or [ebp-0x3], 0x8 // dereference the value of edp-0x3, and OR it with 0x8
mov eax, [ebx] // store 4 bytes at location ebx into eax
mov eax, [ebx+esi*4] // store 4 bytes at ebx+esi*4 into eax (allows for expressions within which is special)Note that [] serve a different purpose in Load Effective Address
Example With Malloc Fun
