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1996-10-17
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.title KRTDIA Dial command and related items
.ident "V04.64"
; /E64/ 10-May-96 John Santos
;
; Conditionalize for RSTS/E.
; /63/ 25-Jan-96 Billy Youdelman
;
; use opentt in place of ttyini to set linksts flag
; move the modem definitions to a separate module KRTMDM.MAC
; SET$DTR and SET$MODEM back here from KRTDSP
; /62/ 27-Jul-93 Billy Youdelman V03.62
;
; add support for call back modems, SET DIAL/PHONE [NO]ANSWER
;
; add a one-tick pacing delay in DODIAL's loop at 50$ (when the modem
; doesn't echo commands) to match what was done for echoing modems
;
; fix SHO MODEM for changes to SET DIAL [NO]ECHO and [NO]INIT-ONCE
; add initiate-prompt, dial-ack, confirm-ack, [no]binary-response
;
; added x.result (default "Hayes" xmode) and time.settle defaults,
; and in "Hayes" and Telebit modem definitions
;
; if DCD is high when exiting program, hang up modem
; add support for 38.4kb
; add Telebit T3000 modem def, needs KM handler and SET FLOW-CONTROL RTS
;
; double the settle-time value for the wait after dropping DTR,
; as some modems (like the T3000) need more time to recover
; /BBS/ 1-Dec-91 Billy Youdelman V03.61
;
; set$mo now won't write bad modem name into modem:
; if DIAL/REDIAL succeeds jump to CONNECT automatically
; set linksts when dialing so ^C abort will catch correct ttname
; findmodem now does not try to process an empty string in modem:
; added c$idle, call to reset modem to idle (answer) mode
; findmodem/findnumber will match on partial input string
; added %X format effector for setting Hayes extended response mode
; added Telebit T2500 modem definitions
;
; redial loop moved to c$dial, runs faster without initializing
; the modem's lun every pass thru the loop, reduces cpu usage too
;
; load buffer with defmsg after displaying RING, to not overwrite
; the default message with call status stuff
;
; if DIAL can't translate an alias, say so then die (instead of
; prompting to continue with an empty number buffer)
;
; added xredial flag word, for keeping return path straight when
; connecting after a successful REDIAL. speed up redial process for
; modems which define init.once by not initting before every retry.
; init.once and mready (status flag) were added to support all this..
;
; while waiting for a response after dialing modem, check for
; input from keyboard, allowing an easy abort
;
; .default patched to get/set handler speed from modem response,
; old speed is saved and restored, unless set different after..
; Hayes definition completed and moved to it. this also renders
; Hayes responses displayable via SHO MODEM.
;
; diatmo from SET DIAL TIME-OUT gets written into dial.time(r4)
; when either c$dial or sho$dial is called. it's now usable with
; any modem type (not just user-defined) by setting the modem's
; internal timer to the max (ATS7=255 etc) then letting Kermit's
; timer take action first.
;
; modified waitfor to test for keyboard input, allowing a "strike
; any char" abort during dialing, now including the init string.
; DTR is dropped to ensure the modem will actually abort the call.
;
; SHO MODEM expanded to display everything
; result message must match from 1st byte to avoid embedded strings
; save modem init status to drop unnecessary inits
; SET MODEM now inits same, if a line (and speed) have been set
; echo everything from modem (if it echoes) during DIAL
; add CONNECT/nnnn for Hayes to alter DTE speed w/TSX and CL
; add Concord Data Systems 224 Auto-dial modem
;
; moved SET DTR code here, and reinit modem after DTR drop if one
; was on-line before it
; Copyright 1985,1986 Change Software, Inc.
;
; 18-Oct-85 20:06:09 Brian Nelson
;
; 04-Dec-85 11:22:32 BDN Add optional linked list structure to
; define modem responses, will be useful
; when adding a SET DIAL command
; 09-Jan-86 17:48:17 RTM Added support for the RIXON Intelligent
; auto-dial modem (R212A) (edit RTM01)
; 13-Feb-86 10:10:08 BDN Put the DF112 and DF224 responses into
; linked lists
; 23-Sep-86 14:10:30 BDN Vadic 4224 modems
; 23-Sep-86 14:10:42 BDN Added format effector %M for pulse/tone
; if a SET PHONE PULSE/TONE was done
; Added %B for "blind" dialing, enabled if
; SET PHONE BLIND
; 30-Sep-86 13:05:53 BDN Added CTS2424, Also SHO DIAL
; 09-Feb-89 00:00:00 JCH Complete definition of DF224 modem
.include "IN:KRTMAC.MAC"
.iif ndf KRTINC .error <; .include for IN:KRTMAC.MAC failed>
; /BBS/ This is used by SHOW MODEM to format the display of response messages
; and actions to them. It's the column at which the actions begin and may be
; increased if longer response strings must accommodated.
COL.ACT = 18.
.sbttl Local macros
$$TRIP = 0 ; /63/ init trip counter
.macro des type ,offset ,title
.save ; /63/
.psect $pdata ; /63/
.if b <type>
.byte 0 ,0
.even ; /63/ do this here, once is enough..
$$trip=0 ; /63/ reset for possible future use
.iff
.if eq $$trip ; /63/ if at the first list entry
deslist: ; /63/ insert the label for the list
.endc
$$trip=1 ; /63/ not the first entry any more
.byte type ,offset ; type_0=integer, type_1=string
.asciz @title@ ; /62/ type_2=on/off
.endc
.restore ; /63/
.endm des
.macro ttgetc wait ; get one char from the link device
.if b <wait> ; wait value is in seconds
calls xbinread,<#1> ; /62/ this waits up to one second
.iff
calls xbinread,<wait>
.endc
.endm ttgetc
.macro ttputc c ; send one char to the link device
clr -(sp) ; create a one word buffer
bisb c ,(sp) ; stuff in byte sans sign extension
mov sp ,r0 ; point to buffer
calls binwri ,<r0,#1> ; send it
tst (sp)+ ; pop buffer
.endm ttputc
.macro ttputs s ; send a string to the link device
mov r1 ,-(sp) ; a one word buffer
mov s ,r1 ; pass string location to do.put
call do.put ; /63/ send it
mov (sp)+ ,r1 ; pop buffer
.endm ttputstr
.macro waitfor s ,time ,fail ; wait for a response from modem
.if b <time> ; time value is in seconds
clr -(sp) ; time buffer
inc @sp ; /BBS/ default wait is one second
.iff
mov time ,-(sp) ; pass time to wait
.endc
mov s ,-(sp) ; and address of expected string
call waitfor ; go look for it
.if nb <fail> ; if given a failure routine address
tst r0 ; check to see if it worked..
