// license:BSD-3-Clause // copyright-holders:Fabio Priuli #ifndef MAME_BUS_ODYSSEY2_VOICE_H #define MAME_BUS_ODYSSEY2_VOICE_H #pragma once #include "slot.h" #include "rom.h" #include "sound/sp0256.h" // ======================> o2_voice_device class o2_voice_device : public o2_rom_device { public: // construction/destruction o2_voice_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // reading and writing virtual DECLARE_READ8_MEMBER(read_rom04) override { if (m_subslot->exists()) return m_subslot->read_rom04(space, offset); else return 0xff; } virtual DECLARE_READ8_MEMBER(read_rom0c) override { if (m_subslot->exists()) return m_subslot->read_rom0c(space, offset); else return 0xff; } virtual void write_bank(int bank) override { if (m_subslot->exists()) m_subslot->write_bank(bank); } virtual DECLARE_WRITE8_MEMBER(io_write) override; virtual DECLARE_READ_LINE_MEMBER(t0_read) override { return m_speech->lrq_r() ? 0 : 1; } protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override { } virtual void device_add_mconfig(machine_config &config) override; virtual const tiny_rom_entry *device_rom_region() const override; private: DECLARE_WRITE_LINE_MEMBER(lrq_callback); required_device m_speech; required_device m_subslot; int m_lrq_state; }; // device type definition DECLARE_DEVICE_TYPE(O2_ROM_VOICE, o2_voice_device) #endif // MAME_BUS_ODYSSEY2_VOICE_H