diff --git a/native/dhry2/dhry2.cpp b/native/dhry2/dhry2.cpp
index 4f7590cf..0e2933ca 100644
--- a/native/dhry2/dhry2.cpp
+++ b/native/dhry2/dhry2.cpp
@@ -13,7 +13,7 @@
 #include "dosbox_conf.h"
 
 void client_frame_set_size(int width, int height) {}
-void client_frame_update_lines(uint32_t* lines, uint32_t count, void* rgba) {}
+void client_frame_update_lines(uint32_t* lines, uint32_t count, void* rgba, bool bgra) {}
 void client_sound_init(int freq) {}
 void client_sound_push(const float* samples, int num_samples) {}
 void client_stdout(const char* data, uint32_t amount) {
@@ -70,3 +70,11 @@ void client_error(const char* tag, const char* message) {}
 void client_network_connected(enum NetworkType networkType, const char* address) {}
 void client_network_disconnected(enum NetworkType networkType) {}
 void client_tick() {}
+int server_net_connect(const char* address) {
+    return NETWORK_NA;
+}
+int server_net_send(int networkId, const void *datap, int len) {
+    return -1;
+}
+void server_net_disconnect(int networkId) {
+}
diff --git a/native/dosbox-x b/native/dosbox-x
index 4da462e5..0f3eb6ba 160000
--- a/native/dosbox-x
+++ b/native/dosbox-x
@@ -1 +1 @@
-Subproject commit 4da462e5764ad088ff1c3197baca54fb5cffea00
+Subproject commit 0f3eb6ba8e53064f20218fd81e924d313625849c
diff --git a/native/jsdos/dosbox-x/jsdos-x-main.cpp b/native/jsdos/dosbox-x/jsdos-x-main.cpp
index 0d4d111a..5c35d648 100644
--- a/native/jsdos/dosbox-x/jsdos-x-main.cpp
+++ b/native/jsdos/dosbox-x/jsdos-x-main.cpp
@@ -3040,7 +3040,8 @@ void GFX_EndUpdate(const uint16_t *changedLines) {
         }
         index++;
       }
-      client_frame_update_lines(lines.data(), lines.size() / 3, (uint32_t*) sdl.surface->pixels);
+      client_frame_update_lines(lines.data(), lines.size() / 3, (uint32_t *) sdl.surface->pixels,
+                                vga.mode == M_LIN16 || vga.mode == M_LIN24 || vga.mode == M_LIN32);
     }
 }
 
diff --git a/native/jsdos/dosbox/jsdos-main.cpp b/native/jsdos/dosbox/jsdos-main.cpp
index fa5ecebd..779c809a 100644
--- a/native/jsdos/dosbox/jsdos-main.cpp
+++ b/native/jsdos/dosbox/jsdos-main.cpp
@@ -14,6 +14,7 @@
 #include <protocol.h>
 #include <video.h>
 #include <mouse.h>
+#include <vga.h>
 #include <cstdarg>
 
 #include "timer.h"
@@ -100,7 +101,8 @@ void GFX_EndUpdate(const Bit16u *changedLines) {
             }
             index++;
         }
-        client_frame_update_lines(lines.data(), lines.size() / 3, (uint32_t*) surface);
+        client_frame_update_lines(lines.data(), lines.size() / 3, (uint32_t*) surface,
+                                  vga.mode == M_LIN16 || vga.mode == M_LIN32);
     }
 
     surfaceUpdating = false;
diff --git a/native/sokol/protocol-sokol.cpp b/native/sokol/protocol-sokol.cpp
index 1eca3b56..c6333019 100644
--- a/native/sokol/protocol-sokol.cpp
+++ b/native/sokol/protocol-sokol.cpp
@@ -105,7 +105,7 @@ void client_frame_set_size(int width, int height) {
   frameRgba = new uint32_t[width * height];
 }
 
