| void |
| f (int n, int ppt, int xrot) |
| { |
| int tileWidth; |
| int nlwSrc; |
| int srcx; |
| int v3, v4; |
| register unsigned long ca1, cx1, ca2, cx2; |
| unsigned long *pSrcLine; |
| register unsigned long *pDst; |
| register unsigned long *pSrc; |
| register unsigned long b, tmp; |
| unsigned long tileEndMask; |
| int v1, v2; |
| int tileEndPart; |
| int needFirst; |
| tileEndPart = 0; |
| v1 = tileEndPart << 5; |
| v2 = 32 - v1; |
| while (n--) |
| { |
| if ((srcx = (ppt - xrot) % tileWidth) < 0) |
| if (needFirst) |
| if (nlwSrc == 1) |
| { |
| tmp = b; |
| if (tileEndPart) |
| b = (*pSrc & tileEndMask) | (*pSrcLine >> v1); |
| } |
| if (tileEndPart) |
| b = (tmp << v1) | (b >> v2); |
| if (v4 != 32) |
| *pDst = (*pDst & ((tmp << v3) | (b >> v4) & ca1 ^ cx1) |
| ^ (((tmp << v3) | (b >> v4)) & ca2 ^ cx2)); |
| *pDst = *pDst & tmp; |
| } |
| } |
