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Understanding something in a bsdl file

D

Didi

Jan 1, 1970
0
I am converting a bsdl file to a private object format.
The new thing this time are some entries which are fairly
obvious, yet I would like some more certainty about them,
if I can get it. Here is an excerpt:

-- num cell port func safe [ccell
dis rslt]
"120 (BC_1, *, control, 1)," &
"121 (BC_1, ext_ad_30, output3, 1, 120, 1,
Z)," &
"122 (BC_1, ext_ad_30, input, X)," &

The line containing the new part is the one with "output3".
Obviously its tristate control cell is 120; I wonder what "safe"
means,
just preferred initial state to preload the bsr with? Then "dis" and
"rslt", do they mean that if I set the control cell (bsr bit 120) to 1
the
output state will be Z? Looks obviously the case but given the
stakes (smoke on error etc.) I would be grateful for any additional
clarity.

Thanks,

Dimiter
 
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