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ABS( )
ABS - convert a negative number to a positive number. History ABS was first seen in Dartmouth BASIC. Syntax pnum = ABS ( num ) pnum - returned positive number num - number to convert to a...
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AND
This article is a stub. You can help improve Basic Programming Wiki Complete by expanding it. AND - comparison and logical operator Description AND is a comparison operator when used with the...
BASIC
This article is a stub. You can help improve Basic Programming Wiki Complete by expanding it. BASIC Guide BASIC is a group of programming languages that use a syntax similar to that of...
BASIC Wiki
BYE
Syntax BYE Description BYE was used in the days when BASIC was considered a time-sharing language and everyone used dumb terminals to access a larger mainframe computer. BYE shut down the BASIC...
CHR$( )
Syntax AS$ = CHR$( NU ) AS$ - returned ASCII character. NU - number to convert to an ASCII character. Description CHR$() converts a number to an ASCII character. In classic computers his is...
CLS
Syntax CLS Description CLS clears the screen of text and graphics. The use of CLS in older BASIC dialects was not universal. Some old computers required you to change graphics modes in order to...
DIM
Syntax DIM varName [as dataType] [= init] Description DIM is short for dimension and is a way of creating a variable or array. Some programming languages require that you declare all your...
Documentation
Generic BASIC Keyword List DEF - define DIM - create a variable or array. END - end the game PEEK - look directly at memory. POKE - put something directly in memory. POS PSET - draw a pixel on...
END
Syntax END Description END causes the game to end. By end, of course, it is meant "shut down". When you use END, in most modern BASICs, the game window will close, usually returning the player to...
FOR
Synatax Description FOR is sometimes called a "counting loop" because it loops by counting. Examples Example of Use This example counts from 1 to 10. FOR I = 1 TO 10 PRINT I NEXT I Delay...
GOSUB
Usage The general usage of the 'Gosub' function is: [Statements] Gosub [Label_name] [Statements] [Label_name]: [Statements] Return Examples Here's an example of a 'Gosub' function at...
GOTO
Syntax GOTO label label the line number or label to go to Description GOTO causes the program execution to go to a specific line number or label. GOTO is extremely outdated, and depending on who...
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IF
Syntax IF condition THEN doSomething condition - the condition to be checked doSomething - other statements to run if condition is true Description IF is a conditional statement. It will check...
Input
This article is a stub. You can help improve Basic Programming Wiki Complete by expanding it. Input Guide
INPUT
Syntax INPUT; variable variable - the variable to contain the player input. Description INPUT accepts a line of input from the player. When it is executed, the game is paused to allow the player...
INT( )
Description INT will remove the decimal fraction from a number, if it has one. If it doesn't, it does nothing. Either way, it will return the argument as an integer. Examples Example of...
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LEN( )
Syntax numChar = LEN$( str ) numChar - returned character count str - string to be counted Description LEN$() counts the number of characters (letters, numbers, spaces, punctuation, etc) in a...
LET
Syntax LET variable = X X - string, number, other variable Description LET is an outdated BASIC statement that has been almost completely removed from modern BASICs. In its original form, LET...
LIST
Syntax LIST [line number(s)] Description LIST is an outdated BASIC command. It was used during the days of line editors when BASIC game code was stored in memory one line at a time and there was...
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Loop
This article is a stub. You can help improve Basic Programming Wiki Complete by expanding it. Loop Guide A loop is a construct that loops code.
Math
This article is a stub. You can help improve Basic Programming Wiki Complete by expanding it. Math Guide Math in BASIC.
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NEW
Syntax NEW Description NEW is an outdated BASIC command usually only found in line editors. When used, it clears the game code in memory, effectively erasing the game. It only erases the game code...
Outdated BASIC
This article is a stub. You can help improve Basic Programming Wiki Complete by expanding it. To be complete, Generic BASIC contains documentation for BASIC keywords that are no longer used....
Output
This article is a stub. You can help improve Basic Programming Wiki Complete by expanding it. Output Guide Output in BASIC.
Page Tags List
PRINT
PRINT - display a message to the screen or window. Syntax PRINT message message - message to be displayed. Description PRINT displays a message on the screen. This message can be a string,...
RANDOMIZE
Syntax RANDOMIZE seed seed - number to be used as the random seed Description RANDOMIZE sets the random seed so that the player is unable to guess a sequence of randomly generated numbers will...
READ
READ - get a unit of data Syntax READ var var - variable to store the data Description READ gets one unit of data from any DATA statements in your program and stores it in a variable. It is...
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REM
REM - put a "remark" in the game code Syntax REM remarks Description REM is used to place a "remark" or comment in the game code. It's a bit like a post-it note you can put directly in your code...
RND
Syntax numb = RND(1) num - returned random number Description RND generates a random number between 0 and less than 1. In most BASICs, the random number generator needs to be seeded first with...
RUN
Syntax RUN Description RUN was used with old line editors. When used, RUN would execute the game code stored in memory. Since everyone no longer uses line editors, RUN is now unnecessary. Instead,...
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String
This article is a stub. You can help improve Basic Programming Wiki Complete by expanding it. String Guide Strings in BASIC.
Stub
This article is a stub. You can help improve Basic Programming Wiki Complete by expanding it.
Stubs
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TAB( )
Syntax TAB ( spaces ) spaces - how many columns to move Description TAB moves the cursor a number of columns. It comes in handy when you want to space text a specific number of spaces from the...
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WRITE
Description WRITE is almost identical to PRINT with a few minor differences. While both display text and numbers on the screen, each one does it a bit differently. With strings, WRITE prints the...