DSP Emulator v0.9 beta 4 wip 22/02 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 22/02 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
+ Added 8 voices sound
+BUG: At last! Fixed sprites cuts (Ghost'n'Goblins, Black Tiger, Pacman, etc). A lot of corrections in the sprites functions and data structures
+BUG: In windows, if they were not language files DSP exit without any error
+BUG: In linux the first run does not load the driver, temporarily patched (Lazarus Bug?)
+BUG: If you open a tape on Amstrad or Spectrum and change to arcade, change the screen size correctly
+BUG: If you open a tape on Amstrad or Spectrum, DSP can not find any ROMs file
+ENHANCE: M68000
+ Started a rewrite of the core, mas velocidad
+ Enhanced the use of stacks (user and supervisor)
+ Added exception 1111
+NEW: Added M6800 CPU series. It's in a basic stage, with 50% of opcodes and without SCI.
-Spectrum
+ENHANCE: Now remembers the last tape or disc selected and previewed in the tape or disk loader
+BUG: Spectrum+3 - It does not change the page of video memory when paging is disabled, fixes the Atic-Atac (and others)
+BUG: Spectrum 128k - Fixes ROM load
-Rygar
+ENHANCE: Sprites uses the new sprites functions, not duplicating the graphics
-Psychic 5
+ENHANCE: Fixed initial screen effect
-KungFu Master
+NEW: Added sound and ADPCM
-Rally X Hardware
- New Rally X: Added driver
-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
-Toki
+ENHANCE: Fixed background
+ENHANCE: Fixed sprites
-Snow Bros
+ENHANCE: Added sound and controls
-Galaga Hardware
-Galaga
+NEW: Added driver, don't work because the custom IO are not working
-Xain'd Sleena
+NEW: Added driver with sound.
-Suna
+NEW: Added driver with sound and DAC. Video only have sprites!
-Hard Head:
+NEW: Added driver.
-Hard Head 2:
+NEW: Starting the driver, do not work nothing at all!
-NMK 16
+NEW: Added base driver without sound
-Saboten Bombers: Added driver
-BobJack Twin: Added driver

Download: DSP Emulator v0.9 beta 4 wip 22/02
Source:Here