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KEYWORDS
: Items in capital letters indicate BASIC keywords. Keywords are a required part of the statement syntax, unless they are enclosed in brackets. You must spell keywords correctly. -
placeholders
: Items in lowercase are placeholders for information you must supply in the statement, such as a filename. -
[optional item]
: Items inside square brackets do not need to be used in the statement. -
<choice1|choice2>
: Angle brackets and a vertical bar indicate a choice between two or more items. You must use one of the items in the statement unless the angle brackets are enclosed in square brackets, e.g.[<optional1|optional2>]
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item, item, …
means several of the preceding items can be used in a single-line statement.
Note
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The uppercase and lowercase syntax notation conventions are used to help you read the syntax rules for a statement, and are not capitalization rules you must type in. Neither keywords nor variable and procedure names are case-sensitive. |
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Video memory refers to all random-access memory residing on the video controller chip.
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Pixel memory refers to the parts of video memory that represent pixels, including the visible screen and the off-screen area that can be accessed by graphics commands and functions.
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A range is a way to specify a set of numbers by giving a start and/or an end. The following forms are allowed:
num
A single number.
-num
All numbers up to and including num
num-
All numbers from num.
num1-num2
All numbers between num1 and num2, inclusive.