M-n, M-p. M-r for searching on past commands. C-c c-n/C-p for next/previous prompt. C-c C-r to scroll to focus on output.

Having switched recently to Emacs, my current issue is how to get Emacs shell history saved properly for my other shell buffers, and getting completions from shell (not Emacs) to work, planning to try MisTTY soon.