New in This Version

* Changed the way Z80 NMI interrupt works to comply with the standard.
* Changed Z80 HALT instruction to always terminate on an IRQ request, even when interrupts are disabled.
* Fixed several bugs in the ExecZ80() function (thanks go to Martin Fiedler).
* Added working WD1793 emulation (TR-DOS now works).
* WD1793 I/O ports are only enabled when the TR-DOS ROM is paged in.
* Kempston and other I/O ports interfering with WD1793 are now disabled when the TR-DOS ROM is paged in.
* In Scorpion mode, setting upper kempston port bits to ones.
* Fixed DISCiPLE/+D trapdoor mechanism.
* Added support for .TRD, .SCL, .FDI, and .$ (Hobeta) disk images.
* Added builtin menu options to save .TRD, .SCL, and .FDI disk images.
* Split "Input Devices" menu from the "Peripherals" menu.
* Now resetting Spectrum when a trapdoor addon like Multiface or TR-DOS has been enabled or disabled.
* Now trying to load ZXS128TR.ROM BIOS file when both 128kB and TR-DOS options are enabled.
* With TR-DOS enabled, Speccy will now automatically start in TR-DOS mode.
* Added more debugging message options (-verbose).
* Added error messages to Speccy-Windows.
* Added key remapping configuration to the Speccy-Symbian application menu.
* Speccy-Symbian application menu is now split into three pages.
* Extended this document.