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Inherent addressing
Here the address is already built in to the instruction i.e. inherent to the code ABA ; Add A to B and store the answer in A Simple programs using the 68HC11 language
This section of functions include instructions such as ALU functions, simple movement and logically operations .Let us consider the addition of two 8 bit numbers
Program One: Data is immediate LDAA #$fe ; Load hex fe into accumulator A ADDA #$1 ; Add 1 hex to A i.e total = ff hex Program two: Direct addressing and extended addressing
Assume the data is stored at the following Ram address
Address Data 501 fe Number One 502 01 Number Two 503 Result LDAA $501 ;Load fe from address 501 into A ADDA $502 ;Add 01 from address 502 into A STAA $503 ;Store the answer ff at address 503 Program three: Index addressing
Address Data 500 fe Number One 501 01 Number Two 502 Result LDX #$500 ;Load IX with 500 base address LDAA $0,X ;Load data from 500 + 0 into A i.e fe ADDA $1,X ;Add data from 500+1 to A i.e ff STAA $2,X ;Store A at address 500+2
What are conditional chain statement? ON CHAIN-INPUT similar to ON INPUT. The ABAP/4 module is called if any one of the fields in the chain having a value other than its in
Define ABAP/4 layer? The ABAP/4 layer defines the data formats used by the ABAP/4 processor.
Encapsulation of OOA Encapsulation separates the interface of an abstraction from its implementation. By taking the above example i.e. of a car, we can now categorize them as:
Objects, messages, class, inheritance and polymorphism are the major concepts of object orientation.
Make a console application. Add class 'Account' having variables as num (integer) name (String), bal (double), ac_code (byte). Describe four different constructors to initialize th
What is logical address space and physical address space? The set of all logical addresses generated by a program is known as a logical address space; the set of all physical a
what is physical data structure in internals of rdbms?
Q. Describe Memory and Memory unit? Input devices can fetch instructions or data only sequentially though a program may or may not be executed sequentially because looping, jum
What is a compiler? A Compiler is a program that accepts a program written in a high level language and creates an object program.
Write a main function that opens an ifstream on the input file, "person.dat". If the stream cannot be opened, output an error message and exit. The file format is as foll
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