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Diffstat (limited to 'src/mame/drivers/splus.cpp')
-rw-r--r--src/mame/drivers/splus.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/splus.cpp b/src/mame/drivers/splus.cpp
index b9eb30b3bd4..e0857eb7c2d 100644
--- a/src/mame/drivers/splus.cpp
+++ b/src/mame/drivers/splus.cpp
@@ -140,7 +140,7 @@ static const uint8_t optics[200] = {
0x07, 0x07, 0x00, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x07, 0x07, 0x00, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x00, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07 };
-#define MASTER_CLOCK XTAL_20MHz
+#define MASTER_CLOCK XTAL(20'000'000)
#define CPU_CLOCK ((MASTER_CLOCK)/2) /* divided by 2 - 7474 */
#define SOUND_CLOCK ((MASTER_CLOCK)/12)