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Diffstat (limited to 'src/devices/bus/msx/cart/ide.cpp')
-rw-r--r-- | src/devices/bus/msx/cart/ide.cpp | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/src/devices/bus/msx/cart/ide.cpp b/src/devices/bus/msx/cart/ide.cpp new file mode 100644 index 00000000000..8aafb248dba --- /dev/null +++ b/src/devices/bus/msx/cart/ide.cpp @@ -0,0 +1,199 @@ +// license:BSD-3-Clause +// copyright-holders:Wilbert Pol +/****************************************************************************** + +Sunrise ATA-IDE and CF ATA-IDE cartridges. + +The difference between these two interface cartridges is in the connectors. The +ATA-IDE cartridge has a connector for an IDE cable. The CF ATA-IDE cartridge +has 2 slots for CF cards. The rest of the hardware and firmware on these +cartridges is the same. + +******************************************************************************/ +#include "emu.h" +#include "ide.h" + +#include "bus/ata/ataintf.h" +#include "bus/ata/hdd.h" +#include "machine/intelfsh.h" + + +namespace +{ + +class msx_cart_sunrise_ataide_device : public device_t, public msx_cart_interface +{ +public: + msx_cart_sunrise_ataide_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) + : device_t(mconfig, MSX_CART_SUNRISE_ATAIDE, tag, owner, clock) + , msx_cart_interface(mconfig, *this) + , m_flash(*this, "flash") + , m_ata(*this, "ata") + , m_view(*this, "view") + , m_activity_led(*this, "activity_led") + , m_control(0) + , m_data(0) + { } + +protected: + virtual void device_start() override ATTR_COLD; + virtual void device_reset() override ATTR_COLD; + virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; + virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD; + +private: + required_device<amd_29f010_device> m_flash; + required_device<ata_interface_device> m_ata; + memory_view m_view; + output_finder<> m_activity_led; + u8 m_control; + u32 m_bank_base; + u16 m_data; +}; + + +void msx_cart_sunrise_ataide_device::device_add_mconfig(machine_config &config) +{ + AMD_29F010(config, m_flash); + + ATA_INTERFACE(config, m_ata).options(ata_devices, "hdd", nullptr, false); + m_ata->dasp_handler().set_output("activity_led"); +} + + +ROM_START(sunrise_ataide) + ROM_REGION(0x20000, "flash", ROMREGION_ERASEFF) + // These are not dumped from a real unit but the result of flashing the firmware. + // Since the full flash contents are written, the contents are expected to be the same. + ROM_DEFAULT_BIOS("v2.50") + ROM_SYSTEM_BIOS(0, "v2.50", "v2.50 - 29.01.2013") + ROMX_LOAD("v2.50.u3", 0, 0x20000, CRC(1944bca9) SHA1(b4bd26c0caee3bdb4e2e2dd1ca6e5ed1e9a7d57e), ROM_BIOS(0)) + + ROM_SYSTEM_BIOS(1, "v2.40", "v2.40 - 23.03.2005") + ROMX_LOAD("v2.40.u3", 0, 0x20000, CRC(c73f525b) SHA1(b43e709d62ce4c88072eec4369b4910e89b3fe7b), ROM_BIOS(1)) + + // Reverse-patched from a patched variant + ROM_SYSTEM_BIOS(2, "v2.21", "v2.21 - 26.03.2003") + ROMX_LOAD("v2.21.u3", 0, 0x20000, BAD_DUMP CRC(fb99f89b) SHA1(a650f51310c2a02c893993e683b54850c278d60b), ROM_BIOS(2)) + + ROM_SYSTEM_BIOS(3, "v2.10", "v2.10 - 14.06.2002") + ROMX_LOAD("v2.10.u3", 0, 0x20000, NO_DUMP, ROM_BIOS(3)) + + // Reverse-patched from a patched variant + ROM_SYSTEM_BIOS(4, "v2.01", "v2.01 - 18.09.2000") + ROMX_LOAD("v2.01.u3", 0, 0x20000, BAD_DUMP