61 lines
3.3 KiB
HTML
Executable File
61 lines
3.3 KiB
HTML
Executable File
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="generator" content="TempleOS V5.03">
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<meta name="viewport" content="width=device-width">
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<link rel="stylesheet" href="/style/templeos.css">
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<script src="/script/templeos.js"></script>
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<style type="text/css">
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.cF0{color:#000000;background-color:#ffffff;}
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.cF1{color:#0000aa;background-color:#ffffff;}
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.cF2{color:#00aa00;background-color:#ffffff;}
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.cF3{color:#00aaaa;background-color:#ffffff;}
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.cF4{color:#aa0000;background-color:#ffffff;}
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.cF5{color:#aa00aa;background-color:#ffffff;}
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.cF6{color:#aa5500;background-color:#ffffff;}
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.cF7{color:#aaaaaa;background-color:#ffffff;}
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.cF8{color:#555555;background-color:#ffffff;}
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.cF9{color:#5555ff;background-color:#ffffff;}
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.cFA{color:#55ff55;background-color:#ffffff;}
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.cFB{color:#55ffff;background-color:#ffffff;}
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.cFC{color:#ff5555;background-color:#ffffff;}
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.cFD{color:#ff55ff;background-color:#ffffff;}
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.cFE{color:#ffff55;background-color:#ffffff;}
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.cFF{color:#ffffff;background-color:#ffffff;}
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</style>
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</head>
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<body>
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<pre id="content">
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<a name="l1"></a><span class=cF2>/*TempleOS has a feature that allows</span><span class=cF0>
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<a name="l2"></a></span><span class=cF2>access to bytes and words of larger</span><span class=cF0>
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<a name="l3"></a></span><span class=cF2>ints.</span><span class=cF0>
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<a name="l4"></a>
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<a name="l5"></a></span><span class=cF2>See </span><a href="/Wb/Kernel/KernelA.HH.HTML#l95"><span class=cF4>U64i union</span></a><span class=cF2>.</span><span class=cF0>
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<a name="l6"></a></span><span class=cF2> </span><span class=cF0>
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<a name="l7"></a></span><span class=cF2>The versions with "i" are internal data types.</span><span class=cF0>
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<a name="l8"></a></span><span class=cF2>Use "I64" instead of "U64i" and you</span><span class=cF0>
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<a name="l9"></a></span><span class=cF2>will have access to subbytes and</span><span class=cF0>
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<a name="l10"></a></span><span class=cF2>subwords.</span><span class=cF0>
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<a name="l11"></a>
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<a name="l12"></a></span><span class=cF2>Unfortunately, byte access causes the</span><span class=cF0>
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<a name="l13"></a></span><span class=cF2>compiler to not use a reg for the</span><span class=cF0>
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<a name="l14"></a></span><span class=cF2>variable.</span><span class=cF0>
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<a name="l15"></a>
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<a name="l16"></a></span><span class=cF2>See </span><a href="/Wb/Demo/Lectures/FixedPoint.HC.HTML#l1"><span class=cF4>::/Demo/Lectures/FixedPoint.HC</span></a><span class=cF2>.</span><span class=cF0>
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<a name="l17"></a></span><span class=cF2>*/</span><span class=cF0>
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<a name="l18"></a>
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<a name="l19"></a></span><span class=cF9>I64</span><span class=cF0> q=0xFEDCBA9876543210,q1;
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<a name="l20"></a>
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<a name="l21"></a></span><span class=cF6>"q\t\t=%016X\n"</span><span class=cF0>,q;
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<a name="l22"></a>q1=q.i16[2];
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<a name="l23"></a></span><span class=cF6>"q.i16[2]\t=%016X\n"</span><span class=cF0>,q1;
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<a name="l24"></a>q1=q.u8[5];
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<a name="l25"></a></span><span class=cF6>"q.u8[5]\t\t=%016X\n"</span><span class=cF0>,q1;
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<a name="l26"></a>q1=q.i32[1].u8[2];
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<a name="l27"></a></span><span class=cF6>"q.i32[1].u8[2]\t=%016X\n"</span><span class=cF0>,q1;
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<a name="l28"></a>q1=q.i32[0].i8[1];
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<a name="l29"></a></span><span class=cF6>"q.i32[0].i8[1]\t=%016X\n"</span><span class=cF0>,q1;
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</span></pre></body>
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</html>
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