diff --git a/tsvm_core/src/net/torvald/tsvm/peripheral/TexticsAdapter.kt b/tsvm_core/src/net/torvald/tsvm/peripheral/TexticsAdapter.kt
index 7f7e485..d3e0e0c 100644
--- a/tsvm_core/src/net/torvald/tsvm/peripheral/TexticsAdapter.kt
+++ b/tsvm_core/src/net/torvald/tsvm/peripheral/TexticsAdapter.kt
@@ -11,7 +11,7 @@ import kotlin.math.absoluteValue
 
 open class TexticsAdapterBase(assetsRoot: String, vm: VM, config: AdapterConfig) : GraphicsAdapter(assetsRoot, vm, config) {
 
-    private val crtGradTex = Texture("$assetsRoot/crt_grad.png")
+//    private val crtGradTex = Texture("$assetsRoot/crt_grad.png")
 
     companion object {
         val crtColor = hashMapOf(
@@ -58,16 +58,15 @@ open class TexticsAdapterBase(assetsRoot: String, vm: VM, config: AdapterConfig)
             batch.color = phosphorCol
             batch.draw(faketex, xoff, HEIGHT + yoff, WIDTH.toFloat(), -HEIGHT.toFloat())
 
-            // CRT glass
-            batch.setBlendFunction(GL20.GL_ONE, GL20.GL_ONE_MINUS_SRC_COLOR)
-            batch.color = Color.WHITE
-            batch.draw(crtGradTex, xoff, HEIGHT + ALIGN + yoff, WIDTH.toFloat(), -TEX_HEIGHT)
-            //batch.draw(crtGradTex, xoff, HEIGHT + yoff, WIDTH.toFloat(), -HEIGHT.toFloat())
+            // CRT glass is overlaid by the caller (e.g. VMGUI)
+//            batch.setBlendFunction(GL20.GL_ONE, GL20.GL_ONE_MINUS_SRC_COLOR)
+//            batch.color = Color.WHITE
+//            batch.draw(crtGradTex, xoff, HEIGHT + ALIGN + yoff, WIDTH.toFloat(), -TEX_HEIGHT)
         }
     }
 
     override fun dispose() {
-        crtGradTex.dispose()
+//        crtGradTex.dispose()
         super.dispose()
     }
 }
diff --git a/tsvm_executable/src/net/torvald/tsvm/AppLoader.java b/tsvm_executable/src/net/torvald/tsvm/AppLoader.java
index aaede09..88b6b91 100644
--- a/tsvm_executable/src/net/torvald/tsvm/AppLoader.java
+++ b/tsvm_executable/src/net/torvald/tsvm/AppLoader.java
@@ -12,8 +12,8 @@ public class AppLoader {
     public static String appTitle = "tsvm";
     public static Lwjgl3ApplicationConfiguration appConfig;
 
-    public static int WIDTH = 640;//1080;//640;
-    public static int HEIGHT = 480;//436;//480;
+    public static int WIDTH = 800;//1080;//640;
+    public static int HEIGHT = 540;//436;//480;
 
     public static void main(String[] args) {
         ShaderProgram.pedantic = false;
@@ -40,8 +40,8 @@ public class AppLoader {
 //        VM vm = new VM(64 << 10, new TheRealWorld(), new VMProgramRom[]{OEMBios.INSTANCE, BasicRom.INSTANCE});
 //        VM vm = new VM("./assets", 64 << 10, new TheRealWorld(), new VMProgramRom[]{TandemBios.INSTANCE, BasicRom.INSTANCE}, 2, watchdogs);
 //        VM vm = new VM(128 << 10, new TheRealWorld(), new VMProgramRom[]{BasicBios.INSTANCE, WPBios.INSTANCE});
-        VM vm = new VM("./assets", 8192 << 10, new TheRealWorld(), new VMProgramRom[]{TsvmBios.INSTANCE}, 8, watchdogs);
-//        VM vm = new VM("./assets", 8192 << 10, new TheRealWorld(), new VMProgramRom[]{OpenBios.INSTANCE}, 8, watchdogs);
+//        VM vm = new VM("./assets", 8192 << 10, new TheRealWorld(), new VMProgramRom[]{TsvmBios.INSTANCE}, 8, watchdogs);
+        VM vm = new VM("./assets", 8192 << 10, new TheRealWorld(), new VMProgramRom[]{OpenBios.INSTANCE}, 8, watchdogs);
 //        VM pipvm = new VM("./assets", 4096, new TheRealWorld(), new VMProgramRom[]{PipBios.INSTANCE, PipROM.INSTANCE}, 8, watchdogs);
 
