// license:BSD-3-Clause // copyright-holders:AJR /******************************************************************************* Skeleton device for Iomega Zip 100MB IDE drive. Main IC is a 100-pin QFP system-on-a-chip bearing the manufacturer logo. The SoC seems to be named "Rucify", which appears both on its silkscreened label and in its firmware EPROM. *******************************************************************************/ #include "emu.h" #include "zip100.h" #include "cpu/mcs51/mcs51.h" DEFINE_DEVICE_TYPE(ZIP100_IDE, zip100_ide_device, "zip100_ide", "Iomega Zip 100MB IDE Drive") zip100_ide_device::zip100_ide_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : device_t(mconfig, ZIP100_IDE, tag, owner, clock) , device_ata_interface(mconfig, *this) { } void zip100_ide_device::device_start() { } u16 zip100_ide_device::read_dma() { return 0; } u16 zip100_ide_device::read_cs0(offs_t offset, u16 mem_mask) { return 0; } u16 zip100_ide_device::read_cs1(offs_t offset, u16 mem_mask) { return 0; } void zip100_ide_device::write_dma(u16 data) { } void zip100_ide_device::write_cs0(offs_t offset, u16 data, u16 mem_mask) { } void zip100_ide_device::write_cs1(offs_t offset, u16 data, u16 mem_mask) { } void zip100_ide_device::write_dmack(int state) { } void zip100_ide_device::write_csel(int state) { } void zip100_ide_device::write_dasp(int state) { } void zip100_ide_device::write_pdiag(int state) { } void zip100_ide_device::mem_map(address_map &map) { map(0x0000, 0xffff).rom().region("eprom", 0); } void zip100_ide_device::ext_map(address_map &map) { // TODO } void zip100_ide_device::device_add_mconfig(machine_config &config) { i80c32_device &mcu(I80C32(config, "mcu", 12'000'000)); // custom SoC; clock unknown mcu.set_addrmap(AS_PROGRAM, &zip100_ide_device::mem_map); mcu.set_addrmap(AS_IO, &zip100_ide_device::ext_map); } ROM_START(zip100_ide) ROM_REGION(0x10000, "eprom", 0) // "IOMEGA ZIP 100 14.A09/04/98" ROM_LOAD("nm27c520m.u1", 0x00000, 0x10000, CRC(67a04459) SHA1(b8df2a733838db5116982a7295484b77b272287c)) // 20-pin address-latched device ROM_END const tiny_rom_entry *zip100_ide_device::device_rom_region() const { return ROM_NAME(zip100_ide); }