CRC(7fd06ee2) SHA1(bced64ee970e0d66be2634914e4aa58530202f7e), ROM_BIOS(4)) + + ROM_SYSTEM_BIOS(5, "v1.99", "v1.99 - 27.02.2000") + ROMX_LOAD("v1.99.u3", 0, 0x20000, NO_DUMP, ROM_BIOS(5)) + + ROM_SYSTEM_BIOS(6, "v1.97", "v1.97 - 20.10.1999") + ROMX_LOAD("v1.97.u3", 0, 0x20000, NO_DUMP, ROM_BIOS(6)) + + ROM_SYSTEM_BIOS(7, "v1.96", "v1.96 - 22.09.1999") + ROMX_LOAD("v1.96.u3", 0, 0x20000, NO_DUMP, ROM_BIOS(7)) + + ROM_REGION(0x1000, "gals", ROMREGION_ERASE00) + ROM_LOAD("gal16v8d.gal1.jed.u1", 0x0000, 1452, CRC(db625e66) SHA1(5e0718066eea14b89d3801e5464b9a3db41baa2e)) + ROM_LOAD("gal16v8d.gal2.jed.u2", 0x0800, 1494, CRC(22e34ff1) SHA1(cbeb5830ee740747aa61ef5b896e2eb6d7acd7ab)) +ROM_END + + +const tiny_rom_entry *msx_cart_sunrise_ataide_device::device_rom_region() const +{ + return ROM_NAME(sunrise_ataide); +} + + +void msx_cart_sunrise_ataide_device::device_start() +{ + m_activity_led.resolve(); + + save_item(NAME(m_control)); + save_item(NAME(m_bank_base)); + save_item(NAME(m_data)); + + page(1)->install_read_handler(0x4000, 0x7fff, read8sm_delegate(*this, [this] (offs_t offset) + { + u8 data = m_flash->read(m_bank_base | offset); + return bitswap(data, 0, 1, 2, 3, 4, 5, 6, 7); + }, "read") + ); + page(1)->install_write_handler(0x4104, 0x4104, write8smo_delegate(*this, [this] (u8 data) + { + m_control = data; + m_bank_base = bitswap(m_control, 5, 6, 7) * 0x4000; + m_view.select(BIT(m_control, 0)); + }, "control") + ); + page(1)->install_view(0x7c00, 0x7e0f, m_view); + m_view[0]; + m_view[1].install_read_handler(0x7c00, 0x7dff, read8sm_delegate(*this, [this] (offs_t offset) + { + if (!machine().side_effects_disabled()) + { + if (!BIT(offset, 0)) + { + m_ata->write_dmack(1); + m_data = m_ata->read_dma(); + m_ata->write_dmack(0); + return m_data & 0xff; + } + } + return m_data >> 8; + }, "read_ide_data") + ); + m_view[1].install_write_handler(0x7c00, 0x7dff, write8sm_delegate(*this, [this] (offs_t offset, u8 data) + { + if (BIT(offset, 0)) + { + m_data = (m_data & 0x00ff) | (data << 8); + m_ata->write_dmack(1); + m_ata->write_dma(m_data); + m_ata->write_dmack(0); + } + else + { + m_data = (m_data & 0xff00) | data; + } + }, "write_ide_data") + ); + m_view[1].install_write_handler(0x7e00, 0x7e0f, write8sm_delegate(*this, [this] (offs_t offset, u8 data) + { + if (BIT(offset, 3)) + m_ata->cs1_w(offset & 0x07, data, 0xff); + else + m_ata->cs0_w(offset & 0x07, data, 0xff); + }, "write_ide") + ); + m_view[1].install_read_handler(0x7e00, 0x7e0f, read8sm_delegate(*this, [this] (offs_t offset) + { + if (BIT(offset, 3)) + return m_ata->cs1_r(offset & 0x07, 0xff); + else + return m_ata->cs0_r(offset & 0x07, 0xff); + }, "read_ide") + ); + + page(2)->install_write_handler(0x8000, 0xbfff, write8sm_delegate(*this, [this] (offs_t offset, u8 data) + { + data = bitswap(data, 0, 1, 2, 3, 4, 5, 6, 7); + m_flash->write(m_bank_base | (offset & 0x3fff), data); + }, "write_flash") + ); +} + + +void msx_cart_sunrise_ataide_device::device_reset() +{ + m_control = 0; + m_bank_base = 0; + m_data = 0; + m_view.select(0); + m_activity_led = 0; + // Pulling high breaks status reads + //m_ata->write_dmack(1); +} + +} // anonymous namespace + +DEFINE_DEVICE_TYPE_PRIVATE(MSX_CART_SUNRISE_ATAIDE, msx_cart_interface, msx_cart_sunrise_ataide_device, "msx_cart_sunrise_ataide", "Sunrise ATA-IDE/CF ATA-IDE Interface") |