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Diffstat (limited to 'src/devices/bus/bbc/1mhzbus/ieee488.cpp')
-rw-r--r--src/devices/bus/bbc/1mhzbus/ieee488.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/bus/bbc/1mhzbus/ieee488.cpp b/src/devices/bus/bbc/1mhzbus/ieee488.cpp
index 15f7f573ec2..383ceef537b 100644
--- a/src/devices/bus/bbc/1mhzbus/ieee488.cpp
+++ b/src/devices/bus/bbc/1mhzbus/ieee488.cpp
@@ -78,7 +78,7 @@ MACHINE_CONFIG_START(bbc_ieee488_device::device_add_mconfig)
MCFG_IEEE488_REN_CALLBACK(WRITELINE(m_tms9914, tms9914_device, ren_w))
MCFG_IEEE488_SLOT_ADD("ieee_dev", 0, cbm_ieee488_devices, nullptr)
- BBC_1MHZBUS_SLOT(config, m_1mhzbus, bbc_1mhzbus_devices, nullptr);
+ BBC_1MHZBUS_SLOT(config, m_1mhzbus, DERIVED_CLOCK(1, 1), bbc_1mhzbus_devices, nullptr);
m_1mhzbus->irq_handler().set(DEVICE_SELF_OWNER, FUNC(bbc_1mhzbus_slot_device::irq_w));
m_1mhzbus->nmi_handler().set(DEVICE_SELF_OWNER, FUNC(bbc_1mhzbus_slot_device::nmi_w));
MACHINE_CONFIG_END