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Diffstat (limited to 'src/mame/drivers/klax.c')
-rw-r--r--src/mame/drivers/klax.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/drivers/klax.c b/src/mame/drivers/klax.c
index 9381cb561d9..0287f12bfd7 100644
--- a/src/mame/drivers/klax.c
+++ b/src/mame/drivers/klax.c
@@ -41,7 +41,7 @@ static void update_interrupts(running_machine &machine)
static void scanline_update(screen_device &screen, int scanline)
{
/* generate 32V signals */
- if ((scanline & 32) == 0 && !(input_port_read(screen.machine(), "P1") & 0x800))
+ if ((scanline & 32) == 0 && !(screen.machine().root_device().ioport("P1")->read() & 0x800))
atarigen_scanline_int_gen(screen.machine().device("maincpu"));
}
@@ -115,7 +115,7 @@ static INPUT_PORTS_START( klax )
PORT_BIT( 0x00fc, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
PORT_BIT( 0x0600, IP_ACTIVE_LOW, IPT_UNUSED )
- PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_VBLANK )
+ PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_VBLANK("screen")
PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)
PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)