The SEPARATE ALPHA FROM GRAPHICS mode is the opposite of MERGE ALPHA WITH GRAPHICS. When separate, one or more bit plane is reserved for alpha text and the remaining planes are reserved for graphic output. The alpha and graphic planes can then be turned on or off or DUMPed independently. However, ALPHA text color and graphic pens are limited as shown in the following table.
The following table shows the colors available when SEPARATE ALPHA FROM GRAPHICS is used, depending on the total number of colors available.
