0LASubrConvertHexPrToNum < Main

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---+ .CONVERT HEX PR TO NUM

_This subroutine converts a hex pair of alpha characters to a decimal number._

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---++ Usage:
<pre><pre>    PASS        &lt;decimal_number&gt;          FIELD           SHARE? Y
    PASS        &lt;hex pair&gt;                FIELD           SHARE? N
    GOSUB   --- .CONVERT HEX PR TO NUM
     *       Check for errors
    IF      --- .CONVERT HEX PR TO NUM    NE
</pre>
</pre>
---++ Description:

This subroutine converts a hex pair of alpha characters to a decimal number. Both parameters are required, the subroutine will CANCEL if they are not PASSed.

&lt;decimal_number&gt; returns decimal value of &lt;hex_pair&gt; (Required). This must be PASSed with Share "Y" to return the value.

&lt;hex_pair&gt; is the hex pair you want converted to decimal (Required). This must contain exactly 2 characters that are in the range of 00-FF.

To convert a decimal number to a hex pair, see [[0LASubrConvertNumToHexPr][.CONVERT NUM TO HEX PR]]. To convert a string to hexidecimal, see [[0LASubrConvertBytesToHex][.CONVERT BYTES TO HEX]].
---++ Comments:

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-- Main.PeteBrower - 2011-08-12
Topic revision: r3 - 2012-02-10 - JeanNeron