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Diffstat (limited to 'src/mess/machine/isa_sblaster.c')
-rw-r--r--src/mess/machine/isa_sblaster.c564
1 files changed, 493 insertions, 71 deletions
diff --git a/src/mess/machine/isa_sblaster.c b/src/mess/machine/isa_sblaster.c
index 8f5c481e0c1..c5c54e3ab68 100644
--- a/src/mess/machine/isa_sblaster.c
+++ b/src/mess/machine/isa_sblaster.c
@@ -1,6 +1,6 @@
/***************************************************************************
- ISA 8 bit Creative Labs Sound Blaster Sound Card
+ ISA 8/16 bit Creative Labs Sound Blaster Sound Card
TODO:
- implement DAC
@@ -13,6 +13,7 @@
#include "isa_sblaster.h"
#include "sound/speaker.h"
#include "sound/3812intf.h"
+#include "sound/262intf.h"
#include "sound/saa1099.h"
#include "sound/dac.h"
#include "machine/pic8259.h"
@@ -35,6 +36,7 @@
jumperable? normally 0x220
*/
#define ym3812_StdClock XTAL_3_579545MHz
+#define ymf262_StdClock XTAL_14_31818MHz
static INPUT_PORTS_START( sblaster )
PORT_START("pc_joy")
@@ -51,7 +53,7 @@ static INPUT_PORTS_START( sblaster )
PORT_BIT(0xff,0x80,IPT_AD_STICK_Y) PORT_SENSITIVITY(100) PORT_KEYDELTA(1) PORT_MINMAX(1,0xff) PORT_CODE_DEC(KEYCODE_UP) PORT_CODE_INC(KEYCODE_DOWN) PORT_CODE_DEC(JOYCODE_Y_UP_SWITCH) PORT_CODE_INC(JOYCODE_Y_DOWN_SWITCH)
INPUT_PORTS_END
-ioport_constructor sb8_device::device_input_ports() const
+ioport_constructor sb_device::device_input_ports() const
{
return INPUT_PORTS_NAME( sblaster );
}
@@ -59,22 +61,22 @@ ioport_constructor sb8_device::device_input_ports() const
static const int m_cmd_fifo_length[256] =
{
/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0x */
+ -1, -1, -1, -1, 1, 3, -1, -1, -1, -1, -1, -1, -1, -1, 2, 1, /* 0x */
2, -1, -1, -1, 3, -1, -1, -1, -1, -1, -1, -1, 1, -1, -1, -1, /* 1x */
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 2x */
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 3x */
- 2, -1, -1, -1, -1, -1, -1, -1, 3, -1, -1, -1, -1, -1, -1, -1, /* 4x */
+ 2, 3, 3, -1, -1, -1, -1, -1, 3, -1, -1, -1, -1, -1, -1, -1, /* 4x */
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 5x */
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 6x */
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 7x */
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 8x */
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 9x */
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* Ax */
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* Bx */
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* Cx */
- 1, 1, -1, 1, -1, -1, -1, -1, 1, -1, -1, -1, -1, -1, -1, -1, /* Dx */
- 2, 1, 2, -1, 2, -1, -1, -1, 1, -1, -1, -1, -1, -1, -1, -1, /* Ex */
- -1, -1, 1, -1, -1, -1, -1, -1, 1, -1, -1, -1, -1, -1, -1, -1 /* Fx */
+ 4, -1, -1, -1, -1, -1, 4, -1, 4, -1, -1, -1, -1, -1, 4, -1, /* Bx */
+ 4, -1, -1, -1, -1, -1, 4, -1, 4, -1, -1, -1, -1, -1, 4, -1, /* Cx */
+ 1, 1, -1, 1, -1, 1, 1, -1, 1, 1, 1, -1, -1, -1, -1, -1, /* Dx */
+ 2, 1, 2, 1, 2, -1, -1, -1, 1, -1, -1, -1, -1, -1, -1, -1, /* Ex */
+ -1, -1, 1, -1, -1, -1, -1, -1, 1, -1, -1, -1, 1, -1, -1, -1 /* Fx */
};
static const int protection_magic[4][9] =
@@ -90,31 +92,57 @@ static const ym3812_interface pc_ym3812_interface =
NULL
};
+static const ymf262_interface pc_ymf262_interface =
+{
+ NULL
+};
+
static MACHINE_CONFIG_FRAGMENT( sblaster1_0_config )
- MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
MCFG_SOUND_ADD("ym3812", YM3812, ym3812_StdClock)
MCFG_SOUND_CONFIG(pc_ym3812_interface)
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 3.00)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 3.00)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 3.00)
MCFG_SOUND_ADD("saa1099.1", SAA1099, 4772720)
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.50)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.50)
MCFG_SOUND_ADD("saa1099.2", SAA1099, 4772720)
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.50)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.50)
