Fix !, y and j functions of cc2
Fix !, y and j functions of cc2

! is an unary operator, not a binary. y and j are special cases where they don't
push or pop anything. I don't know how to handle them, but this is a good case
where is better mark them as invalid and do it later.

k0gaMSX/scc,8l/scc,k0gaMSX/scc,k0gaMSX/kcc,k0gaMSX/kcc,8l/scc,k0gaMSX/scc,8l/scc