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    Record

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    pub struct Record {
      kind : Int
      address : Int
      data : Bytes
    } derive(Eq, 
    Debug    )

    Validated wire record. Address is the 16-bit offset, not an absolute address.

    Record::encode

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    fn Record::encode(self : Record, uppercase? : Bool) -> String

    Encode one validated record and compute its two's complement checksum.

    Record::new

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    fn Record::new(kind : Int, address : Int, data : Bytes) -> Record raise 
    FirmwareError

    Validate a record's structural fields, independent of document state.

    WriterOptions

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    pub(all) struct WriterOptions {
      data_length : Int
      uppercase : Bool
      line_ending : 
    LineEnding
      max_output_length : Int
    } derive(Eq, 
    Debug    )

    Record length is configurable; output uses extended linear addressing.

    WriterOptions::default

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    fn WriterOptions::default() -> WriterOptions

    Standard 16-byte uppercase LF output with a bounded text allocation.

    compute_checksum

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    fn compute_checksum(body : Bytes) -> Byte

    Intel HEX two's complement of count, address, type and data bytes.

    encode

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    Write a complete deterministic Intel HEX file, preserving execution metadata.

    for_each_record

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    Walk records without allocating the full text document. Callback failures stop emission; streaming clients are responsible for staging partially written IO.

    parse_document

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    Parse a complete Intel HEX document into normalized absolute-address memory.

    parse_line

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    fn parse_line(text : String, line? : Int) -> Record raise 
    FirmwareError

    Parse one unpadded record, always enforcing checksum and structural lengths.

    validate

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    Verify syntax, checksums, ordering, bounds and overlaps without exposing state.

    verify_checksum

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    fn verify_checksum(record_bytes : Bytes) -> Bool

    A complete decoded Intel record sums to zero modulo 256.

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