Its a long time I didn't do anything in C; what does the ^= operator do?
>Oscar,
>
>Here is C# implementation of SYS( 2007) function:
>
public static ushort Sys2007( string strExpr)
>{
> ushort result = 0xFFFF;
> byte[] bytes = System.Text.Encoding.Default.GetBytes( strExpr);
> for( int curPos = 0; curPos < bytes.Length; curPos++)
> {
> result = (ushort)(( result << 8) + (byte)( result >> 8));
> result ^= bytes[curPos];
> result ^= (ushort)(( result >> 4) & 0x0F);
> result ^= (ushort)(((byte)( result & 0xFF) ^ (result << 7)) << 5);
> }
> return result;
>}
>HTH
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