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Add dumps and skeleton device for Ultra 12F ISA ESDI controller

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This commit is contained in:
AJR 2019-03-27 17:55:23 -04:00
parent 1f4c889b54
commit 5cbbd0499f
4 changed files with 106 additions and 0 deletions
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2
scripts/src/bus.lua
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@ -1320,6 +1320,8 @@ if (BUSES["ISA"]~=null) then
MAME_DIR .. "src/devices/bus/isa/bt54x.h",
MAME_DIR .. "src/devices/bus/isa/dcb.cpp",
MAME_DIR .. "src/devices/bus/isa/dcb.h",
MAME_DIR .. "src/devices/bus/isa/ultra12f.cpp",
MAME_DIR .. "src/devices/bus/isa/ultra12f.h",
}
end

2
src/devices/bus/isa/isa_cards.cpp
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@ -41,6 +41,7 @@
#include "cl_sh260.h"
#include "bt54x.h"
#include "dcb.h"
#include "ultra12f.h"
// sound
#include "adlib.h"
@ -187,4 +188,5 @@ void pc_isa16_cards(device_slot_interface &device)
device.option_add("bt542bh", BT542BH);
device.option_add("bt545s", BT545S);
device.option_add("dcb", NOVELL_DCB);
device.option_add("ultra12f", ULTRA12F);
}

64
src/devices/bus/isa/ultra12f.cpp Normal file
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@ -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);
}

38
src/devices/bus/isa/ultra12f.h Normal file
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@ -0,0 +1,38 @@
// license:BSD-3-Clause
// copyright-holders:AJR
/***************************************************************************
UltraStor Ultra 12F ESDI Caching Disk Controller
***************************************************************************/
#ifndef MAME_BUS_ISA_ULTRA12F_H
#define MAME_BUS_ISA_ULTRA12F_H
#pragma once
#include "isa.h"
#include "cpu/hpc/hpc.h"
class ultra12f_device : public device_t, public device_isa16_card_interface
{
public:
ultra12f_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
static constexpr feature_type unemulated_features() { return feature::DISK; }
protected:
virtual void device_start() override;
virtual void device_add_mconfig(machine_config &config) override;
virtual const tiny_rom_entry *device_rom_region() const override;
private:
void hpc_map(address_map &map);
required_device<hpc_device> m_hpc;
required_region_ptr<u8> m_bios;
};
DECLARE_DEVICE_TYPE(ULTRA12F, ultra12f_device)
#endif // MAME_BUS_ISA_ULTRA12F_H