-void client_frame_update_lines(uint32_t *lines, uint32_t count, void *rgba) {
+void client_frame_update_lines(uint32_t *lines, uint32_t count, void *rgba, bool bgra) {
   std::lock_guard<std::mutex> g(mutex);
 
   if (!frameRgba) {
@@ -113,11 +113,20 @@ void client_frame_update_lines(uint32_t *lines, uint32_t count, void *rgba) {
   }
 
   for (uint32_t i = 0; i < count; ++i) {
-    uint32_t start = lines[i * 3];
-    uint32_t count = lines[i * 3 + 1];
+    uint32_t start = lines[i * 3] * frameWidth;
+    uint32_t count = lines[i * 3 + 1] * sizeof(uint32_t) * frameWidth;
     uint32_t offset = lines[i * 3 + 2];
-    memcpy(&frameRgba[start * frameWidth], (char *)rgba + offset,
-           sizeof(uint32_t) * count * frameWidth);
+    memcpy(&frameRgba[start], (char *)rgba + offset, count);
+    if (bgra) {
+        auto begin = (uint8_t*) &frameRgba[start];
+        auto end = begin + count;
+        while (begin < end) {
+            auto r = begin[0];
+            begin[0] = begin[2];
+            begin[2] = r;
+            begin += sizeof(uint32_t);
+        }
+    }
   }
 
   frameCount++;
@@ -236,8 +245,8 @@ int main(int argc, char *argv[]) {
 int server_net_connect(const char* address) {
     return NETWORK_NA;
 }
-int  server_net_send(int networkId, const void *datap, int len) {
-    return 0;
+int server_net_send(int networkId, const void *datap, int len) {
+    return -1;
 }
 void server_net_disconnect(int networkId) {
 }
diff --git a/package.json b/package.json
index 6167dded..389e8830 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "emulators",
-    "version": "8.1.8",
+    "version": "8.1.9",
     "description": "Emulators (dos) with standartized API",
     "main": "dist/emulators.js",
     "types": "dist/types/emulators.d.ts",
diff --git a/src/build.ts b/src/build.ts
index 20a2cd2d..e24adeb5 100644
--- a/src/build.ts
+++ b/src/build.ts
@@ -5,22 +5,22 @@
 // gulpfile.ts/wasm.ts --> generateBuildInfo
 
 export const Build = {
-    version: "8.1.7 (5afea1bc2cb60b124720255837fe8a68)",
-    buildSeed: 1724405863345,
+    version: "8.1.8 (98fe757e5f9a84c1b21e0849e289c8ba)",
+    buildSeed: 1724939828246,
     "wdosbox-x.wasm": {
-        "size": 6304113,
+        "size": 6304303,
         "gzSize": 0
     },
     "wdosbox-x.js": {
-        "size": 230628,
+        "size": 230427,
         "gzSize": 0
     },
     "wdosbox.wasm": {
-        "size": 1467599,
+        "size": 1467787,
         "gzSize": 0
     },
     "wdosbox.js": {
-        "size": 108371,
+        "size": 108170,
         "gzSize": 0
     },
     "wlibzip.wasm": {
diff --git a/src/dos/dosbox/cpp/worker-protocol.cpp b/src/dos/dosbox/cpp/worker-protocol.cpp
index a4db9031..b1244859 100644
--- a/src/dos/dosbox/cpp/worker-protocol.cpp
+++ b/src/dos/dosbox/cpp/worker-protocol.cpp
@@ -14,6 +14,7 @@ std::string connectToAddress("");
 
 int frameHeight = 0;
 int frameWidth = 0;
+uint8_t *frameRgb = nullptr;
 
 // clang-format off
 EM_JS(void, ws_init_runtime, (const char* sessionId), {
@@ -388,25 +389,13 @@ EM_JS(void, emsc_ws_client_frame_set_size, (int width, int height), {
     Module.sendMessage("ws-frame-set-size", {width : width, height : height});
   });
 
-EM_JS(bool, emsc_start_frame_update, (void* rgba), {
+EM_JS(void, emsc_start_frame_update, (), {
     Module.frame_update_lines = [];
     Module.frame_update_lines_transferable = [];
-    return true;
   });
 
