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tti: Convert driver to QBUS device (qts1)

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This commit is contained in:
AJR 2020-06-07 14:39:19 -04:00
parent 3e9324a87f
commit 763ee4e215
7 changed files with 111 additions and 87 deletions
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2
scripts/src/bus.lua
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@ -3676,6 +3676,8 @@ if (BUSES["QBUS"]~=null) then
MAME_DIR .. "src/devices/bus/qbus/pc11.h",
MAME_DIR .. "src/devices/bus/qbus/qbus.cpp",
MAME_DIR .. "src/devices/bus/qbus/qbus.h",
MAME_DIR .. "src/devices/bus/qbus/qtx.cpp",
MAME_DIR .. "src/devices/bus/qbus/qtx.h",
}
end

1
scripts/target/mame/mess.lua
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@ -4468,7 +4468,6 @@ files {
MAME_DIR .. "src/mame/drivers/trs80dt1.cpp",
MAME_DIR .. "src/mame/drivers/tsispch.cpp",
MAME_DIR .. "src/mame/includes/tsispch.h",
MAME_DIR .. "src/mame/drivers/tti.cpp",
MAME_DIR .. "src/mame/drivers/tulip1.cpp",
MAME_DIR .. "src/mame/drivers/unistar.cpp",
MAME_DIR .. "src/mame/drivers/v6809.cpp",

6
src/devices/bus/qbus/qbus.cpp
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@ -8,15 +8,17 @@
#include "emu.h"
#include "qbus.h"
// Peripheral boards
#include "pc11.h"
#include "qbus.h"
#include "qtx.h"
void qbus_cards(device_slot_interface &device)
{
device.option_add("pc11", DEC_PC11); /* Paper tape reader and punch */
device.option_add("qts1", TTI_QTS1);
}

