mirror of
https://github.com/PDP-10/its.git
synced 2026-03-01 17:47:32 +00:00
Eric Swenson
committed by
Lars Brinkhoff
Lars Brinkhoff
parent
cc5789597e
commit
cbbdbe357f
@@ -223,6 +223,7 @@ A list of [known ITS machines](doc/machines.md).
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- TYPE8, type 8-bit file.
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- UNTALK, split-screen comm-link program.
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- UPTIME, Chaosnet uptime server.
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- XHOST, tool for replacing host nicnames with real hostnames.
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- WHAT, humorous quips to various "what" questions.
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- WHO%, list index/uname/jname/%time in sorted list.
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- X, Y, Z, remember DDT command and re-execute it.
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@@ -1072,6 +1072,10 @@ expect ":KILL"
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respond "*" ":midas sys;ts fed_sysen2;fed\r"
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expect ":KILL"
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# XHOST
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respond "*" ":midas sys2;ts xhost_sysen3;xhost\r"
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expect ":KILL"
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# ndskdmp tape
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respond "*" ":link kshack;good ram,.;ram ram\r"
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respond "*" ":link kshack;ddt bin,.;@ ddt\r"
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87
doc/info/xhost.5
Executable file
87
doc/info/xhost.5
Executable file
@@ -0,0 +1,87 @@
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-*- Text -*-
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File: XHOST Node: Top Up: (DIR)
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After 31 March 1987 the NIC will no longer allow alternate host names
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(nicknames) to appear in the Official Host Table or domain name servers.
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Unfortunately there are many mailing list files around that contain entries
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using these soon-to-be-obsolete hostnames. XHOST is a tool for assisting
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in the conversion of such mailing list files to use only "approved" host
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names.
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XHOST has two parts. There is an :XHOST program that reads a mailing list
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file and writes an "XHOST" file in which all nicknames have been flagged,
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and an XHOST Emacs library that contains an Emacs command for performing a
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query-replace-style scan of an XHOST file.
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:XHOST takes the name of a mailing list file as an argument, and writes a
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file whose second name is XHOST. For example:
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:XHOST GUBBLE PEOPLE
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will read the file GUBBLE PEOPLE from your working directory and write a
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file there named GUBBLE XHOST.
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The format of an XHOST file is fairly simple. Each nickname that :XHOST
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thinks it has found will be immediately followed by rubout ("¢, ASCII
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code 177). Following the rubout is the hostname that XHOST recommends as a
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replacement.
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The replacement will start with an atsign ("@") if the original hostname
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did not. This will turn an entry like "(RPG SU-AI)" into the preferred form
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"(RPG @SAIL.STANFORD.EDU)", which will result in better host name error
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reporting from the mailer.
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:XHOST does -not- really understand the format of mailing list files. It
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understands how to parse comments, but it does not understand the parenthesis
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structure. Thus occasionally it will offer to turn a user name into a
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hostname. For example it might offer:
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HENRYÀHENRY.ECE.CMU.EDU
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Watching out for things like this will keep you on your toes. (XHOST has a
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table of known absurd replacements such as "DanG" => "NYU-DANGER.ARPA".
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The maintainer will accept nominations for additions.)
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Loading the XHOST Emacs library defines a single Emacs command:
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M-X Canonicalize Hosts. This command scans through an XHOST file searching
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for the hostnames flagged by :XHOST. For each one that it finds, you can
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accept or decline the proposed replacement. M-X Canonicalize Hosts behaves
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very much like M-X Query Replace. The complete list of commands it accepts
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are:
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Space - Replace old host name with new.
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Rubout - Leave old host name as it is.
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N - Nothing. Leave both host names in buffer.
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U - Undo last change.
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C-L - Redisplay.
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C-R - Enter recursive ^R mode.
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Q - Quits.
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? - Self documentation.
