bool ctrig;
bool dtrig;
bool cpytrig;
bool cpytemptrig;
bool del;
bool clrtrig;

bool move;

bool mtrig;
uint8_t mslot;
uint8_t srcslot;

bool copytrig;

uint32_t sstart;
uint32_t send;
uint32_t slength;

uint32_t slottemp[4];
int32_t paramtemp[1 << attr_blocksize];

static const uint16_t LENGTH = 1024;
uint32_t *array;
bool REC;
uint8_t RECSLOT;

void delete_slot(uint8_t target) __attribute__((noinline)) {
  if (array[(target << 2) + 2]) {
    sstart = array[target << 2];
    send = array[(target << 2) + 1];
    int i;
    for (i = 0; i < 4; i++)
      array[(target << 2) + i] = 0;
    for (i = 0; i < (1 << attr_blocksize); i++)
      attr_params.array[(target << attr_blocksize) + i] = 0;
    bool check = 1;
    for (i = 0; i < 127; i++)
      if (array[(i << 2) + 1] == send)
        check = 0;
    if (check) {
      array[array[1023] + 512] = sstart;
      array[array[1023] + 767] = send;
      array[1023]++;
    }
  }
}

static uint32_t _array[attr_poly][1024] __attribute__((section(".sdram")));
array = &_array[parent->polyIndex][0];

{
  int i;
  for (i = 0; i < 1024; i++)
    array[i] = 0;
}

mslot = inlet_slot % 126;
outlet_delete = 0;

// delete
if (inlet_delete && inlet_trig && !dtrig) {
  delete_slot(mslot);
  dtrig = 1;
  outlet_delete = 1;
}
// compact
if (inlet_defrag && !ctrig) {
  ctrig = 1;
  int i;
  for (i = 0; i < array[1023]; i++) {
    send = array[i + 767];
    sstart = array[i + 512];
    slength = (send - sstart);
    int shift_index;
    for (shift_index = 0; shift_index < 512; shift_index += 4)
      if (array[shift_index] >= send) {
        array[shift_index] -= slength;
        array[shift_index + 1] -= slength;
      }
    int move_samples;
    for (move_samples = send; move_samples < (array[1022]); move_samples++)
      attr_wave.array[move_samples - slength] = attr_wave.array[move_samples];
    int shift_chunks;
    for (shift_chunks = 0; shift_chunks < array[1023]; shift_chunks++)
      if (array[shift_chunks + 512] >= send) {
        array[shift_chunks + 512] -= slength;
        array[shift_chunks + 767] -= slength;
      }

    array[1022] -= slength;
  }
  array[1023] = 0;
}
if (!inlet_defrag)
  ctrig = 0;

// paste
if (inlet_trig && cpytemptrig && !cpytrig && (inlet_copy || move)) {
  cpytrig = 1;
  delete_slot(mslot);
  int i;
  for (i = 0; i < 4; i++)
    array[(mslot << 2) + i] = slottemp[i];
  if (inlet_copy && inlet_pitchUp)
    paramtemp[8] += (((1 << attr_params.GAIN) / 3) + 1);
  if (inlet_copy && inlet_pitchDown)
    paramtemp[8] -= (((1 << attr_params.GAIN) / 3) + 1);
  for (i = 0; i < (1 << attr_blocksize); i++)
    attr_params.array[(mslot << attr_blocksize) + i] = paramtemp[i];
  if (move) {
    delete_slot(srcslot);
    outlet_delete = 1;
    move = 0;
  }
}

// copy
if (inlet_trig && !cpytemptrig && (inlet_copy || move)) {
  cpytemptrig = 1;
  srcslot = mslot;
  int i;
  for (i = 0; i < 4; i++)
    slottemp[i] = array[(mslot << 2) + i];
  for (i = 0; i < (1 << attr_blocksize); i++)
    paramtemp[i] = attr_params.array[(mslot << attr_blocksize) + i];
}

// move
if (inlet_move && !mtrig) {
  mtrig = 1;
  move = 1;
}

// clear
if (inlet_clear && !clrtrig) {
  clrtrig = 1;
  int i;
  for (i = 0; i < 1024; i++)
    array[i] = 0;
  for (i = 0; i < ((1 << attr_blocksize) << 7); i++)
    attr_params.array[i] = 0;
}

if (!inlet_copy && !inlet_move)
  cpytemptrig = 0;
if (!inlet_move) {
  mtrig = 0;
  move = 0;
}
if (!inlet_trig) {
  cpytrig = 0;
  dtrig = 0;
}
if (!inlet_clear)
  clrtrig = 0;