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Latest revision as of 21:15, 15 February 2013
Contents |
= (**COPIED FROM ENGLISH PAGE**) === Action
Returns a random number.
Syntax
var = RND( limit )
Remarks
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Limit |
Word that limits the returned random number. |
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Var |
The variable that is assigned with the random number. |
The RND() function returns an Integer/Word and needs an internal storage of 2 bytes. (___RSEED). Each new call to Rnd() will give a new positive random number.
You can use a different SEED value by dimensioning and assigning ___RSEED yourself:
Dim ___rseed as word : ___rseed = 10234
Dim I as word : I = rnd(10)
When your application uses a timer you can assign ___RSEED with the timer value. This will give a better random number.
See also
NONE
Example
'----------------------------------------------------------------------------------------- 'name : rnd.bas 'copyright : (c) 1995-2005, MCS Electronics 'purpose : demo : RND() function 'micro : Mega48 'suited for demo : yes 'commercial addon needed : no '----------------------------------------------------------------------------------------- $regfile = "m48def.dat" ' specify the used micro $crystal = 4000000 ' used crystal frequency $baud = 19200 ' use baud rate $hwstack = 32 ' default use 32 for the hardware stack $swstack = 10 ' default use 10 for the SW stack $framesize = 40 ' default use 40 for the frame space Dim I As Word ' dim variable Do I = Rnd(40) 'get random number (0-39) Print I 'print the value Wait 1 'wait 1 second Loop 'for ever End
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