#pragma once #ifndef __MAS3507D_H__ #define __MAS3507D_H__ //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_MAS3507D_ADD(_tag) \ MCFG_DEVICE_ADD(_tag, MAS3507D, 0) #define MCFG_MAS3507D_REPLACE(_tag) \ MCFG_DEVICE_REPLACE(_tag, MAS3507D, 0) //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class mas3507d_device : public device_t, public device_sound_interface { public: // construction/destruction mas3507d_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); int i2c_scl_r(); int i2c_sda_r(); void i2c_scl_w(bool line); void i2c_sda_w(bool line); protected: virtual void device_start(); virtual void device_reset(); virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples); private: enum { IDLE, STARTED, NAK, ACK, ACK2 } i2c_bus_state; enum { UNKNOWN, VALIDATED, WRONG } i2c_bus_address; bool i2c_scli, i2c_sclo, i2c_sdai, i2c_sdao; int i2c_bus_curbit; UINT8 i2c_bus_curval; void i2c_nak(); bool i2c_device_got_address(UINT8 address); void i2c_device_got_byte(UINT8 byte); void i2c_device_got_stop(); enum { UNDEFINED, CONTROL, DATA, BAD } i2c_subdest; enum { CMD_BAD, CMD_RUN, CMD_READ_CTRL, CMD_WRITE_REG, CMD_WRITE_MEM, CMD_READ_REG, CMD_READ_MEM } i2c_command; int i2c_bytecount; UINT32 i2c_io_bank, i2c_io_adr, i2c_io_count, i2c_io_val; void mem_write(int bank, UINT32 adr, UINT32 val); void run_program(UINT32 adr); void reg_write(UINT32 adr, UINT32 val); }; // device type definition extern const device_type MAS3507D; #endif /* __MAS3507D_H__ */