/// <summary>
/// Write an address record (type 02, 04 or 05) to the underlying stream
/// </summary>
/// <param name="addressType">The <see cref="IntelHex32AddressType" /> address record type to write to the stream</param>
/// <param name="address">The address value to write to the stream. This is either the segment address (type 02) or the upper word of a 32 bit address (type 04 or 05).</param>
/// <exception cref="ArgumentOutOfRangeException">If the <paramref name="addressType"/> is not a member of <see cref="IntelHex32AddressType"/></exception>
/// <exception cref="ArgumentOutOfRangeException">If the <paramref name="addressType"/> is an <see cref="IntelHex32AddressType.ExtendedSegmentAddress"/> and <paramref name="address"/> is > 0x10000</exception>
public void WriteAddress(IntelHexAddressType addressType, int address)
{
if (!Enum.IsDefined(typeof(IntelHexAddressType), addressType))
{
throw new ArgumentOutOfRangeException(nameof(addressType),
$"Value [{addressType}] in not a value of [{nameof(IntelHexAddressType)}]");
}
if ((addressType == IntelHexAddressType.ExtendedSegmentAddress) && (address > maxSegAddr))
{
throw new ArgumentOutOfRangeException(nameof(address), $"Value must be less than 0x{maxSegAddr:X}");
}
var addressData = FormatAddress(addressType, address);
WriteHexRecord((IntelHexRecordType)addressType, 0, addressData);
}
private static List <byte> FormatAddress(IntelHexAddressType addressType, int address)
{
var result = new List <byte>();
var shift = (byte)(addressType == IntelHexAddressType.ExtendedSegmentAddress ? 4 : 0);
shift = (byte)(addressType == IntelHexAddressType.ExtendedLinearAddress ? 16 : shift);
var addressBytes = BitConverter.GetBytes(address >> shift);
if (addressType == IntelHexAddressType.StartLinearAddress)
{
result.Add(addressBytes[3]);
result.Add(addressBytes[2]);
}
result.Add(addressBytes[1]);
result.Add(addressBytes[0]);
return(result);
}
