[cctalk] Re: New TU56 Tape Images Available for simH use

[David Gesswein via cctalk]

On Sun, Aug 02, 2026 at 01:17:14PM -0400, Paul Koning wrote:
> Hard to imagine how even an "agnostic" DECtape controller can cope with tapes
that have 4 bit mark track codewords...
>
The TD8E is really dumb and just gives you the mark track bit and
3 data bits for each tape line on the tape. Decoding is left to software.
It does package the bits in the registers to slightly simplify the software.