Split off from Etherboot as mknbi-1.1-0 on 2001-02-18

+ Change Z5 unpack formats to a5 because Z introduced on in Perl 5.005.

+ Set dl to drvid just before calling boot block, in case some boot
blocks expect this.

+ Updated comments in first32.c to reflect Etherboot-5.0 memory map.

Released as mknbi-1.1-1 (development)

Released as mknbi-1.2-0 (production)
