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r19639 Tuesday 18th December, 2012 at 01:58:22 UTC by Angelo Salese
Another magician trick, this time with PC-9801-118 (preliminary)
[src/mess]mess.mak
[src/mess/drivers]pc9801.c
[src/mess/machine]pc9801_118.c* pc9801_118.h* pc9801_26.h pc9801_86.c pc9801_86.h

trunk/src/mess/machine/pc9801_26.h
r19638r19639
1313#include "machine/pic8259.h"
1414#include "sound/2203intf.h"
1515
16#define MCFG_PC9801_26_SLOT_ADD(_tag, _slot_intf, _def_slot, _def_inp) \
17    MCFG_DEVICE_ADD(_tag, PC9801_26, 0) \
18   MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, _def_inp, false)
1916
20
2117//**************************************************************************
2218//  TYPE DEFINITIONS
2319//**************************************************************************
trunk/src/mess/machine/pc9801_86.c
r19638r19639
55   Almost the same thing as PC-9801-86, but this one has YM2608 instead of
66   YM2203
77
8   TODO:
9   - i/o port base jumper
10
811***************************************************************************/
912
1013#include "emu.h"
trunk/src/mess/machine/pc9801_86.h
r19638r19639
11/***************************************************************************
22
3Template for skeleton device
3   NEC PC-9801-86
44
55***************************************************************************/
66
r19638r19639
1313#include "machine/pic8259.h"
1414#include "sound/2608intf.h"
1515
16#define MCFG_PC9801_86_SLOT_ADD(_tag, _slot_intf, _def_slot, _def_inp) \
17    MCFG_DEVICE_ADD(_tag, PC9801_86, 0) \
18   MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, _def_inp, false)
19
20
2116//**************************************************************************
2217//  TYPE DEFINITIONS
2318//**************************************************************************
trunk/src/mess/machine/pc9801_118.c
r0r19639
1/***************************************************************************
2
3   NEC PC-9801-118 sound card
4
5   YMF288 + some extra ports
6
7   TODO:
8   - preliminary, presumably needs CS-4231 too
9
10***************************************************************************/
11
12#include "emu.h"
13#include "machine/pc9801_118.h"
14#include "machine/pic8259.h"
15#include "sound/2608intf.h"
16
17#define MAIN_CLOCK_X1 XTAL_1_9968MHz
18
19//**************************************************************************
20//  GLOBAL VARIABLES
21//**************************************************************************
22
23// device type definition
24const device_type PC9801_118 = &device_creator<pc9801_118_device>;
25
26
27READ8_MEMBER(pc9801_118_device::opn_porta_r)
28{
29   if(m_joy_sel == 0x80)
30      return ioport("OPNA_PA1")->read();
31
32   if(m_joy_sel == 0xc0)
33      return ioport("OPNA_PA2")->read();
34
35//  0x81?
36//  printf("%02x\n",m_joy_sel);
37   return 0xff;
38}
39
40WRITE8_MEMBER(pc9801_118_device::opn_portb_w){ m_joy_sel = data; }
41
42static void pc9801_sound_irq( device_t *device, int irq )
43{
44//  pc9801_state *state = device->machine().driver_data<pc9801_state>();
45
46   /* TODO: seems to die very often */
47   pic8259_ir4_w(device->machine().device("pic8259_slave"), irq);
48}
49
50static const ym2608_interface pc98_ym2608_intf =
51{
52   {
53      AY8910_LEGACY_OUTPUT,
54      AY8910_DEFAULT_LOADS,
55      DEVCB_DEVICE_MEMBER(DEVICE_SELF_OWNER, pc9801_118_device,opn_porta_r),
56      DEVCB_NULL,//(pc9801_state,opn_portb_r),
57      DEVCB_NULL,//(pc9801_state,opn_porta_w),
58      DEVCB_DEVICE_MEMBER(DEVICE_SELF_OWNER, pc9801_118_device,opn_portb_w),
59   },
60   pc9801_sound_irq
61};
62
63static MACHINE_CONFIG_FRAGMENT( pc9801_118_config )
64   MCFG_SPEAKER_STANDARD_MONO("mono")
65   MCFG_SOUND_ADD("opn3", YM2608, MAIN_CLOCK_X1*4) // actually YMF288, unknown clock / divider
66   MCFG_SOUND_CONFIG(pc98_ym2608_intf)
67   MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
68MACHINE_CONFIG_END
69
70//-------------------------------------------------
71//  machine_config_additions - device-specific
72//  machine configurations
73//-------------------------------------------------
74
75machine_config_constructor pc9801_118_device::device_mconfig_additions() const
76{
