From afb7e9d117b79d593c6455d04d3745ac92aa1626 Mon Sep 17 00:00:00 2001
From: Brendan Robert <brendan.robert@gmail.com>
Date: Sat, 18 Jul 2015 19:04:55 -0500
Subject: [PATCH] Only apply speed boost on floppy controller if a disk image
 is present.  This prevents over-use of CPU when starting emulator with no
 disk in the drive.

---
 src/main/java/jace/hardware/CardDiskII.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/jace/hardware/CardDiskII.java b/src/main/java/jace/hardware/CardDiskII.java
index dc919da..d023fb8 100644
--- a/src/main/java/jace/hardware/CardDiskII.java
+++ b/src/main/java/jace/hardware/CardDiskII.java
@@ -209,7 +209,7 @@ public class CardDiskII extends Card implements Reconfigurable, MediaConsumerPar
     }
 
     private void tweakTiming() {
-        if (drive1.isOn() || drive2.isOn()) {
+        if ((drive1.isOn() && drive1.disk != null) || (drive2.isOn() && drive2.disk != null)) {
             if (USE_MAX_SPEED) {
                 computer.getMotherboard().requestSpeed(this);
             }