Complex Lock mode for WP-34s

[Nigel (UK)]

I've brought the Complex Mode branch up-to-date and added Jaco's code for Entry RPN and for complex mode defaults. I haven't committed this change yet; the attached file contains a copy of the emulator compiled with Entry RPN, default "j" (rather than "i"), default complex mode enabled and turned on. There's also a patch file with the code changes in; to be clear, this is only going to affect the complex branch.

It's a .7z file because compressed as a .zip file it exceeded the 1MB file size limit! 7-zip is an excellent free program that will uncompress it; I'm sure there are others. (1MB? Luxury! When I were a lad I used to write global climate simulations in only 50 steps! ...etc,)

If this works all right, let me know and I'll commit the changes (with Entry RPN turned off by default, as Jaco and I can compile the firmware with it turned on ourselves if we wish). If there is a wider desire for Entry RPN on the Complex Mode firmware I'm sure that something can be arranged, but I'm not expecting to be trampled in the rush!

Nigel (UK)