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 -Gu                 Treat bytes as unsigned
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 Syntax
   -Gu

 Arguments
   None.

 Default
   Byte constants are signed.

 Description
   The -Gu switch instructs the compiler to treat byte constants as
   unsigned. By default, byte values as hadnles as signed, i.e. ranging from
   -128 up to 127. This can cause unexpected results, for example when using
   byte values to represent keyboard character codes above 127. Using the
   -Gu option makes the compiler treat bytes as unsigned, i.e. ranging
   from 0 up to 255.

   Setting bytes to unsigned has no effect on displaying these numerics on
   the screen.

 Example
   . Treat bytes as unsigned.
   
     force.exe -Gu test.prg
   
   . Treat bytes as signed (override the effect of a -Gu switch in
     force.cfg).
   
     force.exe -Gu- test.prg