AUTODISPLAY: Difference between revisions
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* [[_AUTODISPLAY]] is on by default and displays the screen at around 30 frames per second (normal vertical retrace speed). | * [[_AUTODISPLAY]] is on by default and displays the screen at around 30 frames per second (normal vertical retrace speed). | ||
* [[_DISPLAY]] disables automatic graphic displays, but it also eliminates having to use PCOPY or page flipping when used correctly. Placing _DISPLAY after screen draws or other screen changes assures completion of the changes before they are displayed. The speed of QB64 code execution makes this a viable option. | * [[_DISPLAY]] disables automatic graphic displays, but it also eliminates having to use PCOPY or page flipping when used correctly. Placing _DISPLAY after screen draws or other screen changes assures completion of the changes before they are displayed. The speed of QB64 code execution makes this a viable option. | ||
* The [[_AUTODISPLAY (function)]] can be used to detect the current display behavior. | * The [[_AUTODISPLAY (function)]] can be used to detect the current display behavior. | ||
Revision as of 23:02, 22 January 2023
The _AUTODISPLAY statement enables the automatic display of the screen image changes previously disabled by _DISPLAY.
Syntax
Description
- _AUTODISPLAY is on by default and displays the screen at around 30 frames per second (normal vertical retrace speed).
- _DISPLAY disables automatic graphic displays, but it also eliminates having to use PCOPY or page flipping when used correctly. Placing _DISPLAY after screen draws or other screen changes assures completion of the changes before they are displayed. The speed of QB64 code execution makes this a viable option.
- The _AUTODISPLAY (function) can be used to detect the current display behavior.
See also