Screen buffer: zeroIfYIs55

       Name: zeroIfYIs55                                             [Show more]
       Type: Variable
   Category: Screen buffer
    Summary: A lookup table for zeroing Y if and only if it is &55
    Context: See this variable in context in the source code
 References: This variable is used as follows:
             * DRAW_BYTE uses zeroIfYIs55


.zeroIfYIs55

 FOR I%, 0, 255

  IF I% = &55
   B% = 0
  ELSE
   B% = I%
  ENDIF

  EQUB B%

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