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

bool move;

bool mtrig;
uint8_t mslot;
uint8_t srcslot;

bool deletetrig;
bool copytrig;

uint32_t sstart;
uint32_t send;
uint32_t slength;

uint32_t slottemp[4];

uint32_t *delstart;
uint32_t *delend;
uint8_t delcount;

static uint32_t _delstart[attr_poly][128] __attribute__((section(".sdram")));
delstart = &_delstart[parent->polyIndex][0];
static uint32_t _delend[attr_poly][128] __attribute__((section(".sdram")));
delend = &_delend[parent->polyIndex][0];
{
  int i;
  for (i = 0; i < 128; i++) {
    delstart[i] = 0;
    delend[i] = 0;
  }
}

mslot = inlet_slot % 126;
outlet_delete = 0;

// delete
if (inlet_delete && inlet_trig && !dtrig) {
  sstart = attr_smplr.array[mslot << 2];
  send = attr_smplr.array[(mslot << 2) + 1];
  int i;
  for (i = 0; i < 4; i++)
    attr_smplr.array[(mslot << 2) + i] = 0;
  bool check = 1;
  for (i = 0; i < 127; i++)
    if (attr_smplr.array[(i << 2) + 1] == send)
      check = 0;
  if (check) {
    delstart[delcount] = sstart;
    delend[delcount] = send;
    delcount++;
  }
  dtrig = 1;
  outlet_delete = 1;
}
// compact
if (inlet_defrag && !ctrig) {
  ctrig = 1;
  int i;
  for (i = 0; i < delcount; i++) {
    send = delend[i];
    sstart = delstart[i];
    slength = (send - sstart);
    int shift_index;
    for (shift_index = 0; shift_index < 508; shift_index += 4)
      if (attr_smplr.array[shift_index] >= send) {
        attr_smplr.array[shift_index] -= slength;
        attr_smplr.array[shift_index + 1] -= slength;
      }
    int move_samples;
    for (move_samples = send; move_samples < (attr_smplr.array[511]);
         move_samples++)
      attr_wave.array[move_samples - slength] = attr_wave.array[move_samples];
    int shift_chunks;
    for (shift_chunks = 0; shift_chunks < delcount; shift_chunks++)
      if (delstart[shift_chunks] >= send) {
        delstart[shift_chunks] -= slength;
        delend[shift_chunks] -= slength;
      }

    attr_smplr.array[511] -= slength;
  }
  delcount = 0;
}
if (!inlet_defrag)
  ctrig = 0;

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

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

// clear
if (inlet_clear && !clrtrig) {
  clrtrig = 1;
  delcount = 0;
  int i;
  for (i = 0; i < 512; i++)
    attr_smplr.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;