20 Aug 96 20:37, Frank Adam wrote to Andrew Clarke:

 > #define vm_mkcolor(fore,back)  ((fore) | (back << 4))

OK.

 > #define Set_Attrib(fore,back) (((back << 4) + fore) & 127)

OK, if you want the parameters reversed, this should read:

  #define Set_Attrib(back,fore) (((back << 4) + fore) & 127)

 > printf("\n %d",vm_mkcolor(1,10));

Blinking blue text on a light green background.

 > printf("\n %d",Set_Attrib(1,10));

Light green text on a blue background.

 > Output will be   161 i 
 >                  33  !

161 - 128 = 33.

Regards
Andrew

-- randy{at}zws.com

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