qa.hlp (Table of Contents; Topic list)
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Int 10H Function 10H Subfunction 1BH
   Summary  Notes  Back
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  Description:  Set Gray-Scale Values      [MCGA] [VGA]
 
  Transforms the red, green, and blue values of one or more color regis-
  ters into the gray-scale equivalents.
 
  Input                                   Output
  ════════════════════════════            ═══════
  AH=10H                                  Nothing
  AL=1BH
  BX=first color register
  CX=number of color registers
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