1:
2:
3:
4:
5:
6:
7:
8:

function Rand(v: integer): integer;
begin
 repeat
  result := round(v * 3 * cos(randseed * 133.579487179487));
  randseed := (randseed + gettickcount + random(10));
  if result < 0 then result := -result;
 until result < v;
end;					

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:

procedure       Randomize;
{$IFDEF LINUX}
begin
  RandSeed := _time(nil);
end;
{$ENDIF}
{$IFDEF MSWINDOWS}
var
  Counter: Int64;
begin
  if QueryPerformanceCounter(Counter) then
    RandSeed := Counter
  else
    RandSeed := GetTickCount;
end;
{$ENDIF}					

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:
34:
35:
36:

procedure       Randomize;
{$IFDEF LINUX}
begin
  RandSeed := _time(nil);
{$ENDIF}
{$IFDEF MSWINDOWS}
var
        systemTime :
        record
                wYear   : Word;
                wMonth  : Word;
                wDayOfWeek      : Word;
                wDay    : Word;
                wHour   : Word;
                wMinute : Word;
                wSecond : Word;
                wMilliSeconds: Word;
                reserved        : array [0..7] of char;
        end;
asm
        LEA     EAX,systemTime
        PUSH    EAX
        CALL    GetSystemTime
        MOVZX   EAX,systemTime.wHour
        IMUL    EAX,60
        ADD     AX,systemTime.wMinute   { sum = hours * 60 + minutes    }
        IMUL    EAX,60
        XOR     EDX,EDX
        MOV     DX,systemTime.wSecond
        ADD     EAX,EDX                 { sum = sum * 60 + seconds              }
        IMUL    EAX,1000
        MOV     DX,systemTime.wMilliSeconds
        ADD     EAX,EDX                 { sum = sum * 1000 + milliseconds       }
        MOV     RandSeed,EAX
{$ENDIF}
end;