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A value of 6 creates a copy of the active palette. The copy
receives the ID specified by the last Palette Control ID
command. For example, to copy the active palette to a
palette with an ID of 14, send ?&p14i6C. The copied
palette overwrites any palette that already has an ID
equal to the palette control ID. The copied palette does
not become the active palette. The command is ignored if
a palette is to be copied to its own ID.
The Palette Control command provides a way of managing
system memory by deleting palettes in either the stack or
store that are no longer in use.
Palette Control that is exercised during macros can have
significant impact on palettes that exist within the system.
Deleting all palettes, or those on the stack, or the current
palette, or all those except on the stack can have adverse
effects when the macro is exited. The adverse effect could
be the deletion of the desired palette, and replacement with
a black and white non-programmable palette.
3-10 Using Palettes3-10 Using Palettes