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As an additional feature, if M-X Canonicalize Hosts does not find any
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flagged names in the currently selected buffer, it assumes that you
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probably need to run :XHOST first. It offers to write out the current
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buffer if necessary, and then sends a command to DDT to run :XHOST over
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that file and then return to Emacs. When :XHOST is complete, the XHOST
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file is read back into the current buffer and M-X Canonicalize Hosts starts
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its normal scan.
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Thus the easiest way to update the mailing list file GUBBLE PEOPLE is to
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1. read GUBBLE PEOPLE into an Emacs buffer
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2. do M-X Load Library$XHOST if you haven't already in this Emacs
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3. do M-X Canonicalize Hosts
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4. answer "Y" when it offers to run :XHOST,
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5. get a cup of tea while :XHOST runs, it's not instantaneous
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6. decide what to do about each host one-by-one as M-X Canonicalize
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Hosts shows them to you
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7. write the resulting file back out over the old GUBBLE PEOPLE.
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There will still be a GUBBLE XHOST file sitting around when you are
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finished. If you are 100% certain that what you just did was correct, then
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you can just delete it. If you decide that you screwed up, you can always
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recover by reading in GUBBLE XHOST, and running M-X Canonicalize Hosts
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again.
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Bugs, suggestions, etc. to Alan@AI.
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565
src/sysen3/xhost.36
Executable file
565
src/sysen3/xhost.36
Executable file
@@ -0,0 +1,565 @@
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; -*- Midas -*-
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title XHOST - Prepare to canonicalize all host names in a file.
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a=:1
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b=:2
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c=:3
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d=:4
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e=:5
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t=:6
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tt=:7
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x=:10
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y=:11
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z=:12
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p=:17
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ch==:0,,-1
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chttyi==:1
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chttyo==:2
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chdski==:3
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chdsko==:4
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%fr==:0,,525252
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%freof==:400000
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%frlcl==:200000
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%fl==:1,,525252
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call=:pushj p,
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return=:popj p,
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save==:push p,
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rest==:pop p,
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flose=:.lose %lsfil
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slose=:.lose %lssys
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pause=:.break 16,100000
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quit=:.logout 1,
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tyi=:.iot chttyi,
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tyo=:.iot chttyo,
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define bltdup org,len
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move tt,[<org>,,<org>+1]
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blt tt,<org>+<len>-1
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termin
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define syscall name,args
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.call [setz ? .1stwd sixbit /name/ ? args(400000)]
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termin
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popj1: aos (p)
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cpopj: return
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format"$$pcode==:1
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format"$$errs==:0
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.insrt dsk:syseng;format >
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outstr: syscall siot,[movei chttyo ? a ? b]
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slose
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return
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define format &string&,args
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call [
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call $format
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.zzz.==-1
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irp arg,,[args]
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save arg
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.zzz.==.irpcnt
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termin
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hrroi a,[ascii string]
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movei b,.length string
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movni c,.zzz.+1
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jrst format"format]
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termin
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$forma: save a
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save b
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save c
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save [.+2]
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jrst @-4(p)
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rest c
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rest b
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rest a
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rest (p)
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return
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; Table of hostname translations:
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; Host named by left half should always appear with name in right half.
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; If right half is 0, then host is ignored.
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tran:
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[asciz "Symbolics"],,[asciz "Symbolics"]
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[asciz "Berkeley.EDU"],,[asciz "Berkeley.EDU"]
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; Nobody sends mail to RICE-KRISPIES.AI.MIT.EDU:
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[asciz "Rice"],,[asciz "Rice.EDU"]
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ltran==:.-tran
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; UNAME table:
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; Certain common tokens that frequently occur in mailing lists that aren't
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; really host names go here.
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; Keep this list sorted!
