Bug fixes: - The Jupiter Ace beeper port now partially decoded - The Jupiter Ace ROM can now be overwritten if the 'Protect ROM from Writes' option is not selected - Beeper sound setting now restored from the .ini file - Now insensitive to the case of the ROM file name Changes: - Retired support for the homebrew Spectrum SE Enhancements: - Clock accurate emulation of the display mechanism of the ZX81 family of models - Accurate emulation of the display mechanism of the ZX80 - Annotation facility of display elements for ZX80 and ZX81 family of models - Displays the number of scanlines in the status bar - Beeper sound for ZX81 models now optionally includes rendering of HSync pulses - Support for Wilf Rigter's Improved Wait circuit - The main window now always gains focus at start up - More robust joystick movement detection