diff --git a/A2Mac.xcodeproj/project.xcworkspace/xcuserdata/trudnai.xcuserdatad/xcdebugger/Expressions.xcexplist b/A2Mac.xcodeproj/project.xcworkspace/xcuserdata/trudnai.xcuserdatad/xcdebugger/Expressions.xcexplist
index d9c3450..8632c78 100644
--- a/A2Mac.xcodeproj/project.xcworkspace/xcuserdata/trudnai.xcuserdatad/xcdebugger/Expressions.xcexplist
+++ b/A2Mac.xcodeproj/project.xcworkspace/xcuserdata/trudnai.xcuserdatad/xcdebugger/Expressions.xcexplist
@@ -114,6 +114,32 @@
             </PersistentString>
          </PersistentStrings>
       </ContextState>
+      <ContextState
+         contextName = "auxZeropageSelect:mmio.h">
+         <PersistentStrings>
+            <PersistentString
+               value = "m6502">
+            </PersistentString>
+            <PersistentString
+               value = "newMEMcfg.is_80STORE">
+            </PersistentString>
+            <PersistentString
+               value = "Apple2_64K_RAM">
+            </PersistentString>
+            <PersistentString
+               value = "newMEMcfg.ALT_ZP">
+            </PersistentString>
+            <PersistentString
+               value = "currentZeropage">
+            </PersistentString>
+            <PersistentString
+               value = "Apple2_64K_MEM">
+            </PersistentString>
+            <PersistentString
+               value = "Apple2_64K_AUX">
+            </PersistentString>
+         </PersistentStrings>
+      </ContextState>
       <ContextState
          contextName = "addr_abs:mmio.h">
          <PersistentStrings>
diff --git a/A2Mac/ViewController.swift b/A2Mac/ViewController.swift
index 5cb7645..badc776 100644
--- a/A2Mac/ViewController.swift
+++ b/A2Mac/ViewController.swift
@@ -178,6 +178,7 @@ class ViewController: NSViewController  {
         // Animated Splash Screen fade out and (Text) Monitor fade in
         
         hires.isHidden = true
+        lores.isHidden = true
 //        displayField.alphaValue = 0
 //        displayField.isHidden = false
         textDisplayScroller.alphaValue = 0
@@ -236,6 +237,7 @@ class ViewController: NSViewController  {
         // Animated Splash Screen fade out and (Text) Monitor fade in
         
         hires.isHidden = true
+        lores.isHidden = true
         textDisplayScroller.alphaValue = 0
 //        textDisplayScroller.isHidden = false
         splashScreen.alphaValue = 1
diff --git a/src/cpu/6502.c b/src/cpu/6502.c
index b01d1b9..a6c6cef 100644
--- a/src/cpu/6502.c
+++ b/src/cpu/6502.c
@@ -685,6 +685,7 @@ void rom_loadFile( const char * bundlePath, const char * filename ) {
     else if ( flen == 16 * KB ) {
         read_rom( bundlePath, filename, Apple2_16K_ROM, 0);
         memcpy(Apple2_64K_MEM + 0xC000, Apple2_16K_ROM, 16 * KB);
+        memcpy(Apple2_64K_RAM + 0xC000, Apple2_16K_ROM, 0x1000);
     }
     
     else if ( flen == 12 * KB ) {
diff --git a/src/dev/mem/mmio.h b/src/dev/mem/mmio.h
index 1069b78..0b5ba5f 100644
--- a/src/dev/mem/mmio.h
+++ b/src/dev/mem/mmio.h
@@ -378,6 +378,9 @@ void resetMemory() {
     WRLOMEM = Apple2_64K_MEM;       // for Write $0200 - $BFFF (shadow memory)
     WRD0MEM = Apple2_Dummy_RAM;     // for writing $D000 - $DFFF
     WRHIMEM = Apple2_Dummy_RAM;     // for writing $E000 - $FFFF
+    
+    videoMode.text = 1;
+    videoMode.col80 = 0;
 }
 
 
@@ -462,7 +465,7 @@ void auxZeropageSelect( MEMcfg_t newMEMcfg ) {
     // save the content of Shadow Memory
     memcpy( (void*) currentZeropage, shadowZeropage, 0x200);
     
-    if ( newMEMcfg.is_80STORE ) {
+    if ( ! newMEMcfg.is_80STORE ) {
         if ( newMEMcfg.ALT_ZP ) {
             currentZeropage = Apple2_64K_AUX;
         }
@@ -470,6 +473,9 @@ void auxZeropageSelect( MEMcfg_t newMEMcfg ) {
             currentZeropage = Apple2_64K_RAM;
         }
     }
+    else {
+        currentZeropage = Apple2_64K_RAM;
+    }
     
     WRZEROPG = (uint8_t*)shadowZeropage;
     
@@ -484,11 +490,11 @@ void C3MemorySelect( MEMcfg_t newMEMcfg ) {
     
     if ( newMEMcfg.slot_C3_ROM ) {
         // load internal ROM to memory
-        memcpy(Apple2_64K_MEM + 0xC300, Apple2_16K_ROM + 0x300, 0x100);
+        memcpy(Apple2_64K_MEM + 0xC300, Apple2_64K_RAM + 0xC300, 0x100);
     }
     else {
         // load peripheral ROM to memory
-        memcpy(Apple2_64K_MEM + 0xC300, Apple2_64K_RAM + 0xC300, 0x100);
+        memcpy(Apple2_64K_MEM + 0xC300, Apple2_16K_ROM + 0x300, 0x100);
     }
     
     
@@ -504,8 +510,8 @@ void CxMemorySelect( MEMcfg_t newMEMcfg ) {
     }
     else {
         // load peripheral ROM to memory
-//        memcpy(Apple2_64K_MEM + 0xC100, Apple2_64K_RAM + 0xC100, 0xF00);
-        memcpy(Apple2_64K_MEM + 0xC600, Apple2_64K_RAM + 0xC600, 0x100);
+        memcpy(Apple2_64K_MEM + 0xC100, Apple2_64K_RAM + 0xC100, 0xF00);
+//        memcpy(Apple2_64K_MEM + 0xC600, Apple2_64K_RAM + 0xC600, 0x100);
     }
     
     C3MemorySelect( newMEMcfg );