131
src/mame/drivers/tti.cpp → src/devices/bus/qbus/qtx.cpp
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@ -4,8 +4,8 @@
2017-11-02 Skeleton
Transitional Technology Inc. SCSI host adapter, possibly part of the QTx (Q-Bus) series or UTx (Unibus) series.
Model number not known, zipfile was named "TTI_10012000.zip"
Transitional Technology Inc. SCSI Q-bus host adapter, part of the QTx series
(x = 'S' for single-ended, x = 'D' for differential). UTx-1 was also provided for Unibus.
Chips: NCR 53C90A, Motorola MC68901P, Fujitsu 8464A-10L (8KB static ram), Xicor X24C44P (16x16 serial NOVRAM), and 14 undumped
Lattice PLDs.
@ -16,87 +16,57 @@ Other: LED, 20MHz crystal. Next to the MC68901P is another chip just as large (4
************************************************************************************************************************************/
#include "emu.h"
#include "bus/nscsi/cd.h"
#include "bus/nscsi/hd.h"
#include "qtx.h"
#include "bus/nscsi/devices.h"
#include "bus/rs232/rs232.h"
#include "cpu/m68000/m68000.h"
#include "machine/74259.h"
#include "machine/eepromser.h"
#include "machine/mc68901.h"
#include "machine/ncr5390.h"
class tti_state : public driver_device
// device type definition
DEFINE_DEVICE_TYPE(TTI_QTS1, qts1_device, "qts1", "TTI QTS-1 SCSI Host Adapter")
qts1_device::qts1_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
: device_t(mconfig, TTI_QTS1, tag, owner, clock)
, device_qbus_card_interface(mconfig, *this)
, m_localcpu(*this, "localcpu")
, m_mfp(*this, "mfp")
, m_asc(*this, "scsibus:7:asc")
, m_dma_address(0)
{
public:
tti_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_mfp(*this, "mfp")
, m_asc(*this, "scsibus:7:asc")
, m_dma_address(0)
{ }
}
void tti(machine_config &config);
protected:
virtual void machine_start() override;
private:
u8 asc_r(offs_t offset);
void asc_w(offs_t offset, u8 data);
void dma_address_w(offs_t offset, u8 data);
u8 io_status_r();
void channel_w(u8 data);
void asc_config(device_t *device);
IRQ_CALLBACK_MEMBER(intack);
void prg_map(address_map &map);
void fc7_map(address_map &map);
required_device<cpu_device> m_maincpu;
required_device<mc68901_device> m_mfp;
required_device<ncr53c90a_device> m_asc;
u32 m_dma_address;
};
void tti_state::machine_start()
void qts1_device::device_start()
{
save_item(NAME(m_dma_address));
}
IRQ_CALLBACK_MEMBER(tti_state::intack)
{
return m_mfp->get_vector();
}
static INPUT_PORTS_START( tti )
INPUT_PORTS_END
u8 tti_state::asc_r(offs_t offset)
u8 qts1_device::asc_r(offs_t offset)
{
return m_asc->read(offset ^ 1);
}
void tti_state::asc_w(offs_t offset, u8 data)
void qts1_device::asc_w(offs_t offset, u8 data)
{
m_asc->write(offset ^ 1, data);
}
void tti_state::dma_address_w(offs_t offset, u8 data)
void qts1_device::dma_address_w(offs_t offset, u8 data)
{
m_dma_address &= ~(0xff000000 >> (offset * 8));
m_dma_address |= u32(data) << (24 - offset * 8);
}
u8 tti_state::io_status_r()
u8 qts1_device::io_status_r()
{
return 0;
}
void tti_state::channel_w(u8 data)
void qts1_device::channel_w(u8 data)
{
switch (data & 0x03)
{
@ -114,33 +84,31 @@ void tti_state::channel_w(u8 data)
}
}
void tti_state::prg_map(address_map &map)
void qts1_device::prg_map(address_map &map)
{
map(0x00000, 0x07fff).rom().region("firmware", 0);
map(0x7e000, 0x7ffff).ram();
map(0x80000, 0x80017).rw(m_mfp, FUNC(mc68901_device::read), FUNC(mc68901_device::write));
map(0x80018, 0x8001f).ram();
map(0x80020, 0x80029).rw(FUNC(tti_state::asc_r), FUNC(tti_state::asc_w));
map(0x80020, 0x80029).rw(FUNC(qts1_device::asc_r), FUNC(qts1_device::asc_w));
map(0x80070, 0x80077).w("bitlatch", FUNC(ls259_device::write_d0));
map(0x80078, 0x8007b).w(FUNC(tti_state::dma_address_w));
map(0x8007c, 0x8007c).r(FUNC(tti_state::io_status_r));
map(0x8007d, 0x8007d).w(FUNC(tti_state::channel_w));
map(0x80078, 0x8007b).w(FUNC(qts1_device::dma_address_w));
map(0x8007c, 0x8007c).r(FUNC(qts1_device::io_status_r));
map(0x8007d, 0x8007d).w(FUNC(qts1_device::channel_w));
}
void tti_state::fc7_map(address_map &map)
void qts1_device::fc7_map(address_map &map)
{
map(0xffff5, 0xffff5).r(m_mfp, FUNC(mc68901_device::get_vector));
}
static void tti_scsi_devices(device_slot_interface &device)
static void qtx_scsi_devices(device_slot_interface &device)
{
// FIXME: these device options are placeholders
device.option_add("cdrom", NSCSI_CDROM);
device.option_add("harddisk", NSCSI_HARDDISK);
default_scsi_devices(device);
device.option_add_internal("asc", NCR53C90A);
}
void tti_state::asc_config(device_t *device)
void qts1_device::asc_config(device_t *device)
{
ncr53c90a_device &adapter = downcast<ncr53c90a_device &>(*device);
@ -150,28 +118,28 @@ void tti_state::asc_config(device_t *device)
//adapter.drq_handler_cb().set(?);
}
void tti_state::tti(machine_config &config)
void qts1_device::device_add_mconfig(machine_config &config)
{
M68008(config, m_maincpu, 20_MHz_XTAL / 2); // guess
m_maincpu->set_addrmap(AS_PROGRAM, &tti_state::prg_map);
m_maincpu->set_addrmap(m68008_device::AS_CPU_SPACE, &tti_state::fc7_map);
M68008(config, m_localcpu, 20_MHz_XTAL / 2); // guess
m_localcpu->set_addrmap(AS_PROGRAM, &qts1_device::prg_map);
m_localcpu->set_addrmap(m68008_device::AS_CPU_SPACE, &qts1_device::fc7_map);
MC68901(config, m_mfp, 20_MHz_XTAL / 2); // guess
m_mfp->set_timer_clock(20_MHz_XTAL / 8); // guess
m_mfp->out_tco_cb().set(m_mfp, FUNC(mc68901_device::rc_w));
m_mfp->out_tco_cb().append(m_mfp, FUNC(mc68901_device::tc_w));
m_mfp->out_so_cb().set("rs232", FUNC(rs232_port_device::write_txd));
m_mfp->out_irq_cb().set_inputline("maincpu", M68K_IRQ_2); // probably
m_mfp->out_irq_cb().set_inputline("localcpu", M68K_IRQ_2); // probably
NSCSI_BUS(config, "scsibus");
NSCSI_CONNECTOR(config, "scsibus:0", tti_scsi_devices, nullptr);
NSCSI_CONNECTOR(config, "scsibus:1", tti_scsi_devices, nullptr);
NSCSI_CONNECTOR(config, "scsibus:2", tti_scsi_devices, nullptr);
NSCSI_CONNECTOR(config, "scsibus:3", tti_scsi_devices, nullptr);
NSCSI_CONNECTOR(config, "scsibus:4", tti_scsi_devices, nullptr);
NSCSI_CONNECTOR(config, "scsibus:5", tti_scsi_devices, nullptr);
NSCSI_CONNECTOR(config, "scsibus:6", tti_scsi_devices, nullptr);
NSCSI_CONNECTOR(config, "scsibus:7", tti_scsi_devices, "asc", true).set_option_machine_config("asc", [this] (device_t *device) { asc_config(device); });
NSCSI_CONNECTOR(config, "scsibus:0", qtx_scsi_devices, nullptr);
NSCSI_CONNECTOR(config, "scsibus:1", qtx_scsi_devices, nullptr);
NSCSI_CONNECTOR(config, "scsibus:2", qtx_scsi_devices, nullptr);
NSCSI_CONNECTOR(config, "scsibus:3", qtx_scsi_devices, nullptr);
NSCSI_CONNECTOR(config, "scsibus:4", qtx_scsi_devices, nullptr);
NSCSI_CONNECTOR(config, "scsibus:5", qtx_scsi_devices, nullptr);
NSCSI_CONNECTOR(config, "scsibus:6", qtx_scsi_devices, nullptr);
NSCSI_CONNECTOR(config, "scsibus:7", qtx_scsi_devices, "asc", true).set_option_machine_config("asc", [this] (device_t *device) { asc_config(device); });
rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, "terminal"));
rs232.rxd_handler().set(m_mfp, FUNC(mc68901_device::si_w));
@ -184,7 +152,7 @@ void tti_state::tti(machine_config &config)
bitlatch.q_out_cb<2>().set("novram", FUNC(eeprom_serial_x24c44_device::cs_write));
}
ROM_START( tti )
ROM_START(qts1)
ROM_REGION(0x8000, "firmware", 0)
ROM_SYSTEM_BIOS(0, "v2.3", "Firmware Version 2.3")
ROMX_LOAD("tti_10012000_rev2.3.bin", 0x0000, 0x8000, CRC(95a5bce8) SHA1(46d7c99e37ca5598aec2062dfd9759853a237c14), ROM_BIOS(0))
@ -192,4 +160,7 @@ ROM_START( tti )
ROMX_LOAD("tti_10012000_rev1.7.bin", 0x0000, 0x8000, CRC(6660c059) SHA1(05d97009b5b8034dda520f655c73c474da97f822), ROM_BIOS(1))
ROM_END
COMP( 1989, tti, 0, 0, tti, tti, tti_state, empty_init, "Transitional Technology Inc", "unknown TTI SCSI host adapter", MACHINE_IS_SKELETON )
const tiny_rom_entry *qts1_device::device_rom_region() const
{
return ROM_NAME(qts1);
}

