This emulator is in rough shape at the moment. The core doesn't work well enough to spend time improving the emulator yet.
4
After loading boottc.hex by selecting it from the file menu, select 'reset' from the run menu to issue a system reset.
5
The emulator may then be run by pressing the single step button on the toolbar, or run in an animated fashion by selecting 'anmiate' from the run menu.
6
Pressing the green arrow button the toolbar will start the core animating. Pressing the red button on the toolbar will stop animation.
7
The core may animate rather slowly, but there's a slider that controls the animate rate.