Continuing on

for(bool done = false; done; done = false) { continue() }

Well, some progress has been made.  The farm menu and inventory menu are both done, and it is now possible to create plants for the program to use (though it's difficult to do without extensive knowledge), and I'm going to start on the market soon.

So far, the most difficult part has actually been deciding how plants will get "yield".  I decided to go a more simple route, where plants grow a certain amount each day, and when the growth gets above a certain amount, the plant gets a certain amount of yield.  The growth then reverts to zero.

I think at the end of each of these updates, I will post a picture showing my current progress.  Here's the first! (Click on it for full size)