         vm.getIO().getBlockTransferPorts()[0].attachDevice(new TestDiskDrive(vm, 0, diskPath));
@@ -64,6 +64,6 @@ public class AppLoader {
                 pipvm, 160, 140
         ))));*/
 
-        new Lwjgl3Application(new VMGUI(reference, WIDTH, HEIGHT), appConfig);
+        new Lwjgl3Application(new VMGUI(term, WIDTH, HEIGHT), appConfig);
     }
 }
diff --git a/tsvm_executable/src/net/torvald/tsvm/VMGUI.kt b/tsvm_executable/src/net/torvald/tsvm/VMGUI.kt
index 88fa6dd..48b14bc 100644
--- a/tsvm_executable/src/net/torvald/tsvm/VMGUI.kt
+++ b/tsvm_executable/src/net/torvald/tsvm/VMGUI.kt
@@ -4,6 +4,7 @@ import com.badlogic.gdx.ApplicationAdapter
 import com.badlogic.gdx.Gdx
 import com.badlogic.gdx.graphics.*
 import com.badlogic.gdx.graphics.g2d.SpriteBatch
+import com.badlogic.gdx.graphics.g2d.TextureRegion
 import kotlin.coroutines.*
 import net.torvald.terrarum.DefaultGL32Shaders
 import net.torvald.terrarum.modulecomputers.tsvmperipheral.WorldRadar
@@ -49,6 +50,8 @@ class VMGUI(val loaderInfo: EmulInstance, val viewportWidth: Int, val viewportHe
 
     val usememvwr = false
 
+    private lateinit var crtGradTex: TextureRegion
+
     override fun create() {
         super.create()
 
@@ -66,6 +69,9 @@ class VMGUI(val loaderInfo: EmulInstance, val viewportWidth: Int, val viewportHe
         camera.update()
         batch.projectionMatrix = camera.combined
 
+        crtGradTex = TextureRegion(Texture("${vm.assetsDir}/crt_grad.png")).also {
+            it.flip(false, true)
+        }
 
         init()
     }
@@ -184,6 +190,13 @@ class VMGUI(val loaderInfo: EmulInstance, val viewportWidth: Int, val viewportHe
         Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT)
         gpu?.render(delta, batch, (viewportWidth - loaderInfo.drawWidth).div(2).toFloat(), (viewportHeight - loaderInfo.drawHeight).div(2).toFloat())
 
+        // draw CRT glass overlay
+        batch.inUse {
+            batch.setBlendFunction(GL20.GL_ONE, GL20.GL_ONE_MINUS_SRC_COLOR)
+            batch.color = Color.WHITE
+            batch.draw(crtGradTex, 0f, 0f, viewportWidth.toFloat(), viewportHeight.toFloat())
+        }
+
         vm.findPeribyType("oled")?.let {
             val disp = it.peripheral as ExtDisp
 
@@ -221,6 +234,7 @@ class VMGUI(val loaderInfo: EmulInstance, val viewportWidth: Int, val viewportHe
         batch.dispose()
         fullscreenQuad.dispose()
         coroutineJob.interrupt()
+        crtGradTex.texture.dispose()
         vm.dispose()
     }