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Diffstat (limited to 'src/mame/drivers/quantum.c')
-rw-r--r--src/mame/drivers/quantum.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mame/drivers/quantum.c b/src/mame/drivers/quantum.c
index 5eb436d63ae..f3709892e8f 100644
--- a/src/mame/drivers/quantum.c
+++ b/src/mame/drivers/quantum.c
@@ -74,19 +74,19 @@ public:
READ16_MEMBER(quantum_state::trackball_r)
{
- return (input_port_read(machine(), "TRACKY") << 4) | input_port_read(machine(), "TRACKX");
+ return (ioport("TRACKY")->read() << 4) | ioport("TRACKX")->read();
}
static READ8_DEVICE_HANDLER( input_1_r )
{
- return (input_port_read(device->machine(), "DSW0") << (7 - (offset - POT0_C))) & 0x80;
+ return (device->machine().root_device().ioport("DSW0")->read() << (7 - (offset - POT0_C))) & 0x80;
}
static READ8_DEVICE_HANDLER( input_2_r )
{
- return (input_port_read(device->machine(), "DSW1") << (7 - (offset - POT0_C))) & 0x80;
+ return (device->machine().root_device().ioport("DSW1")->read() << (7 - (offset - POT0_C))) & 0x80;
}