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unames:
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irps name,,[
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cent CMB COLE dae DanG EB FILE Frank
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Gregor HAL HES HIC KWH Lauren lee LIN
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LSP MAH MAP Moon MRC NULL OLE RAY
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RK RMS RON Tim TK TY
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]
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sixbit /name/
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termin
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nunames==:.-unames
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lgunames==:36.-.lz nunames-1,
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repeat <1_lgunames>-nunames, setz-1
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netwrk"$$hstmap==:1
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netwrk"$$hostnm==:1
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netwrk"$$symlook==:1
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netwrk"$$look==:1
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netwrk"$$hst3==:1
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.insrt dsk:syseng;netwrk >
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.vector tran1(ltran)
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; CALL LKINIT: Initialize hostname database
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; Clobbers A and B
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lkinit: movei a,ffpage
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movei b,chdski
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call netwrk"hstmap
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.lose
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setzm tran1+0
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bltdup tran1,ltran
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movsi b,-ltran
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lkini1: hlrz a,tran(b)
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hrli a,440700
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call look
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skipa
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movem a,tran1(b)
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aobjn b,lkini1
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return
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; CALL LOOK: Canonicalize hostname
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; skips if hostname found
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; A (a/v): bp -> asciz /hostname/
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look: move y,a
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move z,[440600,,x]
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setzi x,
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jrst lookgo
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looklp: tlnn z,770000
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jrst lookhs
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trzn t,100
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trca t,40
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tro t,40
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idpb t,z
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lookgo: ildb t,y
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jumpn t,looklp
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movei t,unames
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zzz==1_lgunames
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repeat lgunames,[
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zzz==zzz_-1
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caml x,zzz(t)
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movei t,zzz(t)
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] ;end repeat
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camn x,(t)
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return
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lookhs: save b
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save e
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call netwrk"hsttbp ; E: aobjn to NAMES table
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call netwrk"syml1 ; non-interactive search
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jrst looklz ; lost
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camn b,[-1]
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jrst looklz ; numbers lose too
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hlrz a,netwrk"nmlsit(b)
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add a,netwrk"hstadr ; A: SITE table entry
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hlrz a,netwrk"stlnam(a)
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add a,netwrk"hstadr
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hrli a,440700 ; A: bp -> asciz /official name/
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movsi t,-ltran
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came a,tran1(t)
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aobjn t,.-1
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jumpge t,lookwn
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hrr a,tran(t)
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trne a,-1
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lookwn: aos -2(p)
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looklz: rest e
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rest b
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return
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; The only characters in hostnames are letters, digits, "." and "-".
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; Hostnames never begin or end with "." or "-".
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; (There is also a bug in NETWRK where hostnames beginning with a digit are not
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; found.)
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foo: call netwrk"hsttbp ; E: aobjn to NAMES table
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foolp: hrrz a,netwrk"nmrnam(e)
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add a,netwrk"hstadr
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hrli a,440700
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move b,a ; A, B: bp -> hostname
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setzi d, ; D: accumulate length
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foolpc: ildb t,a
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jumpe t,foonxt
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aoja d,foolpc
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foonxt: syscall siot,[movei chdsko ? b ? d]
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slose
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.iot chdsko,[^M]
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.iot chdsko,[^J]
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aobjn e,foolp ; OK, so we know they are one word long...
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return
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rfn"$$rfn==:1
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rfn"$$switch==:1
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.insrt dsk:syseng;rfn >
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rsixtp: cain a,"/
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aos (p)
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return
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switch: format "Illegal switch: ~C",a
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quit
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.vector buffer(lbuffer==:10000)
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.scalar inbp ; bp for INCH
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.scalar incnt ; # chars available to INCH
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.scalar outbp ; bp to output still in buffer
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.scalar outcnt ; # chars of output still in buffer
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; CALL INCH: Read a character
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; A (val): Next character
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; B (val): Class of character
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inch0: setzb a,b .see qeof
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trne %freof
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return
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call fill
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inch: sosge incnt
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jrst inch0
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ildb a,inbp
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move b,class(a)
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return
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; CALL IOINIT: Initialize I/O
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ioinit: setzm outcnt
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move t,[-lbuffer,,buffer]
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jrst fill1
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fill: syscall siot,[movei chdsko ? outbp ? outcnt] ; zeros OUTCNT
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slose
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move t,buffer+lbuffer-1
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movem t,buffer+0
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move t,[1-lbuffer,,buffer+1]
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fill1: .iot chdski,t
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jumpl t,eof
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movei t,5*<lbuffer-1> ; Don't give out last word yet
|
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fill2: movem t,incnt
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move t,[440700,,buffer]
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movem t,inbp
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movem t,outbp
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return
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|
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eof: tro %freof
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.close chdski,
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movei t,-buffer(t)
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jumpe t,fill2
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move tt,buffer-1(t)
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imuli t,5
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xor tt,[.byte 7 ? 0 ? ^C ? ^C ? ^C ? ^C]
|
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trne tt,177_1
|
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jrst fill2
|
||||
trne tt,177_8
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soja t,fill2
|
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subi t,3
|
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tdne tt,[177_15.]
