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r34142 Thursday 1st January, 2015 at 19:49:20 UTC by Wilbert Pol
Added skeleton for Atari 8bit SIO bus. This will not work until pokey learns to speak low level serial. (nw)
[src/emu/bus]bus.mak
[src/emu/bus/a8sio]a8sio.c* a8sio.h* cassette.c* cassette.h*
[src/mess]mess.mak
[src/mess/drivers]atari400.c

trunk/src/emu/bus/a8sio/a8sio.c
r0r242654
1// license:BSD-3-Clause
2// copyright-holders:Wilbert Pol
3/***************************************************************************
4
5  a8sio.h - Atari 8 bit SIO bus interface
6
7
8              1 1
9      2 4 6 8 0 2
10     +-----------+
11    / o o o o o o \
12   / o o o o o o o \
13  +-----------------+
14     1 3 5 7 9 1 1
15               1 3
16
17  1 - clock in (to computer)
18  2 - clock out
19  3 - data in
20  4 - GND
21  5 - data out
22  6 - GND
23  7 - command (active low)
24  8 - motor
25  9 - proceed (active low)
26 10 - +5V/ready
27 11 - audio in
28 12 - +12V (A400/A800)
29 13 - interrupt (active low)
30
31***************************************************************************/
32
33#include "emu.h"
34#include "a8sio.h"
35#include "cassette.h"
36
37
38//**************************************************************************
39//  GLOBAL VARIABLES
40//**************************************************************************
41
42const device_type A8SIO_SLOT = &device_creator<a8sio_slot_device>;
43
44//**************************************************************************
45//  LIVE DEVICE
46//**************************************************************************
47
48//-------------------------------------------------
49//  a8sio_slot_device - constructor
50//-------------------------------------------------
51a8sio_slot_device::a8sio_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
52   : device_t(mconfig, A8SIO_SLOT, "Atari 8 bit SIO Slot", tag, owner, clock, "a8sio_slot", __FILE__)
53   , device_slot_interface(mconfig, *this)
54{
55}
56
57a8sio_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) :
58      device_t(mconfig, type, name, tag, owner, clock, shortname, source),
59      device_slot_interface(mconfig, *this)
60{
61}
62
63void a8sio_slot_device::static_set_a8sio_slot(device_t &device, const char *tag, const char *slottag)
64{
65   a8sio_slot_device &a8sio_ext = dynamic_cast<a8sio_slot_device &>(device);
66   a8sio_ext.m_a8sio_tag = tag;
67   a8sio_ext.m_a8sio_slottag = slottag;
68}
69
70//-------------------------------------------------
71//  device_start - device-specific startup
72//-------------------------------------------------
73
74void a8sio_slot_device::device_start()
75{
76   device_a8sio_card_interface *dev = dynamic_cast<device_a8sio_card_interface *>(get_card_device());
77
78   if (dev)
79   {
80      device_a8sio_card_interface::static_set_a8sio_tag(*dev, m_a8sio_tag, m_a8sio_slottag);
81   }
82}
83
84
85
86//**************************************************************************
87//  GLOBAL VARIABLES
88//**************************************************************************
89
90const device_type A8SIO = &device_creator<a8sio_device>;
91
92
93//**************************************************************************
94//  LIVE DEVICE
95//**************************************************************************
96
97//-------------------------------------------------
98//  a8sio_device - constructor
99//-------------------------------------------------
100
101a8sio_device::a8sio_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
102   : device_t(mconfig, A8SIO, "Atari 8 biot SIO", tag, owner, clock, "a8sio", __FILE__)
103   , m_out_clock_in_cb(*this)
104   , m_out_data_in_cb(*this)
105   , m_out_audio_in_cb(*this)
106{
107}
108
109a8sio_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)
110   : device_t(mconfig, type, name, tag, owner, clock, shortname, source)
111   , m_out_clock_in_cb(*this)
112   , m_out_data_in_cb(*this)
113   , m_out_audio_in_cb(*this)
114{
115}
116
117//-------------------------------------------------
