(*****************************************************************************)

(*> <*)

(*> Telegard Bulletin Board System - Copyright 1988,89,90 by <*)

(*> Eric Oman, Martin Pollard, and Todd Bolitho - All rights reserved. <*)

(*> <*)

(*> Module name: SYSOP2A.PAS <*)

(*> Module purpose: System Configuration "A" command <*)

(*> (Modem Configuration) <*)

(*> <*)

(*****************************************************************************)

{$A+,B+,D-,E+,F+,I+,L+,N-,O+,R-,S+,V-}

unit sysop2a;

interface

uses

crt, dos,

{rcg11172000 no overlay under Linux.}

{overlay,}

cuser,

common;

procedure pomodem;

implementation

const

aresure='Are you sure this is what you want? ';

function wantit:boolean;

begin

nl; wantit:=pynq(aresure);

end;

procedure noch;

begin

print('No change.');

end;

function showmodemstring(s:astr):astr;

var o:astr;

i:integer;

begin

o:='';

for i:=1 to length(s) do

case s[i] of

^@..^L,^N..^[:

o:=o+'^'+chr(ord(s[i])+64);

^M:o:=o+'|';

else

o:=o+s[i];

end;

showmodemstring:=o;

end;

procedure newmodemstring(var vs:astr; what:astr; len:integer);

var i:integer;

changed:boolean;

begin

print('Current modem '+what+' string: "'+showmodemstring(vs)+'"');

nl;

print('Use: "^" preceding control codes (^@..^[)');

print(' "|" for a carriage return');

print(' "~" for a half-second delay');

nl;

print('Enter NEW modem '+what+' string:');

prt(':');

if (len>78) then mpl(78) else mpl(len);

inputwn(vs,len,changed);

if (changed) then begin

for i:=1 to length(vs) do

case vs[i] of

'|':vs[i]:=^M;

'^':if ((i<>length(vs)) and (vs[i+1] in ['@'..'['])) then begin

vs[i]:=chr(ord(vs[i+1])-64);

delete(vs,i+1,1);

end;

end;

end else

noch;

end;

(*

function whatflags:astr;

var s:string[64];

begin

with modemr do begin

if (ctschecking) then s:='CTS check ON, ' else s:='CTS check OFF, ';

if (dsrchecking) then s:=s+'DSR check ON, ' else s:=s+'DSR check OFF, ';

if (usexonxoff) then s:=s+'XON/XOFF ON, ' else s:=s+'XON/XOFF OFF, ';

if (hardwired) then s:=s+'"Hard-wired" carrier' else s:=s+'Normal carrier';

end;

whatflags:=s;

end;

*)

procedure pomodem;

var modemrf:file of modemrec;

s:string[80];

i,c1,c2,cc:integer;

c,ccc:char;

abort,next,done:boolean;

begin

done:=FALSE;

repeat

with modemr do begin

cls;

sprint(#3#5+'Modem configuration');

nl;

abort:=FALSE; next:=FALSE;

printacr('1. Maximum baud rate : '+cstrl(waitbaud),abort,next);

printacr('2. COM port number : '+cstr(comport),abort,next);

printacr('3. Modem initialization string:',abort,next);

printacr(' "'+showmodemstring(init)+'"',abort,next);

printacr('4. Modem answer string : "'+showmodemstring(answer)+'"',abort,next);

printacr('5. Modem hangup string : "'+showmodemstring(hangup)+'"',abort,next);

printacr('6. Modem offhook string : "'+showmodemstring(offhook)+'"',abort,next);

printacr('7. No-call init time : '+cstr(nocallinittime),abort,next);

printacr('A. 9600 ARQ rate baud : '+cstrl(arq9600rate)+' baud',abort,next);

(*

printacr('F. Comm flags: '+whatflags,abort,next);

*)

printacr('F. Force baud rates? : '+syn(not noforcerate),abort,next);

printacr('R. Modem result codes:',abort,next);

printacr(' Case 1 Case 2 (ARQ)',abort,next);

printacr(' R1. NO CARRIER : '+cstr(nocarrier),abort,next);

printacr(' R2. NO DIALTONE: '+cstr(nodialtone),abort,next);

printacr(' R3. BUSY : '+cstr(busy),abort,next);

for i:=0 to 5 do begin

case i of

0:s:=' 300'; 1:s:='1200'; 2:s:='2400';

