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Extended Address Record

The Intel HEX file contains extended linear-address records when the H167 directive is used. This record specifies the two most significant bytes (bits 16 and 31) of the absolute address. This address offset is used for all subsequent data records in the HEX file. Extended linear-address records appear as follows:



02 is the number of data bytes in the record.
0000 is always 0 in a extended 8086 segment record.
04 is the record type 04 (an extended linear-address record).
00FF is the high word of the address offset (0x00FF0000).
FB is the checksum of the record.
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