118//  device_start - device-specific startup
119//-------------------------------------------------
120
121void a8sio_device::device_start()
122{
123   // resolve callbacks
124   m_out_clock_in_cb.resolve_safe();
125   m_out_data_in_cb.resolve_safe();
126   m_out_audio_in_cb.resolve_safe();
127
128   // clear slot
129   m_device = NULL;
130}
131
132//-------------------------------------------------
133//  device_reset - device-specific reset
134//-------------------------------------------------
135
136void a8sio_device::device_reset()
137{
138}
139
140device_a8sio_card_interface *a8sio_device::get_a8sio_card()
141{
142      return m_device;
143}
144
145void a8sio_device::add_a8sio_card(device_a8sio_card_interface *card)
146{
147   m_device = card;
148}
149
150WRITE_LINE_MEMBER( a8sio_device::clock_in_w )
151{
152   m_out_clock_in_cb(state);
153}
154
155WRITE_LINE_MEMBER( a8sio_device::data_in_w )
156{
157   m_out_data_in_cb(state);
158}
159
160WRITE_LINE_MEMBER( a8sio_device::motor_w )
161{
162   if (m_device)
163   {
164      m_device->motor_w(state);
165   }
166}
167
168WRITE8_MEMBER( a8sio_device::audio_in_w )
169{
170   m_out_audio_in_cb(data);
171}
172
173
174//**************************************************************************
175//  DEVICE A8SIO CARD INTERFACE
176//**************************************************************************
177
178//-------------------------------------------------
179//  device_a8sio_card_interface - constructor
180//-------------------------------------------------
181
182device_a8sio_card_interface::device_a8sio_card_interface(const machine_config &mconfig, device_t &device)
183   : device_slot_card_interface(mconfig, device)
184   , m_a8sio(NULL)
185   , m_a8sio_tag(NULL)
186{
187}
188
189
190//-------------------------------------------------
191//  ~device_a8sio_card_interface - destructor
192//-------------------------------------------------
193
194device_a8sio_card_interface::~device_a8sio_card_interface()
195{
196}
197
198void device_a8sio_card_interface::static_set_a8sio_tag(device_t &device, const char *tag, const char *slottag)
199{
200   device_a8sio_card_interface &a8sio_card = dynamic_cast<device_a8sio_card_interface &>(device);
201   a8sio_card.m_a8sio_tag = tag;
202   a8sio_card.m_a8sio_slottag = slottag;
203}
204
205void device_a8sio_card_interface::set_a8sio_device()
206{
207   m_a8sio = dynamic_cast<a8sio_device *>(device().machine().device(m_a8sio_tag));
208   m_a8sio->add_a8sio_card(this);
209}
210
211WRITE_LINE_MEMBER( device_a8sio_card_interface::motor_w )
212{
213   //printf("device_a8sio_card_interface::motor_w %d\n", state);
214}
215
216
217SLOT_INTERFACE_START(a8sio_cards)
218   SLOT_INTERFACE("cassette", A8SIO_CASSETTE)
219SLOT_INTERFACE_END
220
trunk/src/emu/bus/a8sio/a8sio.h
r0r242654
1// license:BSD-3-Clause
2// copyright-holders:Wilbert Pol
3/***************************************************************************
4
5  a8sio.h - Atari 8 bit SIO bus interface
6
7
8              1 1
9      2 4 6 8 0 2
10     +-----------+
11    / o o o o o o \
12   / o o o o o o o \
13  +-----------------+
14     1 3 5 7 9 1 1
15               1 3
16
17  1 - clock in (to computer)
18  2 - clock out
19  3 - data in
20  4 - GND
21  5 - data out
22  6 - GND
23  7 - command (active low)
24  8 - motor
25  9 - proceed (active low)
26 10 - +5V/ready
27 11 - audio in
28 12 - +12V (A400/A800)
29 13 - interrupt (active low)
30
31***************************************************************************/
32
33#pragma once
34
35#ifndef __A8SIO_H_
36#define __A8SIO_H_
37
38
39//**************************************************************************
40//  INTERFACE CONFIGURATION MACROS
41//**************************************************************************
42
43#define MCFG_A8SIO_SLOT_ADD(_nbtag, _tag, _def_slot) \
44   MCFG_DEVICE_ADD(_tag, A8SIO_SLOT, 0) \
45   MCFG_DEVICE_SLOT_INTERFACE(a8sio_cards, _def_slot, false) \
46   a8sio_slot_device::static_set_a8sio_slot(*device, _nbtag, _tag);
47
48
49class a8sio_slot_device : public device_t,
