diff --git a/A2Mac/DebuggerViewController.swift b/A2Mac/DebuggerViewController.swift
index 33ffbb9..6060207 100644
--- a/A2Mac/DebuggerViewController.swift
+++ b/A2Mac/DebuggerViewController.swift
@@ -240,12 +240,12 @@ N V - B D I Z C
     }
 
 
-    let disass_addr_min : UInt16 = 320
+    let disass_addr_min : UInt16 = 0 // 320
     let disass_addr_max : UInt16 = 512
     var disass_addr : UInt16 = 0 /// Address disassembled in the window
     var disass_addr_pc : UInt16 = 0 /// Address to disassemble
     let disass_addr_pre : UInt16 = 20
-    let disass_addr_min_pre : UInt16 = 320 - 20
+    let disass_addr_min_pre : UInt16 = 0 // 320 - 20
     var line_number = 0
     var scroll_line_number = 0
     var highlighted_line_number = 0
diff --git a/src/cpu/6502.c b/src/cpu/6502.c
index 807868c..4b58e16 100644
--- a/src/cpu/6502.c
+++ b/src/cpu/6502.c
@@ -513,6 +513,11 @@ void m6502_Debug(void) {
 
     }
 
+    // play the entire sound buffer for this frame
+    spkr_update();
+    // this will take care of turning off disk motor sound when time is up
+    spkr_update_disk_sfx();
+
 }
 
 
diff --git a/src/dev/mem/mmio.h b/src/dev/mem/mmio.h
index a49658c..32c5dd6 100644
--- a/src/dev/mem/mmio.h
+++ b/src/dev/mem/mmio.h
@@ -87,7 +87,7 @@ extern void kbdUp (void);
 extern uint8_t getIO ( uint16_t ioaddr );
 extern void setIO ( uint16_t ioaddr, uint8_t val );
 
-extern void save_RAM();
+extern void save_RAM(void);
 
 #ifndef DEBUGGER
 extern uint8_t getMEM ( uint16_t ioaddr );