void RTMPPrepareRDCTSFrame

               (int param_1,undefined4 param_2,undefined2 param_3,undefined4 param_4,int param_5)

{

  char cVar1;

  int iVar2;

  byte *pbVar3;

  undefined2 local_40 [2];

  undefined4 local_3c;

  undefined1 auStack_38 [4];

  byte abStack_34 [8];

  byte local_2c [4];

  uint local_28;

  byte abStack_20 [8];

  if (param_5 == 0x7700) {

    cVar1 = *(char *)(param_1 + 0xb0) + -2   //possible issue identified - semgrep

  }

  else {

    if (param_5 != 0x7780) {

      printk("%s illegal address (%lx) for CTS frame buffer.\n","RTMPPrepareRDCTSFrame",param_5);

      return;

    }

    cVar1 = *(char *)(param_1 + 0xb0) + -1   //possible issue identified - semgrep

  }

  memset(&local_3c,0,0x10)   //possible issue identified - semgrep

  local_3c = CONCAT22(param_3,(undefined2)local_3c) & 0xffffff03 | 0xc4;

  memcpy(auStack_38,(void *)(param_1 + 0x16973),6)   //possible issue identified - semgrep

  if (*(byte *)(param_1 + 0x169ec) < 0xf) {

    local_40[0] = 0;

  }

  else {

    local_40[0] = 0x4000;

  }

  pbVar3 = local_2c;

  RTMPWriteTxWI(param_1,pbVar3,0,0,0,0,0,1,0,cVar1,10,5,0,0,2,0,local_40);

  local_28 = local_28 & 0xfffffff | 0x50000000;

  iVar2 = param_5;

  while( true ) {

    if (*(char *)(param_1 + 0xec) == '\0') {

      *(uint *)(*(int *)(param_1 + 0xdc) + iVar2) =

           (uint)pbVar3[1] * 0x100 + (uint)pbVar3[2] * 0x10000 + (uint)*pbVar3 +

           (uint)pbVar3[3] * 0x1000000;

    }

    iVar2 = iVar2 + 4;

    if (pbVar3 == abStack_20) break;

    pbVar3 = pbVar3 + 4;

  }

  param_5 = param_5 + 0x10;

  pbVar3 = (byte *)&local_3c;

  while( true ) {

    if (*(char *)(param_1 + 0xec) == '\0') {

      *(uint *)(*(int *)(param_1 + 0xdc) + param_5) =

           (uint)pbVar3[1] * 0x100 + (uint)pbVar3[2] * 0x10000 + (uint)*pbVar3 +

           (uint)pbVar3[3] * 0x1000000;

    }

    param_5 = param_5 + 4;

    if (pbVar3 == abStack_34) break;

    pbVar3 = pbVar3 + 4;

  }

  AsicUpdateRxWCIDTable(param_1,cVar1,param_1 + 0x51ac);

  return;

}