[Oberon] PO2013 - SD Image Tool

[Charles Perkins]

Uh... not 19, 29! Used the wrong prime number!

On Sat, May 16, 2020 at 10:32 AM Charles Perkins <chuck at kuracali.com> wrote:

> An empty but still valid Oberon filesystem will have one sector at sector
> number 19 (which you divide by 19 and add the FAT file system size to to
> get the real sector) with the DirMark (9B1EA38DH) as the first 32-bit
> word in it with the rest of the sector being zeros.
>
> On Sat, May 16, 2020 at 10:20 AM Tomas Kral <thomas.kral at email.cz> wrote:
>
>> On Sat, 16 May 2020 19:01:51 +0200
>> Tomas Kral <thomas.kral at email.cz> wrote:
>>
>> > ORC.SR <some command> to initialise directory file system, that makes
>> > it clean?
>>
>> This seems brutal, if I got it right, will it zero 64MB FS?
>>
>> dd of=RISC-NULL.FS if=/dev/null bs=1K skip=$((256*1024+1)) count=64K
>>
>> --
>> Tomas Kral <thomas.kral at email.cz>
>> --
>> Oberon at lists.inf.ethz.ch mailing list for ETH Oberon and related systems
>> https://lists.inf.ethz.ch/mailman/listinfo/oberon
>>
>
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