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https://github.com/holub/mame
synced 2025-04-23 00:39:36 +03:00
ATI Stereo F/X ISA card support [Carl]
This commit is contained in:
Miodrag Milanovic
parent
f18ba655cc
commit
f97e8f0081
2
.gitattributes
vendored
2
.gitattributes
vendored
@ -6784,6 +6784,8 @@ src/mess/machine/isa_mpu401.c svneol=native#text/plain
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src/mess/machine/isa_mpu401.h svneol=native#text/plain
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src/mess/machine/isa_sblaster.c svneol=native#text/plain
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src/mess/machine/isa_sblaster.h svneol=native#text/plain
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src/mess/machine/isa_stereo_fx.c svneol=native#text/plain
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src/mess/machine/isa_stereo_fx.h svneol=native#text/plain
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src/mess/machine/isa_wdxt_gen.c svneol=native#text/plain
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src/mess/machine/isa_wdxt_gen.h svneol=native#text/plain
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src/mess/machine/k7659kb.c svneol=native#text/plain
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@ -362,6 +362,7 @@ static SLOT_INTERFACE_START(pc_isa16_cards)
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SLOT_INTERFACE("gblaster", ISA8_GAME_BLASTER)
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SLOT_INTERFACE("sblaster1_0", ISA8_SOUND_BLASTER_1_0)
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SLOT_INTERFACE("sblaster1_5", ISA8_SOUND_BLASTER_1_5)
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SLOT_INTERFACE("stereo_fx", ISA8_STEREO_FX)
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SLOT_INTERFACE("ne1000", NE1000)
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SLOT_INTERFACE("3c503", EL2_3C503)
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SLOT_INTERFACE("mpu401", ISA8_MPU401)
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@ -54,6 +54,7 @@
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#include "machine/isa_gblaster.h"
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#include "machine/isa_hdc.h"
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#include "machine/isa_sblaster.h"
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#include "machine/isa_stereo_fx.h"
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#include "machine/isa_gus.h"
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#include "machine/3c503.h"
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#include "machine/ne1000.h"
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240
src/mess/machine/isa_stereo_fx.c
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240
src/mess/machine/isa_stereo_fx.c
Normal file
@ -0,0 +1,240 @@
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// ATI Stereo F/X
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//
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// TODO: UART is connected to MIDI port
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#include "isa_stereo_fx.h"
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const device_type ISA8_STEREO_FX = &device_creator<stereo_fx_device>;
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static const ym3812_interface pc_ym3812_interface =
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{
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NULL
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};
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READ8_MEMBER( stereo_fx_device::dev_dsp_data_r )
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{
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m_data_in = false;
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return m_in_byte;
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}
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WRITE8_MEMBER( stereo_fx_device::dev_dsp_data_w )
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{
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m_data_out = true;
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m_out_byte = data;
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}
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// port 1 is the left DAC but is written and read bitwise during capture
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READ8_MEMBER( stereo_fx_device::p1_r )
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{
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return 0x80;
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}
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READ8_MEMBER( stereo_fx_device::p3_r )
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{
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UINT8 ret = 0;
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ret |= m_data_out << 2; // INT0
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ret |= m_data_in << 3; // INT1
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ret |= m_t0 << 4; // T0
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ret |= m_t1 << 5; // T1
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return ret;
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}
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WRITE8_MEMBER( stereo_fx_device::p3_w )
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{
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m_t1 = (data & 0x20)&&1;
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}
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WRITE8_MEMBER( stereo_fx_device::dev_host_irq_w )
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{
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m_isa->irq5_w(1);
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}
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WRITE8_MEMBER( stereo_fx_device::raise_drq_w )
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{
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m_isa->drq1_w(1);
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}
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/* port 0x20 - in ROM (usually) stored in RAM 0x22
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* bit0 -
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* bit1 -
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* bit2 -
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* bit3 -
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* bit4 -
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* bit5 -
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* bit6 -
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* bit7 -
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*/
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WRITE8_MEMBER( stereo_fx_device::port20_w )
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{
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m_port20 = data;
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}
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/* port 0x00 - in ROM (usually) stored in RAM 0x21
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* bit0 - bits 0-4 related to sample rate
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* bit1 - are set to 0x09-0x1e
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* bit2 -
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* bit3 -
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* bit4 -
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* bit5 -
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* bit6 -
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* bit7 -
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*/
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WRITE8_MEMBER( stereo_fx_device::port00_w )
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{
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m_port00 = data;
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}
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ROM_START( stereo_fx )
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ROM_REGION( 0x8000, "stereo_fx_cpu", 0 )
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ROM_LOAD("ati_stereo_fx.bin", 0x0000, 0x8000, CRC(1BEBFFA6) SHA1(e66c2619a6c05199554b5702d67877ae3799d415))
