what is address offset

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my code is :

x = x & 0xffff
x << 8

I don't know whether 0xffff is an address offset or hex number.

Posted 7-Sep-11 18:25pm

clodcldo

Updated 7-Sep-11 20:07pm

Malli_S

v2

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3 solutions

Solution 2

offset is used to avoid the duplicate.
In your case, to avoid the duplicate of the address, for each value of x the hexa decimal value is 'AND' ed.
so that there is not chance of duplicating.
But i wonder y such a big hexa number you are using.

Posted 7-Sep-11 18:55pm

Arun Parthasarathy

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Stefan_Lang · Accepted Answer · 2011-09-08T04:54:00

The prefix '0x' indicates a hexadecimal number. Whether it refers to an address or any other quantity entirely depends on your code as it's only a way of representation.

C++

int number_of_apples = 0x13;                        /* 19 apples */
short int number_of_fields_on_checker_board = 0100; /* octal number for 64 */
void* pointer_to_nowhere = 546233512;               /* points to the address 546233512 */

Prerak Patel · Accepted Answer · 2011-09-07T18:37:00

Solution 1

It is just a value (65535) in Hex.

Posted 7-Sep-11 18:37pm

Prerak Patel