Google
 

Trailing-Edge - PDP-10 Archives - bb-d868c-bm_tops20_v4_2020_distr - language-sources/lnkd20.mac
There are 33 other files named lnkd20.mac in the archive. Click here to see a list.
IF2,<TAPE>
;Feature tests needed when assembling debug LINK for TOPS-20:

TOPS20==-1		;This is a TENEX or TOPS-20 system
DEBSW==-1		;Enable debugging features