// license:BSD-3-Clause // copyright-holders:Wilbert Pol #include "emu.h" #include "korean.h" namespace { class msx_cart_korean_25in1_device : public device_t, public msx_cart_interface { public: msx_cart_korean_25in1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, MSX_CART_KOREAN_25IN1, tag, owner, clock) , msx_cart_interface(mconfig, *this) , m_rombank(*this, "rombank%u", 0U) , m_bank_mask(0) { } virtual std::error_condition initialize_cartridge(std::string &message) override; protected: // device_t implementation virtual void device_start() override { } virtual void device_reset() override ATTR_COLD; private: void bank_w(u8 data); memory_bank_array_creator<4> m_rombank; u8 m_bank_mask; }; void msx_cart_korean_25in1_device::device_reset() { for (int i = 0; i < 4; i++) m_rombank[i]->set_entry(m_bank_mask); } std::error_condition msx_cart_korean_25in1_device::initialize_cartridge(std::string &message) { if (!cart_rom_region()) { message = "msx_cart_korean_25in1_device: Required region 'rom' was not found."; return image_error::INTERNAL; } const u32 size = cart_rom_region()->bytes(); const u16 banks = size / 0x2000; if (size > 256 * 0x2000 || size < 0x8000 || size != banks * 0x2000 || (~(banks - 1) % banks)) { message = "msx_cart_korean_25in1_device: Region 'rom' has unsupported size."; return image_error::INVALIDLENGTH; } m_bank_mask = banks - 1; for (int i = 0; i < 4; i++) m_rombank[i]->configure_entries(0, banks, cart_rom_region()->base(), 0x2000); page(0)->install_rom(0x0000, 0x1fff, cart_rom_region()->base() + (m_bank_mask * 0x2000)); page(0)->install_write_handler(0x0000, 0x0000, emu::rw_delegate(*this, FUNC(msx_cart_korean_25in1_device::bank_w))); page(1)->install_read_bank(0x4000, 0x5fff, m_rombank[0]); page(1)->install_read_bank(0x6000, 0x7fff, m_rombank[1]); page(2)->install_read_bank(0x8000, 0x9fff, m_rombank[2]); page(2)->install_read_bank(0xa000, 0xbfff, m_rombank[3]); return std::error_condition(); } void msx_cart_korean_25in1_device::bank_w(u8 data) { for (int i = 0; i < 4; i++) { m_rombank[i]->set_entry((data - i) & m_bank_mask); } } class msx_cart_korean_80in1_device : public device_t, public msx_cart_interface { public: msx_cart_korean_80in1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, MSX_CART_KOREAN_80IN1, tag, owner, clock) , msx_cart_interface(mconfig, *this) , m_rombank(*this, "rombank%u", 0U) , m_bank_mask(0) { } virtual std::error_condition initialize_cartridge(std::string &message) override; protected: // device_t implementation virtual void device_start() override { } virtual void device_reset() override ATTR_COLD; private: void bank_w(offs_t offset, u8 data); memory_bank_array_creator<4> m_rombank; u8 m_bank_mask; }; void msx_cart_korean_80in1_device::device_reset() { for (int i = 0; i < 4; i++) m_rombank[i]->set_entry(i); } std::error_condition msx_cart_korean_80in1_device::initialize_cartridge(std::string &message) { if (!cart_rom_region()) { message = "msx_cart_korean_80in1_device: Required region 'rom' was not found."; return image_error::INTERNAL; } const u32 size = cart_rom_region()->bytes(); const u16 banks = size / 0x2000; if (size > 256 * 0x2000 || size < 0x8000 || size != banks * 0x2000 || (~(banks - 1) % banks)) { message = "msx_cart_korean_80in1_device: Region 'rom' has unsupported size."; return image_error::INVALIDLENGTH; } m_bank_mask = banks - 1; for (int i = 0; i < 4; i++) m_rombank[i]->configure_entries(0, banks, cart_rom_region()->base(), 0x2000); page(1)->install_read_bank(0x4000, 0x5fff, m_rombank[0]); page(1)->install_write_handler(0x4000, 0x4003, emu::rw_delegate(*this, FUNC(msx_cart_korean_80in1_device::bank_w))); page(1)->install_read_bank(0x6000, 