Make not working

kernel.cpp

@@ -0,0 +1,24 @@
+int kernel_main(void) {
+    const char* str = "Your mother gay lol";
+    char* videoMemoryPtr = (char*)0xb8000; // Video memory start
+
+    unsigned int i = 0;
+    unsigned int j = 0;
+
+    while (j < 80 * 25 * 2) {
+        videoMemoryPtr[j] = ' ';
+        videoMemoryPtr[j+1] = 0x07;
+        j += 2;
+    }
+
+    j = 0;
+
+    while(str[j] != '\0') {
+        videoMemoryPtr[i] = str[j];
+        videoMemoryPtr[i+1] = 0x07;
+        j++;
+        i += 2;
+    }
+
+    return 1;
+}