[Simh] Overwrite last track and set badblocks

Will Senn will.senn at gmail.com
Fri Jan 22 13:38:38 EST 2016


On 1/22/16 12:19 PM, Mark Pizzolato wrote:
>  From the wording of Will's question, it is not 100% clear that he's really asking
> if executing a "SET RL0 BADBLOCKS" as a command is ever required.  The
> answer to this question is NO since the question will automatically be asked
> when the disk image is initially created.
>
> If someone really wanted to preserve a previously created, but probably
> empty disk image file and add a DEC144 bad block table to the last track of
> the disk the "SET RL0 BADBLOCK" command would do that.  A sequence
> like this might be useful:
>
>       sim> ATTACH RL0 test.dsk
>       RL: creating new file
>       Overwrite last track? [N]
>       sim> SET RL0 BADBLOCK
>       Overwrite last track? [N]y
>       sim>
>
> - Mark
>
>
Mark,

I wasn't 100% clear on what I was asking :). Your answer, though, is 
very helpful. I was wondering about the utility of the command.

Thanks,

Will


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