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-rw-r--r--src/mame/drivers/gottlieb.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mame/drivers/gottlieb.cpp b/src/mame/drivers/gottlieb.cpp
index 5d68fb43851..e0d4d3b2193 100644
--- a/src/mame/drivers/gottlieb.cpp
+++ b/src/mame/drivers/gottlieb.cpp
@@ -206,9 +206,9 @@ VBlank duration: 1/VSYNC * (16/256) = 1017.6 us
#define LOG_AUDIO_DECODE (0)
-#define SYSTEM_CLOCK XTAL_20MHz
-#define CPU_CLOCK XTAL_15MHz
-#define NTSC_CLOCK XTAL_14_31818MHz
+#define SYSTEM_CLOCK XTAL(20'000'000)
+#define CPU_CLOCK XTAL(15'000'000)
+#define NTSC_CLOCK XTAL(14'318'181)
#define LASERDISC_CLOCK PERIOD_OF_555_ASTABLE(16000, 10000, 0.001e-6)
#define AUDIORAM_SIZE 0x400