0x7fff, m_rombank[1]); page(2)->install_read_bank(0x8000, 0x9fff, m_rombank[2]); page(2)->install_read_bank(0xa000, 0xbfff, m_rombank[3]); return std::error_condition(); } void msx_cart_korean_80in1_device::bank_w(offs_t offset, u8 data) { m_rombank[offset & 0x03]->set_entry(data & m_bank_mask); } class msx_cart_korean_90in1_device : public device_t, public msx_cart_interface { public: msx_cart_korean_90in1_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : device_t(mconfig, MSX_CART_KOREAN_90IN1, tag, owner, clock) , msx_cart_interface(mconfig, *this) , m_rombank(*this, "rombank%u", 0U) , m_view(*this, "view") , m_bank_mask(0) { } virtual std::error_condition initialize_cartridge(std::string &message) override; protected: // device_t implementation virtual void device_start() override ATTR_COLD; virtual void device_reset() override ATTR_COLD; private: void banking(u8 data); memory_bank_array_creator<3> m_rombank; memory_view m_view; u8 m_bank_mask; }; void msx_cart_korean_90in1_device::device_start() { // Install IO read/write handlers io_space().install_write_handler(0x77, 0x77, emu::rw_delegate(*this, FUNC(msx_cart_korean_90in1_device::banking))); } void msx_cart_korean_90in1_device::device_reset() { m_view.select(0); m_rombank[0]->set_entry(0); m_rombank[1]->set_entry(0); m_rombank[2]->set_entry(0); } std::error_condition msx_cart_korean_90in1_device::initialize_cartridge(std::string &message) { if (!cart_rom_region()) { message = "msx_cart_korean_90in1_device: Required region 'rom' was not found."; return image_error::INTERNAL; } const u32 size = cart_rom_region()->bytes(); const u16 banks = size / 0x4000; if (size > 64 * 0x4000 || size < 0x8000 || size != banks * 0x4000 || (~(banks - 1) % banks)) { message = "msx_cart_korean_90in1_device: Region 'rom' has unsupported size."; return image_error::INVALIDLENGTH; } m_bank_mask = banks - 1; m_rombank[0]->configure_entries(0, banks, cart_rom_region()->base(), 0x4000); m_rombank[1]->configure_entries(0, banks, cart_rom_region()->base(), 0x4000); m_rombank[2]->configure_entries(0, banks, cart_rom_region()->base() + 0x2000, 0x4000); page(1)->install_read_bank(0x4000, 0x7fff, m_rombank[0]); page(2)->install_view(0x8000, 0xbfff, m_view); m_view[0].install_read_bank(0x8000, 0x9fff, m_rombank[1]); m_view[0].install_read_bank(0xa000, 0xbfff, m_rombank[2]); m_view[1].install_read_bank(0x8000, 0x9fff, m_rombank[2]); m_view[1].install_read_bank(0xa000, 0xbfff, m_rombank[1]); return std::error_condition(); } void msx_cart_korean_90in1_device::banking(u8 data) { if (BIT(data, 7) && !BIT(data, 6)) data &= 0xfe; m_rombank[0]->set_entry(data & m_bank_mask); m_rombank[1]->set_entry((data + (BIT(data, 7) ? 1 : 0)) & m_bank_mask); m_rombank[2]->set_entry((data + (BIT(data, 7) ? 1 : 0)) & m_bank_mask); m_view.select((BIT(data, 7) && BIT(data, 6)) ? 1 : 0); } class msx_cart_korean_126in1_device : public device_t, public msx_cart_interface { public: msx_cart_korean_126in1_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : device_t(mconfig, MSX_CART_KOREAN_126IN1, tag, owner, clock) , msx_cart_interface(mconfig, *this) , m_rombank(*this, "rombank%u", 0U) , m_bank_mask(0) { } virtual std::error_condition initialize_cartridge(std::string &message) override; protected: // device_t implementation virtual void device_start() override { } virtual void device_reset() override ATTR_COLD; private: void bank_w(offs_t offset, u8 data); memory_bank_array_creator<2> m_rombank; u8 m_bank_mask; }; void msx_cart_korean_126in1_device::device_reset() { m_rombank[0]->set_entry(0); m_rombank[1]->set_entry(1); } std::error_condition