/* SCSP (YMF292-F) header */ #pragma once #ifndef __SCSP_H__ #define __SCSP_H__ #include "devlegcy.h" struct scsp_interface { int roffset; /* offset in the region */ devcb_write_line irq_callback; /* irq callback */ devcb_write_line main_irq; }; void scsp_set_ram_base(device_t *device, void *base); // SCSP register access DECLARE_READ16_DEVICE_HANDLER( scsp_r ); DECLARE_WRITE16_DEVICE_HANDLER( scsp_w ); // MIDI I/O access (used for comms on Model 2/3) DECLARE_WRITE16_DEVICE_HANDLER( scsp_midi_in ); DECLARE_READ16_DEVICE_HANDLER( scsp_midi_out_r ); extern UINT32* stv_scu; class scsp_device : public device_t, public device_sound_interface { public: scsp_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); ~scsp_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(); // 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 SCSP; #endif /* __SCSP_H__ */