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The BP register is an index register that allow convenient access to arguments and local variable in the stack frame, because its use automatically selects the stack segment register. It is usually initialized with the value of the stack pointer at some point in the function routine, so that addresses above BP represent arguments and addresses below BP represent local variables.
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What is the BP pointing registers default memory segment?
SS
What are the types of microprocessor register?
Microprocessor consists of different types of registers. They special purpose registers, general purpose registers, address registers, floating point registers and constant registers.
What are the register in mocroprocessor 8085?
There are two types of registers such as: a) General purpose registers b) Special purpose registers
What categories of data are commonly supported by user-visible register?
User-visible registers commonly support several categories of data, including general-purpose data for arithmetic and logic operations, control and status information, and memory addresses for data manipulation. They may also include special-purpose registers for specific functions like instruction pointers or stack pointers. Additionally, some architectures provide registers for floating-point operations and SIMD (Single Instruction, Multiple Data) processing. Overall, user-visible registers facilitate efficient data handling and processing within the CPU.
What are the three general methods for passing parameters to the operating system?
Stacks, pointers and registers
What were the minimum and maximum number of general purpose registers that a Univac LARC supercomputer could have?
UNIVAC LARC had 26 general purpose registers, but could be expanded to 99 registers, if required.
How General register organization in CPU?
The registers in a CPU are organized according to their purpose. There are data registers and address registers. The address registers are in charge of pointing out where certain data stores are.
What are the 4 general purposes registers?
Cash register School Register -------------------- processor register User-accessible Registers Data registers Address registers Conditional registers General purpose registers Floating point registers Constant registers Special purpose registers Instruction registers Model-specific registers Control and status registers Memory buffer register Memory data register Memory address register Memory Type Range Registers Hardware registers
What is the purpose of registers?
The purpose of any register is to keep records: a register is a database.
List the16-bit general purpose registers in amd64 architectures?
All 16 of the x64 architecture's G.P. registers can be addressed as 16-bit registers, using the names AX, BX, CX, DX, SI, DI, BP, SP, R8w, R9w, R10w, R11w, R12w, R13w, R14w, and R15w. Using SP as a G.P. register is not a good idea, however, since this will conflict with its function as the stack pointer.
What is the difference between General Purpose Registers and Special Purpose Registers?
general purpose registers are basically used to hold temporarily data and intermediately result. example: ax,bx,cx,dx each of 16 bits. whereas special purpose register are primely used for memory access. it is of two types : 1. segment register and 2. index register/ pointer
2 Explain the register Organization of Zilog 28000?
Z8000 consists of sixteen 16-bit general purpose registers, which can be used for data, address and indexing. The designers of this machines felt that it was useful to provide a regularized, general set of registers than to save instruction bits by using special purpose registers. Further the way the functions are assigned to these registers is the responsibility of the programmer. There might be different functional breakdown for different applications.A segmented address space 7-bit is used. It uses 7-bit segment number and a 16-bit offest. It uses two registers to hold a single address. There are two other registers called stack pointers that are necessary for stack module. One register used for system mode and one for normal mode.Z8000 consists of five other registers that are related to program status. Two registers hold the program counter and two registers hold the address of a program status area in the memory. A 16-bit flag register called Flag control word holds various flags status and control bits.
