diff --git a/src/events.c b/src/events.c
index 2c130df..e52ef85 100644
--- a/src/events.c
+++ b/src/events.c
@@ -6,13 +6,19 @@ extern float displayScale;
 extern uint8_t halt;
 extern uint8_t showDebug;
 extern uint8_t showHelp;
+extern uint8_t displayMmap;
+extern uint8_t documentReload;
 
+extern uint32_t renderMemory[];
+
+extern int openFile();
 extern void resetSystem();
 extern void irq6502();
 extern void nmi6502();
 extern void step6502();
 extern void updateRenderStates();
 extern void scanKeyboard();
+extern void clearScreen(uint32_t[], uint32_t);
 
 static SDL_Scancode currentKey = SDL_SCANCODE_UNKNOWN;
 static SDL_Event event;
@@ -43,14 +49,17 @@ void pollEvents(){
 						break;
 						
 					case SDL_SCANCODE_F5:	/* CPU Reset */
+						if (documentReload) openFile();
 						resetSystem();
 						break;
 						
 					case SDL_SCANCODE_F6:	/* Scale -- */
+						clearScreen(renderMemory, 0x000000FF);
 						if (displayScale > 1) displayScale--;
 					break;
 					
 					case SDL_SCANCODE_F7:	/* Scale ++ */
+						clearScreen(renderMemory, 0x000000FF);
 						displayScale++;
 						break;
 						
@@ -61,7 +70,8 @@ void pollEvents(){
 					case SDL_SCANCODE_F9:	/* CPU Save Snapshot */
 						break;
 						
-					case SDL_SCANCODE_F10:	/* CPU Load recent or given snapshot */
+					case SDL_SCANCODE_F10:	/* Show CPU Memory Map */
+						displayMmap = !displayMmap;
 						break;
 						
 					case SDL_SCANCODE_F11:	/* CPU NMI */