<?xml version="1.0" encoding="utf-8"?>
<PRONOM-Report xmlns="http://pronom.nationalarchives.gov.uk">
  <report_format_detail>
    <FileFormat>
      <FormatID>2638</FormatID>
      <FormatName>Gunpaint Image File</FormatName>
      <FormatVersion>
      </FormatVersion>
      <FormatAliases>
      </FormatAliases>
      <FormatFamilies>
      </FormatFamilies>
      <FormatTypes>Image (Raster)</FormatTypes>
      <FormatDisclosure>
      </FormatDisclosure>
      <FormatDescription>Gunpaint are raster image files associated with the Gunpaint graphics program for the Commodore 64. Files are exactly 33603 bytes long and have a 296x200 resolution.</FormatDescription>
      <BinaryFileFormat>
      </BinaryFileFormat>
      <ByteOrders>
      </ByteOrders>
      <ReleaseDate>
      </ReleaseDate>
      <WithdrawnDate>
      </WithdrawnDate>
      <ProvenanceSourceID>180</ProvenanceSourceID>
      <ProvenanceName>The National Archives and Records Administration / The National Archives and Records Administration</ProvenanceName>
      <ProvenanceSourceDate>25 Oct 2022</ProvenanceSourceDate>
      <ProvenanceDescription>08/2023 (v.113)- Adjusted signature to include 'GUNPAINT' at an offset of 1002 from BOF. Submitted by National Archives and Records Administration.</ProvenanceDescription>
      <LastUpdatedDate>15 Aug 2023</LastUpdatedDate>
      <FormatNote>http://fileformats.archiveteam.org/wiki/Gunpaint</FormatNote>
      <FormatRisk>
      </FormatRisk>
      <TechnicalEnvironment>
      </TechnicalEnvironment>
      <FileFormatIdentifier>
        <Identifier>fmt/1788</Identifier>
        <IdentifierType>PUID</IdentifierType>
      </FileFormatIdentifier>
      <ExternalSignature>
        <ExternalSignatureID>3215</ExternalSignatureID>
        <Signature>gun</Signature>
        <SignatureType>File extension</SignatureType>
      </ExternalSignature>
      <InternalSignature>
        <SignatureID>2128</SignatureID>
        <SignatureName>Gunpaint Image File</SignatureName>
        <SignatureNote>BOF: 0x00 (Null) followed by '@' followed by a gap of 1000 bytes followed by 'GUNPAINT'</SignatureNote>
        <ByteSequence>
          <ByteSequenceID>2467</ByteSequenceID>
          <PositionType>Absolute from BOF</PositionType>
          <Offset>0</Offset>
          <MaxOffset>0</MaxOffset>
          <IndirectOffsetLocation>
          </IndirectOffsetLocation>
          <IndirectOffsetLength>
          </IndirectOffsetLength>
          <Endianness>
          </Endianness>
          <ByteSequenceValue>0040{1000}47554E5041494E54</ByteSequenceValue>
        </ByteSequence>
      </InternalSignature>
    </FileFormat>
    <SearchCriteria>Criteria</SearchCriteria>
  </report_format_detail>
</PRONOM-Report>
