Constructing bit fields

Factor handbook » The language » Numbers » Arithmetic » Bitwise arithmetic » Additional bitwise arithmetic

Factor handbook » The language » Numbers » Arithmetic » Bitwise arithmetic » Additional bitwise arithmetic

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Some applications, such as binary communication protocols and assemblers, need to construct integers from elaborate bit field specifications. Hand-coding this using shift and bitor results in repetitive code. A higher-level facility exists to factor out this repetition:

bitfield ( bitspec -- quot )