READ - Revision history

Admin: Created page with "= Action = Reads those values and assigns them to variables.
2013-02-11T21:54:27Z

Created page with "= <span class="f_Header">Action</span> = Reads those values and assigns them to variables. <span style="font-family: Arial;"> </span> <span style="font-family: Arial;"..."

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= <span class="f_Header">Action</span> =

Reads those values and assigns them to variables.

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= <span class="f_Header">Syntax</span> =

<span class="f_Syntax">READ</span> var

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= <span class="f_Header">Remarks</span> =
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Var

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Variable that is assigned data value.

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It is best to place the [[DATA]] lines at the end of your program.

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[[File:Notice.jpg|left|Notice.jpg]] It is important that the variable is of the same type as the stored data.

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= <span class="f_Header">See also</span> =

[[DATA]] , [[RESTORE]]

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= <span class="f_Header">Example</span> =

<br/><source lang="bascomavr">
'-----------------------------------------------------------------------------------------
'name : readdata.bas
'copyright : (c) 1995-2005, MCS Electronics
'purpose : demo : READ,RESTORE
'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 A As Integer , B1 As Byte , Count As Byte
Dim S As String * 15
Dim L As Long
Restore Dta1 'point to stored data
For Count = 1 To 3 'for number of data items
Read B1 : Print Count ; " " ; B1
Next

Restore Dta2 'point to stored data
For Count = 1 To 2 'for number of data items
Read A : Print Count ; " " ; A
Next

Restore Dta3
Read S : Print S
Read S : Print S

Restore Dta4
Read L : Print L 'long type

'demonstration of readlabel
Dim W As Iram Word At 8 Overlay ' location is used by restore pointer
'note that W does not use any RAM it is an overlayed pointer to the data pointer
W = Loadlabel(dta1) ' loadlabel expects the labelname
Read B1
Print B1
End

Dta1:
Data &B10 , &HFF , 10
Dta2:
Data 1000% , -1%

Dta3:
Data "Hello" , "World"
'Note that integer values (>255 or <0) must end with the %-sign
'also note that the data type must match the variable type that is
'used for the READ statement

Dta4:
Data 123456789&
'Note that LONG values must end with the &-sign
'Also note that the data type must match the variable type that is used
'for the READ statement
</source><br/>{{Languages}}

[[Category:BASCOM Language Reference]]