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{
Heres a simple term program.... no frills except that it writes to dos's
putchar so that it supports ANSI!.... Public domain!
can anybody tell me how to change the speed of a COM port?
{----------------------CUT-----------------------------}
{Simple com program by Ira Gardiner.... all from scratch!}
uses crt;
Const
{ (1=$03F8 2=$02F8 3=$03E8 4=$02E8 }
Com = $2f8; {base address of com port 2}
Procedure Write(w : char); {Quick and dirty write to Dos's FAST PUTCHAR}
begin {It only writes one char though! that's all it's}
{supposed to!}
asm
mov al, w;
int $29
end;
end;
var
c : char;
done : boolean;
begin
done := false;
repeat
if keypressed then
begin
c := readkey;
if c = #27 then done := true; {if you press ESC it quits!}
port[com] := ord(c);
end;
if 97 = port[com+5] then write(char(port[com]));
until done = true;
end.
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