beq fail ; it did not
.endc
.endm waitfor
.sbttl Local data
.psect $pdata ; /63/ consolidate all data here
abort: .asciz "% Aborted from keyboard"
bells: .byte bell ,bell ,0 ; two bells when CONNECTing
defmsg: .asciz "% Timed out"
dia.01: .asciz "Toggling DTR.." ; /63/ moved message macro data here
dia.02: .asciz "Re-initting modem.."
dia.03: .asciz " modem is on-line"<cr><lf>
dia.04: .asciz "Try #"
dia.05: .asciz ":"<cr><lf>
dia.06: .asciz "The known modem types are:"<cr><lf>
dia.07: .asciz "% No answer"<cr><lf>
dia.08: .asciz "Yes"
dia.09: .asciz "No"
dia.10: .asciz "Dial time-out secs: "
dia.11: .asciz "Settle-time ticks: "
dia.12: .asciz '%X = "X'
dia.13: .asciz "Binary-responses: "
dia.14: .asciz "Result strings:"<cr><lf>
dia.15: .asciz "Success"
dia.16: .asciz "Rings+1"<cr><lf>
dia.17: .asciz "Failure"<cr><lf>
dia.18: .asciz "Link "
dia.19: .asciz " disconnected"<cr><lf>
msg$dte:.asciz ", DTE is forced to " ; /63/ tag messages that alter speed
msg$fmt:.asciz "Format effectors: " ; /62/
nodpro: .asciz "% No dial$prompt"
nod.go: .asciz "% No dial$go"
nod.ack:.asciz "% No dial$ack"
prefix: .asciz \ = "\ ; /62/ prefix for format effector data
tripsp: .asciz \" \ ; /62/ a " followed by three blanks
.even
.psect $rwdata ,rw,d,lcl,rel,con
buffer: .blkb 84. ; /BBS/ general purpose buffer
mute: .word 0 ; /BBS/ use to mute output to TT
retries:.word 0 ; /BBS/ redial this many times..
.psect $code
.sbttl SET MODEM-TYPE ; /BBS/ almost 100% new..
set$mo::strcpy #spare1 ,#modem ; save copy of what's there now
mov modtype ,r4 ; address of its structure
mov mready ,r3 ; and its status
upcase argbuf ; upper case the argument
copyz argbuf ,#modem ,#40 ; copy new modem name over
call findmodem ; and look for it in the list
tst r0 ; did it work?
bne 10$ ; ya
strcpy #modem ,#spare1 ; no, restore the old modem type
mov r3 ,mready ; its status
mov r4 ,modtype ; and its structure's address
call incsts ; flag error, so r0 can be cleared
clr r0 ; strcpy, just above, trashes this reg
return ; error already handled by findmodem
10$: clr blind ; reset this
; clr pulse ; commented out, phone line is same..
mov dial.time(r0),diatmo ; /62/ start with default time-out
mov time.set(r0) ,settle ; /62/ and settle-time
mov #xresult ,r1 ; /62/ where to put new extended mode
mov x.result(r0) ,r0 ; /62/ default supplied?
bmi 20$ ; /62/ no, let null say it's nothing..
call L10012 ; /62/ ya, write it as ascii number(s)
20$: clrb (r1) ; /62/ null terminate the string
clr r0 ; preset to no error
tstb ttname ; is line to modem set yet?
beq 30$ ; no
call ttyhang ; ya, assert DTR on PRO, reset modem
tst r0 ; did it work?
bne 30$ ; no, ttyini handles its own error
mov settle ,r0 ; /62/ double the wait here because
asl r0 ; /62/ some modems are just too slow!
calls suspend ,<#0,r0> ; /62/ let modem recover from DTR drop
call set.mo ; shared code
30$: tst r0 ; did all this work?
bne dia.er ; /63/ no, goto error handler
return
.sbttl SET DTR and HANGUP
set$dt::call set.dtr ; toggle DTR
tst r0 ; did it work?
bne dia.er ; /63/ no
.newline
return
c$hang::call set.dtr ; toggle DTR
tst r0 ; did it work?
bne dia.er ; /63/ no
wrtall #dia.18 ; "Link "
wrtall #ttname ; include the device name
wrtall #dia.19 ; " disconnected"<cr><lf>
return
dia.er: direrr r0 ; /63/ dump error message
call incsts ; flag error, so r0 can be cleared
clr r0 ; only do error message once
return
.sbttl The real work of SET MODEM
set.mo: mov linksts ,r2 ; save link open/closed status
bne 10$ ; it's open now
call opentt ; /63/ open link device
tst r0 ; successful open on line?
bne 20$ ; no, give up
10$: call fixspeed ; restore set speed if need be
mov sp ,mute ; turn off echo
call getatn ; try to get modems attention
clr mute ; turn echo back on
tst r0 ; success?
bne 20$ ; no
tst sy.ini ; come here while executing KRT.INI?
bne 20$ ; ya, don't echo modem I/O
tst infomsg ; SET TT QUIET?
beq 20$ ; ya..
wrtall #modem ; no, display name of modem
wrtall #dia.03 ; /63/ " modem is on-line"<cr><lf>
; note r0 still =0 here, from above..
20$: mov r0 ,-(sp) ; save error
mov r2 ,linksts ; restore link status
bne 30$ ; it was open, leave it that way
call ttyfin ; close the link
30$: mov (sp)+ ,r0 ; restore error
return
.sbttl The real work of SET DTR
.enabl lsb
set.dtr:wrtall #dia.01 ; /63/ "Toggling DTR.."
call l$nolf ; just a return, unless TT is NOSCOPE
call ttyhang ; drop DTR for 0.5sec
tst r0 ; did it work?
bne 10$ ; no
tst modtype ; was a modem on-line?
beq 10$ ; no
mov settle ,r0 ; /62/ double the wait here because
asl r0 ; /62/ some modems are just too slow!
calls suspend ,<#0,r0> ; /62/ let modem recover from DTR drop
.br reinit ; /63/
reinit::wrtall #dia.02 ; /63/ "Re-initting modem.."
call l$nolf ; just a return
mov infomsg ,-(sp) ; save state of SET TT [NO]QUIET
clr infomsg ; temporarily off display
call set.mo ; go re-init the modem
mov (sp)+ ,infomsg ; restore SET TT [NO]QUIET
10$: return
.dsabl lsb
.sbttl The REDIAL command ; /BBS/ slightly modified..
c$redi::mov argbuf ,r3 ; argbuf address
mov phnum ,r2 ; address of phone number
mov #-1 ,r4 ; default repeat count = 65535.
tstb @r3 ; any repeat count passed?
beq 20$ ; no
calls l$val ,<r3> ; convert ascii to integer
tst r0 ; success?
bne 10$ ; no
mov r1 ,r4 ; save repeat count
bne 20$ ; disallow 0, it would really = 65536.
