| 0,0 → 1,52 |
|---|
| /******************************************************************************* |
| |
| MenuetOS MineSweeper |
| Copyright (C) 2003 Ivan Poddubny |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| |
| *******************************************************************************/ |
| |
| dword generator; // random number generator - äëÿ ãåíåðàöèè ñëó÷àéíûõ ÷èñåë |
| |
| :int random(int max) |
| // get pseudo-random number - ïîëó÷èòü ïñåâäîñëó÷àéíîå ÷èñëî |
| { |
| $rdtsc // eax & edx |
| $xor eax,edx |
| $not eax |
| |
| EBX = generator; |
| $ror ebx,3 |
| $xor ebx,0xdeadbeef |
| EBX += EAX; |
| generator = EBX; |
| |
| EAX += EBX; |
| EAX = EAX % max; |
| return EAX; |
| } |
| |
| :randomize() |
| // initialize random number generator - èíèöèàëèçèðîâàòü ãåíåðàòîð ñëó÷àéíûõ ÷èñåë |
| { |
| asm |
| { |
| mov eax,3 |
| int 0x40 |
| ror eax,16 |
| } |
| generator = EAX; |
| } |