Pascal Timer - Programmers Heaven

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# Pascal Timer

Posts: 7Member
I'm sorry to disturb you...
There's this little game I'm developing and I'm stuck.

So the game is about guessing a random number and I want to put a timer to see how long did the user to guess the number.

Here's the code for the timer:

[code]Procedure Timer ;
Begin
time := 0 ;
While a <> b do
Begin
Writeln ('Seconds: ',time,'') ;
Delay (1000) ;
Inc (time) ;
ClrScr ;[/code]

"a" is the input number and "b" is the randomized number.
The problem is that the program keeps repeating the delay of 1 second and it doesn't let me input a number.

I thought on executing the main program and the procedure at the same time but I guess there is another way of doing it.

Here's the code for the rest of the game:

[code]Program Guess_the_number ;
Uses crt ;
var a, b, time : Integer ;
Begin
ClrScr ;
Timer ;
b := 1 ;
b := random (100) ;
Writeln ('Write a number between 1 and 100:') ;
Repeat
If a < b
then Writeln ('Too small...') ;
If a > b
then Writeln ('Too big...') ;
Until a = b ;
If a = b
then Writeln ('You did it! The correct number was ',b,'!') ;
Writeln ('You took ',time,' seconds to guess it.') ;
End ;[/code]

You guys have any ideas?

• Posts: 163Member
[code][color=Blue]program guess_the_number;

var a,b,tries:byte;
time:longint;

begin
randomize;
tries:=0;
a:=succ(random(100));
time:=meml[0:\$46c]; { <-- Get time from system counter, it gets updated every 55ms }
repeat
write(#13#10'Enter a number between 1 and 100 (0 to Exit) : ');readln(b);
inc(tries);
if b=0 then begin writeln(#13#10'Exiting...');halt;end;
if a<b then writeln('Too big...') else
if a>b then writeln('Too small...');
until a=b;
time:=trunc((meml[0:\$46c]-time)/18.2); { <-- calculate elapsed time }
writeln(#13#10#13#10'You took ',time,' seconds and ',tries,' tries to guess it.');readln;
end.[/color][/code]
• Posts: 7Member
Works like charm on Turbo Pascal, although I use Free Pascal more frequently, and there the code for the system counter and the elapsed time doesn't work.

Anyway thanks for the code for Turbo.
• Posts: 163Member
[code][color=Blue]program guess_the_number;
[red]uses windows;[/red]
var a,b,tries:byte;
time:[red]dword[/red];

begin
randomize;
tries:=0;
a:=succ(random(100));
time:=[red]gettickcount;[/red] { <-- Get time from system counter, it gets updated every millisecond }
repeat
write(#13#10'Enter a number between 1 and 100 (0 to Exit) : ');readln(b);
inc(tries);
if b=0 then begin writeln(#13#10'Exiting...');halt;end;
if a<b then writeln('Too big...') else
if a>b then writeln('Too small...');
until a=b;
time:=trunc(([red]gettickcount[/red]-time)/[red]1000[/red]); { <-- calculate elapsed time }
writeln(#13#10#13#10'You took ',time,' seconds and ',tries,' tries to guess it.');readln;
end.[/color][/code]
• Posts: 7Member
Worked exactly like I expected to.
Anyway, the code I put was just a part of the original game.
The original has 3 difficulty modes (easy, medium and hard) and has the option of playing by tries, by time or both.
Grace to your resolution, I managed to do it all.

Looks like the game will keep entertained some of my classmates (if not all):-)

From now on, I'll do my best to make better games.

Thanks, mate.