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41 lines
1.4 KiB
Plaintext
41 lines
1.4 KiB
Plaintext
{{DISPLAYTITLE:_MAPUNICODE (function)}}
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The [[_MAPUNICODE]] function returns the [[Unicode]] (UTF-32) code point value of a mapped [[ASCII]] character code.
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{{PageSyntax}}
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: {{Parameter|utfValue&}} = [[_MAPUNICODE]]({{Parameter|asciiCode%}})
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{{PageDescription}}
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* UTF-32 values have 4-byte encoding so the return variable should be [[LONG]].
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* The {{Parameter|asciiCode%}} can be any [[INTEGER]] value from 0 to 255.
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* Returns can be used to verify or catalog the present Unicode mapping.
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* The function returns Unicode values for the control characters, CHR$(127) and extended characters without mapping them first.
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{{PageExamples}}
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''Example:'' Store function return values in an array for ASCII codes 0 to 255 to restore them later.
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{{CodeStart}}
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{{Cl|DIM}} Unicode&(255)
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{{Cl|SCREEN (statement)|SCREEN}} 0
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{{Cl|_FONT}} {{Cl|_LOADFONT}}("C:\Windows\Fonts\Cour.ttf", 20, "MONOSPACE") 'select monospace font
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{{Cl|FOR...NEXT|FOR}} ascii = 0 {{Cl|TO}} 255
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Unicode&(ascii) = {{Cl|_MAPUNICODE (function)|_MAPUNICODE}}(ascii) 'read Unicode values
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{{Cl|PRINT}} Unicode&(ascii); 'display values in demo
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{{Cl|NEXT}}
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'rest of program
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{{Cl|END}}
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{{CodeEnd}}
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{{PageSeeAlso}}
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* [[_MAPUNICODE]] {{text|(statement)}}
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* [[Unicode]], [[Code Pages]] {{text|(by region)}}
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* [[ASCII]], [[CHR$]], [[ASC]]
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* [[Text Using Graphics]]
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{{PageNavigation}}
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