[Info-vax] Hobbyist licences for VAX

[Bob Eager]

On Wed, 13 Apr 2022 18:40:49 -0700, gah4 wrote:

> On Wednesday, April 13, 2022 at 4:47:52 PM UTC-7, Bob Eager wrote:
> 
> (snip)
> 
>> The reason is that I'm simulating an OEM of the IBM 3340, which allows
>> variable sized sectors on each track, as long as the total (with
>> headers etc.) doesn't exceed 13kB. So each simulated track needs to
>> include a single simulated home block, and a variable number of sector
>> headers.
>  
> I thought the 3340 was FBA, but I have never seen or used one.
> 
> There is an IBM standard for virtual CKD disks used by the P/370 and
> successor systems, and is almost the same as that used by Hercules.

Sorry, 3340. I realised two minutes later!

> I thought other emulators also used that one.

Thanks, I'll take a look. I have no particular wish to invent something 
new. My point was that a raw disk image won't work.
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