10$: mov #er$inr ,r0 ; invalid number of retires
br 40$ ; go handle error
20$: tstb @r2 ; anything to dial?
bne 30$ ; yes
mov #er$npn ,r0 ; no previous number dialed
br 40$ ; bail out
30$: strcpy r3 ,r2 ; copy old phone num to argbuf
mov sp ,xredial ; flag c$dial was called by c$redial
clr retries ; init number of tries counter
call c$dial ; redial loop moved to c$dial
br 50$ ; c$dial handles its own errors
40$: direrr r0 ; for local errors
call incsts ; set global flag also
50$: clr r0 ; error was just handled
return
.sbttl The DIAL command ; /BBS/ substantially changed..
.enabl lsb
c$dial::tst signon ; if coming here from init file
bne 10$ ; dump sign-on stuff before dial
call sho$line
10$: tstb ttname ; check for a real terminal name
bne 20$ ; ok
mov #er$pls ,r0 ; please SET LINE first
br 70$ ; goto error handler
20$: call inqcd ; /62/ check to see if already talking
tst r0 ; /62/ or prior session not dead yet
ble 30$ ; /62/ no data carrier is now present
mov #er$dcd ,r0 ; /62/ can't DIAL whilst DCD asserted
br 70$ ; goto error handler
30$: call findnumber ; perhaps a SET PHONE NUMBER?
bcs 100$ ; findnu handles its own error
call loamdm ; /63/ ensure modem data are loaded
mov modtype ,r0 ; recover the address of descriptor
bne 40$ ; ok
mov #er$mdm ,r0 ; please SET MODEM first
br 70$ ; goto error handler
40$: clr mute ; turn echo back on just in case
mov dial.string(r0),r0 ; get dial format string address
tstb @r0 ; anything there?
bne 50$ ; yes
mov #er$ndf ,r0 ; no dial format string defined
br 70$ ; goto error handler
50$: call opentt ; /63/ open the link device
tst r0 ; successful?
bne 100$ ; no, ttyini does the error message
call fixspeed ; restore set speed if need be
call eatjunk ; /63/ flush any late redial response
mov modtype ,r0 ; recover top of list
tst init.once(r0) ; need to re-init modem?
beq 60$ ; evidently..
tst mready ; is the modem now on-line?
bne 80$ ; ya
60$: call getatn ; try to get modems attention
tst r0 ; did getting modems attn succeed?
beq 80$ ; ya
70$: direrr r0 ; no, emit error msg
br 100$ ; /62/ and exit
80$: tst cccnt ; abort?
bne 100$ ; ya..
tst xredial ; redialing?
beq 90$ ; no
inc retries ; ya, bump retries count
wrtall #dia.04 ; /63/ "Try #"
mov retries ,r0 ; copy for integer to ascii conv
call L10266 ; print integer as decimal numb
wrtall #dia.05 ; /63/ ":"<cr><lf>
90$: call dodial ; actually try to dial the number now
tst r0 ; returns 1 for success, 0 if failed
bne 130$ ; success, go CONNECT
tst xredial ; redialing this?
beq 100$ ; no, die..
sob r4 ,80$ ; ya, try again?
100$: call incsts ; set global error flag
110$: call ttyfin ; close the handler
clr linksts ; flag for ccast
120$: clr r0 ; /62/ error already handled
return
130$: tst xredial ; come here from c$redial?
beq 140$ ; nope
tst (sp)+ ; ya, pop its return address
140$: jmp c$conn ; and CONNECT automatically..
.sbttl Reset the modem ; /BBS/ all new
c$idle::call loamdm ; /63/ ensure modem data are loaded
mov modtype ,r4 ; get modem type
beq 120$ ; no modem is on-line
.if df RT11 ; /E64/
tst r50dev ; is there a line set?
.endc ;RT11 ; /E64/
.if df RSTS ; /E64/
tst ttname ; is there a line set?
.endc ;RSTS ; /E64/
beq 120$ ; no, thus can't talk to modem
call inqcd ; /62/ ya, is the modem active?
tst r0 ; /62/ well..
ble 150$ ; /62/ probably not, do the init
call ttyhang ; /62/ ya, try to hang it up!
calls suspend ,<#0,settle> ; /62/ let modem recover from DTR drop
150$: clr mready ; no longer ready no matter what
call opentt ; /63/ init handler, etc..
tst r0 ; get a successful open on line?
beq 160$ ; ya
mov #er$idl ,r0 ; can't release modem
br 70$ ; and off to common code..
160$: call fixspeed ; restore set speed if need be
ttputs dial.idle(r4) ; send idle command string to modem
br 110$ ; and off to common code..
.dsabl lsb
.sbttl Restore last set speed ; /BBS/ added..
fixspeed:tst b4speed ; did last call alter speed?
beq 10$ ; nope
calls setspd ,<b4speed> ; restore speed before that happened
clr b4speed ; once iz enuff..
10$: return
.sbttl Find location of a modem's data structure
; F I N D M O D E M ; /BBS/ substantially revised..
