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-rw-r--r--src/mess/includes/zx.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mess/includes/zx.h b/src/mess/includes/zx.h
index 56cc53da180..7d58d0632ba 100644
--- a/src/mess/includes/zx.h
+++ b/src/mess/includes/zx.h
@@ -42,7 +42,8 @@ public:
m_io_row5(*this, "ROW5"),
m_io_row6(*this, "ROW6"),
m_io_row7(*this, "ROW7"),
- m_io_config(*this, "CONFIG") { }
+ m_io_config(*this, "CONFIG"),
+ m_screen(*this, "screen") { }
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
@@ -100,7 +101,8 @@ protected:
required_ioport m_io_row6;
required_ioport m_io_row7;
optional_ioport m_io_config;
-
+ required_device<screen_device> m_screen;
+
void zx_ula_r(int offs, memory_region *region, const UINT8 param);
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
};