spectrum

UNIX下FILE命令的实现源码

#------------------------------------------------------------------------------
# spectrum:  file(1) magic for Spectrum emulator files.
#
# John Elliott <[e-mail]>

#
# Spectrum +3DOS header
#
0       string          PLUS3DOS\032    Spectrum +3 data
>15     byte            0               - BASIC program
>15     byte            1               - number array
>15     byte            2               - character array
>15     byte            3               - memory block
>>16    belong          0x001B0040      (screen)
>15     byte            4               - Tasword document
>15     string          TAPEFILE        - ZXT tapefile
#
# Tape file. This assumes the .TAP starts with a Spectrum-format header,
# which nearly all will.
#
0       string          \023\000\000    Spectrum .TAP data
>4      string          x               "%-10.10s"
>3      byte            0               - BASIC program
>3      byte            1               - number array
>3      byte            2               - character array
>3      byte            3               - memory block
>>14    belong          0x001B0040      (screen)