Patent ID: 8195889

Claim:
A method, comprising: receiving a first address; determining a first address range based on the first address, the first address range including a second address range sequentially contiguous with a third address range, wherein the first, second, and third address ranges are a linear sequence of contiguous addresses; in response to determining the first address is in the second address range: determining a fourth address range, addresses of the fourth address range different from and sequentially contiguous with addresses of the first address range; and retrieving first information from a memory in response to determining a second address is in the first address range or the fourth address range; and in response to determining the first address is in the third address range: determining a fifth address range in response to determining the first address is in the third address range, addresses of the fifth address range different from and sequentially contiguous with addresses of the first address range; and retrieving second information from a memory in response to determining the second address is in the first address range or the fifth address range.