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-rw-r--r--src/mame/includes/psikyo4.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mame/includes/psikyo4.h b/src/mame/includes/psikyo4.h
index 67954dc2ecf..a9540ac5946 100644
--- a/src/mame/includes/psikyo4.h
+++ b/src/mame/includes/psikyo4.h
@@ -29,12 +29,14 @@ public:
m_palette(*this, {"lpalette", "rpalette"}),
m_lscreen(*this, "lscreen"),
m_rscreen(*this, "rscreen"),
+ m_system(*this, "SYSTEM"),
m_keys(*this, "KEY.%u", 0)
{ }
void ps4big(machine_config &config);
void ps4small(machine_config &config);
+ DECLARE_CUSTOM_INPUT_MEMBER(system_r);
DECLARE_CUSTOM_INPUT_MEMBER(mahjong_ctrl_r);
private:
@@ -61,6 +63,7 @@ private:
required_device_array<palette_device, 2> m_palette;
required_device<screen_device> m_lscreen;
required_device<screen_device> m_rscreen;
+ optional_ioport m_system;
optional_ioport_array<8> m_keys;
DECLARE_WRITE32_MEMBER(paletteram_w);