{{htmlmetatags>metatag-robots=()
metatag-title=(DOUBLE BUFFER | ugBASIC User Manual)
metatag-keywords=(ugBASIC,Commodore 64,Commodore PLUS/4,ZX Spectrum)
metatag-description=(Manual page for DOUBLE BUFFER)
metatag-media-og:image=(:ugbasic:logo-ugbasic-fb.png)
metatag-og:title=(DOUBLE BUFFER | ugBASIC User Manual)
metatag-og:description=(Manual page for DOUBLE BUFFER)
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====== ugBASIC User Manual ======
===== DOUBLE BUFFER =====
===== SYNTAX =====
DOUBLE BUFFER
==== PURPOSE ====
The ''DOUBLE BUFFER'' instruction activates, where available, the double buffering functionality.
The double buffering is the use of more than one buffer to hold a screen data. So that a "reader"
will see a complete (though perhaps old) version of the data, rather than a partially updated
version of the data being created. It is very commonly used for computer display images.
==== EXAMPLE ====
DOUBLE BUFFER
==== ABBREVIATION ====
Db Bf
==== AVAILABLE ON ====
* Commodore 128 (MOS 8502)
* Commodore 64
*
* Olivetti Prodest PC128
==== ANY PROBLEM? ====
If you have encountered a problem using this command, if you think there is a bug or the explanation is unclear, please [[https://github.com/spotlessmind1975/ugbasic/issues/new?title=ISSUE ON DOUBLE BUFFER|open an issue]] for this keyword on GitHub. Thank you!===== POWERED BY =====
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