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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
Instruction Cycle The instruction cycle consists of a series of steps needed for the implementation of an instruction in a program. A typical instruction in a program is descri
System Software 1. Explain MASM? Explain its features. 2. What is the significance of Lexical analysis and Syntax analysis? 3. Explain macros and macro processors? Explai
How does the interaction between the Dynpro and the ABAP/4 Modules takes place? -A transaction is a collection os screens and ABAP/4 routines , controlled and implemented by a
Problem: (a) What do you understand by the principle of locality of reference and explain how this is exploited in cache design. (b) Consider a 32-bit microprocessor that h
Shift Microoperations Shift microoperation can be used for serial transfer of the data. They are used generally with arithmetic, logic and other data-processing operations. The
Q. What is Read-only-Memory? Read only memory is an illustration of a Programmable Logic Device (PLD) it implies that binary information which is stored within a PLD is specifi
What is an I/O channel? An I/O channel is actually a special purpose processor, also known as peripheral processor. The main processor initiates a transfer by passing the need
Classification Based On Grain Size This classification is based on identifying the parallelism in a program to be implemented on a multiprocessor system. The plan is to recog
Explain the importance of computer architecture Studying the architecture implies working on machine language programs. However, this isn't practical when we design a computer
Navigation to a subsequent screen can be specified statically/dynamically Yes, navigation to a subsequent screen can be specified statically.
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