;
; assumes: modem = name of the desired modem
; returns: r0 = address of modem data structure or 0 if not found
findmo: save <r3>
tstb modem ; did caller supply a modem name?
beq 80$ ; nope..
call loamdm ; /63/ load predefined modems' data
mov r0 ,r3 ; /63/ get address of head of list
cmpb #'? ,modem ; come here for help?
beq 40$ ; ya, format display accordingly
10$: mov mod.string(r3),r0 ; allow match if ok up to end of
mov #modem ,r1 ; argbuf so partial string works
20$: cmpb (r0)+ ,(r1)+ ; are they the same
bne 30$ ; no
tstb (r1) ; end of argbuf?
bne 20$ ; no, continue
mov r3 ,modtype ; save address of the structure
copyz mod.string(r3),#modem ; be sure whole name is there
br 70$ ; done
30$: mov mod.next(r3),r3 ; no, try the next one please
bne 10$ ; keep going
direrr #er$unm ; modem type is unknown
tst infomsg ; SET TT QUIET?
beq 80$ ; ya, skip list of possibilities
40$: wrtall #dia.06 ; /63/ "..known modem types.."<cr><lf>
call loamdm ; /63/ load predefined modems' data
mov r0 ,r3 ; /63/ get address of head of list
50$: wrtall mod.string(r3) ; now print the list of modems
strlen mod.string(r3) ; length of modem type
sub #20 ,r0 ; cut to 16. for tighter display
neg r0 ; make it a positive number
mov r0 ,r1 ; stash a copy for the loop
mov #space ,r0 ; load up a space
60$: call writ1ch ; write it to TT
sob r1 ,60$ ; loop until properly padded
wrtall mod.com(r3) ; dump comment string
.newline
mov mod.next(r3),r3 ; next one in list
bne 50$ ; ok
br 80$ ; exit with failure
70$: mov r3 ,r0 ; return address of structure
br 90$
80$: clr r0 ; failure
90$: unsave <r3>
return
.sbttl Find a defined phone number
findnu: save <r3,r2> ; /45/ Added 20-Feb-86 13:00:50 BDN
strcpy #errtxt ,argbuf ; /63/ save a copy of input string
cmpb @argbuf ,#'0 ; only if not number in first position
blo 10$ ; ok
cmpb @argbuf ,#'9 ; well?
blos 70$ ; /BBS/ it's a number
10$: mov #pnhead ,r2 ; get listhead
20$: mov (r2) ,r2 ; loop a little, get next entry
beq 60$ ; nothing there
mov r2 ,r3 ; get address of text
add #2 ,r3 ; +2 is offset for the data
strcpy #errtxt ,r3 ; /63/ save a copy of input string
mov #errtxt ,r1 ; /63/ save un-upper-cased name here
mov #buffer ,r0 ; store temp copy here
30$: cmpb (r3) ,#space ; all done looking?
beq 40$ ; yes
movb (r3) ,(r1)+ ; /63/ copy for "last # dialed"
movb (r3)+ ,(r0)+ ; no, copy more of the name
bne 30$ ; and continue
40$: clrb (r0) ; ensure .asciz please
clrb (r1) ; /63/ ditto
; /BBS/ checking for end of argbuf matches on any partial string
upcase argbuf ; also leaves r0 -> argbuf
mov r0 ,r1 ; save pointer
upcase #buffer ; /62/ temp buff allows upcasing name
50$: cmpb (r0)+ ,(r1)+ ; are they the same?
bne 20$ ; no
tstb (r1) ; ya, hit end of argbuf yet?
bne 50$ ; no, continue
inc r3 ; point to number field
tstb (r3) ; anything really there?
beq 60$ ; /BBS/ no, go print error message
strcpy argbuf ,r3 ; copy into the real argument buffer
br 70$ ; /BBS/ go clear carry and exit
60$: direrr #er$nnf ; /BBS/ say why it's gonna die
sec ; /51/ failure
br 80$
70$: copyz #errtxt ,phnum,#60 ; /63/ stash copy for "last # dialed"
clc ; /51/ success
80$: unsave <r2,r3>
return
.sbttl Wake up (init) modem ; /BBS/ almost 100% new..
; G E T A T N
;
; In case the modem is already awake (at command prompt mode)
; we will dump the string, wait for the acknowledgment and
; loop until we are sure there are no more data. For example
; the VA212 will send back an INVALID COMMAND\n* string for
; for the ^E and one also for the <CR>. We could, of course,
; first send the modem its idle command, but there are times
; when that may be undesirable, like when the modem is being
; accessed via some sort of LAN or PABX.
;
; input: modtyp = address of modem descriptor
; return: r0 = if <>, the error code
getatn: save <r1,r2,r3,r4>
clr -(sp) ; init "msg rec'd" flag
mov #buffer ,r2 ; write init string here
call loamdm ; /63/ ensure modem data are loaded
mov modtype ,r4 ; get address of structure
clr mready ; modem is no longer ready
mov wake.string(r4),r3 ; point to the init string
tstb (r3) ; is there one to send?
bne 10$ ; ya
mov #er$wks ,r0 ; nope..
jmp 200$ ; handle the error
10$: tstb (r3) ; done?
beq 70$ ; yes
cmpb (r3) ,#'% ; look for a format effector
bne 50$ ; ya, not no..
cmpb 1(r3) ,#'x!40 ; "%X" to set Hayes extended mode?
beq 20$ ; yes
cmpb 1(r3) ,#'X&137 ; check both cases
bne 50$ ; not formatting, copy char over
20$: tstb xresult ; is there an extended mode set?
beq 40$ ; no, kill leading space here
movb #'X&137 ,(r2)+ ; ya, insert an "X"
mov #xresult,r1 ; make copy to auto-increment
30$: movb (r1)+ ,(r2)+ ; then insert the mode, ala "X4"
bne 30$ ; stop on the first null
40$: dec r2 ; then back up over it
inc r3 ; skip over the "%" please
br 60$ ; next please
50$: movb (r3) ,(r2)+ ; not formatting, copy character
60$: inc r3 ; skip over current char now
br 10$ ; next
70$: clrb (r2) ; .asciz
mov #3 ,r3 ; loop a little to get modem going
80$: call eatjunk ; trash stuff that may be waiting
mov #buffer ,r2 ; get address of wakeup string
br 100$ ; for display format on abort
90$: tstb (r2)+ ; /62/ next byte..
beq 140$ ; /62/ that's all there is
tst mute ; allow strike any key abort?
bne 100$ ; no, not this time
call chkabo ; strike any key to abort
tst r0 ; get anything?
beq 100$ ; nope
inc cccnt ; fake abort so modem is stopped
call clrcns ; eat LF after a CR, etc..
tst (sp) ; /62/ anything typed out yet?
beq 180$ ; /62/ no
.newline ; ya, ensure abort message is on \n
br 180$ ; and bail out..
