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bitReplace

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This function returns the unsigned number formed by var value with replacement specified at bits field to field + width - 1

Syntax

uint bitReplace ( uint var, uint replaceValue, int field, [ int width = 1 ] )
Required Arguments
  • var: The value
  • replaceValue: The replaceValue
  • field: The field number
Optional Arguments

NOTE: When using optional arguments, you might need to supply all arguments before the one you wish to use.

  • width (default: 1): Number of bits to extract

Returns

  • uint: value

Returns the replaced value/bit sequence.

Code Examples

shared 
function replaceColorAlpha(color, alpha)
   return bitReplace(color,alpha,24,8) -- return value with replaced bits 24-32 ( the alpha, http://en.wikipedia.org/wiki/RGBA_color_space )
end

See Also

Utility Functions
Reference