From b3ec0df929bd9bc8dfe2557931281cc89f347c41 Mon Sep 17 00:00:00 2001
From: Brendan Robert <brobert@adobe.com>
Date: Sat, 6 Apr 2024 11:59:29 -0500
Subject: [PATCH] Speed adjusts down for portrait animation

---
 .../src/main/java/jace/LawlessLegends.java    |  1 -
 .../src/main/java/jace/core/Motherboard.java  |  2 +-
 .../src/main/java/jace/core/TimedDevice.java  |  4 +++
 .../main/java/jace/lawless/LawlessHacks.java  | 31 +++++++++++++++++--
 4 files changed, 33 insertions(+), 5 deletions(-)

diff --git a/Platform/Apple/tools/jace/src/main/java/jace/LawlessLegends.java b/Platform/Apple/tools/jace/src/main/java/jace/LawlessLegends.java
index fef8b9f2..7c727d69 100644
--- a/Platform/Apple/tools/jace/src/main/java/jace/LawlessLegends.java
+++ b/Platform/Apple/tools/jace/src/main/java/jace/LawlessLegends.java
@@ -167,7 +167,6 @@ public class LawlessLegends extends Application {
                         resetEmulator();
                         configureEmulatorForGame();
                         bootWatchdog();
-                        // Emulator.getComputer().getCpu().trace=true;
                     } else {
                         startListener.unregister();
                     }
diff --git a/Platform/Apple/tools/jace/src/main/java/jace/core/Motherboard.java b/Platform/Apple/tools/jace/src/main/java/jace/core/Motherboard.java
index 3beb9dd1..4986c15a 100644
--- a/Platform/Apple/tools/jace/src/main/java/jace/core/Motherboard.java
+++ b/Platform/Apple/tools/jace/src/main/java/jace/core/Motherboard.java
@@ -123,5 +123,5 @@ public class Motherboard extends IndependentTimedDevice {
         if (accelorationRequestors.remove(requester) && accelorationRequestors.isEmpty()) {
             disableTempMaxSpeed();
         }
-    }    
+    }
 }
diff --git a/Platform/Apple/tools/jace/src/main/java/jace/core/TimedDevice.java b/Platform/Apple/tools/jace/src/main/java/jace/core/TimedDevice.java
index 901319cd..b9d88389 100644
--- a/Platform/Apple/tools/jace/src/main/java/jace/core/TimedDevice.java
+++ b/Platform/Apple/tools/jace/src/main/java/jace/core/TimedDevice.java
@@ -124,6 +124,10 @@ public abstract class TimedDevice extends Device {
         }
     }
 
+    public final boolean isMaxSpeedEnabled() {
+        return maxspeed;
+    }
+
     public final boolean isMaxSpeed() {
         return forceMaxspeed || maxspeed;
     }
diff --git a/Platform/Apple/tools/jace/src/main/java/jace/lawless/LawlessHacks.java b/Platform/Apple/tools/jace/src/main/java/jace/lawless/LawlessHacks.java
index 1aa02285..646310c5 100644
--- a/Platform/Apple/tools/jace/src/main/java/jace/lawless/LawlessHacks.java
+++ b/Platform/Apple/tools/jace/src/main/java/jace/lawless/LawlessHacks.java
@@ -19,7 +19,10 @@ import java.util.regex.Pattern;
 import jace.Emulator;
 import jace.apple2e.VideoDHGR;
 import jace.cheat.Cheats;
+import jace.core.Computer;
+import jace.core.Motherboard;
 import jace.core.RAMEvent;
+import jace.core.TimedDevice;
 import javafx.util.Duration;
 
 /**
@@ -117,9 +120,11 @@ public class LawlessHacks extends Cheats {
 
     private Map<Integer, Integer> keyReadAddresses = new TreeMap<>();
     long lastKeyStatus = 0;
+    long lastKnownSpeed = -1;
+    boolean isCurrentlyMaxSpeed = false;
     private void adjustAnimationSpeed(RAMEvent e) {
+        int pc = Emulator.withComputer(c->c.getCpu().getProgramCounter(), 0);
         if (DEBUG) {
-            int pc = Emulator.withComputer(c->c.getCpu().getProgramCounter(), 0);
             keyReadAddresses.put(pc, keyReadAddresses.getOrDefault(pc, 0) + 1);
             if ((System.currentTimeMillis() - lastKeyStatus) >= 10000) {
                 lastKeyStatus = System.currentTimeMillis();
@@ -129,8 +134,28 @@ public class LawlessHacks extends Cheats {
                 });
             }
         }
-        // D5FE: Key-in routine used when animating portraits
-    }    
+        Motherboard m = Emulator.withComputer(Computer::getMotherboard, null);
+        long currentSpeed = m.getSpeedInHz();
+        if (pc == 0x0D5FE) {        
+            long slowerSpeed = (long) (TimedDevice.NTSC_1MHZ * 1.5);
+            // We are waiting for a key in portait mode, slow to 1.5x
+            if (currentSpeed > slowerSpeed || m.isMaxSpeedEnabled()) {
+                lastKnownSpeed = currentSpeed;
+                isCurrentlyMaxSpeed = m.isMaxSpeedEnabled();
+                m.setSpeedInHz(slowerSpeed);
+                m.setMaxSpeed(false);
+                m.cancelSpeedRequest(this);
+            }
+        } else {
+            // We're in some other mode, go back the default speed
+            if (currentSpeed < lastKnownSpeed || isCurrentlyMaxSpeed) {
+                m.setSpeedInHz(lastKnownSpeed);
+                m.setMaxSpeed(isCurrentlyMaxSpeed);
+                isCurrentlyMaxSpeed = false;
+                lastKnownSpeed = -1;
+            }
+        }
+    }
 
     public static final String SCORE_NONE = "none";
     public static final String SCORE_COMMON = "common";