1 files changed, 14 insertions, 2 deletions
diff --git a/avr/main.c b/avr/main.c
index 5c4cd0c..c6a0f00 100644
--- a/avr/main.c
+++ b/avr/main.c
@@ -28,6 +28,18 @@
 #include "env.h"
 
 /*--------------------------------------------------------------------------*/
+#if DEBUG
+void preset_ram (void) __attribute__ ((naked)) \
+		__attribute__ ((section (".init3")));
+void
+preset_ram (void)
+{
+	for (uint8_t *p = RAMSTART; p <= (uint8_t *) RAMEND; p++)
+		*p = 0xdd;
+
+}
+#endif
+/*--------------------------------------------------------------------------*/
 
 static uint8_t mcusr;
 
@@ -93,7 +105,6 @@ void print_reset_reason(void)
 
 
 /*******************************************************************************/
-/*******************************************************************************/
 
 #define udelay(n)  _delay_us(n)
 
@@ -193,14 +204,15 @@ void main_loop(void)
 
 int main(void)
 {
+
 	setup_avr();
 	z80_setup_bus();
 	
 	serial_setup();
 	sei();
 
-	debug("\n=========================<  (RE)START DEBUG  >=========================\n");
 #if DEBUG
+	debug("\n=========================<  (RE)START DEBUG  >=========================\n");
 	print_reset_reason();
 #endif