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r17959 Monday 17th September, 2012 at 06:37:37 UTC by Miodrag Milanović
ATI Stereo F/X ISA card support [Carl]
[src/mess]mess.mak
[src/mess/drivers]at.c
[src/mess/includes]at.h
[src/mess/machine]isa_stereo_fx.c* isa_stereo_fx.h*

trunk/src/mess/machine/isa_stereo_fx.c
r0r17959
1// ATI Stereo F/X
2//
3// TODO: UART is connected to MIDI port
4
5#include "isa_stereo_fx.h"
6
7const device_type ISA8_STEREO_FX = &device_creator<stereo_fx_device>;
8
9static const ym3812_interface pc_ym3812_interface =
10{
11   NULL
12};
13
14READ8_MEMBER( stereo_fx_device::dev_dsp_data_r )
15{
16   m_data_in = false;
17   return m_in_byte;
18}
19
20WRITE8_MEMBER( stereo_fx_device::dev_dsp_data_w )
21{
22   m_data_out = true;
23   m_out_byte = data;
24}
25
26// port 1 is the left DAC but is written and read bitwise during capture
27READ8_MEMBER( stereo_fx_device::p1_r )
28{
29   return 0x80;
30}
31
32READ8_MEMBER( stereo_fx_device::p3_r )
33{
34   UINT8 ret = 0;
35
36   ret |= m_data_out << 2;   // INT0
37   ret |= m_data_in << 3;   // INT1
38   ret |= m_t0 << 4; // T0
39   ret |= m_t1 << 5; // T1
40   return ret;
41}
42
43WRITE8_MEMBER( stereo_fx_device::p3_w )
44{
45   m_t1 = (data & 0x20)&&1;
46}
47
48WRITE8_MEMBER( stereo_fx_device::dev_host_irq_w )
49{
50   m_isa->irq5_w(1);
51}
52
53WRITE8_MEMBER( stereo_fx_device::raise_drq_w )
54{
55   m_isa->drq1_w(1);
56}
57
58/* port 0x20 - in ROM (usually) stored in RAM 0x22
59 * bit0 -
60 * bit1 -
61 * bit2 -
62 * bit3 -
63 * bit4 -
64 * bit5 -
65 * bit6 -
66 * bit7 -
67*/
68WRITE8_MEMBER( stereo_fx_device::port20_w )
69{
70   m_port20 = data;
71}
72
73/* port 0x00 - in ROM (usually) stored in RAM 0x21
74 * bit0 - bits 0-4 related to sample rate
75 * bit1 - are set to 0x09-0x1e
76 * bit2 -
77 * bit3 -
78 * bit4 -
79 * bit5 -
80 * bit6 -
81 * bit7 -
82*/
83WRITE8_MEMBER( stereo_fx_device::port00_w )
84{
85   m_port00 = data;
86}
87
88ROM_START( stereo_fx )
89    ROM_REGION( 0x8000, "stereo_fx_cpu", 0 )
90   ROM_LOAD("ati_stereo_fx.bin", 0x0000, 0x8000, CRC(1BEBFFA6) SHA1(e66c2619a6c05199554b5702d67877ae3799d415))
91ROM_END
92
93static ADDRESS_MAP_START(stereo_fx_io, AS_IO, 8, stereo_fx_device)
94   AM_RANGE(0xFF00, 0xFF00) AM_WRITE(port00_w)
95   AM_RANGE(0xFF10, 0xFF10) AM_DEVWRITE("dacr", dac_device, write_unsigned8)
96   AM_RANGE(0xFF20, 0xFF20) AM_WRITE(port20_w)
97   //AM_RANGE(0xFF30, 0xFF30) AM_WRITE()  //  used only on reset and undocumented cmd 0xc4
98   AM_RANGE(0xFF40, 0xFF40) AM_READWRITE(dev_dsp_data_r, dev_dsp_data_w)
99   AM_RANGE(0xFF50, 0xFF50) AM_WRITE(raise_drq_w)
100   AM_RANGE(0xFF60, 0xFF60) AM_WRITE(dev_host_irq_w)
101   AM_RANGE(MCS51_PORT_P1, MCS51_PORT_P1) AM_READ(p1_r) AM_DEVWRITE("dacl", dac_device, write_unsigned8)
102   AM_RANGE(MCS51_PORT_P3, MCS51_PORT_P3) AM_READWRITE(p3_r, p3_w)
103ADDRESS_MAP_END
104
105static ADDRESS_MAP_START(stereo_fx_rom, AS_PROGRAM, 8, stereo_fx_device)
106   AM_RANGE(0x0000, 0x7fff) AM_ROM
107ADDRESS_MAP_END
108
109static MACHINE_CONFIG_FRAGMENT( stereo_fx )
110   MCFG_CPU_ADD("stereo_fx_cpu", I80C31, XTAL_30MHz)
111   MCFG_CPU_IO_MAP(stereo_fx_io)
112   MCFG_CPU_PROGRAM_MAP(stereo_fx_rom)
113
114   MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
115   MCFG_SOUND_ADD("ym3812", YM3812, XTAL_3_579545MHz)
116   MCFG_SOUND_CONFIG(pc_ym3812_interface)
117   MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.00)
118   MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.00)
119   /* no CM/S support (empty sockets) */
120
121   MCFG_SOUND_ADD("dacl", DAC, 0)
122    MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.00)
