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Diffstat (limited to 'src/devices/bus/vic20/exp.cpp')
-rw-r--r-- | src/devices/bus/vic20/exp.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/devices/bus/vic20/exp.cpp b/src/devices/bus/vic20/exp.cpp index 535375536be..e70bda544bc 100644 --- a/src/devices/bus/vic20/exp.cpp +++ b/src/devices/bus/vic20/exp.cpp @@ -219,5 +219,6 @@ SLOT_INTERFACE_START( vic20_expansion_cards ) // the following need ROMs from the software list SLOT_INTERFACE_INTERNAL("standard", VIC20_STD) SLOT_INTERFACE_INTERNAL("ieee488", VIC1112) + MCFG_SLOT_OPTION_CLOCK("ieee488", DERIVED_CLOCK(1, 1)) SLOT_INTERFACE_INTERNAL("megacart", VIC20_MEGACART) SLOT_INTERFACE_END |