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Articles by Samual Sam
Page 150 of 151
Instruction type MVI M, d8 in 8085 Microprocessor
In 8085 Instruction set, this instruction MVI M, d8 is used to load a memory location pointed by HL pair with an 8-bit value directly. This instruction uses immediate addressing for specifying the data. It occupies 2-Bytes in memory. Mnemonics, Operand Opcode(in HEX) Bytes MVI M, Data 36 2 As an example, we can consider MVI M, ABH as an example instruction of this type. It is a 2-Byte instruction, with opcode for MVI M using up one Byte, and ABH using up another more Byte. We are considering that HL register pair is ...
Read MoreInstruction type STA a16 in 8085 Microprocessor
In 8085 Instruction set, STA is a mnemonic that stands for STore Accumulator contents in memory. In this instruction, Accumulator8-bit content will be stored to a memory location whose 16-bit address is indicated in the instruction as a16. This instruction uses absolute addressing for specifying the destination. This instruction occupies 3-Bytes of memory. First Byte is required for the opcode, and next successive 2-Bytes provide the 16-bit address divided into 8-bits each consecutively. Mnemonics, Operand Opcode(in HEX) Bytes STA Address 32 3 Let us consider STA 4050H as an example instruction of this type. ...
Read MoreInstruction type LDAX rp in 8085 Microprocessor
In 8085 Instruction set, LDAX is a mnemonic that stands for LoaD Accumulator from memory pointed by eXtended register pair denoted as “rp” in the instruction. This instruction uses register indirect addressing for specifying the data. It occupies only 1-Byte in the memory. This rp can be either BC register pair represented by B or DE register pair represented by D.Note that LDAX H is not provided in 8085 instruction set. This is because, LDAX H is the same as MOV A, M in its function. Mnemonics, Operand Opcode(in HEX) Bytes LDAX B 0A 1 ...
Read MoreInstruction type LHLD a16 in 8085 Microprocessor
In 8085 Instruction set LHLD is a mnemonic that stands for Load HL pair using Direct addressing from memory location whose 16-bit address is denoted as a16. So the previous content of HL register pair will get updated with the new 16-bits value. As HL pair has to be updated, so data comes from two consecutive memory locations starting at the address a16 and also from next address location. This instruction uses absolute addressing mode for specifying the data in the instruction. It occupies 3-Bytes in the memory. Mnemonics, Operand Opcode(in HEX) Bytes LHLD Address 2A ...
Read MoreInstruction type ADD R in 8085 Microprocessor
In 8085 Instruction set, ADD R is a mnemonic that stands for “Add contents of R to Accumulator”. As addition is a binary operation, so it requires two operands to be operated on. So input operands will reside on Accumulator and R registers and after addition the result will be stored back on to Accumulator. In this case, “R” stands for any of the following registers or memory location M pointed by HL pair. R = A, B, C, D, E, H, L, or M It is 1-Byte instruction so occupies only 1-Byte in memory. As R can ...
Read MoreUse of Function modules in SAP ABAP to change address independent communication data for BP
You can change address independent communication data using Function Modules like BAPI_BUPA_CREATE_FROM_DATA and BAPI_BUPA_CENTRAL_CHANGE and other FM’s in the same category.Function Module: BAPI_BUPA_CREATE_FROM_DATA Function Group: BUBA_3 Program Name: SAPLBUBA_3 Following are the parameters:Function Module: BAPI_BUPA_CENTRAL_CHANGEFunction Group: BUBA_3 Program Name: SAPLBUBA_3Following are the parameters:Functional Group: BUBA_3You have lot many function modules that comes under function group BUBA_3, Few of them are below and their description:BAPI_BUPA_CREATE_FROM_DATASAP BP, BAPI: Create Business PartnerBAPI_BUPA_ADDRESSES_GETSAP BP, BAPI: Determine All AddressesBAPI_BUPA_EXISTENCE_CHECKSAP BP, BAPI: Check Existence of Business PartnerBAPI_BUPA_GET_NUMBERSSAP BP, BAPI: Read Business Partner NumbersBAPI_BUPA_ADDRESS_GETDETAILSAP BP, BAPI: Read ...
Read MoreWhat is the difference between >> and >>> operators in Java?
>> Binary Right ShiftThe left operand value is moved right by the number of bits specified by the right operand.>>> Shift right zero fillThe left operand value is moved right by the number of bits specified by the right operand and shifted values are filled up with zeros.
Read MoreCan a class in Java be both final and abstract?
An abstract cannot be instantiated. Therefore to use an abstract class you need to create another class and extend the abstract class and use it. If a class is final you can’t extend it further. So, you cannot declare a class both final and abstract. Example Still if you try to do so you will get a compile time error saying “illegal combination of modifiers:” final abstract class Demo{ public final void display(){ System.out.println("Hello welcome to tutorialspoint"); } } Output C:\Sample>javac Demo.java Demo.java:1: error: illegal ...
Read MoreIs it necessary that a try block should be followed by a catch block in Java?
Not necessarily catch, a try must be followed by either catch or finally block. Example import java.io.File; public class Test{ public static void main(String args[]){ System.out.println("Hello"); try{ File file = new File("data"); } } } Output C:\Sample>Javac Test.java Test.java:5: error: 'try' without 'catch', 'finally' or resource declarations try{ ^ 1 error
Read MoreWhat are native methods in Java and where are they used?
A native method in Java is a method whose implementation is written in other languages such as c and c++. The ‘native’ keyword is used before a method to indicate that it is implemented in other language.
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