(a) Explain the following instructions of 8085 $\mu\text{P}$ with rel…

Question

(a) Explain the following instructions of 8085 $\mu\text{P}$ with relevant examples : 10

(i) DAA

(ii) SBB

(iii) ORA

(iv) POP

(v) RAR.

(b) Draw the interfacing of I/O using Decoders (3 to 8), tristate buffers and latch. One side of tristate buffer is connected with 8 switches. The other side of 8 bit latch is connected with 8-LED's. Read date from switches and write to LEDs. Write instructions to the process. 10