Question

The 8-bit registers R1, R2, R3, and R4 initially have the following values:

R1-11110010, R2-11111111, R3-10111001 ,R4 11101010

Determine the 8-bit values in each register after the execution of the following sequence of microoperations.

R1 <-R1 + R2

R3<-R3^R4,R2<- R2+1

R1 <- R1 – R3 

Answer 1

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