-EM_JS(void, emsc_add_frame_line, (uint32_t start, char* ptr, uint32_t bpp4len), {
-    var bpp3 = new Uint8Array(bpp4len / 4 * 3);
-    var bpp4 = Module.HEAPU8;
-
-    var bpp3Offset = 0;
-    var bpp4Offset = ptr;
-    while (bpp3Offset < bpp3.length) {
-      bpp3[bpp3Offset++] = bpp4[bpp4Offset++];
-      bpp3[bpp3Offset++] = bpp4[bpp4Offset++];
-      bpp3[bpp3Offset++] = bpp4[bpp4Offset++];
-      bpp4Offset++;
-    }
-
+EM_JS(void, emsc_add_frame_line, (uint32_t start, uint8_t* ptr, uint32_t len), {
+    var bpp3 = Module.HEAPU8.slice(ptr, ptr + len);
     Module.frame_update_lines.push({start : start, heapu8 : bpp3});
     Module.frame_update_lines_transferable.push(bpp3.buffer);
   });
@@ -557,23 +546,46 @@ EM_JS(void, emsc_pack_fs_to_bundle, (bool onlyChanges), {
 // clang-format on
 
 void client_frame_set_size(int width, int height) {
+  if (frameRgb) {
+    delete[] frameRgb;
+  }
   frameHeight = height;
   frameWidth = width;
+  frameRgb = new uint8_t[width * height * 3];
   emsc_ws_client_frame_set_size(width, height);
 }
 
-void client_frame_update_lines(uint32_t *lines, uint32_t batchCount, void *rgba) {
-  if (!emsc_start_frame_update(rgba)) {
-      return;
+void client_frame_update_lines(uint32_t *lines, uint32_t batchCount, void *rgba, bool bgra) {
+  if (!frameRgb) {
+    return;
   }
 
+  uint8_t r = 0;
+  uint8_t b = 2;
+  if (bgra) {
+    r = 2;
+    b = 0;
+  }
+
+  emsc_start_frame_update();
   for (uint32_t i = 0; i < batchCount; ++i) {
     uint32_t base = i * 3;
     uint32_t start = lines[base];
     uint32_t count = lines[base + 1];
     uint32_t offset = lines[base + 2];
-    emsc_add_frame_line(start, (char *)rgba + offset,
-                        sizeof(uint32_t) * count * frameWidth);
+
+    uint8_t* bpp3Begin = frameRgb + start * frameWidth * 3;
+    uint8_t* bpp3 = bpp3Begin;
+    uint8_t* bpp4 = (uint8_t*) rgba + offset;
+    uint8_t* bpp4End = bpp4 + sizeof(uint32_t) * count * frameWidth;
+    while (bpp4 < bpp4End) {
+      bpp3[0] = bpp4[r];
+      bpp3[1] = bpp4[1];
+      bpp3[2] = bpp4[b];
+      bpp3 += 3;
+      bpp4 += 4;
+    }
+    emsc_add_frame_line(start, bpp3Begin, 3 * count * frameWidth);
   }
   emsc_end_frame_update();
 }
@@ -824,7 +836,8 @@ EM_ASYNC_JS(int, em_net_connect, (const char* address), {
 
 EM_JS(bool, em_net_send, (int networkId, const void *datap, int len), {
   if (Module.wsNetIds[networkId]) {
-    Module.sendMessage("ws-net-send", { networkId, data: Module.HEAPU8.slice(datap, datap + len) });
+    const data = Module.HEAPU8.slice(datap, datap + len);
+    Module.sendMessage("ws-net-send", { networkId, data  }, [ data.buffer ]);
   }
   return Module.wsNetIds[networkId] === true;
 });
diff --git a/src/protocol/protocol.h b/src/protocol/protocol.h
index 5e1fcc63..a46b2545 100644
--- a/src/protocol/protocol.h
+++ b/src/protocol/protocol.h
@@ -18,7 +18,7 @@ typedef int NetworkId;
 // -- Client (Web Page)
 
 void client_frame_set_size(int width, int height);
-void client_frame_update_lines(uint32_t* lines, uint32_t count, void* rgba);
+void client_frame_update_lines(uint32_t* lines, uint32_t count, void* rgba, bool bgra);
 void client_sound_init(int freq);
 void client_sound_push(const float* samples, int num_samples);
 void client_stdout(const char* data, uint32_t amount);