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bk: "Altpro" and "Samara" combo floppy/ATA controllers. (#14419)
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‎scripts/src/bus.lua‎

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if (BUSES["QBUS"]~=null) then
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files {
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MAME_DIR .. "src/devices/bus/qbus/bk_altpro.cpp",
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MAME_DIR .. "src/devices/bus/qbus/bk_altpro.h",
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MAME_DIR .. "src/devices/bus/qbus/bk_irps.cpp",
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MAME_DIR .. "src/devices/bus/qbus/bk_irps.h",
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MAME_DIR .. "src/devices/bus/qbus/bk_kmd.cpp",
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MAME_DIR .. "src/devices/bus/qbus/bk_kmd.h",
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MAME_DIR .. "src/devices/bus/qbus/bk_samara.cpp",
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MAME_DIR .. "src/devices/bus/qbus/bk_samara.h",
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MAME_DIR .. "src/devices/bus/qbus/dsd4432.cpp",
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MAME_DIR .. "src/devices/bus/qbus/dsd4432.h",
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MAME_DIR .. "src/devices/bus/qbus/dvk_dwhle.cpp",

‎src/devices/bus/qbus/bk_altpro.cpp‎

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// license:BSD-3-Clause
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// copyright-holders:Sergey Svishchev
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/***************************************************************************
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BK "Altpro" combo floppy/ATA controller series
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CSRs 177130, 177740. No vector.
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Compatible with standard floppy controller. ATA port has software
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support in ANDOS and MK-DOS.
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Not implemented: memory expansion (SMK models).
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***************************************************************************/
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#include "emu.h"
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#include "bk_altpro.h"
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#include "bus/ata/ataintf.h"
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#include "cpu/t11/t11.h"
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#include "formats/bk0010_dsk.h"
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#include "imagedev/harddriv.h"
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#include "machine/1801vp128.h"
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namespace {
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ROM_START(bk_altpro)
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ROM_REGION(0x1000, "maincpu", 0)
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ROM_DEFAULT_BIOS("smk00")
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ROM_SYSTEM_BIOS(0, "smk00", "SMK00 1.41")
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ROMX_LOAD("disk_smk00_v1.41.rom", 0, 0x1000, CRC(cf41889f) SHA1(d34480e35a400316a1f0b6a9d2f3208f2ff2a6de), ROM_BIOS(0))
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ROM_SYSTEM_BIOS(1, "smk64", "SMK64 2.05")
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ROMX_LOAD("disk_smk64_v2.05.rom", 0, 0x1000, CRC(f5ac331d) SHA1(f14f54eb7a1f3327ceb7d6a30c484f6a0d5226ad), ROM_BIOS(1))
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ROM_SYSTEM_BIOS(2, "smk512", "SMK512 2.05")
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ROMX_LOAD("disk_smk512_v2.05.rom", 0, 0x1000, CRC(6ca562a7) SHA1(4796f373e343460b2c9acf769fd4ddfa46e6e90f), ROM_BIOS(2))
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ROM_END
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/***************************************************************************
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TYPE DEFINITIONS
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***************************************************************************/
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// ======================> bk_altpro_device
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class bk_altpro_device : public device_t,
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public device_qbus_card_interface
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{
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public:
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// construction/destruction
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bk_altpro_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
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uint16_t ata_r(offs_t offset, uint16_t mem_mask = ~0);
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void ata_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
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protected:
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// device-level overrides
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virtual void device_start() override ATTR_COLD;
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virtual void device_reset() override ATTR_COLD;
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virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
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virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
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required_device<k1801vp128_device> m_fdc;
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required_device<ata_interface_device> m_ata;
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private:
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static void floppy_formats(format_registration &fr);
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bool odd;
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std::unique_ptr<uint8_t[]> m_ram;
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};
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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//-------------------------------------------------
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// bk_altpro_device - constructor
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//-------------------------------------------------
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bk_altpro_device::bk_altpro_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
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: device_t(mconfig, BK_ALTPRO, tag, owner, clock)
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, device_qbus_card_interface(mconfig, *this)
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, m_fdc(*this, "fdc")
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, m_ata(*this, "ata")
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{
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}
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void bk_altpro_device::floppy_formats(format_registration &fr)
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{
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fr.add_mfm_containers();
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fr.add(FLOPPY_BK0010_FORMAT);
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}
