add support for all DC versions

src/ReceiveCommands.cc

@@ -306,7 +306,7 @@ void on_disconnect(shared_ptr<Client> c) {
 
 static void set_console_client_flags(shared_ptr<Client> c, uint32_t sub_version) {
   if (c->channel.crypt_in->type() == PSOEncryption::Type::V2) {
-    if (sub_version < 0x28) {
+    if (sub_version <= 0x28) {
       c->channel.version = GameVersion::DC;
       c->log.info("Game version changed to DC");
     } else if (c->version() == GameVersion::GC) {

src/Version.cc

@@ -40,20 +40,21 @@ uint32_t flags_for_version(GameVersion version, int64_t sub_version) {
       }
       break;
 
-    // TODO: Which other sub_versions of DC v1 and v2 exist?
-    case 0x20: // DCNTE
+    case 0x20: // DCNTE, possibly also DCv1 JP
     case 0x21: // DCv1 US
       // In the case of DCNTE, the IS_DC_TRIAL_EDITION flag is already set when
       // we get here, so the remaining flags are the same as DCv1
       return Client::Flag::IS_DC_V1 |
           Client::Flag::NO_D6 |
           Client::Flag::NO_SEND_FUNCTION_CALL;
-    case 0x23: // DCv1 EU?
+    case 0x23: // DCv1 EU
       return Client::Flag::IS_DC_V1 |
           Client::Flag::NO_D6 |
           Client::Flag::NO_SEND_FUNCTION_CALL;
 
+    case 0x25: // DCv2 JP
     case 0x26: // DCv2 US
+    case 0x28: // DCv2 EU
       return Client::Flag::NO_D6 |
           Client::Flag::SEND_FUNCTION_CALL_NO_CACHE_PATCH;