// license:BSD-3-Clause // copyright-holders:Wilbert Pol #include "emu.h" #include "majutsushi.h" #include "sound/dac.h" #include "speaker.h" namespace { class msx_cart_majutsushi_device : public device_t, public msx_cart_interface { public: msx_cart_majutsushi_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : device_t(mconfig, MSX_CART_MAJUTSUSHI, tag, owner, clock) , msx_cart_interface(mconfig, *this) , m_dac(*this, "dac") , m_rombank(*this, "rombank%u", 0U) { } virtual std::error_condition initialize_cartridge(std::string &message) override; protected: // device_t implementation virtual void device_start() override { } virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; private: template void bank_w(u8 data); required_device m_dac; memory_bank_array_creator<3> m_rombank; }; void msx_cart_majutsushi_device::device_add_mconfig(machine_config &config) { DAC_8BIT_R2R(config, m_dac, 0); // unknown DAC if (parent_slot()) m_dac->add_route(ALL_OUTPUTS, soundin(), 0.15); } std::error_condition msx_cart_majutsushi_device::initialize_cartridge(std::string &message) { if (!cart_rom_region()) { message = "msx_cart_majutsushi_device: Required region 'rom' was not found."; return image_error::INTERNAL; } if (cart_rom_region()->bytes() != 0x20000) { message = "msx_cart_majutsushi_device: Region 'rom' has unsupported size."; return image_error::INVALIDLENGTH; } for (int i = 0; i < 3; i++) m_rombank[i]->configure_entries(0, 16, cart_rom_region()->base(), 0x2000); page(0)->install_rom(0x0000, 0x1fff, cart_rom_region()->base()); page(0)->install_read_bank(0x2000, 0x3fff, m_rombank[0]); page(1)->install_rom(0x4000, 0x5fff, cart_rom_region()->base()); page(1)->install_write_handler(0x5000, 0x5000, 0, 0x0fff, 0, emu::rw_delegate(m_dac, FUNC(dac_8bit_r2r_device::write))); page(1)->install_read_bank(0x6000, 0x7fff, m_rombank[0]); page(1)->install_write_handler(0x6000, 0x6000, 0, 0x1fff, 0, emu::rw_delegate(*this, FUNC(msx_cart_majutsushi_device::bank_w<0>))); page(1)->install_write_handler(0x6000, 0x6000, 0, 0x1fff, 0, emu::rw_delegate(*this, FUNC(msx_cart_majutsushi_device::bank_w<0>))); page(1)->install_write_handler(0x6000, 0x6000, 0, 0x1fff, 0, emu::rw_delegate(*this, FUNC(msx_cart_majutsushi_device::bank_w<0>))); page(2)->install_read_bank(0x8000, 0x9fff, m_rombank[1]); page(2)->install_write_handler(0x8000, 0x8000, 0, 0x1fff, 0, emu::rw_delegate(*this, FUNC(msx_cart_majutsushi_device::bank_w<1>))); page(2)->install_write_handler(0x8000, 0x8000, 0, 0x1fff, 0, emu::rw_delegate(*this, FUNC(msx_cart_majutsushi_device::bank_w<1>))); page(2)->install_write_handler(0x8000, 0x8000, 0, 0x1fff, 0, emu::rw_delegate(*this, FUNC(msx_cart_majutsushi_device::bank_w<1>))); page(2)->install_read_bank(0xa000, 0xbfff, m_rombank[2]); page(2)->install_write_handler(0xa000, 0xa000, 0, 0x1fff, 0, emu::rw_delegate(*this, FUNC(msx_cart_majutsushi_device::bank_w<2>))); page(2)->install_write_handler(0xa000, 0xa000, 0, 0x1fff, 0, emu::rw_delegate(*this, FUNC(msx_cart_majutsushi_device::bank_w<2>))); page(2)->install_write_handler(0xa000, 0xa000, 0, 0x1fff, 0, emu::rw_delegate(*this, FUNC(msx_cart_majutsushi_device::bank_w<2>))); page(3)->install_read_bank(0xc000, 0xdfff, m_rombank[1]); page(3)->install_read_bank(0xe000, 0xffff, m_rombank[2]); return std::error_condition(); } template void msx_cart_majutsushi_device::bank_w(u8 data) { m_rombank[Bank]->set_entry(data & 0x0f); } } // anonymous namespace DEFINE_DEVICE_TYPE_PRIVATE(MSX_CART_MAJUTSUSHI, msx_cart_interface, msx_cart_majutsushi_device, "msx_cart_majutsushi", "MSX Cartridge - Majutsushi")