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Diffstat (limited to 'src/mame/drivers/getaway.cpp')
-rw-r--r--src/mame/drivers/getaway.cpp18
1 files changed, 13 insertions, 5 deletions
diff --git a/src/mame/drivers/getaway.cpp b/src/mame/drivers/getaway.cpp
index cf12aecbaaf..14887e0255b 100644
--- a/src/mame/drivers/getaway.cpp
+++ b/src/mame/drivers/getaway.cpp
@@ -47,18 +47,22 @@ namespace {
class getaway_state : public driver_device
{
public:
- getaway_state(const machine_config &mconfig, device_type type, const char *tag) :
- driver_device(mconfig, type, tag)
+ getaway_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_gfxrom(*this, "gfx")
, m_screen(*this, "screen")
, m_inputs(*this, "IN.%u", 0)
, m_dsw(*this, "DSW.%u", 0)
+ , m_wheel(*this, "WHEEL")
{ }
// machine configs
void getaway(machine_config &config);
+ // input functions
+ ioport_value read_wheel() { return (m_wheel->read() - 0x08) & 0xff; }
+
protected:
virtual void machine_start() override;
@@ -69,6 +73,7 @@ private:
required_device<screen_device> m_screen;
required_ioport_array<3> m_inputs;
required_ioport_array<2> m_dsw;
+ required_ioport m_wheel;
void main_map(address_map &map);
void io_map(address_map &map);
@@ -336,9 +341,12 @@ static INPUT_PORTS_START( getaway )
PORT_BIT( 0xff, 0x00, IPT_PEDAL ) PORT_MINMAX(0x00,0x1f) PORT_SENSITIVITY(10) PORT_KEYDELTA(15)
PORT_START("IN.2")
- // steering wheel, 0x00 is neutral, range seems to be 0xe0-0x1f where bit 7 on goes to left dir.
- // TODO: better input type/defaults
- PORT_BIT( 0xff, 0, IPT_AD_STICK_X ) PORT_MINMAX(0x80, 0x7f) PORT_SENSITIVITY(5) PORT_KEYDELTA(5) // PORT_CENTERDELTA(0)
+ // steering wheel, signed byte, absolute values larger than 8 ignored
+ PORT_BIT( 0xff, 0x00, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(getaway_state, read_wheel)
+
+ PORT_START("WHEEL")
+ // TODO: check sensitivity and key delta
+ PORT_BIT( 0xff, 0x08, IPT_AD_STICK_X ) PORT_MINMAX(0x00, 0x10) PORT_SENSITIVITY(5) PORT_KEYDELTA(25) // PORT_CENTERDELTA(0)
// dips are two banks, a regular 8 banks one
// and a tiny 4. They are labeled, hard to read from the provided pic :=(