Question: A 68020 assembly language instruction that uses a bit field operation with a complex effective address is: Write a suitable sequence of ARM processor operations

A 68020 assembly language instruction that uses a bit field operation with a complex effective address is: 

BFFFO ([8, A0, D1*4], 4) (D2, D3 }, D4

Write a suitable sequence of ARM processor operations that would perform the same action. Assume that the target address is a 32-bit word.

BFFFO ([8, A0, D1*4], 4) (D2, D3 }, D4

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