const int8_t tableWf_12ScanGen1[12 * 17 + 4] = {
    0,   50,   87,   100,  87,   50,
    0,   -50,  -87,  -100, -87,  -50, // 0
    0,   33,   67,   100,  67,   33,
    0,   -33,  -67,  -100, -67,  -33, // 1
    0,   50,   100,  100,  100,  50,
    0,   -50,  -100, -100, -100, -50, // 2
    0,   100,  100,  100,  100,  100,
    0,   -100, -100, -100, -100, -100, // 3
    0,   54,   100,  100,  100,  100,
    100, 46,   -67,  -100, -100, -100, // 4
    0,   36,   78,   100,  100,  100,
    100, 31,   -45,  -100, -100, -98, // 5
    0,   7,    26,   58,   97,   100,
    100, 100,  52,   -58,  -100, -100, // 6
    0,   28,   58,   84,   99,   96,
    71,  24,   -34,  -84,  -100, -69, // 7
    0,   64,   98,   93,   66,   36,
    12,  -8,   -33,  -67,  -98,  -84, // 8
    0,   87,   92,   43,   2,    -11,
    -4,  8,    8,    -20,  -77,  -95, // 9
    0,   100,  45,   -31,  -56,  -41,
    0,   41,   56,   31,   -45,  -100, // 10
    0,   100,  45,   31,   48,   43,
    0,   -43,  -48,  -31,  -45,  -100, // 11
    0,   94,   45,   81,   100,  97,
    0,   -97,  -100, -81,  -45,  -94, // 12
    0,   99,   37,   38,   86,   97,
    52,  -80,  -96,  -100, -64,  -88, // 13
    0,   83,   91,   87,   16,   19,
    -43, -81,  -53,  -87,  -99,  -95, // 14
    0,   75,   96,   87,   29,   6,
    -43, -73,  -64,  -87,  -100, -89, // 15
    0,   50,   87,   100,  87,   50,
    0,   -50,  -87,  -100, -87,  -50, // guard repeat
    0,   33,   67,   100              // guard
};

if (param_mode == 0) {
  // ScanWave mode
  // v = (1-a)*t[i] +a*t[i+1]
  // t:q7 v:q27 => a:q20
  int32_t scan = 12 * ((param_scan + inlet_scan) & 0x07FFFFFF);
  int32_t i = scan >> (27 - 4);             // [0 12*16-1]
  int32_t a = scan & ((1 << (27 - 4)) - 1); // q23
  a >>= 3;                                  // q20
  int32_t _a = (1 << 20) - a;
  for (int j = 0; j < 12; j++) {
    outlet_wf12[j] = _a * tableWf_12ScanGen1[i] + a * tableWf_12ScanGen1[i + 1];
    i++;
  }
} else {
  // TransWave mode
  int32_t pos = (param_scan + inlet_scan) & 0x07FFFFFF;
  int32_t i = (pos >> (27 - 4)) * 12;      // [0 15]*12
  int32_t a = pos & ((1 << (27 - 4)) - 1); // q23
  a >>= 3;                                 // q20
  int32_t _a = (1 << 20) - a;
  for (int j = 0; j < 12; j++) {
    outlet_wf12[j] =
        _a * tableWf_12ScanGen1[i] + a * tableWf_12ScanGen1[i + 12];
    i++;
  }
}