diff --git a/build.gradle.kts b/build.gradle.kts
index 39cdc08..7b5dfe1 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,7 +1,5 @@
 @file:Suppress("MayBeConstant")
 
-import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
-
 fun DependencyHandler.impl(vararg dep: Any) = dep.forEach { implementation(it) }
 fun DependencyHandler.testImpl(vararg dep: Any) = dep.forEach { testImplementation(it) }
 
@@ -9,7 +7,6 @@ plugins {
     java
     id("org.jetbrains.kotlin.jvm") version "1.3.72"
     application
-    id("com.github.johnrengelman.shadow") version "5.2.0"
     id("org.openjfx.javafxplugin") version "0.0.8"
 }
 
@@ -19,6 +16,8 @@ repositories {
     maven { setUrl("https://plugins.gradle.org/m2") }
 }
 
+defaultTasks(ApplicationPlugin.TASK_RUN_NAME)
+
 object This {
     val artifactId = "chip8"
 }
@@ -28,26 +27,13 @@ dependencies {
     testImpl(kotlin("test"), "org.testng:testng:7.0.0", "org.assertj:assertj-core:3.10.0")
 }
 
-val test by tasks.getting(Test::class) {
-    useTestNG()
-}
-
 application {
     mainClassName = "com.beust.chip8.MainKt"
 }
 
 tasks {
-    named<ShadowJar>("shadowJar") {
-        archiveBaseName.set(This.artifactId)
-        mergeServiceFiles()
-        manifest {
-            attributes(mapOf(
-                "Implementation-Title" to rootProject.name,
-                "Implementation-Version" to rootProject.version,
-                "Implementation-Vendor-Id" to rootProject.group,
-                "Created-By" to "Gradle "+ gradle.gradleVersion,
-                    "Main-Class" to "com.beust.cedlinks.MainKt"))
-        }
+    withType<Test> {
+        useTestNG()
     }
 }
 
diff --git a/src/main/kotlin/com/beust/chip8/Main.kt b/src/main/kotlin/com/beust/chip8/Main.kt
index 517a79b..7283841 100644
--- a/src/main/kotlin/com/beust/chip8/Main.kt
+++ b/src/main/kotlin/com/beust/chip8/Main.kt
@@ -45,7 +45,7 @@ class MyFxApp : Application() {
             // Computer is paused
 
             // Update the pause button label
-            pauseButton?.text = if (newVal)  "Resume" else "Pause"
+            pauseButton?.text = if (newVal)  "_Resume" else "_Pause"
 
             // Display the disassembly
             updateDisassembly(disassembly!!, computer.disassemble())
@@ -187,10 +187,14 @@ class MyFxApp : Application() {
                     exitProcess(0)
                 }
                 KeyCode.P -> {
-                    computer.pause()
+                    if (computer.paused) {
+                        computer.start()
+                    } else {
+                        computer.pause()
+                    }
                 }
                 else -> {
-                    if (computer.paused) computer.start()
+                    if (computer.paused && event.code != KeyCode.ALT) computer.start()
                     else {
                         try {
                             val key = Integer.parseInt(event.code.char, 16)
diff --git a/src/main/resources/main.fxml b/src/main/resources/main.fxml
index f4c3db9..99e45bd 100644
--- a/src/main/resources/main.fxml
+++ b/src/main/resources/main.fxml
@@ -26,7 +26,7 @@
                             </padding>
                             <Button text="Open rom..." alignment="CENTER" id="loadRom">
                             </Button>
-                            <Button text="Pause" id="pause">
+                            <Button text="_Pause" id="pause">
                             </Button>
                             <HBox maxWidth="Infinity" spacing="10">
                                 <Label text="Clock speed"/>