6. Translation FormatsUniSite-xpi User Manual 6-31Hewlett-Packard 64000 Absolute Format, Code 89Hewlett-Packard Absolute is a binary format with control anddata-checking characters. See Figure 6-16.Data files begin with a Start-of-file record, which includes the Data BusWidth, Data Width Base, Transfer Address, and a checksum of the bytesin the record.Figure 6-16An Example of HP 64000 Absolute FormatEnd-of-File record consists only of a word count of 0.ChecksumData bytesAddress where following data byte is to be stored.BYTE COUNT — number of 8-bit data bytes.WORD COUNT — number of 16-bit words in record except checksum and itself.CHECKSUM — modulo 256 sum of all bytes in the record except the first byte.TRANSFER ADDRESS — for microprocessor program counter.DATA WIDTH BASE — see text.DATA BUS WIDTH — see text.WORD COUNT — number of 16-bit words in the record; always 04 inStart-of-File record.Note:START-OF-FILERECORDONE DATARECORDEND-OF-FILERECORD0088-2HIGHORDERLOWORDERThird ByteMSBLSBSecond Byte32-bit addressis sent in thismanner, in 4groups of 8-bitbytes.This format is binary. Therefore, no ASCII control charactersor carriage returns and line feeds are allowed.