|
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aoja t,fill2
|
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tlne tt,(177_22.)
|
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jrst fill2
|
||||
soja t,fill2
|
||||
|
||||
.vector pdl(lpdl==:100.)
|
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.scalar option
|
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.vector filnam(4)
|
||||
|
||||
usrvar: sixbit /OPTION/ ? tlo %opint\%opopc
|
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sixbit /MASK/ ? move [%pipdl]
|
||||
sixbit /OPTION/ ? movem option
|
||||
sixbit /SNAME/ ? movem filnam+3
|
||||
lusrvar==:.-usrvar
|
||||
|
||||
nojcl: format "Use JCL"
|
||||
quit
|
||||
|
||||
go: move p,[-lpdl,,pdl-1]
|
||||
setzi 0, ; clear flags
|
||||
.open chttyi,[.uai,,'tty ? setz ? setz]
|
||||
slose
|
||||
.open chttyo,[.uao\%tjdis,,'tty ? setz ? setz]
|
||||
slose
|
||||
move tt,[-lusrvar,,usrvar]
|
||||
syscall usrvar,[movei %jself ? tt]
|
||||
slose
|
||||
call lkinit
|
||||
move a,option
|
||||
tlnn a,%opcmd
|
||||
jrst nojcl
|
||||
.vector jcl(ljcl==:100.)
|
||||
setzm jcl
|
||||
bltdup jcl,ljcl-1
|
||||
movsi t,(.byte 7 ? ^C ? ^C)
|
||||
movem t,jcl+ljcl-1
|
||||
.break 12,[..rjcl,,jcl]
|
||||
movsi t,(sixbit /DSK/)
|
||||
movem t,filnam+0
|
||||
move t,[sixbit /NAMES/]
|
||||
movem t,filnam+1
|
||||
movsi t,(sixbit />/)
|
||||
movem t,filnam+2
|
||||
movei b,filnam
|
||||
move d,[440700,,jcl]
|
||||
call rfn"rfn
|
||||
syscall open,[movsi .bai ? movei chdski ? filnam+0
|
||||
filnam+1 ? filnam+2 ? filnam+3]
|
||||
flose
|
||||
syscall open,[movsi .uao ? movei chdsko ? filnam+0
|
||||
filnam+1 ? [sixbit /XHOST/] ? filnam+3]
|
||||
flose
|
||||
call ioinit
|
||||
setom breakc
|
||||
jrst begin
|
||||
|
||||
nsemic: aos outcnt
|
||||
call inch ; parse comment
|
||||
caie a,^M
|
||||
jumpn b,nsemic
|
||||
jumpe b,ndone
|
||||
normal: aos outcnt
|
||||
norml1: call inch
|
||||
jrst @ntable(b)
|
||||
|
||||
ntable: offset -.
