diff options
Diffstat (limited to 'src/devices/bus/isa/ultra12f.cpp')
-rw-r--r-- | src/devices/bus/isa/ultra12f.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/devices/bus/isa/ultra12f.cpp b/src/devices/bus/isa/ultra12f.cpp new file mode 100644 index 00000000000..f2f93507548 --- /dev/null +++ b/src/devices/bus/isa/ultra12f.cpp @@ -0,0 +1,64 @@ +// license:BSD-3-Clause +// copyright-holders:AJR +/*************************************************************************** + + UltraStor Ultra 12F ESDI Caching Disk Controller + +***************************************************************************/ + +#include "emu.h" +#include "ultra12f.h" + +DEFINE_DEVICE_TYPE(ULTRA12F, ultra12f_device, "ultra12f", "Ultra 12F ESDI Caching Disk Controller") + +ultra12f_device::ultra12f_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) + : device_t(mconfig, ULTRA12F, tag, owner, clock) + , device_isa16_card_interface(mconfig, *this) + , m_hpc(*this, "hpc") + , m_bios(*this, "bios") +{ +} + +void ultra12f_device::device_start() +{ + // Firmware EPROM has a couple of lines scrambled + u8 *firmware = memregion("firmware")->base(); + for (offs_t b = 0; b < 0x8000; b += 0x100) + { + for (offs_t x = 0; x < 0x10; x++) + { + std::swap(firmware[b | x | 0x10], firmware[b | x | 0x80]); + std::swap(firmware[b | x | 0x30], firmware[b | x | 0xa0]); + std::swap(firmware[b | x | 0x50], firmware[b | x | 0xc0]); + std::swap(firmware[b | x | 0x70], firmware[b | x | 0xe0]); + } + } +} + +void ultra12f_device::hpc_map(address_map &map) +{ + map(0x8000, 0xffff).rom().region("firmware", 0); +} + +void ultra12f_device::device_add_mconfig(machine_config &config) +{ + HPC46003(config, m_hpc, 24_MHz_XTAL); // apparently a HPC46003V30 custom-labeled as "USC010-1-30" + m_hpc->set_addrmap(AS_PROGRAM, &ultra12f_device::hpc_map); +} + +ROM_START(ultra12f) + ROM_REGION(0x4000, "bios", 0) + ROM_SYSTEM_BIOS(0, "v202", "UBIOS 2.02") // "Date : 04/05/90 Version 2.02" + ROMX_LOAD("38001-009.bin", 0x0000, 0x4000, CRC(b96c4839) SHA1(4e601c4ff1deae959c0807479d25de6db4e6cf3e), ROM_BIOS(0)) // 27C128, 150ns EPROM + ROM_SYSTEM_BIOS(1, "v300", "UBIOS 3.00") // "Date : 06/18/91 Version 3.00" + ROMX_LOAD("38001-010.bin", 0x0000, 0x4000, CRC(aa80d74e) SHA1(b507e6ead79e836969b8b6f2fa88ca99d6b354ad), ROM_BIOS(1)) // 27C128-12 + + ROM_REGION(0x8000, "firmware", 0) + ROMX_LOAD("28001-009.bin", 0x0000, 0x8000, CRC(0b6c74a1) SHA1(1a9eb5866f2104e94295d0915fe10c4c1745665b), ROM_BIOS(0)) // 27C256, 120ns EPROM + ROMX_LOAD("28001-012.bin", 0x0000, 0x8000, CRC(62fd2f69) SHA1(48d6e65001a262b3e99d373fa59e0672c5ec4284), ROM_BIOS(1)) // 27C256-12 +ROM_END + +const tiny_rom_entry *ultra12f_device::device_rom_region() const +{ + return ROM_NAME(ultra12f); +} |