mirror of
https://github.com/holub/mame
synced 2025-10-05 08:41:31 +03:00
Added skeleton for Atari 8bit SIO bus. This will not work until pokey learns to speak low level serial. (nw)
This commit is contained in:
Wilbert Pol
parent
6c0a4f47e3
commit
b3932b60cb
220
src/emu/bus/a8sio/a8sio.c
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220
src/emu/bus/a8sio/a8sio.c
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@ -0,0 +1,220 @@
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// license:BSD-3-Clause
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// copyright-holders:Wilbert Pol
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/***************************************************************************
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a8sio.h - Atari 8 bit SIO bus interface
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1 1
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2 4 6 8 0 2
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+-----------+
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/ o o o o o o \
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/ o o o o o o o \
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+-----------------+
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1 3 5 7 9 1 1
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1 3
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1 - clock in (to computer)
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2 - clock out
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3 - data in
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4 - GND
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5 - data out
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6 - GND
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7 - command (active low)
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8 - motor
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9 - proceed (active low)
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10 - +5V/ready
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11 - audio in
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12 - +12V (A400/A800)
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13 - interrupt (active low)
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***************************************************************************/
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#include "emu.h"
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#include "a8sio.h"
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#include "cassette.h"
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//**************************************************************************
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// GLOBAL VARIABLES
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//**************************************************************************
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const device_type A8SIO_SLOT = &device_creator<a8sio_slot_device>;
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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//-------------------------------------------------
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// a8sio_slot_device - constructor
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//-------------------------------------------------
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a8sio_slot_device::a8sio_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: device_t(mconfig, A8SIO_SLOT, "Atari 8 bit SIO Slot", tag, owner, clock, "a8sio_slot", __FILE__)
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, device_slot_interface(mconfig, *this)
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{
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}
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a8sio_slot_device::a8sio_slot_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) :
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device_t(mconfig, type, name, tag, owner, clock, shortname, source),
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device_slot_interface(mconfig, *this)
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{
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}
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void a8sio_slot_device::static_set_a8sio_slot(device_t &device, const char *tag, const char *slottag)
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{
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a8sio_slot_device &a8sio_ext = dynamic_cast<a8sio_slot_device &>(device);
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a8sio_ext.m_a8sio_tag = tag;
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a8sio_ext.m_a8sio_slottag = slottag;
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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 a8sio_slot_device::device_start()
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{
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device_a8sio_card_interface *dev = dynamic_cast<device_a8sio_card_interface *>(get_card_device());
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if (dev)
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{
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device_a8sio_card_interface::static_set_a8sio_tag(*dev, m_a8sio_tag, m_a8sio_slottag);
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}
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}
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//**************************************************************************
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// GLOBAL VARIABLES
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//**************************************************************************
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const device_type A8SIO = &device_creator<a8sio_device>;
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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//-------------------------------------------------
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// a8sio_device - constructor
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//-------------------------------------------------
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a8sio_device::a8sio_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: device_t(mconfig, A8SIO, "Atari 8 biot SIO", tag, owner, clock, "a8sio", __FILE__)
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, m_out_clock_in_cb(*this)
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, m_out_data_in_cb(*this)
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, m_out_audio_in_cb(*this)
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{
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}
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a8sio_device::a8sio_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source)
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: device_t(mconfig, type, name, tag, owner, clock, shortname, source)
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, m_out_clock_in_cb(*this)
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, m_out_data_in_cb(*this)
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, m_out_audio_in_cb(*this)
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{
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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 a8sio_device::device_start()
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{
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// resolve callbacks
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m_out_clock_in_cb.resolve_safe();
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m_out_data_in_cb.resolve_safe();
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m_out_audio_in_cb.resolve_safe();
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// clear slot
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m_device = NULL;
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}
