Double buffering

[Jonathan Hayward <christos.jonathan.hayward@xxxxxxxxx>]

I have a table of 16x16 pixel pictures (some of which have transparency
so I can use multiple icons to paint a picture). Most of the I/O in my
game will be redrawing what I'm using the table to represent. How can I
double buffer, so the player has a reasonably smooth experience as the
maps are redrawn? (There is no fixed frame rate as the picture updates
after the player moves, it doesn't need to be ultra-optimized to
squeeze the last drop of performance, and it's OK if it occasionally
flickers.)

How can I do double buffering so that I make a picture by putting 16x16
pictures into a table (and copy to the screen when it's complete)?

Thanks,

-- 
++ Jonathan Hayward, jonathan.hayward@xxxxxxxxx
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