BitMaskRead

Description

Returns the integer created from length bits of number beginning from start.

Syntax

BitMaskRead(number, start, length)

Parameters

Parameter

Description

number
32-bit signed integer to mask

start
32-bit signed integer; the starting bit for reading

length
32-bit signed integer; the length of mask

Parameter	Description
number	32-bit signed integer to mask
start	32-bit signed integer; the starting bit for reading
length	32-bit signed integer; the length of mask

Usage

Bit functions operate on 32-bit signed integers, in the range -2147483648 to 2147483647.

Example

<!--- This example shows BitMaskRead --->
<html>
<head>
<title>BitMaskRead Example</title>
</head>

<body>
<H3>BitMaskRead Example</H3>

<P>Returns integer created from length bits of
number beginning with start.

<P>BitMaskRead(255, 4, 4): <cfoutput>#BitMaskRead(255, 4, 4)#
</cfoutput>
<P>BitMaskRead(255, 0, 4): <cfoutput>#BitMaskRead(255, 0, 4)#
</cfoutput>
<P>BitMaskRead(128, 0, 7): <cfoutput>#BitMaskRead(128, 0, 7)#
</cfoutput>

</body>
</html>