- MCFG_SOUND_ADD("sbdac", DAC, 0)
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
+ MCFG_SOUND_ADD("sbdacl", DAC, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.00)
+ MCFG_SOUND_ADD("sbdacr", DAC, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.00)
MACHINE_CONFIG_END
static MACHINE_CONFIG_FRAGMENT( sblaster1_5_config )
- MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
MCFG_SOUND_ADD("ym3812", YM3812, ym3812_StdClock)
MCFG_SOUND_CONFIG(pc_ym3812_interface)
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.00)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.00)
/* no CM/S support (empty sockets) */
- MCFG_SOUND_ADD("sbdac", DAC, 0)
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
+ MCFG_SOUND_ADD("sbdacl", DAC, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.00)
+ MCFG_SOUND_ADD("sbdacr", DAC, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.00)
MACHINE_CONFIG_END
+static MACHINE_CONFIG_FRAGMENT( sblaster_16_config )
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+ MCFG_SOUND_ADD("ymf262", YMF262, ymf262_StdClock)
+ MCFG_SOUND_CONFIG(pc_ymf262_interface)
+ MCFG_SOUND_ROUTE(0, "lspeaker", 1.00)
+ MCFG_SOUND_ROUTE(1, "rspeaker", 1.00)
+ MCFG_SOUND_ROUTE(2, "lspeaker", 1.00)
+ MCFG_SOUND_ROUTE(3, "rspeaker", 1.00)
+ MCFG_SOUND_ADD("sbdacl", DAC, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.00)
+ MCFG_SOUND_ADD("sbdacr", DAC, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.00)
+MACHINE_CONFIG_END
static READ8_DEVICE_HANDLER( ym3812_16_r )
{
@@ -149,7 +177,7 @@ static WRITE8_DEVICE_HANDLER( saa1099_16_w )
}
}
-void sb8_device::queue(UINT8 data)
+void sb_device::queue(UINT8 data)
{
if (m_dsp.fifo_ptr < 15)
{
@@ -164,11 +192,11 @@ void sb8_device::queue(UINT8 data)
}
}
-void sb8_device::queue_r(UINT8 data)
+void sb_device::queue_r(UINT8 data)
{
m_dsp.rbuf_status |= 0x80;
- if (m_dsp.fifo_r_ptr < 15)
+ if (m_dsp.fifo_r_ptr < 52)
{
m_dsp.fifo_r[m_dsp.fifo_r_ptr] = data;
@@ -181,16 +209,16 @@ void sb8_device::queue_r(UINT8 data)
}
}
-UINT8 sb8_device::dequeue_r()
+UINT8 sb_device::dequeue_r()
{
UINT8 data = m_dsp.fifo_r[0];
if (m_dsp.fifo_r_ptr > 0)
{
- for (int i = 0; i < 15; i++)
+ for (int i = 0; i < 51; i++)
m_dsp.fifo_r[i] = m_dsp.fifo_r[i + 1];
- m_dsp.fifo_r[15] = 0;
+ m_dsp.fifo_r[51] = 0;
m_dsp.fifo_r_ptr--;
}
@@ -202,7 +230,7 @@ UINT8 sb8_device::dequeue_r()
}
-READ8_MEMBER( sb8_device::dsp_reset_r )
+READ8_MEMBER( sb_device::dsp_reset_r )
{
// printf("read DSP reset @ %x\n", offset);
if(offset)
@@ -211,7 +239,7 @@ READ8_MEMBER( sb8_device::dsp_reset_r )
return 0xff;
}
-WRITE8_MEMBER( sb8_device::dsp_reset_w )
+WRITE8_MEMBER( sb_device::dsp_reset_w )
{
// printf("%02x to DSP reset @ %x\n", data, offset);
if(offset)
@@ -231,9 +259,9 @@ WRITE8_MEMBER( sb8_device::dsp_reset_w )
}
m_dsp.reset_latch = data;
- m_isa->drq1_w(0);
+ drq_w(0);
m_dsp.dma_autoinit = 0;
- m_isa->irq5_w(0);
+ irq_w(0, IRQ_ALL);
m_timer->adjust(attotime::never, 0);
m_dsp.d_rptr = 0;
m_dsp.d_wptr = 0;
@@ -243,7 +271,7 @@ WRITE8_MEMBER( sb8_device::dsp_reset_w )
//printf("%02x\n",data);
}
-READ8_MEMBER( sb8_device::dsp_data_r )
+READ8_MEMBER( sb_device::dsp_data_r )
{
// printf("read DSP data @ %x\n", offset);
if(offset)
@@ -252,7 +280,7 @@ READ8_MEMBER( sb8_device::dsp_data_r )
return dequeue_r();
}
-WRITE8_MEMBER( sb8_device::dsp_data_w )
+WRITE8_MEMBER( sb_device::dsp_data_w )
{
// printf("%02x to DSP data @ %x\n", data, offset);
if(offset)
@@ -260,20 +288,24 @@ WRITE8_MEMBER( sb8_device::dsp_data_w )
logerror("Soundblaster DSP data port undocumented write\n");
}
-READ8_MEMBER(sb8_device::dsp_rbuf_status_r)
+READ8_MEMBER(sb_device::dsp_rbuf_status_r)
{
// printf("read Rbufstat @ %x\n", offset);
if(offset)
+ {
+ if(m_dsp.version > 0x0400)
+ irq_w(0, IRQ_DMA16);
return 0xff;
+ }
// printf("Clear IRQ5\n");
- m_isa->irq5_w(0); // reading this port ACKs the card's IRQ
+ irq_w(0, IRQ_DMA8); // reading this port ACKs the card's IRQ, 8-bit dma only?
