DECR/de
From MCS Wiki AVR
< DECR(Difference between revisions)
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<span style="font-family: Arial;"> </span> | <span style="font-family: Arial;"> </span> | ||
| − | = <span class="f_Header"> | + | = <span class="f_Header">Beispiel</span> = |
<br/><source lang="bascomavr"> | <br/><source lang="bascomavr"> | ||
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'----------------------------------------------------------------------------------------- | '----------------------------------------------------------------------------------------- | ||
| − | $regfile = "m48def.dat" ' | + | $regfile = "m48def.dat" ' Benutzter Mikrocontroller |
| − | $crystal = 4000000 ' | + | $crystal = 4000000 ' Benutzte Taktfrequenz |
| − | $baud = 19200 ' | + | $baud = 19200 ' Baudrate |
$hwstack = 32 ' default use 32 for the hardware stack | $hwstack = 32 ' default use 32 for the hardware stack | ||
$swstack = 10 ' default use 10 for the SW stack | $swstack = 10 ' default use 10 for the SW stack | ||
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Dim A As Byte , I As Integer | Dim A As Byte , I As Integer | ||
| − | A = 5 ' | + | A = 5 'Wertzuweisung zu A |
| − | Decr A ' | + | Decr A 'Wert von A um eins vermindern. A = A - 1 |
| − | Print A ' | + | Print A 'Ausgabe. Ergebnis: 4 |
Latest revision as of 00:50, 20 February 2013
Contents |
Funktion
Vermindert den Wert einer Variablen um eins.
Syntax
DECR var
Anmerkungen
Es gibt häufig Situationen in denen der Wert einer Variablen um eins vermindert werden soll. Es ist einfacher zu schreiben:
DECR var
statt:
var = var - 1
Siehe auch
Beispiel
'----------------------------------------------------------------------------------------- 'name : decr.bas 'copyright : (c) 1995-2005, MCS Electronics 'purpose : demostrate decr 'micro : Mega48 'suited for demo : yes 'commercial addon needed : no '----------------------------------------------------------------------------------------- $regfile = "m48def.dat" ' Benutzter Mikrocontroller $crystal = 4000000 ' Benutzte Taktfrequenz $baud = 19200 ' Baudrate $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 Byte , I As Integer A = 5 'Wertzuweisung zu A Decr A 'Wert von A um eins vermindern. A = A - 1 Print A 'Ausgabe. Ergebnis: 4 I = 1000 Decr I Print I End
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