2 Aug
2026
2 Aug
'26
9:58 a.m.
On Sun, Aug 02, 2026 at 01:17:14PM -0400, Paul Koning wrote:
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.
Hard to imagine how even an "agnostic"
DECtape controller can cope with tapes
that have 4 bit mark track codewords...