Nice cursor, nice spells

Cursor got fixed, seems like googling Amiga hardware sprites is all it needed. Also found the bug with the spell symbols, a petty toUpper call in the text drawing method, dunno what is was doing there in the first place. Long story short, dungeon looks a lot nicer now, palette needs a fix and then it will truly look splendid (sans some scrabbled textures). Here, have nice GIFshot: