Part 2: Examining and Modifying the Contents of the 8086 's Internal Registers Now we will use the REGISTER command to first examine the initial contents of the 8086 's internal registers and then modify the values in some of the registers and state of the flags. Procedure 1. Use the REGISTER command to display the current contents of all of the 80x86's internal registers. List the initial values held in CS, DS, and SS. Calculate the physical address of the next instruction to be executed. What is the instruction held at this address? Calculate the physical address of the current top of the stack. 2. Enter the command RAH ( ) What happens? 3. Use a REGISTER command to first display the current contents of CX and then change this value to 10H. 4. Issue a REGISTER command to first display the current contents of IP and 5. Use the REGISTER command to display the current contents of the flag register and then change the state of the parity flag to represent even parity. 6. What instruction is now pointed to by CS:IP