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ROM_END
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static ADDRESS_MAP_START(stereo_fx_io, AS_IO, 8, stereo_fx_device)
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AM_RANGE(0xFF00, 0xFF00) AM_WRITE(port00_w)
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AM_RANGE(0xFF10, 0xFF10) AM_DEVWRITE("dacr", dac_device, write_unsigned8)
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AM_RANGE(0xFF20, 0xFF20) AM_WRITE(port20_w)
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//AM_RANGE(0xFF30, 0xFF30) AM_WRITE() // used only on reset and undocumented cmd 0xc4
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AM_RANGE(0xFF40, 0xFF40) AM_READWRITE(dev_dsp_data_r, dev_dsp_data_w)
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AM_RANGE(0xFF50, 0xFF50) AM_WRITE(raise_drq_w)
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AM_RANGE(0xFF60, 0xFF60) AM_WRITE(dev_host_irq_w)
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AM_RANGE(MCS51_PORT_P1, MCS51_PORT_P1) AM_READ(p1_r) AM_DEVWRITE("dacl", dac_device, write_unsigned8)
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AM_RANGE(MCS51_PORT_P3, MCS51_PORT_P3) AM_READWRITE(p3_r, p3_w)
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ADDRESS_MAP_END
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static ADDRESS_MAP_START(stereo_fx_rom, AS_PROGRAM, 8, stereo_fx_device)
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AM_RANGE(0x0000, 0x7fff) AM_ROM
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ADDRESS_MAP_END
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static MACHINE_CONFIG_FRAGMENT( stereo_fx )
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MCFG_CPU_ADD("stereo_fx_cpu", I80C31, XTAL_30MHz)
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MCFG_CPU_IO_MAP(stereo_fx_io)
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MCFG_CPU_PROGRAM_MAP(stereo_fx_rom)
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MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
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MCFG_SOUND_ADD("ym3812", YM3812, XTAL_3_579545MHz)
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MCFG_SOUND_CONFIG(pc_ym3812_interface)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.00)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.00)
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/* no CM/S support (empty sockets) */
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MCFG_SOUND_ADD("dacl", DAC, 0)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.00)
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MCFG_SOUND_ADD("dacr", DAC, 0)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.00)
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MCFG_PC_JOY_ADD("joy")
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MACHINE_CONFIG_END
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const rom_entry *stereo_fx_device::device_rom_region() const
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{
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return ROM_NAME( stereo_fx );
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}
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machine_config_constructor stereo_fx_device::device_mconfig_additions() const
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{
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return MACHINE_CONFIG_NAME( stereo_fx );
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}
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READ8_MEMBER( stereo_fx_device::dsp_data_r )
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{
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m_data_out = false;
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return m_out_byte;
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}
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WRITE8_MEMBER( stereo_fx_device::dsp_cmd_w )
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{
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m_data_in = true;
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m_in_byte = data;
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}
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UINT8 stereo_fx_device::dack_r(int line)
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{
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m_data_out = false;
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m_isa->drq1_w(0);
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return m_out_byte;
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}
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void stereo_fx_device::dack_w(int line, UINT8 data)
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{
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m_data_in = true;
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m_isa->drq1_w(0);
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m_in_byte = data;
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}
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WRITE8_MEMBER( stereo_fx_device::dsp_reset_w )
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{
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device_reset();
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m_cpu->set_input_line(INPUT_LINE_RESET, PULSE_LINE);
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}
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READ8_MEMBER( stereo_fx_device::dsp_wbuf_status_r )
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{
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return m_data_in << 7;
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}
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READ8_MEMBER( stereo_fx_device::dsp_rbuf_status_r )
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{
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m_isa->irq5_w(0);
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return m_data_out << 7;
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}
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WRITE8_MEMBER( stereo_fx_device::invalid_w )
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{
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logerror("stereo fx: invalid port write\n");
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}
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READ8_MEMBER( stereo_fx_device::invalid_r )
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{
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logerror("stereo fx: invalid port write\n");
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return 0xff;
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}
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stereo_fx_device::stereo_fx_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
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device_t(mconfig, ISA8_STEREO_FX, "ATI Stereo F/X Audio Adapter", tag, owner, clock),
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device_isa8_card_interface(mconfig, *this),
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m_dacl(*this, "dacl"),
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m_dacr(*this, "dacr"),
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m_joy(*this, "joy"),
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m_cpu(*this, "stereo_fx_cpu")
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{
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m_t1 = 0;
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}
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void stereo_fx_device::device_config_complete()
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{
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m_shortname = "stereo_fx";
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}
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void stereo_fx_device::device_start()
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{
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set_isa_device();
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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")));
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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));