77   return MACHINE_CONFIG_NAME( pc9801_118_config );
78}
79
80
81//-------------------------------------------------
82//  input_ports - device-specific input ports
83//-------------------------------------------------
84
85static INPUT_PORTS_START( pc9801_118 )
86   PORT_START("OPNA_PA1")
87   PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1) PORT_NAME("P1 Joystick Up")
88   PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1) PORT_NAME("P1 Joystick Down")
89   PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1) PORT_NAME("P1 Joystick Left")
90   PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1) PORT_NAME("P1 Joystick Right")
91   PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_NAME("P1 Joystick Button 1")
92   PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_NAME("P1 Joystick Button 2")
93   PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )
94
95   PORT_START("OPNA_PA2")
96   PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) PORT_NAME("P2 Joystick Up")
97   PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) PORT_NAME("P2 Joystick Down")
98   PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) PORT_NAME("P2 Joystick Left")
99   PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) PORT_NAME("P2 Joystick Right")
100   PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_NAME("P2 Joystick Button 1")
101   PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_NAME("P2 Joystick Button 2")
102   PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )
103INPUT_PORTS_END
104
105ioport_constructor pc9801_118_device::device_input_ports() const
106{
107   return INPUT_PORTS_NAME( pc9801_118 );
108}
109
110//**************************************************************************
111//  LIVE DEVICE
112//**************************************************************************
113
114//-------------------------------------------------
115//  pc9801_118_device - constructor
116//-------------------------------------------------
117
118pc9801_118_device::pc9801_118_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
119   : device_t(mconfig, PC9801_118, "pc9801_118", tag, owner, clock),
120//      m_maincpu(*owner, "maincpu"),
121      m_opn3(*this, "opn3")
122{
123
124}
125
126
127//-------------------------------------------------
128//  device_validity_check - perform validity checks
129//  on this device
130//-------------------------------------------------
131
132void pc9801_118_device::device_validity_check(validity_checker &valid) const
133{
134}
135
136//-------------------------------------------------
137//  device_start - device-specific startup
138//-------------------------------------------------
139
140void pc9801_118_device::install_device(offs_t start, offs_t end, offs_t mask, offs_t mirror, read8_delegate rhandler, write8_delegate whandler)
141{
142   int buswidth = machine().firstcpu->space_config(AS_IO)->m_databus_width;
143   switch(buswidth)
144   {
145      case 8:
146         machine().firstcpu->space(AS_IO).install_readwrite_handler(start, end, mask, mirror, rhandler, whandler, 0);
147         break;
148      case 16:
149         machine().firstcpu->space(AS_IO).install_readwrite_handler(start, end, mask, mirror, rhandler, whandler, 0xffff);
150         break;
151      case 32:
152         machine().firstcpu->space(AS_IO).install_readwrite_handler(start, end, mask, mirror, rhandler, whandler, 0xffffffff);
153         break;
154      default:
155         fatalerror("PC-9801-118: Bus width %d not supported\n", buswidth);
156         break;
157   }
158}
159
160
161void pc9801_118_device::device_start()
162{
163   install_device(0x0188, 0x018f, 0, 0, read8_delegate(FUNC(pc9801_118_device::pc9801_118_r), this), write8_delegate(FUNC(pc9801_118_device::pc9801_118_w), this) );
164   install_device(0xa460, 0xa463, 0, 0, read8_delegate(FUNC(pc9801_118_device::pc9801_118_ext_r), this), write8_delegate(FUNC(pc9801_118_device::pc9801_118_ext_w), this) );
165}
166
167
168//-------------------------------------------------
169//  device_reset - device-specific reset
170//-------------------------------------------------
171
172void pc9801_118_device::device_reset()
173{
174   m_ext_reg = 1; // TODO: enabled or disabled?
