Maths: highNibble

       Name: highNibble                                              [Show more]
       Type: Variable
   Category: Maths
    Summary: Lookup table for the high nibble of a value
  Deep dive: Times tables and nibble arithmetic
    Context: See this variable in context in the source code
 References: This variable is used as follows:
             * DivideScaled uses highNibble
             * Multiply8x8 uses highNibble


 In the table below, highNibble,X contains the high nibble of X:

   X AND %11110000


.highNibble

 FOR I%, 0, 255

  EQUB I% AND %11110000

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