100$: ttputc (r2) ; /62/ put a char to the modem
tst dial.echo(r4) ; /62/ does it echo?
beq 110$ ; /62/ no
ttgetc #-1 ; then look for its echo
tst r0 ; anything there?
bne 130$ ; no
bicb #^c<177>,r1 ; remove parity always
cmpb r1 ,#cr ; is it a return?
beq 130$ ; ya, don't echo it
cmpb r1 ,#lf ; is it a line feed?
beq 130$ ; ya, don't echo it
movb r1 ,r0 ; get a copy of it
br 120$ ; /62/ and go dump same to the screen
110$: calls suspend ,<#0,#1> ; /62/ match above ttgetc 1 tick lag
movb (r3) ,r0 ; cop char just sent
120$: tst mute ; echo this to TT?
bne 130$ ; no, don't echo modem I/O
mov r0 ,@sp ; set "msg rec'd" flag
call writ1char ; and echo to TT
130$: calls suspend ,<#0,wake.rate(r4)> ; no, pause if need be
br 90$ ; and do some more
140$: tst (sp) ; was anything echo'd to TT?
beq 150$ ; no, skip the newline
.newline ; ya, tag it
150$: waitfor wake.prompt(r4),#2,160$ ; now wait 2 secs for a response
br 170$ ; success
160$: tst cccnt ; abort?
bne 180$ ; ya..
dec r3 ; decrement loop counter
beq 190$ ; a complete failure, exit
jmp 80$ ; next please
170$: mov r4 ,mready ; flag that modem is initialized
clr r0 ; return(success)
br 210$
180$: mov #er$abk ,r0 ; say it's a keyboard abort
br 200$
190$: mov #er$wke ,r0 ; can't get wake$pmpt from modem
200$: clr mready ; modem is not now ready
210$: call eatjunk ; just to be sure..
tst (sp)+ ; pop "msg rec'd" flag buffer
unsave <r4,r3,r2,r1>
return
.sbttl Dial the number ; /BBS/ moderately modified..
; Note that the waitfor routine, called by macro of same name, will
; exit immediately if the string to compare against is NULL, thus it
; won't hurt anything to call it for modems that may not respond, as
; long dmod.* aren't defined for such a modem, that is..
dodial: save <r2,r3,r4>
clr -(sp) ; /62/ init "msg rec'd" flag
mov #buffer ,r3 ; pointer to a handy buffer
mov modtype ,r4 ; get address of modem descriptor
call fmtstr ; format the dialing string
ttputs dmod.string(r4) ; dump the prompt for dialing out
waitfor dmod.prompt(r4),#4,70$ ; wait for a response
call eatjunk ; let things settle a bit
br 30$ ; display format on abort kludge
10$: tstb (r3)+ ; next byte..
beq 80$ ; that's all there is
call chkabo ; strike any key to abort
tst r0 ; get anything?
beq 30$ ; nope
inc cccnt ; fake abort so modem is stopped
call clrcns ; eat LF after a CR, etc..
tst (sp) ; /62/ was anything echo'd to TT?
beq 20$ ; /62/ no, skip the newline
.newline ; /62/ ya, tag it
20$: jmp 150$ ; /62/ go clean up
30$: ttputc (r3) ; send a char to the modem
tst dial.echo(r4) ; does it echo?
beq 40$ ; no
ttgetc #-1 ; ya, wait one tick for echo
tst r0 ; get anything?
bne 60$ ; no
bicb #^c<177>,r1 ; remove parity always
movb r1 ,r0 ; copy the char
br 50$ ; and go dump same to the screen
40$: calls suspend ,<#0,#1> ; /62/ match above ttgetc 1 tick lag
movb (r3) ,r0 ; cop char just sent
50$: mov r0 ,@sp ; /62/ set "msg rec'd" flag
call writ1char ; and echo it to TT
60$: calls suspend ,<#0,dial.rate(r4)> ; pace chars if dial.rate is not 0
br 10$ ; loop
70$: mov #nodprompt,r0 ; no dial prompt
br 130$
80$: tst (sp) ; /62/ ever type anything to TT?
beq 90$ ; /62/ no, thus a newline isn't needed
.newline ; for dial string above
90$: mov #buffer ,r3 ; restore buffer pointer
waitfor dial.ack(r4),#4,110$ ; wait for numb to echo perhaps
ttputs dial.conf(r4) ; stuff a confirm (ok if null)
waitfor dial.go(r4),#5,120$ ; maybe wait for any confirming string
call getsts ; get final result of the call please
tst cccnt ; did this die from a keyboard abort?
bne 140$ ; ya
inc r0 ; success?
bgt 180$ ; yes
beq 100$ ; no, but modem stopped itself
ttputs dial.xabort(r4) ; get the modem to stop
calls suspend ,<#0,settle> ; let modem recover from abort!
100$: tstb buffer ; anything in the buffer?
bne 170$ ; ya, message already displayed..
mov #defmsg ,r0 ; no, must have timed out, say so
br 130$ ; go dump failure message
110$: mov #nod.ack,r0 ; no dial ack
br 130$
120$: mov #nod.go ,r0 ; no dial.go confirmation
130$: tst cccnt ; was ^C typed?
beq 160$ ; no
140$: tstb buffer ; anything in the buffer?
beq 150$ ; no, don't need a newline
.newline ; ya, goto a clean line
150$: ttputs dial.xabort(r4) ; get the modem to stop
calls suspend ,<#0,settle> ; let modem recover from abort!
mov cccnt ,-(sp) ; save number of times ^C typed
clr cccnt ; do this so set.dtr can call getatn
call set.dtr ; drop DTR and re-init modem
direrr r0 ; /62/ if set.dtr failed, say why
mov (sp)+ ,cccnt ; restore ^C count
mov #abort ,r0 ; user interrupt message
160$: wrtall r0 ; say why we are here..
