Examining and modifying the contents of the 8086's internal registers1. Use the REGISTER command to display the current contents of all the internal registers bytyping R.o List the values of the following registers:o What is the address of the next instruction to be executed?2. Enter the command. R AH (hit CR) What happens and why?3. Use a REGISTER commandl to first display the current contents of BX and then change thisvalue to 0020h.

Examining and modifying the contents of the 8086's internal registers 1. Use the REGISTER command to display the current contents of all the internal registers by typing R. o List the values of the following registers: AN CN WEN o What is the address of the next instruction to be executed? 2. Enter the command. R AH (hit CR>) What happens and why? 3. Use a REGISTER command to first display the current contents of BX and then change this value to 0020h.

Examining and modifying the contents of the 8086's internal registers 1. Use the REGISTER command to display the current contents of all the internal registers by typing R. o List the values of the following registers: AN CN WEN o What is the address of the next instruction to be executed? 2. Enter the command. R AH (hit CR>) What happens and why? 3. Use a REGISTER command to first display the current contents of BX and then change this value to 0020h.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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4- What should be the value of { N } loaded to CX register in the following assembly subroutine so that its execution time will be 150 µsec, if you know that the operating frequency of the microprocessor is 10 MHz? MySub Proc Near PUSH CX PUSH rog POP reg JNZ DEC reg ADD regreg ADD reg value 1IT MOV regreg MOV regvalue 41 27 8T MOV CX, N Back: NOP NOP 17/ST 164T LOOP CALL RET NOP 19T 3T LOOP Back РОР СХ 16T 3T RET 3T 4T MySub ENDP
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