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How many bits are contained in a register pair?

A register pair typically consists of two registers, each of which can contain a specific number of bits, commonly 8, 16, or 32 bits, depending on the architecture. Therefore, the total number of bits in a register pair is double the bit width of a single register. For example, if each register is 16 bits, the register pair would contain 32 bits.


What is register addressing mode?

If 8 or 16 bit data is required for executing the instruction present in register/register pair and named of register/register pair is given along the register.this instruction is called register addressing mode instruction.for example:MOV B,A


Why H-L pair register in 8085 is called special purpose register?

hl pair holds the address of the location pointed by the memory pointer M


What is LDAX?

The LDAX/STAX instuctions in the 8085 load and store the accumulator. The target address used is contained in either the BC register pair (LDAX D), or the DE register pair (LDAX D).


What is HL pair in 8085 microprocessor?

HL is a register pair used to store 16 bit of data in 8085 microprocessor.


Why hl register pair special pair register?

The HL register pair in microcontrollers and microprocessors, such as the Intel 8085, serves as a special-purpose register for efficient data manipulation. It can hold a 16-bit address or a 16-bit data value, allowing for easy access to memory locations and facilitating operations like indirect addressing. This capability makes it particularly useful for pointer arithmetic and managing data in memory, enhancing the overall efficiency of program execution.


Why zero flag is not set in INX instruction of microprocessor 8085?

Because that is the way Intel designed the INX instruction of the 8085. The 8080 is also the same. INX increments (and DCX decrements) the 16 bit register pairs or BC, DE or HL, depending on what register pair you specify in the INX (or DCX) instruction. To check is the value is 0 after an INX (or DCX) instruction, you need to OR the values of the register pair into the A register. For example..... INX H ;increment HL register pair MOV A,H ; move H register into the accumulator ORA L ; Logical OR it with the L register JZ ADDR ; If 0 then jump to ADDR


What is the mean of impairment of the assets?

what is mean by assets register?


What does Paire mean in french?

A pair, as in a pair of shoes.


How do you register firearms with US customs?

It depends on what you mean. There is no requirement to register firearms in the U.S.


How do you do DCX D in Intel 8085 microprocessor?

DCX D means decrement register pair DE by one


What is difference between INR and INX instruction?

INR increment the content of register/memory by 1and result is stored in same place. INX increment the register pair by 1(no flags are affected)