DSP Emulator v0.12 (2011/10/13) 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 v0.12 Changelog:

13/10 - DSP Emulator 0.12 Released Windows binary and source available. At last ported to Lazarus Spectrum and Amstrad drivers (only remains NES), big changes on source code, ported many functions to Lazarus (ZIP, ZLIB, files, INI, etc). Fixed CPU bugs, sound bugs, rewrited PIO 8255... Almost rewrited the Amstrad CPC driver, improved video (still not perfect), sound, stability, and disc copy protections. Added drivers for 'Ikari III - The rescue', 'Search and Rescue', 'Twin Cobra', 'Flying Shark' and 'Jr. Pacman'.

Download: DSP Emulator v0.12 (2011/10/13)
Source: Here