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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
Assembler: Typically a modern assembler makes object code by translating assembly instruction into op codes, & by resolving symbolic names for memory locations and any other e
How the temperature effecting the delays in a chip The delays are directly proportional to the temperature. As the temperature enhances the delays are enhances and chip wil
Explain two dimensional array In two dimensional arrays, array is a pointer-to-pointer-to-data type.: at the first level, it points to a block of pointers, one for each row. Th
What is Assembler An assembler is a program which takes as input a symbolic language program and produces output as its binary machine language equivalent. The input is known a
Q. Define the Circular shifts ? Circular shifts ROTATE RIGHT andROTATE LEFT. Bits shifted out at one end of word are not lost as in a logical shift however are circulated back
Explain path testing. Path Testing: Testing in which all paths in the program source code are tested at least once. Path testing has been one of the first test methods, and e
Any function can be expressed in a truth table.A truth table lists all possible combinations ofinputs and gives the output produced in eachcase.Truth tables must include all combin
Superscalar architecture was designed to increase the speed of the scalar processor. But it has been realized it's not easy to apply. Subsequent are a number of problems faced in t
What is Hamiltonian path? A Hamiltonian path in a directed graph G is a directed path that goes through every node exactly once. We consider a special case of this problem whe
a ship is loaded with a stock of 3 items each unit of item n has a wt wn and vn the max cargo wt the ship can take is the details of 3items are item(n):1 2 3 wt(wn):2 3 1 value(vn)
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