HiWord
 
Macro to return the high word of an expression

Syntax

#define HiWord( x ) (CUInt(x) Shr 16)

Usage

result = HiWord(x)

Parameters

x
Number to retrieve high-word from.

Return Value

The most significant word of x.

Description

A word is 2 bytes and a byte is 8 bits. This is best understood by an example.

Example

Dim N As UInteger

'Note there are 32 bits
N = &b10000000000000011111111111111111

Print "N is                                       "; N
Print "The binary representation of N is          "; Bin(N)
Print "The most significant word (MSW) of N is    "; HiWord(N)
Print "The least significant word (LSW) of N is   "; LoWord(N)
Print "The binary representation of the MSW is    "; Bin(HiWord(N))
Print "The binary representation of the LSW is    "; Bin(LoWord(N))

Sleep


The output would look like:
N Is                                       2147614719
The Binary representation of N Is          10000000000000011111111111111111
The most significant word (MSW) of N Is    32769
The least significant word (LSW) of N Is   65535
The Binary representation of the MSW Is    1000000000000001
The Binary representation of the LSW Is    1111111111111111

Dialect Differences

  • Not available in the -lang qb dialect unless referenced with the alias __HIWORD.

Differences from QB

  • New to FreeBASIC

See also