.newline
170$: clr r0 ; failure
br 190$
180$: wrtall #bells ; beep just before CONNECTing
mov #1 ,r0 ; success
190$: tst (sp)+ ; /62/ pop "msg rec'd" flag buffer
unsave <r4,r3,r2>
return
.sbttl Get final result of dialing ; /BBS/ somewhat modified
NOREPLY = 7 ; /62/ fail call after this many rings
; offsets to local data on stack
STATUS = 0 ; current status
NRINGS = 2 ; number of rings
LOCSIZ = 4 ; size of the above
; passed: r4 = pointer to modem's data structure
; return: r0 = if <>, the error code
getsts: save <r5>
mov diatmo ,r3 ; /62/ # secs to wait for response
mul clkflg ,r3 ; convert to ticks per second
mov r3 ,r2 ; save 16-bit product here
sub #locsiz ,sp ; allocate a local data buffer
mov sp ,r5 ; and a pointer to it
clr -(sp) ; init "msg rec'd" flag
mov #noreply,nrings(r5) ; after this many rings, give up..
clr (r5) ; status = 0
10$: tst (r5) ; while (status == 0)
bne 90$ ; exit with result
mov #buffer ,r3 ; a buffer pointer
clrb (r3) ; init buffer
20$: call chkabo ; strike any key to abort
tst r0 ; get anything?
beq 30$ ; nope
inc cccnt ; fake abort so modem is stopped
call clrcns ; eat LF after a CR, etc..
br 40$ ; and bail out
30$: calls xbinrea ,<#-1> ; this actually waits one tick
tst r0 ; did that work?
beq 50$ ; ya
sob r2 ,20$ ; no, try it all again
40$: mov #aborted,(r5) ; flag modem needs to be killed
br 90$ ; exit loop
50$: tstb r1 ; never suffer embedded nulls
beq 20$ ; a null, skip it
bicb #^c<177>,r1 ; ensure a real seven bit character
movb r1 ,(r3)+ ; copy the byte over
clrb (r3) ; ensure we stay .asciz
tst res.bin(r4) ; exit loop on single character I/O?
bne 70$ ; yes
cmpb r1 ,#cr ; carriage return finally found?
beq 60$ ; yes
cmpb r1 ,#lf ; no, but
beq 60$ ; a line feed will do nicely
mov r1 ,@sp ; it's neither, set "msg rec'd" flag
mov r1 ,r0 ; pass char to writ1char
call writ1char ; echo to TT
br 20$ ; then go back for more input
60$: cmpb buffer ,#cr ; leading return?
beq 10$ ; can't be a valid response
cmpb buffer ,#lf ; leading line feed?
beq 10$ ; ditto..
70$: tst (sp) ; was anything echo'd to TT?
beq 80$ ; no, cursor is already on column one
.newline ; ya, tag it
80$: jsr pc,.default ; go check result message
br 10$ ; next please
90$: mov (r5) ,r0 ; recover error
tst (sp)+ ; pop "msg rec'd" flag buffer
add #locsiz ,sp ; pop temp buffer
unsave <r5>
return
.sbttl Check modem's response ; /39/ 4-DEC-1985, Brian Nelson
; Read possible responses and their message classes from a linked
; list whose first address is in res.header(modem_address). If a
; modem has no mod$res entries this routine will fail any call.
.default:save <r3> ; /BBS/ about 50% new..
mov res.head(r4),r3 ; get listhead of responses
beq 90$ ; nothing defined..
10$: save <r1,r2,r3>
add #4 ,r3 ; 4 byte offset for text
mov #buffer ,r2 ; address of response to find text in
20$: cmpb (r2) ,#space ; is this a space or below?
bgt 30$ ; no, continue
inc r2 ; ya, skip past leading blanks and non
br 20$ ; printing stuff before checking match
30$: upcase r3 ; uppercase text
strlen r3 ; get its length
mov r0 ,r1 ; save it
upcase r2 ; uppercase response from modem
strlen r2 ; get its length
calls instr ,<r2,r0,r3,r1> ; see if desired text is in response
unsave <r3,r2,r1>
dec r0 ; match must begin from the top of
beq 40$ ; the response string, else ignore it
mov (r3) ,r3 ; get the next in the list
bne 10$ ; something is left to try
br 100$ ; tried 'em all..
40$: mov 2(r3) ,(r5) ; response class
blt 50$ ; /62/ < is 38.4kb or a failed call
bgt 60$ ; 1 = ring, >1 = connect..
br 100$ ; 0 = info only, display but no action
50$: cmp (r5) ,#con38400 ; /62/ is it 38.4kb?
bne 90$ ; /62/ no, it's a failed call..
60$: cmp (r5) ,#2 ; what to do ??
blo 80$ ; it wuz ring /62/ fix for 38.4kb
beq 100$ ; connect without speed check
call ttspeed ; speed supplied, get handler's speed
tst r0 ; is it settable?
beq 70$ ; /62/ nope..
cmp r0 ,(r5) ; does modem speed = handler speed?
beq 70$ ; ya..
mov r0 ,b4speed ; no, save speed before fallback..
calls setspd ,<@r5> ; set it now
70$: mov #connect,@r5 ; say it's time to connect
br 100$
80$: clr @r5 ; turn ring into an info message
dec nrings(r5) ; if more than number in nrings
bne 100$ ; then give up
wrtall #dia.07 ; /63/ "% No answer"<cr><lf>
mov #aborted,(r5) ; flag need to make modem stop
br 100$
90$: mov #failed ,(r5) ; come here if modem stopped itself
100$: unsave <r3>
return
.sbttl Format dial string
; passed: r3 = address of buffer to place result
; argbuf = the phone number to insert via %S
fmtstr: save <r3>
mov dial.string(r4),r2 ; point to the dial format string
10$: tstb (r2) ; done?
beq 140$ ; yes
cmpb (r2) ,#'% ; look for a format effector
bne 120$ ; no
mov argbuf ,r0 ; assume phone number insertion
cmpb 1(r2) ,#'s!40 ; %S formatting?
beq 100$ ; yes
cmpb 1(r2) ,#'S&137 ; check both cases
beq 100$ ; yes
mov dial.wait(r4),r0 ; no, assume pause string formatting
cmpb 1(r2) ,#'p!40 ; %P for pause string?
beq 100$ ; yes
cmpb 1(r2) ,#'P&137 ; check both cases
beq 100$ ; yes
cmpb 1(r2) ,#'x!40 ; /BBS/ "%X" for Hayes extended mode?
beq 20$ ; /BBS/ yes
cmpb 1(r2) ,#'X&137 ; /BBS/ check both cases
bne 40$ ; /BBS/ no
20$: tstb xresult ; /BBS/ is there an xmode set?
beq 30$ ; /BBS/ no, kill leading space here
movb #'X&137 ,(r3)+ ; /BBS/ ya, insert an "X"
movb xresult ,(r3)+ ; /BBS/ then the mode, ala "X4"
movb xresult+1,(r3)+ ; /BBS/ one char or two?
bne 110$ ; /BBS/ it was two this time..
