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111
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1 void
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2 f (n, ppt, xrot)
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3 {
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4 int tileWidth;
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5 int nlwSrc;
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6 int srcx;
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7 int v3, v4;
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8 register unsigned long ca1, cx1, ca2, cx2;
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9 unsigned long *pSrcLine;
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10 register unsigned long *pDst;
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11 register unsigned long *pSrc;
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12 register unsigned long b, tmp;
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13 unsigned long tileEndMask;
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14 int v1, v2;
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15 int tileEndPart;
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16 int needFirst;
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17 tileEndPart = 0;
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18 v1 = tileEndPart << 5;
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19 v2 = 32 - v1;
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20 while (n--)
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21 {
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22 if ((srcx = (ppt - xrot) % tileWidth) < 0)
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23 if (needFirst)
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24 if (nlwSrc == 1)
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25 {
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26 tmp = b;
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27 if (tileEndPart)
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28 b = (*pSrc & tileEndMask) | (*pSrcLine >> v1);
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29 }
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30 if (tileEndPart)
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31 b = (tmp << v1) | (b >> v2);
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32 if (v4 != 32)
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33 *pDst = (*pDst & ((tmp << v3) | (b >> v4) & ca1 ^ cx1)
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34 ^ (((tmp << v3) | (b >> v4)) & ca2 ^ cx2));
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35 *pDst = *pDst & tmp;
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36 }
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37 }
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