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static void bk_floppies(device_slot_interface &device)
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{
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device.option_add("525qd", FLOPPY_525_QD);
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}
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const tiny_rom_entry *bk_altpro_device::device_rom_region() const
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{
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return ROM_NAME(bk_altpro);
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}
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void bk_altpro_device::device_add_mconfig(machine_config &config)
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{
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K1801VP128(config, m_fdc, XTAL(4'000'000));
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m_fdc->ds_in_callback().set([] (uint16_t data) {
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switch (data & 15)
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{
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case 1: return 0;
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case 2: return 1;
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default: return -1;
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}
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});
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FLOPPY_CONNECTOR(config, "fdc:0", bk_floppies, "525qd", bk_altpro_device::floppy_formats);
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FLOPPY_CONNECTOR(config, "fdc:1", bk_floppies, "525qd", bk_altpro_device::floppy_formats);
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ATA_INTERFACE(config, m_ata).options(ata_devices, "hdd", nullptr, false);
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void bk_altpro_device::device_start()
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{
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m_ram = make_unique_clear<uint8_t[]>(4096);
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m_bus->install_device(0177130, 0177133,
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emu::rw_delegate(m_fdc, FUNC(k1801vp128_device::read)),
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emu::rw_delegate(m_fdc, FUNC(k1801vp128_device::write))
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);
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m_bus->program_space().install_readwrite_handler(0177740, 0177757,
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emu::rw_delegate(*this, FUNC(bk_altpro_device::ata_r)),
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emu::rw_delegate(*this, FUNC(bk_altpro_device::ata_w)),
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0, 0, t11_device::UNALIGNED_WORD
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);
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m_bus->program_space().install_rom(0160000, 0167777, memregion(this->subtag("maincpu").c_str())->base());
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m_bus->program_space().unmap_write(0160000, 0167777);
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m_bus->program_space().install_ram(0170000, 0176777, &m_ram[0]);
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}
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void bk_altpro_device::device_reset()
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{
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odd = false;
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}
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uint16_t bk_altpro_device::ata_r(offs_t offset, uint16_t mem_mask)
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{
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if (mem_mask == 0xff00) // unaligned access
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{
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odd = true;
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return ((m_ata->cs1_r(7 - offset) << 8) ^ 0xffff);
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}
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else if (odd)
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{
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odd = false;
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return 0;
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}
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else if (offset == 7)
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return m_ata->cs0_r(7 - offset) ^ 0xffff;
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else
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return (m_ata->cs0_r(7 - offset) ^ 0xffff) & 0xff;
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}
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void bk_altpro_device::ata_w(offs_t offset, uint16_t data, uint16_t mem_mask)
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{
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if (mem_mask == 0xff00) // unaligned access
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{
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odd = true;
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m_ata->cs1_w(7 - offset, ((data >> 8) ^ 0xffff) & 0xff);
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}
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else if (odd)
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{
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odd = false;
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return;
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}
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else if (offset == 7)
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m_ata->cs0_w(7 - offset, (data ^ 0xffff));
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else
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m_ata->cs0_w(7 - offset, (data ^ 0xffff) & 0xff);
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}
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} // anonymous namespace
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//**************************************************************************
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// DEVICE DEFINITIONS
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//**************************************************************************
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DEFINE_DEVICE_TYPE_PRIVATE(BK_ALTPRO, device_qbus_card_interface, bk_altpro_device, "bk_altpro", "BK Altpro floppy/ATA")

‎src/devices/bus/qbus/bk_altpro.h‎

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// license:BSD-3-Clause
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// copyright-holders:Sergey Svishchev
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/***************************************************************************
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BK "Altpro" combo floppy/ATA controller
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***************************************************************************/
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#ifndef MAME_BUS_QBUS_BK_ALTPRO_H
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#define MAME_BUS_QBUS_BK_ALTPRO_H
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#pragma once
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#include "qbus.h"
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DECLARE_DEVICE_TYPE(BK_ALTPRO, device_qbus_card_interface)
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#endif

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