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//-------------------------------------------------
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// device_reset - device-specific reset
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//-------------------------------------------------
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void a8sio_device::device_reset()
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{
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}
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device_a8sio_card_interface *a8sio_device::get_a8sio_card()
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{
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return m_device;
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}
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void a8sio_device::add_a8sio_card(device_a8sio_card_interface *card)
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{
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m_device = card;
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}
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WRITE_LINE_MEMBER( a8sio_device::clock_in_w )
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{
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m_out_clock_in_cb(state);
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}
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WRITE_LINE_MEMBER( a8sio_device::data_in_w )
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{
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m_out_data_in_cb(state);
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}
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WRITE_LINE_MEMBER( a8sio_device::motor_w )
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{
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if (m_device)
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{
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m_device->motor_w(state);
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}
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}
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WRITE8_MEMBER( a8sio_device::audio_in_w )
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{
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m_out_audio_in_cb(data);
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}
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//**************************************************************************
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// DEVICE A8SIO CARD INTERFACE
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//**************************************************************************
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//-------------------------------------------------
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// device_a8sio_card_interface - constructor
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//-------------------------------------------------
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device_a8sio_card_interface::device_a8sio_card_interface(const machine_config &mconfig, device_t &device)
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: device_slot_card_interface(mconfig, device)
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, m_a8sio(NULL)
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, m_a8sio_tag(NULL)
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{
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}
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//-------------------------------------------------
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// ~device_a8sio_card_interface - destructor
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//-------------------------------------------------
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device_a8sio_card_interface::~device_a8sio_card_interface()
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{
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}
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void device_a8sio_card_interface::static_set_a8sio_tag(device_t &device, const char *tag, const char *slottag)
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{
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device_a8sio_card_interface &a8sio_card = dynamic_cast<device_a8sio_card_interface &>(device);
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a8sio_card.m_a8sio_tag = tag;
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a8sio_card.m_a8sio_slottag = slottag;
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}
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void device_a8sio_card_interface::set_a8sio_device()
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{
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m_a8sio = dynamic_cast<a8sio_device *>(device().machine().device(m_a8sio_tag));
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m_a8sio->add_a8sio_card(this);
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}
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WRITE_LINE_MEMBER( device_a8sio_card_interface::motor_w )
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{
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//printf("device_a8sio_card_interface::motor_w %d\n", state);
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}
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SLOT_INTERFACE_START(a8sio_cards)
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SLOT_INTERFACE("cassette", A8SIO_CASSETTE)
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SLOT_INTERFACE_END
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141
src/emu/bus/a8sio/a8sio.h
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141
src/emu/bus/a8sio/a8sio.h
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@ -0,0 +1,141 @@
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// license:BSD-3-Clause
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// copyright-holders:Wilbert Pol
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/***************************************************************************
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a8sio.h - Atari 8 bit SIO bus interface
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1 1
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2 4 6 8 0 2
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+-----------+
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/ o o o o o o \
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/ o o o o o o o \
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+-----------------+
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1 3 5 7 9 1 1
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1 3
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1 - clock in (to computer)
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2 - clock out
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3 - data in
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4 - GND
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5 - data out
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6 - GND
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7 - command (active low)
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8 - motor
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9 - proceed (active low)
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10 - +5V/ready
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11 - audio in
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12 - +12V (A400/A800)
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13 - interrupt (active low)
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***************************************************************************/
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#pragma once
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#ifndef __A8SIO_H_
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#define __A8SIO_H_
