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=== Data types === The following data types are directly supported and thus implemented by one or more i386 [[machine instruction]]s; these data types are briefly described here.<ref name="Miller2005p2" /><!--(copyrasted) <ref>[https://books.google.com/books?id=KJNpD2KimEsC&lpg=PP1&pg=PA514 page 514].</ref>-->: * ''Bit'' ([[Boolean data type|Boolean]] value), ''bit field'' (group of up to 32 bits) and ''bit string'' (up to 4 Gbit in length). * ''8-bit integer (byte)'', either signed (range β128..127) or unsigned (range 0..255). * ''16-bit integer'', either signed (range β32,768..32,767) or unsigned (range 0..65,535). * ''32-bit integer'', either signed (range β2<sup>31</sup>..2<sup>31</sup>β1) or unsigned (range 0..2<sup>32</sup>β1). * ''Offset'', a 16- or 32-bit displacement referring to a memory location (using any addressing mode). * ''Pointer'', a 16-bit selector together with a 16- or 32-bit offset. * ''Character'' (8-bit character code). * ''String'', a sequence of 8-, 16- or 32-bit words (up to 4 Gbyte in length).<ref>{{Cite journal|last1=El-ayat|first1=K. A.|last2=Agarwal|first2=R. K.|date=December 1985|title=The Intel 80386 - Architecture And Implementation|journal=IEEE Micro|volume=5|issue=6|pages=4β22|doi=10.1109/mm.1985.304507|s2cid=23062397|issn=0272-1732}}</ref> *''[[Binary-coded decimal|BCD]]'', decimal digits (0..9) represented by unpacked bytes. *''Packed BCD'', two BCD digits in one byte (range 0..99).
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