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-rw-r--r--src/mame/drivers/vt520.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/drivers/vt520.cpp b/src/mame/drivers/vt520.cpp
index a8650da1df8..3b8016f3ae0 100644
--- a/src/mame/drivers/vt520.cpp
+++ b/src/mame/drivers/vt520.cpp
@@ -79,7 +79,7 @@ uint32_t vt520_state::screen_update_vt520(screen_device &screen, bitmap_ind16 &b
MACHINE_CONFIG_START(vt520_state::vt420)
/* basic machine hardware */
- MCFG_CPU_ADD("maincpu", I80C31, XTAL_43_320MHz / 3) // SCN8031HCFN40 (divider not verified)
+ MCFG_CPU_ADD("maincpu", I80C31, XTAL(43'320'000) / 3) // SCN8031HCFN40 (divider not verified)
MCFG_CPU_PROGRAM_MAP(vt520_mem)
MCFG_CPU_IO_MAP(vt520_io)
@@ -97,7 +97,7 @@ MACHINE_CONFIG_END
MACHINE_CONFIG_START(vt520_state::vt520)
/* basic machine hardware */
- MCFG_CPU_ADD("maincpu", I80C32, XTAL_20MHz) // Philips P80C32IBPN
+ MCFG_CPU_ADD("maincpu", I80C32, XTAL(20'000'000)) // Philips P80C32IBPN
MCFG_CPU_PROGRAM_MAP(vt520_mem)
MCFG_CPU_IO_MAP(vt520_io)