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//**************************************************************************
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// INTERFACE CONFIGURATION MACROS
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//**************************************************************************
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#define MCFG_A8SIO_SLOT_ADD(_nbtag, _tag, _def_slot) \
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MCFG_DEVICE_ADD(_tag, A8SIO_SLOT, 0) \
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MCFG_DEVICE_SLOT_INTERFACE(a8sio_cards, _def_slot, false) \
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a8sio_slot_device::static_set_a8sio_slot(*device, _nbtag, _tag);
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class a8sio_slot_device : public device_t,
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public device_slot_interface
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{
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public:
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// construction/destruction
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a8sio_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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a8sio_slot_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
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// device-level overrides
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virtual void device_start();
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// inline configuration
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static void static_set_a8sio_slot(device_t &device, const char *tag, const char *slottag);
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protected:
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// configuration
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const char *m_a8sio_tag;
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const char *m_a8sio_slottag;
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};
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// device type definition
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extern const device_type A8SIO_SLOT;
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class device_a8sio_card_interface;
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class a8sio_device : public device_t
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{
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public:
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// construction/destruction
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a8sio_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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a8sio_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
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// inline configuration
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template<class _Object> static devcb_base &set_clock_in_callback(device_t &device, _Object object) { return downcast<a8sio_device &>(device).m_out_clock_in_cb.set_callback(object); }
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template<class _Object> static devcb_base &set_data_in_callback(device_t &device, _Object object) { return downcast<a8sio_device &>(device).m_out_data_in_cb.set_callback(object); }
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template<class _Object> static devcb_base &set_audio_in_callback(device_t &device, _Object object) { return downcast<a8sio_device &>(device).m_out_audio_in_cb.set_callback(object); }
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void add_a8sio_card(device_a8sio_card_interface *card);
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device_a8sio_card_interface *get_a8sio_card();
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DECLARE_WRITE_LINE_MEMBER( clock_in_w ); // pin 1
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//virtual DECLARE_WRITE_LINE_MEMBER( clock_out_w ); // pin 2
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DECLARE_WRITE_LINE_MEMBER( data_in_w ); // pin 3
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//DECLARE_WRITE_LINE_MEMBER( data_out_wi ); // pin 5
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//DECLARE_WRITE_LINE_MEMBER( command_w ); // pin 7
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DECLARE_WRITE_LINE_MEMBER( motor_w ); // pin 8
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//DECLARE_WRITE_LINE_MEMBER( proceed_w ); // pin 9
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DECLARE_WRITE8_MEMBER( audio_in_w ); // pin 11
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protected:
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// device-level overrides
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virtual void device_start();
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virtual void device_reset();
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devcb_write_line m_out_clock_in_cb; // pin 1
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devcb_write_line m_out_data_in_cb; // pin 3
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devcb_write8 m_out_audio_in_cb; // pin 11
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device_a8sio_card_interface *m_device;
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};
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// device type definition
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extern const device_type A8SIO;
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class device_a8sio_card_interface : public device_slot_card_interface
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{
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friend class a8sio_device;
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public:
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// construction/destruction
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device_a8sio_card_interface(const machine_config &mconfig, device_t &device);
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virtual ~device_a8sio_card_interface();
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void set_a8sio_device();
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// inline configuration
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static void static_set_a8sio_tag(device_t &device, const char *tag, const char *slottag);
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virtual DECLARE_WRITE_LINE_MEMBER( motor_w );
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public:
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a8sio_device *m_a8sio;
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const char *m_a8sio_tag;
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const char *m_a8sio_slottag;
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};
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SLOT_INTERFACE_EXTERN(a8sio_cards);
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#endif
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72
src/emu/bus/a8sio/cassette.c
Normal file
72
src/emu/bus/a8sio/cassette.c
Normal file
@ -0,0 +1,72 @@
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// license:BSD-3-Clause
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// copyright-holders:Wilbert Pol
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/***************************************************************************
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cassette.h - Atari 8 bit cassette player(s)
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Known cassette players:
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- Atari XC11
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- Atari XC12 (no SIO connection for an additional device)
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TODO:
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- Implement cassette reading
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- Implement cassette writing
