OK EEPROM writes while developing this branch

Arduino/src/main.cpp

@@ -25,7 +25,7 @@
 */
 
 // uncomment the line below if you want to use this sketch that writes to the EEPROM and accept the responsibility stated above!  :-)
-//#define EEPROM_WRITES
+#define EEPROM_WRITES
 
 // Include libraries
 #include <Arduino.h>    // required for PlatformIO IDE (not required if you're using Arduino IDE)
@@ -60,7 +60,8 @@ bool sw7status = 1;   // using pullup, pressing button takes this low
 bool sw8status = 1;       // using pullup, pressing button takes this low
 bool sw9status = 1;       // using pullup, pressing button takes this low
 bool backlightStatus = 0; // Backlight, initialises as OFF
-bool timedBacklight = 0;
+bool timedBacklight = 0;  // is the Buddy performing a timed backlight operation?
+bool expansionPage = 0;   // is the Buddy displaying the expansion page?
 int backlightCounter = 0;
 long freq;
 String mode;
@@ -453,7 +454,19 @@ void drawMainDisplay()
 // Cycle through soft-key pages
 void changePage()
 {
-  currentPage = ++currentPage % 3;  // 2 pages
+  if (sw9status == LOW) {  // if SHIFT key is down, draw the location/time page
+    expansionPage = 1;
+    display.clearDisplay();
+    display.setCursor(10, 11);
+    display.println("Placeholder");
+    display.println("for GPS info");
+  }
+  else {
+    if (expansionPage != 1) {           // if we're not on the expansion page...
+      currentPage = ++currentPage % 3;  // ...increment the current page (3 pages)
+    }
+    expansionPage = 0;                  // set expansionPage to false
+    display.clearDisplay();
     // Label the soft keys
     // may update this when I implement multiple pages of soft-keys...
     if (currentPage == 0)
@@ -551,6 +564,7 @@ void changePage()
       softkeyStatus[4] = page2SoftkeyStatus5();
       softkeyStatus[5] = page2SoftkeyStatus6();
     }
+  }
 }
 
 void displaySoftKeyStatus()