Problem
1. Why do bit field instructions number bits from the most significant bit of the effective address of the bit field?
2. Why do some of the 68020's new addressing modes incorporate a scale factor?
3. What is the difference between postindexing and preindexing (when applied to the 68020's memory indirect addressing)?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.