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69 lines
2.7 KiB
Text
69 lines
2.7 KiB
Text
The [[HEX$]] function returns the base 16 hexadecimal representation of an [[INTEGER]], [[LONG]] or [[_INTEGER64]] value as a [[STRING]].
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{{PageSyntax}}
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:{{Parameter|result$}} = [[HEX$]]({{Parameter|decimalNumber}})
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{{PageDescription}}
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* The function returns the string hexadecimal (base-16) representation of {{Parameter|decimalNumber}}.
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* The function does not return a leading sign space so [[LTRIM$]] is not necessary.
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<!-- Confusing hack hidden: * Can be used in place of [[STR$]] to trim both sides of positive decimal values 0 to 9 only.}} -->
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* [[VAL]] can convert the string value back to a decimal value by prefixing the string return with "&H": {{InlineCode}}dec = VAL("&H" + hexvar$){{InlineCodeEnd}}.
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{{PageExamples}}
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''Example 1:'' Comparing decimal, hexadecimal and octal string values 0 to 15.
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{{CodeStart}} '' ''
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LOCATE 2, 20: PRINT " Decimal | Hexadecimal | Octal "
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LOCATE 3, 20: PRINT "-----------+-------------+--------"
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template$ = " \ \ | \\ | \\ "
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FOR n% = 0 TO 15
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LOCATE 4 + n%, 20: {{Cl|PRINT USING}} template$; {{Cl|STR$}}(n%); {{Cl|HEX$}}(n%); {{Cl|OCT$}}(n%)
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NEXT n% '' ''
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{{CodeEnd}}
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{{OutputStart}}
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Decimal | Hexadecimal | Octal
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-----------+-------------+--------
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0 | 0 | 0
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1 | 1 | 1
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2 | 2 | 2
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3 | 3 | 3
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4 | 4 | 4
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5 | 5 | 5
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6 | 6 | 6
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7 | 7 | 7
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8 | 8 | 10
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9 | 9 | 11
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10 | A | 12
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11 | B | 13
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12 | C | 14
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13 | D | 15
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14 | E | 16
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15 | F | 17
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{{OutputEnd}}
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''Note:'' Decimal [[STR$]] values contain a leading sign space so values require an extra space in the template using the slash format.
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''Example 2:'' Converting hex value to decimal.
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{{CodeStart}}
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h$ = {{Cl|HEX$}}(255)
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{{Cl|PRINT}} "Hex: "; h$
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{{Cl|PRINT}} "Converting Hex value to Decimal:"; {{Cl|VAL}}("&H" + h$)
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{{CodeEnd}}
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{{OutputStart}}
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Hex: FF
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Converting Hex value to Decimal: 255
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{{OutputEnd}}
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{{PageSeeAlso}}
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* [[OCT$]], [[STR$]], [[VAL]]
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* [[&H]] {{text|(hexadecimal)}}, [[&O]] {{text|(octal)}}, [[&B]] {{text|(binary)}}
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* [[Base Comparisons]]
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* [[HEX$ 32 Bit Values]]
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{{PageNavigation}}
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