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-rw-r--r--src/mame/includes/zaxxon.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mame/includes/zaxxon.h b/src/mame/includes/zaxxon.h
index 23ae710ad0f..874fb9b0eab 100644
--- a/src/mame/includes/zaxxon.h
+++ b/src/mame/includes/zaxxon.h
@@ -7,6 +7,7 @@
***************************************************************************/
#include "machine/74259.h"
+#include "machine/i8255.h"
#include "sound/samples.h"
#include "emupal.h"
@@ -17,6 +18,7 @@ public:
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_mainlatch(*this, "mainlatch%u", 1),
+ m_ppi(*this, "ppi8255"),
m_samples(*this, "samples"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette"),
@@ -48,6 +50,7 @@ public:
private:
required_device<cpu_device> m_maincpu;
required_device_array<ls259_device, 2> m_mainlatch;
+ optional_device<i8255_device> m_ppi;
optional_device<samples_device> m_samples;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;