KiOpFetchNextByte

INT64 __fastcall KiOpFetchNextByte(INT64 a1, BYTE *a2){
  BYTE *v2; 
  v2 = *(BYTE **)(a1 + 16);
  if( v2 == *(BYTE **)(a1 + 8) )
    return 3221225473i64;
  *a2 = *v2;
  ++*(_QWORD *)(a1 + 16);
  return 0i64;
}

Referenced by:

KiOpDecode
KiOpDecodeModRM
KiOpFetchBytes
KiOpLocateDecodeEntry