Question

Draw a datapath that can perform the following set of register replacement and combinational operations. Assume all registers are 8 bits wide. Assume that A and B are 8-bit inputs; assume that S and T are 1-bit inputs, and that Y is an 8-bit output. Assume all registers share a positive-asserted reset signal; when it is asserted, all registers reset to 0. If (S == 0) then (R9 <- A) If (T == 0) then (R10 <- B) If (S == 1) then (R8 <- R9) Else if (T == 0) then (R8 <- R10 + 1) Else if (T == 1) then (R8 <- 0) Y = R8 + R10 [combinational]

Answer 1

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