diff -Nru sourceold/src/mame/drivers/sbrkout.c source/src/mame/drivers/sbrkout.c
--- sourceold/src/mame/drivers/sbrkout.c	2007-11-30 07:18:08.000000000 +0100
+++ source/src/mame/drivers/sbrkout.c	2007-12-01 08:31:59.000000000 +0100
@@ -52,7 +52,7 @@
  *
  *************************************/
 
-#define TIME_4V ATTOTIME_IN_SEC(4075000/4)
+#define TIME_4V ((double)(4.075/4) * (1.0 / 1000.0))
 
 static UINT8 *sbrkout_sound;
 
@@ -77,7 +77,7 @@
 
 static MACHINE_RESET( sbrkout )
 {
-	timer_pulse(TIME_4V, NULL, 0, sbrkout_tones_4V);
+	timer_pulse(double_to_attotime(TIME_4V), NULL, 0, sbrkout_tones_4V);
 }