DSP Emulator v0.9 beta 4 wip 28/01 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 0.9ß4WIP 28/01/10 Changelog：
-General
+ENHANCE: New function to scroll a screen, but moved within another screen.
+ENHANCE: M6809 - Added opcodes $10EE, $10EF y $102C. Cleaned code of opcodes $10XX.
+ENHANCE: Added functions for not standard sizes sprites and transparent chars based on color table
+ENHANCE: NAMCO Sound - Simplified, now only uses one audio channel and voice are mixed internally
+BUG: At last! Fixed sprites cuts (Ghost'n'Goblins, Black Tiger, Pacman, etc). A lot of corrections in the sprites functions and data structures
-Mappy Hardware
+NEW: Added 8-voice polyphonic sound
+ENHANCE: Fixed scroll
+ENHANCE: Added graphical priorities
+ENHANCE: Fixed sprites.
-Mappy
+ENHANCE: Fixed the last graphical bugs
-Dig Dug 2
+NEW: Added driver
-Super Pacman
+NEW: Added driver
-Galaga Hardware
-Galaga
+NEW: Added driver, don't work because the custom IO are not working
-Xain'd Sleena
+NEW: Added basic driver with sound. Missing sprites, backgrounds, colors, etc.

Download: DSP Emulator v0.9 beta 4 wip 28/01
Source:Here