bitFieldExtract()

Purpose

Extract a number of bits from a binary number

Description

Extract the specified number of bits from a 32 bit signed binary number starting at the specified bit

Syntax

result = bitFieldExtract( number, start, count )

Arguments

number 32 bit signed binary number

start Start position (first position is 0)

count Number of bits to extract

result The specfied bits

Example

number = 0
for i = 0 to 16 loop
    number = bitSet( number, i, 1 )
    lowbyte = bitFieldExtract( number, 0, 8 )
    highbyte = bitFieldExtract( number, 8, 8 )
    printAt( 0, i , number, " ", lowbyte, " ", highbyte )
    update()
repeat
sleep( 3 )   

Associated Commands