3:s:='4800'; 4:s:='9600'; 5:s:='19200';

end;

s:=' R'+cstr(i+4)+'. '+s+' BAUD : '+

mn(resultcode[1][i],3)+' '+

mn(resultcode[2][i],3);

printacr(s,abort,next);

end;

nl;

prt('Enter selection or (Q)uit : ');

onek(c,'Q1234567AFR'^M); nl;

case c of

'1':if (incom) then begin

sprint(#3#7+'This can only be changed locally!!@M');

pausescr;

end else begin

print('This is the baud rate that Telegard will use when waiting for calls');

print('at the WFC menu. This should be your modem''s MAXIMUM BAUD RATE.');

nl;

print('The current rate is: '+cstrl(waitbaud)+' baud.');

nl;

print('A:300 B:1200 C:2400 D:4800 E:9600 F:19200 G:38400');

prt('Modem speed? (A-G) : '); onek(ccc,'QABCDEFG'^M);

if (ccc in ['A'..'G']) then

case ccc of

'A':waitbaud:=300;

'B':waitbaud:=1200;

'C':waitbaud:=2400;

'D':waitbaud:=4800;

'E':waitbaud:=9600;

'F':waitbaud:=19200;

'G':waitbaud:=38400;

end;

end;

'2':if (incom) then begin

sprint(#3#7+'This can only be changed locally!!@M');

pausescr;

end else begin

prt('Com port (1-4)? '); inu(cc);

if (cc in [1..4]) then

if (wantit) then begin

remove_port;

comport:=cc;

iport;

end

else noch;

end;

'3':newmodemstring(init,'init',80);

'4':newmodemstring(answer,'answer',40);

'5':newmodemstring(hangup,'hangup',40);

'6':newmodemstring(offhook,'offhook',40);

'7':begin

prt('No call modem re-initialization: '); inu(c1);

if (not badini) then nocallinittime:=c1;

end;

'A':begin

print('This is the baud rate Telegard will USE between Telegard and your');

print('modem when a 9600 ARQ result code is received. Note that in most');

print('9600+ modems, the rate is 19,200 baud. Some even newer modems');

print('support 38,400 baud. OLDER modems (very old ones) only support 9600');

print('baud. CONSULT YOUR MODEM MANUAL, and make the best choice!');

nl;

print('The current rate is: '+cstrl(arq9600rate)+' baud.');

nl;

print('Valid SUPPORTED rates are 9600, 19200, and 38400 bauds.');

nl;

prt('(A):9600 (B):19200 (C):38400 or (Q)uit : ');

onek(ccc,'QABC'^M);

if (ccc in ['A'..'C']) then

case ccc of

'A':arq9600rate:=9600;

'B':arq9600rate:=19200;

'C':arq9600rate:=38400;

end;

end;

(*

'F':begin

print('These are communications flags used by Telegard.');

print('Do NOT change them unless you are having problems with');

print('your *current* setup, and you KNOW what you are doing!');

nl;

print('Current flag setup: '+whatflags);

nl;

print('(C)TS checking, (D)SR checking,');

print('(X)ON/XOFF, (H)ard-wired carrier');

nl;

prt('Which flag: '); onek(c,'QCDHX'^M);

case c of

'C':ctschecking:=not ctschecking;

'D':dsrchecking:=not dsrchecking;

'H':hardwired:=not hardwired;

'X':usexonxoff:=not usexonxoff;

end;

c:=#0;

end;

*)

'F':noforcerate:=not noforcerate;

'R':begin

prt('Which result code? '); onek(ccc,'Q123456789');

cc:=ord(ccc)-48;

if (cc in [1..9]) then begin

if (cc in [1..3]) then begin

prt('Enter new result code: '); inu(c1);

if not badini then

if wantit then

case cc of

1:nocarrier:=c1;

2:nodialtone:=c1;

3:busy:=c1;

end

else noch;

end else begin

prt('Enter case 1 result code: '); inu(c1);

if (not badini) then resultcode[1][cc-4]:=c1;

prt('Enter case 2 result code: '); inu(c2);

if (not badini) then resultcode[2][cc-4]:=c2;

end;

end;

end;

'Q':done:=TRUE;

end;

end;

until ((done) or (hangup));

assign(modemrf,systat.gfilepath+'modem.dat');

reset(modemrf); seek(modemrf,0); write(modemrf,modemr); close(modemrf);

end;

end.