#pragma once #ifndef __MSM5205_H__ #define __MSM5205_H__ #include "devlegcy.h" /* an interface for the MSM5205 and similar chips */ /* prescaler selector defines */ /* MSM5205 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 */ /* MSM6585 default master clock is 640KHz */ #define MSM6585_S160 (4+8) /* prescaler 1/160(4KHz), data 4bit */ #define MSM6585_S40 (5+8) /* prescaler 1/40(16KHz), data 4bit */ #define MSM6585_S80 (6+8) /* prescaler 1/80 (8KHz), data 4bit */ #define MSM6585_S20 (7+8) /* prescaler 1/20(32KHz), data 4bit */ 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); class msm5205_device : public device_t, public device_sound_interface { public: msm5205_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); msm5205_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock); ~msm5205_device() { global_free(m_token); } // access to legacy token void *token() const { assert(m_token != NULL); return m_token; } protected: // device-level overrides virtual void device_config_complete(); virtual void device_start(); virtual void device_reset(); // sound stream update overrides virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples); private: // internal state void *m_token; }; extern const device_type MSM5205; class msm6585_device : public msm5205_device { public: msm6585_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // sound stream update overrides virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples); }; extern const device_type MSM6585; #endif /* __MSM5205_H__ */