Except as otherwise specifically provided, Chapter 1 (commencing with Section 6100), Chapter 2 (commencing with Section 6110), Chapter 3 (commencing with Section 6120), Chapter 4 (commencing with Section 6130), Chapter 6 (commencing with Section 6200), and Chapter 7 (commencing with Section 6300) of this division, and Part 1 (commencing with Section 21101) of Division 11, do not apply where the testator died before January 1, 1985, and the law applicable prior to January 1, 1985, continues to apply where the testator died before January 1, 1985.