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-rw-r--r--src/mame/includes/lockon.h14
1 files changed, 8 insertions, 6 deletions
diff --git a/src/mame/includes/lockon.h b/src/mame/includes/lockon.h
index 68318c42f92..d12a7e6654e 100644
--- a/src/mame/includes/lockon.h
+++ b/src/mame/includes/lockon.h
@@ -4,6 +4,8 @@
*************************************************************************/
+#include <sound/flt_vol.h>
+
/* Calculated from CRT controller writes */
#define PIXEL_CLOCK (XTAL_21MHz / 3)
#define FRAMEBUFFER_CLOCK XTAL_10MHz
@@ -68,12 +70,12 @@ public:
cpu_device *m_audiocpu;
device_t *m_ground;
device_t *m_object;
- device_t *m_f2203_1l;
- device_t *m_f2203_2l;
- device_t *m_f2203_3l;
- device_t *m_f2203_1r;
- device_t *m_f2203_2r;
- device_t *m_f2203_3r;
+ filter_volume_device *m_f2203_1l;
+ filter_volume_device *m_f2203_2l;
+ filter_volume_device *m_f2203_3l;
+ filter_volume_device *m_f2203_1r;
+ filter_volume_device *m_f2203_2r;
+ filter_volume_device *m_f2203_3r;
DECLARE_READ16_MEMBER(lockon_crtc_r);
DECLARE_WRITE16_MEMBER(lockon_crtc_w);
DECLARE_WRITE16_MEMBER(lockon_char_w);