Memory Segment - Logical Address (pointers)

Cpu Memory Management Segmented Model

Memory Segment - Logical Address (pointers)


To address a byte in a segmented model, a program uses an address called a logical address

Logical addresses are often referred to as pointers.




Logical Address Segment


  • The following segment address identifies the byte at address FF79H in the segment pointed by the DS register


Discover More
Cpu Memory Management Segmented Model
Code Segment (CS)

The code segment is a segment that stores the code data type of a program. Ie it stores the instructions being executed. The next instruction to be executed in the code segment is located by the...
Card Puncher Data Processing
Instruction - Fetch

Fetch is a step in the the cycle of an instruction. The processor fetches instructions from the code segment, using a logical address that consists of: the segment selector in the CS register ...
Cpu Memory Management Flat Model
Linear Address Space

In a linear address space, memory appears to a program as a single, continuous address space. An address for any byte in linear address space is called a linear address. One Linear address corresponds...
Card Puncher Data Processing
Memory - Logical Address Space

A logical address space is an address space that contains all logical address of a segment. 1 logical address space = 1 segment
Card Puncher Data Processing
Memory - Physical Address

in computer memory Same as ?? OSvirtual address When storing and retrieving data from memory, an offset is used to determine the location in which the data is stored. This is fixed-length sequences...
Cpu Memory Management Segmented Model
Memory - Segment

A memory segment is the division structure of the segmented memory model. The physical address spec (physical memory) of the primary memory is divide by segment. See virtual memoryvirtual segment ...
Logical Address Segment
Memory Segment - Offset - (Relative|Effective) address

The offset is the second part of a logical address that permits to locate an Address inside a memory segment A offset is not an address but the (distance|id) of this Address from the start of a memory...
Cpu Memory Management Segmented Model
Memory Segment - Segment Selector

A segment selector is the unique identifier of a segment and is used in the first part of logical address. See logical address syntax It is a special pointer that identifies a segment in memory. Its...
Z80 Registers
Pointer Register

same as ???

Share this page:
Follow us:
Task Runner