1-The following program is supposed to add the contents of memory location 8000 h to the Accumulator .The program works correctly only part of the time .Show that is wrong with the program and how to correct it. MOV B, A LDA 8000 ADC B HLT

C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter2: Problem Solving Using C++using
Section2.5: Variables And Declaration Statements
Problem 9E: (Practice) a. Using Figure 2.14 and assuming the variable name rate is assigned to the byte at...
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DISCUSSION:-
1-The following program is supposed to add the contents of memory location 8000 h to
the Accumulator .The program works correctly only part of the time .Show that is wrong
with the program and how to correct it.
MOV B, A
LDA 8000
ADC B
HLT
2-In a multibyte addition program, when must you use the ADD instruction? When must
you the ADC instruction?
3-Assume that regs pair HL contains the value 1234h .what does it contain after
executing the instruction DAD h?
4-Write a program to add the following 32-bit numbers. use the DAD,
LHLD and SHLD instructions.
1F20D43A h
+ B7248D6C h
Transcribed Image Text:DISCUSSION:- 1-The following program is supposed to add the contents of memory location 8000 h to the Accumulator .The program works correctly only part of the time .Show that is wrong with the program and how to correct it. MOV B, A LDA 8000 ADC B HLT 2-In a multibyte addition program, when must you use the ADD instruction? When must you the ADC instruction? 3-Assume that regs pair HL contains the value 1234h .what does it contain after executing the instruction DAD h? 4-Write a program to add the following 32-bit numbers. use the DAD, LHLD and SHLD instructions. 1F20D43A h + B7248D6C h
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