|
||||
qeof:: ndone ; must be 0
|
||||
qbreak:: nbreak
|
||||
qquote:: nquote
|
||||
qsemic:: nsemic
|
||||
qslash:: nslash
|
||||
qbrack:: nbrack
|
||||
qother:: normal
|
||||
qhyphe:: normal
|
||||
qalnum:: ;; letters and digits from here on up
|
||||
qalpha:: normal
|
||||
qnumer:: normal
|
||||
offset 0
|
||||
|
||||
; slash
|
||||
nslash: movei t,normal
|
||||
eatone: aos outcnt
|
||||
call inch
|
||||
jumpn b,(t)
|
||||
jrst ndone
|
||||
|
||||
; doublequote
|
||||
nquot0: jsp t,eatone
|
||||
nquote: aos outcnt
|
||||
call inch
|
||||
cain b,qslash
|
||||
jrst nquot0
|
||||
caie a,42
|
||||
jumpn b,nquote
|
||||
jumpn b,nbreak
|
||||
jrst ndone
|
||||
|
||||
; filename
|
||||
nbrac0: jsp t,eatone
|
||||
nbrack: aos outcnt
|
||||
call inch
|
||||
cain b,qslash
|
||||
jrst nbrac0
|
||||
caie a,135
|
||||
jumpn b,nbrack
|
||||
jumpn b,nbreak
|
||||
jrst ndone
|
||||
|
||||
ndone: syscall siot,[movei chdsko ? outbp ? outcnt]
|
||||
slose
|
||||
quit
|
||||
|
||||
.vector token(ltoken==:20.)
|
||||
.scalar breakc
|
||||
|
||||
; break character
|
||||
nbreak: aos outcnt
|
||||
movem a,breakc
|
||||
begin: call inch
|
||||
caie b,qalpha
|
||||
jrst @ntable(b)
|
||||
move c,[440700,,token]
|
||||
movni d,5*ltoken
|
||||
acum: aojge d,aexito
|
||||
idpb a,c
|
||||
call inch
|
||||
jrst @atable(b)
|
||||
|
||||
atable: offset -.
|
||||
qeof:: abreak ; must be 0
|
||||
qbreak:: abreak
|
||||
qquote:: abreak
|
||||
qsemic:: abreak
|
||||
qslash:: aexit
|
||||
qbrack:: aexit
|
||||
qother:: aexit
|
||||
qhyphe:: ahyphe
|
||||
qalnum:: ;; letters and digits from here on up
|
||||
qalpha:: acum
|
||||
qnumer:: acum
|
||||
offset 0
|
||||
|
||||
ahyphe: aojge d,aexito
|
||||
idpb a,c
|
||||
call inch
|
||||
cail b,qalnum
|
||||
jrst acum
|
||||
jrst aexit
|
||||
|
||||
abrekf: rest a
|
||||
aexit: addi d,<5*ltoken>
|
||||
aexit0: skipn outcnt
|
||||
jrst aexit1
|
||||
addm d,outcnt
|
||||
jrst @ntable(b)
|
||||
|
||||
aexito: movei d,<5*ltoken>-1
|
||||
jrst aexit0
|
||||
|
||||
aexit1: move c,[440700,,token]
|
||||
syscall siot,[movei chdsko ? c ? d]
|
||||
slose
|
||||
aexit2: setoi c,
|
||||
adjbp c,inbp
|
||||
movem c,outbp
|
||||
jrst @ntable(b)
|
||||
|
||||
abreak: setzi t,
|
||||
idpb t,c
|
||||
save a
|
||||
move a,[440700,,token]
|
||||
call look
|
||||
jrst abrekf
|
||||
call lclchk
|
||||
move x,[440700,,token]
|
||||
move y,a
|
||||
call sequal
|
||||
cain t,(tt)
|
||||
jrst abrekf
|
||||
jumpn t,abrekt
|
||||
trne %frlcl
|
||||
caie tt,".
|
||||
jrst abrekt
|
||||
jrst abrekf
|
||||
|
||||
abrekt: syscall siot,[movei chdsko ? outbp ? outcnt]
|
||||
slose
|
||||
move t,[440700,,token]
|
||||
addi d,<5*ltoken>
|
||||
syscall siot,[movei chdsko ? t ? d]
|
||||
slose
|
||||
.iot chdsko,[177]
|
||||
movei t,"@
|
||||
came t,breakc
|
||||
.iot chdsko,["@]
|
||||
move c,a
|
||||
setzi d,
|
||||
abrekl: ildb t,c
|
||||
jumpe t,abrekx
|
||||
cain t,".
