside of the data
-V2/V3 - Some checks to avoid bad snapshots
-V2/V3 - Now identify the correct Spectrum model
-V2/V3 - The preview image, now uses the active screen in 128k models
-Gun.Smoke HW
+Gun.Smoke: Small video updates
+1943: Fixed background scroll
-Galaga HW
+Galaga: added samples
+Xevious: added driver with sound, small problems with scroll and samples
-WWF Superstars
+Small video updates
-TMNT HW
+Sunset Riders: Enhanced copyprotection

Download: DSP Emulator v0.17b1 (2016/10/15)
Source: Here