50                     public device_slot_interface
51{
52public:
53   // construction/destruction
54   a8sio_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
55   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);
56
57   // device-level overrides
58   virtual void device_start();
59
60   // inline configuration
61   static void static_set_a8sio_slot(device_t &device, const char *tag, const char *slottag);
62
63protected:
64   // configuration
65   const char *m_a8sio_tag;
66   const char *m_a8sio_slottag;
67};
68
69
70// device type definition
71extern const device_type A8SIO_SLOT;
72
73
74class device_a8sio_card_interface;
75
76class a8sio_device : public device_t
77{
78public:
79   // construction/destruction
80   a8sio_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
81   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);
82
83   // inline configuration
84   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); }
85   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); }
86   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); }
87
88   void add_a8sio_card(device_a8sio_card_interface *card);
89   device_a8sio_card_interface *get_a8sio_card();
90
91   DECLARE_WRITE_LINE_MEMBER( clock_in_w );  // pin 1
92   //virtual DECLARE_WRITE_LINE_MEMBER( clock_out_w ); // pin 2
93   DECLARE_WRITE_LINE_MEMBER( data_in_w );   // pin 3
94   //DECLARE_WRITE_LINE_MEMBER( data_out_wi ); // pin 5
95   //DECLARE_WRITE_LINE_MEMBER( command_w );   // pin 7
96   DECLARE_WRITE_LINE_MEMBER( motor_w );     // pin 8
97   //DECLARE_WRITE_LINE_MEMBER( proceed_w );   // pin 9
98   DECLARE_WRITE8_MEMBER( audio_in_w );      // pin 11
99
100protected:
101   // device-level overrides
102   virtual void device_start();
103   virtual void device_reset();
104
105   devcb_write_line    m_out_clock_in_cb; // pin 1
106   devcb_write_line    m_out_data_in_cb; // pin 3
107   devcb_write8        m_out_audio_in_cb; // pin 11
108
109   device_a8sio_card_interface *m_device;
110};
111
112
113// device type definition
114extern const device_type A8SIO;
115
116
117class device_a8sio_card_interface : public device_slot_card_interface
118{
119   friend class a8sio_device;
120public:
121   // construction/destruction
122   device_a8sio_card_interface(const machine_config &mconfig, device_t &device);
123   virtual ~device_a8sio_card_interface();
124
125   void set_a8sio_device();
126
127   // inline configuration
128   static void static_set_a8sio_tag(device_t &device, const char *tag, const char *slottag);
129
130   virtual DECLARE_WRITE_LINE_MEMBER( motor_w );
131
132public:
133   a8sio_device  *m_a8sio;
134   const char *m_a8sio_tag;
135   const char *m_a8sio_slottag;
136};
137
138
139SLOT_INTERFACE_EXTERN(a8sio_cards);
140
141#endif
trunk/src/emu/bus/a8sio/cassette.c
r0r242654
1// license:BSD-3-Clause
2// copyright-holders:Wilbert Pol
3/***************************************************************************
4
5  cassette.h - Atari 8 bit cassette player(s)
6
7
8Known cassette players:
9- Atari XC11
10- Atari XC12 (no SIO connection for an additional device)
11
12TODO:
13- Implement cassette reading
14- Implement cassette writing
15- Add audio support
16- Add SIO connector for a next device
17
18***************************************************************************/
19
20#include "emu.h"
21#include "cassette.h"
22
23
24//**************************************************************************
25//  GLOBAL VARIABLES
26//**************************************************************************
27
28const device_type A8SIO_CASSETTE = &device_creator<a8sio_cassette_device>;
29
30static MACHINE_CONFIG_FRAGMENT( cassette )
31   MCFG_CASSETTE_ADD("cassette")
32   MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED)
33   MCFG_CASSETTE_INTERFACE("atari8bit_cass")
34MACHINE_CONFIG_END
35
36machine_config_constructor a8sio_cassette_device::device_mconfig_additions() const
37{
38   return MACHINE_CONFIG_NAME( cassette );
39}
40
41//**************************************************************************
42//  LIVE DEVICE
