1 // license: GPL-2.0+ 2 // copyright-holders: Dirk Best 3 /*************************************************************************** 4 5 Blue Alpha Sound Sampler for SAM Coupe 6 7 ***************************************************************************/ 8 9 #ifndef MAME_BUS_SAMCOUPE_EXPANSION_BLUE_SAMPLER_H 10 #define MAME_BUS_SAMCOUPE_EXPANSION_BLUE_SAMPLER_H 11 12 #pragma once 13 14 #include "expansion.h" 15 #include "machine/i8255.h" 16 #include "machine/timer.h" 17 #include "sound/dac.h" 18 19 20 //************************************************************************** 21 // TYPE DEFINITIONS 22 //************************************************************************** 23 24 // ======================> sam_blue_sound_sampler_device 25 26 class sam_blue_sound_sampler_device : public device_t, public device_samcoupe_expansion_interface 27 { 28 public: 29 // construction/destruction 30 sam_blue_sound_sampler_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); 31 32 // from host 33 virtual uint8_t iorq_r(offs_t offset) override; 34 virtual void iorq_w(offs_t offset, uint8_t data) override; 35 36 protected: 37 virtual void device_add_mconfig(machine_config &config) override; 38 virtual void device_start() override; 39 40 private: 41 TIMER_DEVICE_CALLBACK_MEMBER(clock_callback); 42 void ppi_portb_w(uint8_t data); 43 uint8_t ppi_portc_r(); 44 45 required_device<i8255_device> m_ppi; 46 required_device<zn426e_device> m_dac; 47 48 uint8_t m_portc; 49 }; 50 51 // device type definition 52 DECLARE_DEVICE_TYPE(SAM_BLUE_SOUND_SAMPLER, sam_blue_sound_sampler_device) 53 54 #endif // MAME_BUS_SAMCOUPE_EXPANSION_BLUE_SAMPLER_H 55