123   MCFG_SOUND_ADD("dacr", DAC, 0)
124    MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.00)
125
126   MCFG_PC_JOY_ADD("joy")
127MACHINE_CONFIG_END
128
129const rom_entry *stereo_fx_device::device_rom_region() const
130{
131   return ROM_NAME( stereo_fx );
132}
133
134machine_config_constructor stereo_fx_device::device_mconfig_additions() const
135{
136   return MACHINE_CONFIG_NAME( stereo_fx );
137}
138
139READ8_MEMBER( stereo_fx_device::dsp_data_r )
140{
141   m_data_out = false;
142   return m_out_byte;
143}
144
145WRITE8_MEMBER( stereo_fx_device::dsp_cmd_w )
146{
147   m_data_in = true;
148   m_in_byte = data;
149}
150
151UINT8 stereo_fx_device::dack_r(int line)
152{
153   m_data_out = false;
154   m_isa->drq1_w(0);
155   return m_out_byte;
156}
157
158void stereo_fx_device::dack_w(int line, UINT8 data)
159{
160   m_data_in = true;
161   m_isa->drq1_w(0);
162   m_in_byte = data;
163}
164
165WRITE8_MEMBER( stereo_fx_device::dsp_reset_w )
166{
167   device_reset();
168   m_cpu->set_input_line(INPUT_LINE_RESET, PULSE_LINE);
169}
170
171READ8_MEMBER( stereo_fx_device::dsp_wbuf_status_r )
172{
173   return m_data_in << 7;
174}
175
176READ8_MEMBER( stereo_fx_device::dsp_rbuf_status_r )
177{
178   m_isa->irq5_w(0);
179   return m_data_out << 7;
180}
181
182WRITE8_MEMBER( stereo_fx_device::invalid_w )
183{
184   logerror("stereo fx: invalid port write\n");
185}
186
187READ8_MEMBER( stereo_fx_device::invalid_r )
188{
189   logerror("stereo fx: invalid port write\n");
190   return 0xff;
191}
192
193stereo_fx_device::stereo_fx_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
194    device_t(mconfig, ISA8_STEREO_FX, "ATI Stereo F/X Audio Adapter", tag, owner, clock),
195   device_isa8_card_interface(mconfig, *this),
196    m_dacl(*this, "dacl"),
197    m_dacr(*this, "dacr"),
198   m_joy(*this, "joy"),
199   m_cpu(*this, "stereo_fx_cpu")
200{
201   m_t1 = 0;
202}
203
204void stereo_fx_device::device_config_complete()
205{
206   m_shortname = "stereo_fx";
207}
208
209void stereo_fx_device::device_start()
210{
211   set_isa_device();
212   m_isa->install_device(0x0200, 0x0207, 0, 0, read8_delegate(FUNC(pc_joy_device::joy_port_r), subdevice<pc_joy_device>("joy")), write8_delegate(FUNC(pc_joy_device::joy_port_w), subdevice<pc_joy_device>("joy")));
213   m_isa->install_device(0x0226, 0x0227, 0, 0, read8_delegate(FUNC(stereo_fx_device::invalid_r), this), write8_delegate(FUNC(stereo_fx_device::dsp_reset_w), this));
214   m_isa->install_device(0x022a, 0x022b, 0, 0, read8_delegate(FUNC(stereo_fx_device::dsp_data_r), this), write8_delegate(FUNC(stereo_fx_device::invalid_w), this) );
215   m_isa->install_device(0x022c, 0x022d, 0, 0, read8_delegate(FUNC(stereo_fx_device::dsp_wbuf_status_r), this), write8_delegate(FUNC(stereo_fx_device::dsp_cmd_w), this) );
216   m_isa->install_device(0x022e, 0x022f, 0, 0, read8_delegate(FUNC(stereo_fx_device::dsp_rbuf_status_r), this), write8_delegate(FUNC(stereo_fx_device::invalid_w), this) );
217   m_isa->install_device(subdevice("ym3812"),    0x0388, 0x0389, 0, 0, FUNC(ym3812_r), FUNC(ym3812_w) );
218   m_isa->install_device(subdevice("ym3812"),    0x0228, 0x0229, 0, 0, FUNC(ym3812_r), FUNC(ym3812_w) );
219   m_timer = timer_alloc();
220   m_timer->adjust(attotime::from_hz(2000000), 0, attotime::from_hz(2000000));
221   m_isa->set_dma_channel(1, this, FALSE);
222}
223
224
225void stereo_fx_device::device_reset()
226{
227   m_isa->drq1_w(0);
228   m_isa->irq5_w(0);
229   m_data_out = false;
230   m_data_in = false;
231   m_port20 = 0;
232   m_port00 = 0;
233   m_t0 = CLEAR_LINE;
234}
235
