Unreal Speccy Portable - ZX Spectrum emulator
Unreal Speccy Portable (USP) - free open source ZX Spectrum emulator.
Features:
+ 48/128K (Pentagon multicolors)
+ HQ 44KHz/16 bit stereo sound emulation - AY/YM, Beeper
+ Keyboard & Kempston/Sinclair/Cursor/QAOP Joysticks
+ Beta Disk interface
+ Full screen mode
+ Filtering
+ Zoom modes
+...
