At the sixth week I have done:
- fixes of game bugs. Thanks, Henke37 for bug reports.
 - code cleanup
 - implemented recalculation of walking sprites.
 - added debug commands to list/goto modules, pages, to look/set variables, to add items.
 
This is how walking looked like before implementing frames recalculation:

After:

I have opened the pull request to merge engine with ScummVm’s repository.
Next week I will implement the game menu.