30$: dec r3 ; /BBS/ it was one, fix pointer
br 110$ ; /BBS/ and continue
40$: cmpb 1(r2) ,#'M&137 ; /54/ mode (ie PULSE, TONE)?
beq 50$ ; /54/ found it
cmpb 1(r2) ,#'m!40 ; /54/ try lower case also..
bne 60$ ; /54/ nope
50$: mov dial.pulse(r4),r0 ; /54/ assume PULSE dialing
tst pulse ; /54/ ever SET PHONE PULSE or TONE?
beq 110$ ; /54/ no, ignore string
bmi 100$ ; /54/ ya, it's PULSE
mov dial.nopulse(r4),r0 ; /54/ it's TONE
br 100$
60$: cmpb 1(r2) ,#'B&137 ; /54/ SET PHONE BLIND?
beq 70$ ; /54/ ya..
cmpb 1(r2) ,#'b!40 ; /54/ no, perhaps lower case?
bne 80$ ; /62/ nope
70$: tst blind ; /54/ ever do the SET PHONE BLIND?
beq 110$ ; /54/ no, ignore string
mov dial.blind(r4),r0 ; /54/ yes, insert the data then
br 100$
80$: cmpb 1(r2) ,#'A&137 ; /62/ auto-answer format effector?
beq 90$ ; /62/ ya
cmpb 1(r2) ,#'a!40 ; /62/ try lower case also..
bne 120$ ; /62/ no, copy data then
90$: mov ph.noanswer(r4),r0 ; /62/ default to not answering phone
tst answer ; /62/ did user SET PHONE ANSWER?
beq 100$ ; /62/ no
mov ph.answer(r4),r0 ; /62/ ya, insert answer command
100$: movb (r0)+ ,(r3)+ ; copy a byte please
bne 100$ ; not a null, next please
dec r3 ; fix current pointer up
110$: inc r2 ; skip over the "%" please
br 130$ ; next please
120$: movb (r2) ,(r3)+ ; not formatting, copy character
130$: inc r2 ; skip over current character now
br 10$ ; next
140$: clrb (r3) ; ensure dial string is .asciz
unsave <r3>
return
.sbttl Wait for a response ; /BBS/ moderately revised..
; passed: 2(sp) = string
; 4(sp) = time-out
; return: r0 = <> for success, 0 for time out
waitfor:save <r2,r3,r4> ; this decrements stack pointer 6
mov 2+6(sp) ,r4 ; string we are expecting
mov 4+6(sp) ,r3 ; time-out in seconds
mul clkflg ,r3 ; make it ticks
clr -(sp) ; init data rec'd flag
10$: movb (r4)+ ,r2 ; next character to await
beq 50$ ; success, we can leave now
20$: tst mute ; allow strike any key abort?
bne 30$ ; no
call chkabo ; strike any key to abort
tst r0 ; get anything?
beq 30$ ; nope
inc cccnt ; fake abort so modem is stopped
call clrcns ; eat LF after a CR, etc..
br 60$ ; and bail out
30$: dec r3 ; one less tick to wait
beq 60$ ; no more ticks left
calls xbinrea ,<#-1> ; this actually waits one tick
tst r0 ; success?
bne 20$ ; no
bicb #^c<177>,r1 ; remove parity always
cmpb r1 ,#cr ; is it a return?
beq 40$ ; ya, don't echo it
cmpb r1 ,#lf ; is it a line feed?
beq 40$ ; ya, don't echo it
movb r1 ,r0 ; get a copy of it
beq 20$ ; dump nulls
tst mute ; echo to TT this time?
bne 40$ ; no, don't echo modem I/O
mov r0 ,@sp ; set "msg rec'd" flag
call writ1char ; keep user informed of what's up..
40$: cmpb r1 ,r2 ; did we get the correct character?
bne 20$ ; no, keep waiting then
br 10$ ; found it, check for next character
50$: mov sp ,r0 ; success
br 70$
60$: clr r0 ; failure
70$: tst (sp)+ ; was anything dumped to TT?
beq 80$ ; nope
.newline ; ya, tag it with a newline
80$: unsave <r4,r3,r2>
mov (sp) ,4(sp) ; move return address up and fix stack
cmp (sp)+ ,(sp)+ ; here instead of in calling macro
return
.sbttl Eat junk from modem
eatjunk:save <r0,r1>
10$: ttgetc #-1 ; /BBS/ speed up junk consumption
tst r0 ; /BBS/ and thus redial faster..
beq 10$ ; loop until nothing remains
unsave <r1,r0>
return
.sbttl Send a string to the modem
do.put: strlen r1 ; /63/ get length
tst r0 ; anything to send?
beq 10$ ; no
calls binwri ,<r1,r0> ; ya, length is in r0
10$: return
.sbttl SHOW MODEM, SHOW DIAL ; /BBS/ heavily hacked
shodia::call loamdm ; /63/ ensure correct overlay loaded
mov modtype ,r4 ; get address of descriptor
bne 10$ ; got it
direrr #er$mdm ; no modem type has been set
return
10$: mov #deslist,r3 ; /63/ info list start
20$: movb (r3)+ ,r1 ; /62/ type 2=on/off,1=string,0=number
movb (r3)+ ,r2 ; /62/ offset, zero implies end
beq 100$ ; all done
add r4 ,r2 ; move to the correct offset
mov r3 ,-(sp) ; /62/ save the header address
30$: tstb (r3)+ ; now look for the end of it
bne 30$ ; not yet
decb r1 ; /62/ determine data type
bgt 70$ ; /62/ it's "2" goto on/off displayer
beq 40$ ; /62/ it's "1" goto string handler
wrtall (sp)+ ; /62/ dump the header
mov @r2 ,r0 ; it is "0" copy number to display
call L10266 ; write it to terminal
br 90$ ; next please
40$: mov (r2) ,r0 ; get the string address
beq 50$ ; /62/ nothing there
tstb @r0 ; again
bne 60$ ; /62/ there is something to see
50$: tst (sp)+ ; /62/ nothing, dump unused header
br 20$ ; /62/ skip newline, try next one
60$: wrtall (sp)+ ; /62/ dump the header
call unfmts ; convert and print it
wrtall r0 ; do it
br 90$ ; next
70$: wrtall (sp)+ ; /62/ dump the header
mov (r2) ,r0 ; /62/ get the data
beq 80$ ; /62/ 0 = no
wrtall #dia.08 ; /63/ anything_else = "Yes"
br 90$ ; /62/
80$: wrtall #dia.09 ; /63/ "No"
90$: .newline
br 20$ ; next
100$: wrtall #dia.10 ; /63/ "Dial time-out secs: "
mov diatmo ,r0 ; /62/ get time-out time
call L10266 ; /62/ display it
.newline ; /62/
wrtall #dia.11 ; /63/ "Settle-time ticks: "
mov settle ,r0 ; get settle time
call L10266 ; display it
.newline ; /62/
clr -(sp) ; a flag, if <> something found
mov ph.noanswer(r4),r1 ; /62/ default to not answering phone
tst answer ; /62/ did user SET PHONE ANSWER?
