[LMH]Cold Booting

Raymond Wiker Raymond.Wiker@fast.no
Tue May 21 07:57:01 2002


Daniel Seagraves writes:
        [ snip ]
 > There are 7 PROMs, numbered 2236480-03 through 2236486-03.
 > 
 > I started at 0 and ended at 6, dumping 8 bits from each to make a 56-bit
 > word.  This is a partial dump of the result:
 > 
 > 00000000: 47 44 4f 53, 00 00 06 74, 69 6e 67 20, 00 06 0d 0a ;GDOS...ting ....
 > 00000010: 0a 57 61 69, 06 53 6c 6f, 74 20 00 06, 20 00 00 00 ;.Wai.Slot .. ...
 > 00000020: 00 00 06 3d, 20 53 6c 6f, 74 02 42 4f, 4f 54 00 00 ;...= Slot.BOOT..
 > 00000030: 06 4f 52 3a, 20 00 00 06, 0d 0a 0a 45, 52 52 02 63 ;.OR: ......ERR.c
 > 00000040: 65 20 3a 20, 00 02 64 20, 64 65 76 69, 02 63 74 20 ;e : ..d devi.ct
 > 00000050: 6c 6f 61 02, 0d 0a 53 65, 6c 65 06 20, 3a 20 00 00 ;loa...Sele. : ..
 > 00000060: 00 02 64 20, 6e 61 6d 65, 06 65 6d 20, 6c 6f 61 06 ;..d name.em loa.
 > 00000070: 0d 0a 53 79, 73 74 06 20, 00 00 00 00, 00 06 6e 61 ;..Syst. ......na
 > 00000080: 6d 65 20 3a, 02 6f 6c 6f, 61 64 20 06, 0d 0a 4d 69 ;me :.oload ...Mi
 > 00000090: 63 72 06 00, 00 00 00 00, 00 02 73 74, 73 20 3a 20 ;cr........sts :
 > 000000a0: 02 64 65 64, 20 74 65 06, 3d 45 78 74, 65 6e 06 65 ;.ded te.=Exten.e
 > 000000b0: 73 74 2c 20, 45 02 20 52, 3d 52 65 74, 02 20 6c 6f ;st, E. R=Ret. lo
 > 000000c0: 61 64 2c 02, 4d 3d 4d 65, 6e 75 06 6c, 6f 61 64 2c ;ad,.M=Menu.load,
 > 000000d0: 20 02 66 61, 75 6c 74 20, 06 0d 0a 44, 3d 44 65 02 ; .fault ...D=De.
 > 
 > There's ASCII in there (GDOS? ^_^) but it's still somewhat scrambled...

        You've probably noticed already, but it seems that the data is
in 7-byte-chunks, with the last byte (either 02 or 06) serving as some
sort of flag/content indicator. Further, the data seems to be
right-padded with 00s within each chunk.

-- 
Raymond Wiker                        Mail:  Raymond.Wiker@fast.no
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