Re: BDV11 'mis-feature'

2016-02-19 Thread Paul Koning
> On Feb 19, 2016, at 11:08 AM, Noel Chiappa wrote: > > So I recently discovered that the LTC feature on the BDV11 bootstrap board > has a minor issue: the latch that stores the 'LTC enabled' bit is _not_ > cleared by INIT (unlike every other PDP-11 device I've ever heard of), but > only by a di

BDV11 'mis-feature'

2016-02-19 Thread Noel Chiappa
So I recently discovered that the LTC feature on the BDV11 bootstrap board has a minor issue: the latch that stores the 'LTC enabled' bit is _not_ cleared by INIT (unlike every other PDP-11 device I've ever heard of), but only by a direct store into the LTC CSR, _or_ power cycling (BDCOK, to be exa