Cheat Engine

[yazigegeda]

Who can explain the difference between memory and physical memory in detail?

[Dark Byte]

Virtual memory is a custom layout of physical memory split into blocks of 4096 bytes
Virtual memory points to a physical address, or it points to nowhere

example: (VA=Virtual Address, PA=Physical Address)
VA 0 points to PA 0x12345000
VA 0x1000 points to PA 0x03213000
VA 0x2000 points to nowhere
VA 0x3000 points to PA 0x03213000

If you access virtual address 0, you actually access the memory at physical address 0x123450000
if you write to the virtual address 0x1000 and then read the virtual address 0x3000 you will read what you wrote at 0x1000 as the virtual memory points to the same physical memory
if you try to access 0x2000 you will get a pagefault error

[yazigegeda]