Microprocessor & Assembly Language

Describe the operation and results of the following instructions with the given register values, AX =A407, BX= 24B3, CX= 0002, DX= FFFA, SI=4200,

a) ADD AX, [BX][SI]

b) ROL AX, CL

c) JMP BX

d) IN AL, DX

2. Explain six conditional flags and three control flags with examples.

3. a) What is the role of clock in Microprocessor?

b) Write a delay loop which produces a delay of 500 Microseconds on an8086 with a 5-MHz clock.

4. Write an algorithm for a program which adds a byte number from one memory location to a byte from the next memory location, puts the sum in the third memory location.

5. Compute the average of 4 bytes stored in an array in memory