diff options
Diffstat (limited to 'src/mame/drivers/pc.cpp')
-rw-r--r-- | src/mame/drivers/pc.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mame/drivers/pc.cpp b/src/mame/drivers/pc.cpp index 0461f45a095..7c1094c2313 100644 --- a/src/mame/drivers/pc.cpp +++ b/src/mame/drivers/pc.cpp @@ -185,14 +185,14 @@ void pc_state::cfg_single_360K(device_t *device) { dynamic_cast<device_slot_interface &>(*device->subdevice("fdc:0")).set_default_option("525dd"); dynamic_cast<device_slot_interface &>(*device->subdevice("fdc:0")).set_fixed(true); - dynamic_cast<device_slot_interface &>(*device->subdevice("fdc:1")).set_default_option(""); + dynamic_cast<device_slot_interface &>(*device->subdevice("fdc:1")).set_default_option(nullptr); } void pc_state::cfg_single_720K(device_t *device) { dynamic_cast<device_slot_interface &>(*device->subdevice("fdc:0")).set_default_option("35dd"); dynamic_cast<device_slot_interface &>(*device->subdevice("fdc:0")).set_fixed(true); - dynamic_cast<device_slot_interface &>(*device->subdevice("fdc:1")).set_default_option(""); + dynamic_cast<device_slot_interface &>(*device->subdevice("fdc:1")).set_default_option(nullptr); } void pc_state::pccga(machine_config &config) @@ -797,7 +797,7 @@ void pc_state::olytext30(machine_config &config) maincpu.set_irq_acknowledge_callback("mb:pic8259", FUNC(pic8259_device::inta_cb)); subdevice<isa8_slot_device>("isa2")->set_option_machine_config("fdc_xt", cfg_single_720K); - subdevice<isa8_slot_device>("isa3")->set_default_option(""); + subdevice<isa8_slot_device>("isa3")->set_default_option(nullptr); subdevice<isa8_slot_device>("isa5")->set_default_option("hdc"); subdevice<ram_device>(RAM_TAG)->set_default_size("768K"); } |