// 
// FMOD::System::attachChannelGroupToPort from 0x1800ab8a0 to 0x1800aba27 (391 bytes)
// 
// 5 xrefs:
// > FMOD_System_AttachChannelGroupToPort @ 0x1800c6835
// > <???> @ 0x180188bcc
// > <???> @ 0x180188c00
// > <???> @ 0x180194348
// > <???> @ 0x1801fbff4
// 
// This function is hookable on this platform!
// 
// Using BromaIDA 8.0.0 @ https://github.com/Stazzical/BromaIDA
// Using bindings at commit ba9f177b at Thu Jul 16 22:52:06 2026 from https://github.com/geode-sdk/bindings
// 

__int64 __fastcall FMOD::System::attachChannelGroupToPort(__int64 a1, unsigned int a2, __int64 a3, __int64 a4, char a5)
{
  int v7; // r15d
  unsigned int v9; // esi
  int v10; // ebx
  int v11; // ebx
  int v12; // ebx
  int v13; // eax
  __int64 v15; // [rsp+30h] [rbp-158h] BYREF
  __int64 v16; // [rsp+38h] [rbp-150h] BYREF
  _BYTE v17[256]; // [rsp+40h] [rbp-148h] BYREF

  v7 = a1;
  v15 = 0;
  v9 = FMOD::SystemI::validate(a1, &v16, &v15);
  if ( (v9 || (v9 = sub_1800E1F40(v16, a2, a3, a4, a5)) != 0) && *((char *)off_1801AED20 + 16) < 0 )
  {
    v10 = sub_1800F2EC0(v17, 256, a2);
    v11 = sub_1800F2F70(&v17[v10]) + v10;
    v12 = sub_1800F3310(&v17[v11], (unsigned int)(256 - v11), a3) + v11;
    v13 = sub_1800F2F70(&v17[v12]);
    sub_1800F3230(&v17[v13 + v12], (unsigned int)(256 - (v13 + v12)), a4);
    sub_1800B20E0(v9, 1, v7, (unsigned int)"System::attachChannelGroupToPort", (__int64)v17);
  }
  if ( v15 )
    sub_180102320(v15);
  return v9;
}