diff --git a/lua.cpp b/lua.cpp
index 22728b3..f9d5260 100644
--- a/lua.cpp
+++ b/lua.cpp
@@ -26,6 +26,13 @@ extern "C" {
         return 0;
     }
 
+    static int cpp_surfsize(lua_State *L) {
+        uint8_t surface = luaL_checkinteger(L, 1);
+        lua_pushinteger(L, surfw(surface));
+        lua_pushinteger(L, surfh(surface));
+        return 2;
+    }
+
     static int cpp_setdest(lua_State *L) {
         uint8_t surface = luaL_checkinteger(L, 1);
         setdest(surface);
@@ -861,6 +868,7 @@ void push_lua_funcs() {
     lua_pushcfunction(L,cpp_newsurf);   lua_setglobal(L, "newsurf");
     lua_pushcfunction(L,cpp_loadsurf);  lua_setglobal(L, "loadsurf");
     lua_pushcfunction(L,cpp_freesurf);  lua_setglobal(L, "freesurf");
+    lua_pushcfunction(L,cpp_surfsize);  lua_setglobal(L, "surfsize");
     lua_pushcfunction(L,cpp_setdest);   lua_setglobal(L, "setdest");
     lua_pushcfunction(L,cpp_setsource); lua_setglobal(L, "setsource");
     lua_pushcfunction(L,cpp_setmap);    lua_setglobal(L, "setmap");
diff --git a/mini.cpp b/mini.cpp
index 21a427d..f83ca65 100644
--- a/mini.cpp
+++ b/mini.cpp
@@ -221,6 +221,14 @@ void freesurf(uint8_t surface) {
     surfaces[surface].p = NULL;
 }
 
+int surfw(uint8_t surface) {
+    return surfaces[surface].w;
+}
+
+int surfh(uint8_t surface) {
+    return surfaces[surface].h;
+}
+
 void recalculate_clip()
 {
     ds::clip[0] = ds::clp[0]; ds::clip[1] = ds::clp[1]; ds::clip[2] = ds::clp[2]-ds::clp[0]-1; ds::clip[3] = ds::clp[3]-ds::clp[1]-1;
diff --git a/mini.h b/mini.h
index 21aafc6..d948802 100644
--- a/mini.h
+++ b/mini.h
@@ -120,6 +120,9 @@ int scrh();
 uint8_t newsurf(int w, int h);
 uint8_t loadsurf(const char* filename);
 void freesurf(uint8_t surface);
+int surfw(uint8_t surface);
+int surfh(uint8_t surface);
+
 void setdest(uint8_t surface);
 void setsource(uint8_t surface);
 void setmap(uint8_t surface);
diff --git a/version.h b/version.h
index 8a2fcea..54ea118 100644
--- a/version.h
+++ b/version.h
@@ -1,3 +1,3 @@
 #pragma once
 
-#define MINI_VERSION "0.9.98a"
+#define MINI_VERSION "0.9.98b"