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12: struct { 
13: ubyte HDFLAG [ 1 ] ; 
14: 
15: ubyte HDNUMB [ 1 ] ; 
16: ubyte UNUSED [ 2 ] ; 
17: ubyte HDNAME [ 10 ] ; 
18: ubyte HDCHK [ 1 ] ; 
19: 
20: ubyte RECFLG [ 1 ] ; 
21: 
22: 
23: 
24: 
25: ubyte RECNUM [ 1 ] ; 
26: ubyte RECLEN [ 2 ] ; 
27: ubyte RECNAM [ 10 ] ; 
28: ubyte DESCHK [ 1 ] ; 
29: ubyte CHDATA [ 512 ] ; 
30: ubyte DCHK [ 1 ] ; 
31: 
32: } MicrodriveSector [ 254 ] ; 
33: ubyte WriteProtectionFlag [ 1 ] ; 
34: tok_eof