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-rw-r--r--trunk/src/emu/sound/msm5205.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/trunk/src/emu/sound/msm5205.h b/trunk/src/emu/sound/msm5205.h
new file mode 100644
index 00000000000..2a47083b071
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+++ b/trunk/src/emu/sound/msm5205.h
@@ -0,0 +1,45 @@
+#pragma once
+
+#ifndef __MSM5205_H__
+#define __MSM5205_H__
+
+#include "devlegcy.h"
+
+/* an interface for the MSM5205 and similar chips */
+
+/* prescaler selector defines */
+/* default master clock is 384KHz */
+#define MSM5205_S96_3B 0 /* prescaler 1/96(4KHz) , data 3bit */
+#define MSM5205_S48_3B 1 /* prescaler 1/48(8KHz) , data 3bit */
+#define MSM5205_S64_3B 2 /* prescaler 1/64(6KHz) , data 3bit */
+#define MSM5205_SEX_3B 3 /* VCLK slave mode , data 3bit */
+#define MSM5205_S96_4B 4 /* prescaler 1/96(4KHz) , data 4bit */
+#define MSM5205_S48_4B 5 /* prescaler 1/48(8KHz) , data 4bit */
+#define MSM5205_S64_4B 6 /* prescaler 1/64(6KHz) , data 4bit */
+#define MSM5205_SEX_4B 7 /* VCLK slave mode , data 4bit */
+
+typedef struct _msm5205_interface msm5205_interface;
+struct _msm5205_interface
+{
+ void (*vclk_callback)(device_t *); /* VCLK callback */
+ int select; /* prescaler / bit width selector */
+};
+
+/* reset signal should keep for 2cycle of VCLK */
+void msm5205_reset_w (device_t *device, int reset);
+/* adpcmata is latched after vclk_interrupt callback */
+void msm5205_data_w (device_t *device, int data);
+/* VCLK slave mode option */
+/* if VCLK and reset or data is changed at the same time, */
+/* Call msm5205_vclk_w after msm5205_data_w and msm5205_reset_w. */
+void msm5205_vclk_w (device_t *device, int reset);
+/* option , selected pin seletor */
+void msm5205_playmode_w(device_t *device, int _select);
+
+void msm5205_set_volume(device_t *device,int volume);
+
+void msm5205_change_clock_w(device_t *device, INT32 clock);
+
+DECLARE_LEGACY_SOUND_DEVICE(MSM5205, msm5205);
+
+#endif /* __MSM5205_H__ */