|
||||
trnn %frlcl
|
||||
aoja d,abrekl
|
||||
abrekx: syscall siot,[movei chdsko ? a ? d]
|
||||
slose
|
||||
rest a
|
||||
jrst aexit2
|
||||
|
||||
; CALL LCLCHK: Check if hostname is local
|
||||
; A (a/v): b.p. -> asciz /hostname/
|
||||
; Sets %FRLCL if hostname ends in ".AI.MIT.EDU" or ".LCS.MIT.EDU".
|
||||
; Clears it otherwise.
|
||||
lclchk: trz %frlcl
|
||||
move x,a
|
||||
lclck1: ildb t,x
|
||||
caie t,".
|
||||
jumpn t,lclck1
|
||||
jumpe t,cpopj
|
||||
ildb t,x
|
||||
caie t,"A
|
||||
cain t,"a
|
||||
jrst lclcka
|
||||
caie t,"L
|
||||
cain t,"l
|
||||
jrst lclckl
|
||||
return
|
||||
|
||||
lclckl: skipa y,[440700,,[asciz "CS.MIT.EDU"]]
|
||||
lclcka: move y,[440700,,[asciz "I.MIT.EDU"]]
|
||||
call sequal
|
||||
cain t,(tt)
|
||||
tro %frlcl
|
||||
return
|
||||
|
||||
; CALL SEQUAL: Compare strings for equality
|
||||
; X (a/v): b.p. -> asciz /string1/ (updated)
|
||||
; Y (a/v): b.p. -> asciz /string2/ (updated)
|
||||
; T (val): last character read from string1
|
||||
; TT (val): last character read from string2
|
||||
; If C(T) = C(TT), then the strings were equal. (In which case C(T) = 0.)
|
||||
; Slightly faster if string2 is upper case.
|
||||
sequal: ildb t,x
|
||||
ildb tt,y
|
||||
cain t,(tt)
|
||||
jumpn t,sequal
|
||||
caie t,"a-"A(tt)
|
||||
jrst sequl1
|
||||
cail t,"a
|
||||
caile t,"z
|
||||
return
|
||||
jrst sequal
|
||||
|
||||
sequl1: caie tt,"a-"A(t)
|
||||
return
|
||||
cail tt,"a
|
||||
caile tt,"z
|
||||
return
|
||||
jrst sequal
|
||||
|
||||
class: repeat 200, qother
|
||||
|
||||
loc class+"A
|
||||
repeat 26., qalpha
|
||||
|
||||
loc class+"a
|
||||
repeat 26., qalpha
|
||||
|
||||
loc class+"0
|
||||
repeat 10., qnumer
|
||||
|
||||
irp ch,,[11,12,14,15,40,50,51,100,133,42,73,55,56,57,21]type,,[qbreak,qbreak,qbreak,qbreak,qbreak,qbreak,qbreak,qbreak,qbrack,qquote,qsemic,qhyphe,qhyphe,qslash,qslash]
|
||||
loc class+ch
|
||||
type
|
||||
termin
|
||||
|
||||
loc class+200
|
||||
|
||||
tsint:
|
||||
loc 42
|
||||
-ltsint,,tsint
|
||||
loc tsint
|
||||
400000,,p
|
||||
ltsint==:.-tsint
|
||||
|
||||
dismis: setz ? sixbit /DISMIS/ ? movsi 400000 ? setz p
|
||||
|
||||
cnstnts:
|
||||
constants
|
||||
variables
|
||||
|
||||
patch::
|
||||
pat: block 100.
|
||||
epatch: -1 ; Make memory exist, end of patch area
|
||||
|
||||
ffaddr:
|
||||
ffpage==:<ffaddr+1777>_-12
|
||||
|
||||
end go
|
||||
Reference in New Issue
Block a user