From 9f838d11f166e06e23ea1a4ec68df61a859cb0d1 Mon Sep 17 00:00:00 2001
From: Brendan Robert <brendan.robert@gmail.com>
Date: Sun, 20 Dec 2015 22:42:37 -0600
Subject: [PATCH] Allow writes to C100-C8FF go to cards even if reads are going
 to the ROM.

---
 src/main/java/jace/core/Card.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/jace/core/Card.java b/src/main/java/jace/core/Card.java
index 6eb6301..dde4e2e 100644
--- a/src/main/java/jace/core/Card.java
+++ b/src/main/java/jace/core/Card.java
@@ -128,7 +128,8 @@ public abstract class Card extends Device {
 
         firmwareListener = memory.observe(RAMEvent.TYPE.ANY, baseRom, baseRom + 255, (e) -> {
             computer.getMemory().setActiveCard(slot);
-            if (SoftSwitches.CXROM.isOff()) {
+            // Sather 6-4: Writes will still go through even when CXROM inhibits slot ROM
+            if (SoftSwitches.CXROM.isOff() || !e.getType().isRead()) {
                 handleFirmwareAccess(e.getAddress() & 0x0ff, e.getType(), e.getNewValue(), e);
             }
         });