175}
176
177
178//**************************************************************************
179//  READ/WRITE HANDLERS
180//**************************************************************************
181
182
183READ8_MEMBER(pc9801_118_device::pc9801_118_r)
184{
185   if(((offset & 5) == 0) || m_ext_reg)
186      return ym2608_r(m_opn3, space, offset >> 1);
187   else // odd
188   {
189      //printf("PC9801-118: Read to undefined port [%02x]\n",offset+0x188);
190      return 0xff;
191   }
192}
193
194
195WRITE8_MEMBER(pc9801_118_device::pc9801_118_w)
196{
197   if(((offset & 5) == 0) || m_ext_reg)
198      ym2608_w(m_opn3,space, offset >> 1,data);
199   //else // odd
200   //   printf("PC9801-118: Write to undefined port [%02x] %02x\n",offset+0x188,data);
201}
202
203READ8_MEMBER( pc9801_118_device::pc9801_118_ext_r )
204{
205   if(offset == 0)
206   {
207      printf("OPN3 EXT read ID [%02x]\n",offset);
208      return 0x80 | (m_ext_reg & 1);
209   }
210
211   printf("OPN3 EXT read unk [%02x]\n",offset);
212   return 0xff;
213}
214
215WRITE8_MEMBER( pc9801_118_device::pc9801_118_ext_w )
216{
217   if(offset == 0)
218   {
219      m_ext_reg = data & 1;
220      /* TODO: apparently writing a 1 doubles the available channels (and presumably enables CS-4231 too) */
221      if(data)
222         printf("PC-9801-118: extended register %02x write\n",data);
223      return;
224   }
225
226   printf("OPN3 EXT write unk %02x -> [%02x]\n",data,offset);
227}
trunk/src/mess/machine/pc9801_118.h
r0r19639
1/***************************************************************************
2
3   NEC PC-9801-118
4
5***************************************************************************/
6
7
8#pragma once
9
10#ifndef __PC9801_118DEV_H__
11#define __PC9801_118DEV_H__
12
13#include "machine/pic8259.h"
14#include "sound/2608intf.h"
15
16
17//**************************************************************************
18//  TYPE DEFINITIONS
19//**************************************************************************
20
21// ======================> pc9801_118_device
22
23class pc9801_118_device : public device_t
24{
25public:
26   // construction/destruction
27   pc9801_118_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
28
29   // optional information overrides
30   virtual machine_config_constructor device_mconfig_additions() const;
31   virtual ioport_constructor device_input_ports() const;
32
33   DECLARE_READ8_MEMBER(opn_porta_r);
34   DECLARE_WRITE8_MEMBER(opn_portb_w);
35   DECLARE_READ8_MEMBER(pc9801_118_r);
36   DECLARE_WRITE8_MEMBER(pc9801_118_w);
37   DECLARE_READ8_MEMBER(pc9801_118_ext_r);
38   DECLARE_WRITE8_MEMBER(pc9801_118_ext_w);
39
40//   required_device<cpu_device>  m_maincpu;
41   required_device<ym2608_device>  m_opn3;
42protected:
43   // device-level overrides
44   virtual void device_validity_check(validity_checker &valid) const;
45   virtual void device_start();
46   virtual void device_reset();
47   virtual void device_config_complete() { m_shortname = "pc9801_118"; }
48   void install_device(offs_t start, offs_t end, offs_t mask, offs_t mirror, read8_delegate rhandler, write8_delegate whandler);
49
50private:
51   UINT8 m_joy_sel;
52   UINT8 m_ext_reg;
53};
54
55
56// device type definition
57extern const device_type PC9801_118;
58
59
60
61//**************************************************************************
62//  GLOBAL VARIABLES
63//**************************************************************************
64
65
66
67#endif
trunk/src/mess/drivers/pc9801.c
r19638r19639
329329#include "formats/pc98fdi_dsk.h"
330330#include "machine/pc9801_26.h"
331331#include "machine/pc9801_86.h"
332#include "machine/pc9801_118.h"
332333#include "machine/pc9801_cbus.h"
333334
334335
r19638r19639
32833284//   PC-9801-86
32843285//   PC-9801-26 + PC-9801-86 (?)
32853286//   PC-9801-86 + Chibi-Oto
3286//   PC-9801-118
3287   SLOT_INTERFACE( "pc9801_118", PC9801_118 )
32873288//   Speak Board
32883289//   Spark Board
32893290//   AMD-98 (AmuseMent boarD)
r19638r19639
35893590MACHINE_CONFIG_END
35903591
35913592static MACHINE_CONFIG_FRAGMENT( pc9801_cbus )
3592   MCFG_PC9801CBUS_SLOT_ADD("cbus0", pc9801_cbus, NULL, NULL)
3593   MCFG_PC9801CBUS_SLOT_ADD("cbus0", pc9801_cbus, "pc9801_26", NULL)
35933594//   TODO: six max slots
35943595MACHINE_CONFIG_END
35953596
trunk/src/mess/mess.mak
r19638r19639
14731473$(MESSOBJ)/pc9801.a:         \
14741474   $(MESS_MACHINE)/pc9801_26.o   \
14751475   $(MESS_MACHINE)/pc9801_86.o   \
1476   $(MESS_MACHINE)/pc9801_118.o   \
14761477   $(MESS_MACHINE)/pc9801_cbus.o   \
14771478
14781479$(MESSOBJ)/pcshare.a:         \

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