236void stereo_fx_device::device_timer(emu_timer &timer, device_timer_id tid, int param, void *ptr)
237{
238   m_t0 = !m_t0;
239   m_cpu->set_input_line(MCS51_T0_LINE, m_t0);
240}
trunk/src/mess/machine/isa_stereo_fx.h
r0r17959
1#ifndef __STEREO_FX__
2#define __STEREO_FX__
3
4#include "emu.h"
5#include "machine/isa.h"
6#include "sound/dac.h"
7#include "machine/pc_joy.h"
8#include "cpu/mcs51/mcs51.h"
9#include "sound/3812intf.h"
10
11//*********************************************************************
12//   TYPE DEFINITIONS
13//*********************************************************************
14
15// ====================> stereo_fx_device
16
17class stereo_fx_device : public device_t,
18                       public device_isa8_card_interface
19{
20public:
21   // construction/destruction
22   stereo_fx_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
23
24   // optional information overrides
25   virtual const rom_entry *device_rom_region() const;
26   virtual machine_config_constructor device_mconfig_additions() const;
27
28   required_device<dac_device> m_dacl;
29   required_device<dac_device> m_dacr;
30   required_device<pc_joy_device> m_joy;
31   required_device<cpu_device> m_cpu;
32
33   // mcu ports
34   DECLARE_READ8_MEMBER( dev_dsp_data_r );
35   DECLARE_WRITE8_MEMBER( dev_dsp_data_w );
36   DECLARE_READ8_MEMBER( p1_r );
37   DECLARE_READ8_MEMBER( p3_r );
38   DECLARE_WRITE8_MEMBER( p3_w );
39   DECLARE_WRITE8_MEMBER( dev_host_irq_w );
40   DECLARE_WRITE8_MEMBER( raise_drq_w );
41   DECLARE_WRITE8_MEMBER( port20_w );
42   DECLARE_WRITE8_MEMBER( port00_w );
43
44   // host ports
45   DECLARE_READ8_MEMBER( dsp_data_r );
46   DECLARE_WRITE8_MEMBER( dsp_cmd_w );
47   DECLARE_WRITE8_MEMBER( dsp_reset_w );
48   DECLARE_READ8_MEMBER( dsp_wbuf_status_r );
49   DECLARE_READ8_MEMBER( dsp_rbuf_status_r );
50   DECLARE_READ8_MEMBER( invalid_r );
51   DECLARE_WRITE8_MEMBER( invalid_w );
52
53protected:
54   // device-level overrides
55   virtual void device_start();
56   virtual void device_reset();
57   virtual void device_config_complete();
58
59   virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
60   UINT8 dack_r(int line);
61   void dack_w(int line, UINT8 data);
62private:
63   // internal state
64   bool m_data_in;
65   UINT8 m_in_byte;
66   bool m_data_out;
67   UINT8 m_out_byte;
68
69   UINT8 m_port20;
70   UINT8 m_port00;
71   emu_timer *m_timer;
72   UINT8 m_t0;
73   UINT8 m_t1;
74};
75
76// device type definition
77
78extern const device_type ISA8_STEREO_FX;
79
80#endif
81
trunk/src/mess/includes/at.h
r17958r17959
5454#include "machine/isa_gblaster.h"
5555#include "machine/isa_hdc.h"
5656#include "machine/isa_sblaster.h"
57#include "machine/isa_stereo_fx.h"
5758#include "machine/isa_gus.h"
5859#include "machine/3c503.h"
5960#include "machine/ne1000.h"
trunk/src/mess/drivers/at.c
r17958r17959
362362   SLOT_INTERFACE("gblaster", ISA8_GAME_BLASTER)
363363   SLOT_INTERFACE("sblaster1_0", ISA8_SOUND_BLASTER_1_0)
364364   SLOT_INTERFACE("sblaster1_5", ISA8_SOUND_BLASTER_1_5)
365   SLOT_INTERFACE("stereo_fx", ISA8_STEREO_FX)
365366   SLOT_INTERFACE("ne1000", NE1000)
366367   SLOT_INTERFACE("3c503", EL2_3C503)
367368   SLOT_INTERFACE("mpu401", ISA8_MPU401)
trunk/src/mess/mess.mak
r17958r17959
14521452   $(MESS_MACHINE)/isa_ibm_mfc.o   \
14531453   $(MESS_MACHINE)/isa_mpu401.o   \
14541454   $(MESS_MACHINE)/isa_sblaster.o   \
1455   $(MESS_MACHINE)/isa_stereo_fx.o   \
14551456   $(MESS_MACHINE)/isa_ide.o   \
14561457   $(MESS_MACHINE)/isa_ide_cd.o   \
14571458   $(MESS_MACHINE)/isa_aha1542.o   \

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