301         short           a2p=0;          /* LIMC */  in update()  local
360                 a2p = state_ptr->a[1] - (state_ptr->a[1] >> 7);  in update()
364                                 a2p -= 0x100;  in update()
366                                 a2p += 0xFF;  in update()
368                                 a2p += fa1 >> 5;  in update()
373                                 if (a2p <= -12160)  in update()
374                                         a2p = -12288;  in update()
375                                 else if (a2p >= 12416)  in update()
376                                         a2p = 12288;  in update()
378                                         a2p -= 0x80;  in update()
380                         else if (a2p <= -12416)  in update()
381                                 a2p = -12288;  in update()
382                         else if (a2p >= 12160)  in update()
383                                 a2p = 12288;  in update()
385                                 a2p += 0x80;  in update()
390                 state_ptr->a[1] = a2p;  in update()
403                 a1ul = 15360 - a2p;  in update()
457         else if (a2p < -11776)  /* small sample-to-sample correlation */  in update()