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- Add audio support
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- Add SIO connector for a next device
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***************************************************************************/
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#include "emu.h"
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#include "cassette.h"
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//**************************************************************************
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// GLOBAL VARIABLES
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//**************************************************************************
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const device_type A8SIO_CASSETTE = &device_creator<a8sio_cassette_device>;
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static MACHINE_CONFIG_FRAGMENT( cassette )
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MCFG_CASSETTE_ADD("cassette")
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MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED)
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MCFG_CASSETTE_INTERFACE("atari8bit_cass")
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MACHINE_CONFIG_END
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machine_config_constructor a8sio_cassette_device::device_mconfig_additions() const
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{
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return MACHINE_CONFIG_NAME( cassette );
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}
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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a8sio_cassette_device::a8sio_cassette_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: device_t(mconfig, A8SIO_CASSETTE, "Atari 8 bit cassette", tag, owner, clock, "a8sio_cass", __FILE__)
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, device_a8sio_card_interface(mconfig, *this)
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, m_cassette(*this, "cassette")
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{
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}
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a8sio_cassette_device::a8sio_cassette_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source)
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: device_t(mconfig, type, name, tag, owner, clock, shortname, source)
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, device_a8sio_card_interface(mconfig, *this)
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, m_cassette(*this, "cassette")
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{
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}
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void a8sio_cassette_device::device_start()
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{
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set_a8sio_device();
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}
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void a8sio_cassette_device::device_reset()
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{
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}
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WRITE_LINE_MEMBER( a8sio_cassette_device::motor_w )
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{
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//printf("a8sio_cassette::motor_w %d\n", state);
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}
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49
src/emu/bus/a8sio/cassette.h
Normal file
49
src/emu/bus/a8sio/cassette.h
Normal file
@ -0,0 +1,49 @@
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// license:BSD-3-Clause
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// copyright-holders:Wilbert Pol
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/***************************************************************************
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cassette.h - Atari 8 bit cassette player(s)
|
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Known cassette players:
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- Atari XC11
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- Atari XC12 (no SIO connection for an additional device)
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***************************************************************************/
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#pragma once
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#ifndef __A8SIO_CASSETTE_H_
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#define __A8SIO_CASSETTE_H_
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#include "a8sio.h"
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#include "imagedev/cassette.h"
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class a8sio_cassette_device
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: public device_t
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, public device_a8sio_card_interface
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{
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public:
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// construction/destruction
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a8sio_cassette_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
|
||||
a8sio_cassette_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
|
||||
|
||||
// optional information overrides
|
||||
virtual machine_config_constructor device_mconfig_additions() const;
|
||||
|
||||
virtual DECLARE_WRITE_LINE_MEMBER( motor_w );
|
||||
|
||||
protected:
|
||||
virtual void device_start();
|
||||
virtual void device_reset();
|
||||
|
||||
required_device<cassette_image_device> m_cassette;
|
||||
};
|
||||
|
||||
// device type definition
|
||||
extern const device_type A8SIO_CASSETTE;
|
||||
|
||||
|
||||
#endif
|
||||
@ -43,6 +43,18 @@ BUSOBJS += $(BUSOBJ)/a800/sparta.o
|
||||
endif
|
||||
|
||||
|
||||
#-------------------------------------------------
|
||||
#
|
||||
#@src/emu/bus/a8sio/a8sio.h,BUSES += A8SIO
|
||||
#-------------------------------------------------
|
||||
|
||||
ifneq ($(filter A8SIO,$(BUSES)),)
|
||||
OBJDIRS += $(BUSOBJ)/a8sio
|
||||
BUSOBJS += $(BUSOBJ)/a8sio/a8sio.o
|
||||
BUSOBJS += $(BUSOBJ)/a8sio/cassette.o
|
||||
endif
|
||||
|
||||
|
||||
#-------------------------------------------------
|
||||
#
|
||||
#@src/emu/bus/abcbus/abcbus.h,BUSES += ABCBUS
|
||||
|
||||
@ -48,6 +48,7 @@
|
||||
#include "machine/atarifdc.h"
|
||||
#include "bus/a800/a800_slot.h"
|
||||
#include "bus/a800/a800_carts.h"
|
||||
#include "bus/a8sio/a8sio.h"
|
||||
|
||||
|
||||
/******************************************************************************
|
||||
@ -2075,6 +2076,7 @@ WRITE8_MEMBER(a400_state::a800xl_pia_pb_w)
|
||||
*
|
||||
**************************************************************/
|
||||
|
||||
|
||||
static MACHINE_CONFIG_START( atari_common_nodac, a400_state )
|
||||
/* basic machine hardware */
|
||||
MCFG_CPU_ADD("maincpu", M6502, FREQ_17_EXACT)
|
||||
@ -2094,8 +2096,12 @@ static MACHINE_CONFIG_START( atari_common_nodac, a400_state )
|
||||
MCFG_DEVICE_ADD("pia", PIA6821, 0)
|
||||
MCFG_PIA_READPA_HANDLER(IOPORT("djoy_0_1"))
|
||||
MCFG_PIA_READPB_HANDLER(IOPORT("djoy_2_3"))
|
||||
MCFG_PIA_CA2_HANDLER(DEVWRITELINE("a8sio", a8sio_device, motor_w))
|
||||
MCFG_PIA_CB2_HANDLER(DEVWRITELINE("fdc", atari_fdc_device, pia_cb2_w))
|
||||
|
||||
MCFG_DEVICE_ADD("a8sio", A8SIO, 0)
|
||||
MCFG_A8SIO_SLOT_ADD("a8sio", "sio", NULL)
|
||||
|
||||
/* sound hardware */
|
||||
MCFG_SPEAKER_STANDARD_MONO("mono")
|
||||
MCFG_SOUND_ADD("pokey", POKEY, FREQ_17_EXACT)
|
||||
|
||||
@ -570,6 +570,7 @@ BUSES += A1BUS
|
||||
BUSES += A2BUS
|
||||
BUSES += A7800
|
||||
BUSES += A800
|
||||
BUSES += A8SIO
|
||||
BUSES += ABCBUS
|
||||
BUSES += ABCKB
|
||||
BUSES += ADAM
|
||||
|
||||
Loading…
Reference in New Issue
Block a user