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<a name="l1"></a><span class=cF1>U0</span><span class=cF0> RandPts()
<a name="l2"></a>{
<a name="l3"></a> </span><span class=cF9>I64</span><span class=cF0> i;
<a name="l4"></a> </span><span class=cF1>F64</span><span class=cF0> t0=</span><span class=cF5>tS</span><span class=cF0>;
<a name="l5"></a> </span><span class=cF1>do</span><span class=cF0> </span><span class=cF7>{</span><span class=cF0>
<a name="l6"></a> </span><span class=cF1>for</span><span class=cF0> (i=0;i<1024;i++) {
<a name="l7"></a> </span><span class=cFB>gr</span><span class=cF0>.dc->color=</span><span class=cF5>RandU16</span><span class=cF0>&15;
<a name="l8"></a> </span><span class=cF5>GrPlot</span><span class=cF0>(</span><span class=cFB>gr</span><span class=cF0>.dc,</span><span class=cF5>RandU32</span><span class=cF0>%</span><span class=cF3>GR_WIDTH</span><span class=cF0>,</span><span class=cF5>RandU32</span><span class=cF0>%</span><span class=cF3>GR_HEIGHT</span><span class=cF0>);
<a name="l9"></a> }
<a name="l10"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l11"></a> </span><span class=cF7>}</span><span class=cF0> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>tS</span><span class=cF0>-t0<1);
<a name="l12"></a> </span><span class=cF5>DCFill</span><span class=cF0>;
<a name="l13"></a>}
<a name="l14"></a>
<a name="l15"></a></span><span class=cF1>U0</span><span class=cF0> RandDemo()
<a name="l16"></a>{
<a name="l17"></a> </span><span class=cF9>I64</span><span class=cF0> i;
<a name="l18"></a>
<a name="l19"></a> </span><span class=cF6>"Seed(0) will do timer XORed random numbers. "</span><span class=cF0>
<a name="l20"></a> </span><span class=cF6>"A task starts with </span><a href="/Wb/Kernel/KTask.HC.HTML#l237"><span class=cF4>Seed(0)</span></a><span class=cF6> by dft.\n"</span><span class=cF0>;
<a name="l21"></a> </span><span class=cF5>PressAKey</span><span class=cF0>;
<a name="l22"></a> </span><span class=cF5>Seed</span><span class=cF0>;
<a name="l23"></a> RandPts;
<a name="l24"></a> </span><span class=cF5>DCFill</span><span class=cF0>;
<a name="l25"></a>
<a name="l26"></a> </span><span class=cF6>"\nSeed(num) will do deterministic, non-timer random numbers starting at "</span><span class=cF0>
<a name="l27"></a> </span><span class=cF6>"a specific seed. You can run a specific video game over and over "</span><span class=cF0>
<a name="l28"></a> </span><span class=cF6>"by typing Seed(num) at the cmd line before the game.\n"</span><span class=cF0>;
<a name="l29"></a> </span><span class=cF5>PressAKey</span><span class=cF0>;
<a name="l30"></a> </span><span class=cF5>Seed</span><span class=cF0>(1);
<a name="l31"></a> RandPts;
<a name="l32"></a> </span><span class=cF5>DCFill</span><span class=cF0>;
<a name="l33"></a>
<a name="l34"></a> </span><span class=cF6>"\n\n\nWatch when we specify specific seeds:"</span><span class=cF0>;
<a name="l35"></a>
<a name="l36"></a> </span><span class=cF6>"\n\nSeed(1);\n"</span><span class=cF0>;
<a name="l37"></a> </span><span class=cF5>Seed</span><span class=cF0>(1);
<a name="l38"></a> </span><span class=cF1>for</span><span class=cF0> (i=0;i<5;i++)
<a name="l39"></a> </span><span class=cF6>"%d: %d\n"</span><span class=cF0>,i,</span><span class=cF5>RandI16</span><span class=cF0>;
<a name="l40"></a>
<a name="l41"></a> </span><span class=cF6>"\nSeed(2); Different, right?\n"</span><span class=cF0>;
<a name="l42"></a> </span><span class=cF5>Seed</span><span class=cF0>(2);
<a name="l43"></a> </span><span class=cF1>for</span><span class=cF0> (i=0;i<5;i++)
<a name="l44"></a> </span><span class=cF6>"%d: %d\n"</span><span class=cF0>,i,</span><span class=cF5>RandI16</span><span class=cF0>;
<a name="l45"></a>
<a name="l46"></a> </span><span class=cF6>"\nSeed(1); Repeats earlier values.\n"</span><span class=cF0>;
<a name="l47"></a> </span><span class=cF5>Seed</span><span class=cF0>(1);
<a name="l48"></a> </span><span class=cF1>for</span><span class=cF0> (i=0;i<5;i++)
<a name="l49"></a> </span><span class=cF6>"%d: %d\n"</span><span class=cF0>,i,</span><span class=cF5>RandI16</span><span class=cF0>;
<a name="l50"></a>
<a name="l51"></a> </span><span class=cF6>"\nSeed(0); Zero is special.\n"</span><span class=cF0>;
<a name="l52"></a> </span><span class=cF5>Seed</span><span class=cF0>(0);
<a name="l53"></a> </span><span class=cF1>for</span><span class=cF0> (i=0;i<5;i++)
<a name="l54"></a> </span><span class=cF6>"%d: %d\n"</span><span class=cF0>,i,</span><span class=cF5>RandI16</span><span class=cF0>;
<a name="l55"></a>
<a name="l56"></a> </span><span class=cF6>"\nSeed(0); Non-repeating.\n"</span><span class=cF0>;
<a name="l57"></a> </span><span class=cF5>Seed</span><span class=cF0>(0);
<a name="l58"></a> </span><span class=cF1>for</span><span class=cF0> (i=0;i<5;i++)
<a name="l59"></a> </span><span class=cF6>"%d: %d\n"</span><span class=cF0>,i,</span><span class=cF5>RandI16</span><span class=cF0>;
<a name="l60"></a>
<a name="l61"></a> </span><span class=cF5>Seed</span><span class=cF0>; </span><span class=cF2>//Dft should be kept to zero.</span><span class=cF0>
<a name="l62"></a>}
<a name="l63"></a>
<a name="l64"></a>RandDemo;
</span></pre></body>
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