msx_cart_korean_126in1_device::initialize_cartridge(std::string &message) { if (!cart_rom_region()) { message = "msx_cart_korean_126in1_device: Required region 'rom' was not found."; return image_error::INTERNAL; } const u32 size = cart_rom_region()->bytes(); const u16 banks = size / 0x4000; if (size > 256 * 0x4000 || size < 0x8000 || size != banks * 0x4000 || (~(banks - 1) % banks)) { message = "msx_cart_korean_126in1_device: Region 'rom' has unsupported size."; return image_error::INVALIDLENGTH; } m_bank_mask = banks - 1; m_rombank[0]->configure_entries(0, banks, cart_rom_region()->base(), 0x4000); m_rombank[1]->configure_entries(0, banks, cart_rom_region()->base(), 0x4000); page(1)->install_read_bank(0x4000, 0x7fff, m_rombank[0]); page(1)->install_write_handler(0x4000, 0x4001, emu::rw_delegate(*this, FUNC(msx_cart_korean_126in1_device::bank_w))); page(2)->install_read_bank(0x8000, 0xbfff, m_rombank[1]); return std::error_condition(); } void msx_cart_korean_126in1_device::bank_w(offs_t offset, uint8_t data) { m_rombank[offset & 0x01]->set_entry(data & m_bank_mask); } class msx_cart_korean_hydlide2_device : public device_t, public msx_cart_interface { public: msx_cart_korean_hydlide2_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : device_t(mconfig, MSX_CART_KOREAN_HYDLIDE2, tag, owner, clock) , msx_cart_interface(mconfig, *this) , m_rombank(*this, "rombank") , m_bank_mask(0) { } virtual std::error_condition initialize_cartridge(std::string &message) override; protected: // device_t implementation virtual void device_start() override { } virtual void device_reset() override ATTR_COLD; private: void bank_w(u8 data); memory_bank_creator m_rombank; u8 m_bank_mask; }; void msx_cart_korean_hydlide2_device::device_reset() { m_rombank->set_entry(0); } std::error_condition msx_cart_korean_hydlide2_device::initialize_cartridge(std::string &message) { if (!cart_rom_region()) { message = "msx_cart_korean_hydlide2_device: Required region 'rom' was not found."; return image_error::INTERNAL; } const u32 size = cart_rom_region()->bytes(); const u16 banks = size / 0x4000; if (size > 256 * 0x4000 || size < 0x8000 || size != banks * 0x4000 || (~(banks - 1) % banks)) { message = "msx_cart_korean_hydlide2_device: Region 'rom' has unsupported size."; return image_error::INVALIDLENGTH; } m_bank_mask = banks - 1; m_rombank->configure_entries(0, banks, cart_rom_region()->base(), 0x4000); page(1)->install_rom(0x4000, 0x7fff, cart_rom_region()->base()); page(2)->install_read_bank(0x8000, 0xbfff, m_rombank); page(2)->install_write_handler(0x8000, 0x8000, emu::rw_delegate(*this, FUNC(msx_cart_korean_hydlide2_device::bank_w))); return std::error_condition(); } void msx_cart_korean_hydlide2_device::bank_w(uint8_t data) { m_rombank->set_entry(data & m_bank_mask); } } // anonymous namespace DEFINE_DEVICE_TYPE_PRIVATE(MSX_CART_KOREAN_25IN1, msx_cart_interface, msx_cart_korean_25in1_device, "msx_cart_korean_25in1", "MSX Cartridge - Korean 25-in-1") DEFINE_DEVICE_TYPE_PRIVATE(MSX_CART_KOREAN_80IN1, msx_cart_interface, msx_cart_korean_80in1_device, "msx_cart_korean_80in1", "MSX Cartridge - Korean 80-in-1") DEFINE_DEVICE_TYPE_PRIVATE(MSX_CART_KOREAN_90IN1, msx_cart_interface, msx_cart_korean_90in1_device, "msx_cart_korean_90in1", "MSX Cartridge - Korean 90-in-1") DEFINE_DEVICE_TYPE_PRIVATE(MSX_CART_KOREAN_126IN1, msx_cart_interface, msx_cart_korean_126in1_device, "msx_cart_korean_126in1", "MSX Cartridge - Korean 126-in-1") DEFINE_DEVICE_TYPE_PRIVATE(MSX_CART_KOREAN_HYDLIDE2, msx_cart_interface, msx_cart_korean_hydlide2_device, "msx_cart_korean_hydlide2", "MSX Cartridge - Korean Hydlide 2")