// license:BSD-3-Clause // copyright-holders:Fabio Priuli #ifndef MAME_BUS_INTV_ECS_H #define MAME_BUS_INTV_ECS_H #pragma once #include "slot.h" #include "rom.h" #include "sound/ay8910.h" #include "bus/intv_ctrl/ecs_ctrl.h" // ======================> intv_ecs_device class intv_ecs_device : public intv_rom_device { public: // construction/destruction intv_ecs_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // reading and writing // actual ECS accesses // paged ROMs virtual DECLARE_READ16_MEMBER(read_rom20) override; virtual DECLARE_READ16_MEMBER(read_rom70) override; virtual DECLARE_READ16_MEMBER(read_rome0) override; virtual DECLARE_READ16_MEMBER(read_romf0) override; // RAM virtual DECLARE_READ16_MEMBER(read_ram) override { return (int)m_ram[offset & (m_ram.size() - 1)]; } virtual DECLARE_WRITE16_MEMBER(write_ram) override { m_ram[offset & (m_ram.size() - 1)] = data & 0xff; } // AY8914 virtual DECLARE_READ16_MEMBER(read_ay) override; virtual DECLARE_WRITE16_MEMBER(write_ay) override; // passthru accesses virtual DECLARE_READ16_MEMBER(read_rom04) override { return m_subslot->read_rom04(space, offset, mem_mask); } virtual DECLARE_READ16_MEMBER(read_rom40) override { return m_subslot->read_rom40(space, offset, mem_mask); } virtual DECLARE_READ16_MEMBER(read_rom48) override { return m_subslot->read_rom48(space, offset, mem_mask); } virtual DECLARE_READ16_MEMBER(read_rom50) override { return m_subslot->read_rom50(space, offset, mem_mask); } virtual DECLARE_READ16_MEMBER(read_rom60) override { return m_subslot->read_rom60(space, offset, mem_mask); } virtual DECLARE_READ16_MEMBER(read_rom80) override; virtual DECLARE_READ16_MEMBER(read_rom90) override { return m_subslot->read_rom90(space, offset, mem_mask); } virtual DECLARE_READ16_MEMBER(read_roma0) override { return m_subslot->read_roma0(space, offset, mem_mask); } virtual DECLARE_READ16_MEMBER(read_romb0) override { return m_subslot->read_romb0(space, offset, mem_mask); } virtual DECLARE_READ16_MEMBER(read_romc0) override { return m_subslot->read_romc0(space, offset, mem_mask); } virtual DECLARE_READ16_MEMBER(read_romd0) override; // paged ROM banking virtual DECLARE_WRITE16_MEMBER(write_rom20) override; virtual DECLARE_WRITE16_MEMBER(write_rom70) override; virtual DECLARE_WRITE16_MEMBER(write_rome0) override; virtual DECLARE_WRITE16_MEMBER(write_romf0) override; // RAM passthru write virtual DECLARE_WRITE16_MEMBER(write_88) override { if (m_ram88_enabled) m_subslot->write_ram(space, offset, data, mem_mask); } virtual DECLARE_WRITE16_MEMBER(write_d0) override { if (m_ramd0_enabled) m_subslot->write_ram(space, offset, data, mem_mask); } // IntelliVoice passthru virtual DECLARE_READ16_MEMBER(read_speech) override { if (m_voice_enabled) return m_subslot->read_speech(space, offset, mem_mask); else return 0xffff; } virtual DECLARE_WRITE16_MEMBER(write_speech) override { if (m_voice_enabled) m_subslot->write_speech(space, offset, data, mem_mask); } virtual void late_subslot_setup() override; 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: required_device m_snd; required_device m_subslot; int m_bank_base[0x10]; bool m_voice_enabled, m_ramd0_enabled, m_ram88_enabled; }; // device type definition DECLARE_DEVICE_TYPE(INTV_ROM_ECS, intv_ecs_device) #endif // MAME_BUS_INTV_ECS_H