54
src/devices/bus/qbus/qtx.h Normal file
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@ -0,0 +1,54 @@
// license:BSD-3-Clause
// copyright-holders:AJR
#ifndef MAME_BUS_QBUS_QTX_H
#define MAME_BUS_QBUS_QTX_H
#pragma once
#include "qbus.h"
#include "machine/mc68901.h"
#include "machine/ncr5390.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> qts1_device
class qts1_device : public device_t, public device_qbus_card_interface
{
public:
// device type constructor
qts1_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
protected:
// device-level overrides
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:
u8 asc_r(offs_t offset);
void asc_w(offs_t offset, u8 data);
void dma_address_w(offs_t offset, u8 data);
u8 io_status_r();
void channel_w(u8 data);
void asc_config(device_t *device);
void prg_map(address_map &map);
void fc7_map(address_map &map);
required_device<cpu_device> m_localcpu;
required_device<mc68901_device> m_mfp;
required_device<ncr53c90a_device> m_asc;
u32 m_dma_address;
};
// device type declaration
DECLARE_DEVICE_TYPE(TTI_QTS1, qts1_device)
#endif // MAME_BUS_QBUS_QTX_H

3
src/mame/mame.lst
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@ -39996,9 +39996,6 @@ prose2ko //
ttchamp //
ttchampa //
@source:tti.cpp
tti //
@source:tubep.cpp
rjammer // (c) 1984 + Alice
tubep // (c) 1984 + Fujitek

1
src/mame/mess.flt
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@ -997,7 +997,6 @@ ts802.cpp
ts803.cpp
ts816.cpp
tsispch.cpp
tti.cpp
tulip1.cpp
tutor.cpp
tv910.cpp