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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) );
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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) );
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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) );
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m_isa->install_device(subdevice("ym3812"), 0x0388, 0x0389, 0, 0, FUNC(ym3812_r), FUNC(ym3812_w) );
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m_isa->install_device(subdevice("ym3812"), 0x0228, 0x0229, 0, 0, FUNC(ym3812_r), FUNC(ym3812_w) );
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m_timer = timer_alloc();
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m_timer->adjust(attotime::from_hz(2000000), 0, attotime::from_hz(2000000));
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m_isa->set_dma_channel(1, this, FALSE);
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}
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void stereo_fx_device::device_reset()
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{
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m_isa->drq1_w(0);
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m_isa->irq5_w(0);
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m_data_out = false;
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m_data_in = false;
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m_port20 = 0;
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m_port00 = 0;
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m_t0 = CLEAR_LINE;
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}
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void stereo_fx_device::device_timer(emu_timer &timer, device_timer_id tid, int param, void *ptr)
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{
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m_t0 = !m_t0;
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m_cpu->set_input_line(MCS51_T0_LINE, m_t0);
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}
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81
src/mess/machine/isa_stereo_fx.h
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81
src/mess/machine/isa_stereo_fx.h
Normal file
@ -0,0 +1,81 @@
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#ifndef __STEREO_FX__
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#define __STEREO_FX__
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#include "emu.h"
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#include "machine/isa.h"
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#include "sound/dac.h"
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#include "machine/pc_joy.h"
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#include "cpu/mcs51/mcs51.h"
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#include "sound/3812intf.h"
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//*********************************************************************
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// TYPE DEFINITIONS
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//*********************************************************************
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// ====================> stereo_fx_device
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class stereo_fx_device : public device_t,
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public device_isa8_card_interface
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{
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public:
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// construction/destruction
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stereo_fx_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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// optional information overrides
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virtual const rom_entry *device_rom_region() const;
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virtual machine_config_constructor device_mconfig_additions() const;
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required_device<dac_device> m_dacl;
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required_device<dac_device> m_dacr;
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required_device<pc_joy_device> m_joy;
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required_device<cpu_device> m_cpu;
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// mcu ports
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DECLARE_READ8_MEMBER( dev_dsp_data_r );
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DECLARE_WRITE8_MEMBER( dev_dsp_data_w );
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DECLARE_READ8_MEMBER( p1_r );
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DECLARE_READ8_MEMBER( p3_r );
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DECLARE_WRITE8_MEMBER( p3_w );
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DECLARE_WRITE8_MEMBER( dev_host_irq_w );
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DECLARE_WRITE8_MEMBER( raise_drq_w );
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DECLARE_WRITE8_MEMBER( port20_w );
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DECLARE_WRITE8_MEMBER( port00_w );
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// host ports
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DECLARE_READ8_MEMBER( dsp_data_r );
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DECLARE_WRITE8_MEMBER( dsp_cmd_w );
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DECLARE_WRITE8_MEMBER( dsp_reset_w );
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DECLARE_READ8_MEMBER( dsp_wbuf_status_r );
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DECLARE_READ8_MEMBER( dsp_rbuf_status_r );
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DECLARE_READ8_MEMBER( invalid_r );
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DECLARE_WRITE8_MEMBER( invalid_w );
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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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virtual void device_config_complete();
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virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
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UINT8 dack_r(int line);
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void dack_w(int line, UINT8 data);
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private:
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// internal state
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bool m_data_in;
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UINT8 m_in_byte;
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bool m_data_out;
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UINT8 m_out_byte;
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UINT8 m_port20;
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UINT8 m_port00;
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emu_timer *m_timer;
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UINT8 m_t0;
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UINT8 m_t1;
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};
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// device type definition
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extern const device_type ISA8_STEREO_FX;
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#endif
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@ -1452,6 +1452,7 @@ $(MESSOBJ)/pcshare.a: \
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$(MESS_MACHINE)/isa_ibm_mfc.o \
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$(MESS_MACHINE)/isa_mpu401.o \
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$(MESS_MACHINE)/isa_sblaster.o \
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$(MESS_MACHINE)/isa_stereo_fx.o \
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$(MESS_MACHINE)/isa_ide.o \
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$(MESS_MACHINE)/isa_ide_cd.o \
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$(MESS_MACHINE)/isa_aha1542.o \
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