(a) All criminal actions and proceedings commenced upon or after the
effective date thereof and all appeals and other post-judgment
proceedings relating or attaching thereto; and
(b) All matters of criminal procedure prescribed in this chapter
which do not constitute a part of any particular action or case,
occurring upon or after such effective date.
2. The provisions of this chapter apply to (a) all criminal actions
and proceedings commenced prior to the effective date thereof but still
pending on such date, and (b) all appeals and other post-judgment
proceedings commenced upon or after such effective date which relate or
attach to criminal actions and proceedings commenced or concluded prior
to such effective date; provided that, if application of such provisions
in any particular case would not be feasible or would work injustice,
the provisions of the code of criminal procedure apply thereto.
3. The provisions of this chapter do not impair or render ineffectual
any proceedings or procedural matters which occurred prior to the
effective date thereof.