Bug fixes: - Sound is now switched off upon a Hard Reset - ZXpand SEEK bug has been fixed - Fixed recursive support of the Step Over debugging facility - Fixed length validation of P81 files Enhancements: - A warning is displayed if surplus bytes are found at the end of ZX80 and ZX81 program files - Removed the 'mask' option from the breakpoint mechanism - Added separate word and byte Input and Output breakpoint types - Added Register, Flag and Memory breakpoint types - Added the ability to break on a read, write, input or output value as well as its address - Added a Profiler tool which provides some visibility into the T-state timing of machine code - Symbol file now loaded when opening a program via the Tape Manager's File->Open option - Added a Step Out facility to the debugger - Added keyboard shortcuts for the debugger Step In (Shift+F5), Step Over (Shift+F6), Step Out (Shift+F7) and Run/Stop (Shift+F8) buttons