beq 110$ ; /62/ no
mov ph.answer(r4),r1 ; /62/ ya, insert answer command
110$: tstb @r1 ; /62/ if there is any..
beq 120$ ; /62/ there isn't
movb #'A&137 ,r2 ; /62/ there is, and it's this type
call foreff ; /62/ go display it
120$: tst blind ; ever SET PHONE BLIND?
beq 130$ ; no, ignore string
mov dial.blind(r4),r1 ; yes, insert the data then
tstb @r1 ; if there is any..
beq 130$ ; there isn't
movb #'B&137 ,r2 ; /62/ there is, and it's this type
call foreff ; go display it
130$: mov dial.pulse(r4),r1 ; assume PULSE dialing
tst pulse ; ever SET PHONE PULSE or TONE?
beq 150$ ; no, ignore string
bmi 140$ ; ya, it's PULSE
mov dial.nopulse(r4),r1 ; it's TONE
140$: tstb @r1 ; anything defined?
beq 150$ ; nope
movb #'M&137 ,r2 ; /62/ there is, and it's this type
call foreff ; go display it
150$: tstb xresult ; anything set here?
beq 170$ ; nope..
tst (sp) ; /62/ has this stuff been identified?
bne 160$ ; /62 ya
wrtall #msg$fmt ; /62/ no, do that now
mov sp ,(sp) ; /62/ and set flag it has been done
160$: wrtall #dia.12 ; /63/ ya, dump a header: '%X = "X'
wrtall #xresult ; and the actual number
mov #'" ,r0 ; /62/
call writ1char ; /62/
170$: tst (sp)+ ; /62/ dump formatter flag buffer
beq 180$ ; /62/ no newline needed..
.newline ; done with format effectors
180$: wrtall #dia.13 ; /63/ "Binary-responses: "
tst res.bin(r4) ; /62/ on or off?
beq 190$ ; /62/ 0 = no
wrtall #dia.08 ; /63/ anything_else = "Yes"
br 200$ ; /62/
190$: wrtall #dia.09 ; /63/ "No"
200$: .newline ; /62/
mov res.head(r4),r3 ; response header
beq 290$ ; nothing present
wrtall #dia.14 ; /63/ "Result strings:"<cr><lf>
210$: mov r3 ,r0 ; /62/ get the response address
beq 290$ ; all done
add #4 ,r0 ; /62/ offset to text
call unfmts ; /62/ convert it
wrtall r0 ; /62/ and print it
strlen r0 ; /62/ ..more efficient
sub #col.act,r0 ; number of blanks needed to pad
neg r0 ; make it positive
mov r0 ,r5 ; save it in a safe place
ble 230$ ; avoid this please
mov #space ,r0 ; load up a space
220$: call writ1ch ; this way is more efficient
sob r5 ,220$ ; loop until done
230$: mov 2(r3) ,r0 ; what is the message class?
bmi 270$ ; if < it's failure to connect
240$: dec r0 ; if = 1 it's ringing
beq 260$ ; it was one, because now it's 0
wrtall #dia.15 ; /63/ "Success"
dec r0 ; if = 2 connect w/o speed check
beq 250$ ; it wuz 2
inc r0 ; restore
inc r0 ; r0
wrtall #msg$dte ; " DTE is forced to "
call L10266 ; tag above with speed
250$: .newline
br 280$
260$: wrtall #dia.16 ; /63/ "Rings+1"<cr><lf>
br 280$
270$: cmp r0 ,#con38400 ; /62/ kludge to see if it's 38.4kb
beq 240$ ; /62/ it is..
wrtall #dia.17 ; /63/ "Failure"<cr><lf>
280$: mov (r3) ,r3 ; pick up link to..
br 210$ ; ..next please
290$: clr r0 ; /62/
return
foreff: tst 2(sp) ; /62/ need to print header?
bne 10$ ; /62/ nope..
wrtall #msg$fmt ; /62/ ya
mov sp ,2(sp) ; /62/ but not anymore
10$: mov #'% ,r0 ; /62/ a percent sign char
call writ1char ; /62/ dump it to the terminal
movb r2 ,r0 ; /62/ the format effector character
call writ1char ; /62/ now dump it to tt
wrtall #prefix ; /62/ do some display formatting
wrtall r1 ; /62/ now display what is inserted
wrtall #tripsp ; /62/ format display
return
des 1 ,mod.string ,<Modem name: >
des 1 ,mod.comment ,<Modem type: >
des 1 ,wake.string ,<Wakeup string: >
des 0 ,wake.rate ,<Wake-rate in ticks: >
des 1 ,wake.prompt ,<Response to wakeup: >
des 1 ,dial.string ,<Dial FORMAT string: >
des 0 ,dial.rate ,<Dial-rate in ticks: >
des 1 ,dial.wait ,<Pause character(s): >
des 1 ,dial.ack ,<Dial-acknowledge: >
des 1 ,dmod.string ,<"Initiate" string: >
des 1 ,dmod.prompt ,<"Initiate" prompt: >
des 1 ,dial.confirm ,<"Confirm" string: >
des 1 ,dial.go ,<"Confirm" ack: >
des 2 ,dial.echo ,<Echoes dial string: >
des 2 ,init.once ,<Redial w/o reinit: >
des 1 ,dial.blind ,<Blind dial string: >
des 1 ,dial.pulse ,<Pulse dial string: >
des 1 ,dial.nopulse ,<Tone dial string: >
des 1 ,dial.xabort ,<Dial abort string: >
des 1 ,dial.idle ,<Reset/idle string: >
des 1 ,ph.answer ,<Enable autoanswer: >
des 1 ,ph.noasnwer ,<Disable autoanswer: >
des
.end