1 // license:BSD-3-Clause 2 // copyright-holders:Barry Rodewald 3 /* 4 * The Music Machine - MIDI and sampling expansion 5 * by Ram Electronics 6 * 7 * Contains a 6850 AICA, Ferranti ZN429E8 DAC and ZN449 ADC 8 */ 9 10 #ifndef MAME_BUS_CPC_MUSICMACHINE_H 11 #define MAME_BUS_CPC_MUSICMACHINE_H 12 13 #pragma once 14 15 #include "cpcexp.h" 16 #include "machine/6850acia.h" 17 #include "sound/dac.h" 18 19 class cpc_musicmachine_device : public device_t, 20 public device_cpc_expansion_card_interface 21 { 22 public: 23 // construction/destruction 24 cpc_musicmachine_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); 25 26 void dac_w(uint8_t data); 27 uint8_t acia_r(offs_t offset); 28 void acia_w(offs_t offset, uint8_t data); 29 void irqsel_w(uint8_t data); 30 DECLARE_WRITE_LINE_MEMBER(irq_w); 31 write_acia_clock(u8 data)32 void write_acia_clock(u8 data) { m_acia->write_txc(data); m_acia->write_rxc(data); } 33 34 protected: 35 // device-level overrides 36 virtual void device_start() override; 37 virtual void device_reset() override; 38 39 // optional information overrides 40 virtual void device_add_mconfig(machine_config &config) override; 41 42 private: 43 cpc_expansion_slot_device *m_slot; 44 45 required_device<acia6850_device> m_acia; 46 required_device<dac_byte_interface> m_dac; 47 48 bool m_irq_select; 49 }; 50 51 // device type definition 52 DECLARE_DEVICE_TYPE(CPC_MUSICMACHINE, cpc_musicmachine_device) 53 54 #endif // MAME_BUS_CPC_MUSICMACHINE_H 55