43//**************************************************************************
44
45a8sio_cassette_device::a8sio_cassette_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
46   : device_t(mconfig, A8SIO_CASSETTE, "Atari 8 bit cassette", tag, owner, clock, "a8sio_cass", __FILE__)
47   , device_a8sio_card_interface(mconfig, *this)
48   , m_cassette(*this, "cassette")
49{
50}
51
52a8sio_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)
53   : device_t(mconfig, type, name, tag, owner, clock, shortname, source)
54   , device_a8sio_card_interface(mconfig, *this)
55   , m_cassette(*this, "cassette")
56{
57}
58
59void a8sio_cassette_device::device_start()
60{
61   set_a8sio_device();
62}
63
64void a8sio_cassette_device::device_reset()
65{
66}
67
68WRITE_LINE_MEMBER( a8sio_cassette_device::motor_w )
69{
70   //printf("a8sio_cassette::motor_w %d\n", state);
71}
72
trunk/src/emu/bus/a8sio/cassette.h
r0r242654
1// license:BSD-3-Clause
2// copyright-holders:Wilbert Pol
3/***************************************************************************
4
5  cassette.h - Atari 8 bit cassette player(s)
6
7
8Known cassette players:
9- Atari XC11
10- Atari XC12 (no SIO connection for an additional device)
11
12***************************************************************************/
13
14#pragma once
15
16#ifndef __A8SIO_CASSETTE_H_
17#define __A8SIO_CASSETTE_H_
18
19
20#include "a8sio.h"
21#include "imagedev/cassette.h"
22
23
24class a8sio_cassette_device
25   : public device_t
26   , public device_a8sio_card_interface
27{
28public:
29   // construction/destruction
30   a8sio_cassette_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
31   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);
32
33   // optional information overrides
34   virtual machine_config_constructor device_mconfig_additions() const;
35
36   virtual DECLARE_WRITE_LINE_MEMBER( motor_w );
37
38protected:
39   virtual void device_start();
40   virtual void device_reset();
41
42   required_device<cassette_image_device> m_cassette;
43};
44
45// device type definition
46extern const device_type A8SIO_CASSETTE;
47
48
49#endif
trunk/src/emu/bus/bus.mak
r242653r242654
4545
4646#-------------------------------------------------
4747#
48#@src/emu/bus/a8sio/a8sio.h,BUSES += A8SIO
49#-------------------------------------------------
50
51ifneq ($(filter A8SIO,$(BUSES)),)
52OBJDIRS += $(BUSOBJ)/a8sio
53BUSOBJS += $(BUSOBJ)/a8sio/a8sio.o
54BUSOBJS += $(BUSOBJ)/a8sio/cassette.o
55endif
56
57
58#-------------------------------------------------
59#
4860#@src/emu/bus/abcbus/abcbus.h,BUSES += ABCBUS
4961#-------------------------------------------------
5062
trunk/src/mess/drivers/atari400.c
r242653r242654
4848#include "machine/atarifdc.h"
4949#include "bus/a800/a800_slot.h"
5050#include "bus/a800/a800_carts.h"
51#include "bus/a8sio/a8sio.h"
5152
5253
5354/******************************************************************************
r242653r242654
20752076 *
20762077 **************************************************************/
20772078
2079
20782080static MACHINE_CONFIG_START( atari_common_nodac, a400_state )
20792081   /* basic machine hardware */
20802082   MCFG_CPU_ADD("maincpu", M6502, FREQ_17_EXACT)
r242653r242654
20942096   MCFG_DEVICE_ADD("pia", PIA6821, 0)
20952097   MCFG_PIA_READPA_HANDLER(IOPORT("djoy_0_1"))
20962098   MCFG_PIA_READPB_HANDLER(IOPORT("djoy_2_3"))
2099   MCFG_PIA_CA2_HANDLER(DEVWRITELINE("a8sio", a8sio_device, motor_w))
20972100   MCFG_PIA_CB2_HANDLER(DEVWRITELINE("fdc", atari_fdc_device, pia_cb2_w))
20982101
2102   MCFG_DEVICE_ADD("a8sio", A8SIO, 0)
2103   MCFG_A8SIO_SLOT_ADD("a8sio", "sio", NULL)
2104
20992105   /* sound hardware */
21002106   MCFG_SPEAKER_STANDARD_MONO("mono")
21012107   MCFG_SOUND_ADD("pokey", POKEY, FREQ_17_EXACT)
trunk/src/mess/mess.mak
r242653r242654
570570BUSES += A2BUS
571571BUSES += A7800
572572BUSES += A800
573BUSES += A8SIO
573574BUSES += ABCBUS
574575BUSES += ABCKB
575576BUSES += ADAM

https://github.com/mamedev/mame/commit/b3932b60cb6d2aff391aa8f8b01d64f0e785c8f3

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