return m_dsp.rbuf_status;
}
-READ8_MEMBER(sb8_device::dsp_wbuf_status_r)
+READ8_MEMBER(sb_device::dsp_wbuf_status_r)
{
// printf("read Wbufstat @ %x\n", offset);
if(offset)
@@ -282,7 +314,7 @@ READ8_MEMBER(sb8_device::dsp_wbuf_status_r)
return m_dsp.wbuf_status;
}
-WRITE8_MEMBER(sb8_device::dsp_rbuf_status_w)
+WRITE8_MEMBER(sb_device::dsp_rbuf_status_w)
{
// printf("%02x to Rbufstat @ %x\n", data, offset);
if(offset)
@@ -291,11 +323,12 @@ WRITE8_MEMBER(sb8_device::dsp_rbuf_status_w)
logerror("Soundblaster DSP Read Buffer status undocumented write\n");
}
-void sb8_device::process_fifo(UINT8 cmd)
+void sb_device::process_fifo(UINT8 cmd)
{
if (m_cmd_fifo_length[cmd] == -1)
{
- printf("unemulated or undefined fifo command %02x\n",cmd);
+ logerror("SB: unemulated or undefined fifo command %02x\n",cmd);
+ m_dsp.fifo_ptr = 0;
}
else if(m_dsp.fifo_ptr == m_cmd_fifo_length[cmd])
{
@@ -313,7 +346,8 @@ void sb8_device::process_fifo(UINT8 cmd)
m_dsp.dma_autoinit = 0;
m_dsp.dma_timer_started = false;
m_dsp.dma_throttled = false;
- m_isa->drq1_w(1);
+ drq_w(1);
+ m_dsp.flags = 0;
break;
case 0x1c: // 8-bit DMA with autoinit
@@ -322,7 +356,8 @@ void sb8_device::process_fifo(UINT8 cmd)
m_dsp.dma_autoinit = 1;
m_dsp.dma_timer_started = false;
m_dsp.dma_throttled = false;
- m_isa->drq1_w(1);
+ drq_w(1);
+ m_dsp.flags = 0;
break;
case 0x40: // set time constant
@@ -336,7 +371,7 @@ void sb8_device::process_fifo(UINT8 cmd)
case 0xd0: // halt 8-bit DMA
m_timer->adjust(attotime::never, 0);
- m_isa->drq1_w(0); // drop DRQ
+ drq_w(0); // drop DRQ
m_dsp.dma_throttled = false;
m_dsp.dma_timer_started = false;
break;
@@ -377,7 +412,7 @@ void sb8_device::process_fifo(UINT8 cmd)
m_dsp.prot_count++;
m_dack_out = (UINT8)(m_dsp.prot_value & 0xff);
- m_isa->drq1_w(1);
+ drq_w(1);
break;
case 0xe4: // write test register
@@ -389,20 +424,128 @@ void sb8_device::process_fifo(UINT8 cmd)
break;
case 0xf2: // send PIC irq
- m_isa->irq5_w(1);
+ irq_w(1, IRQ_DMA8);
break;
case 0xf8: // ???
- logerror("SB: Unknown command write 0xf8");
+ logerror("SB: Unknown command write 0xf8\n");
queue_r(0);
break;
+ default:
+ if(m_dsp.version >= 0x0201) // SB 2.0
+ {
+ switch(cmd)
+ {
+ case 0xda: // stop 8-bit autoinit
+ m_dsp.dma_autoinit = 0;
+ break;
+ }
+ }
+ if(m_dsp.version >= 0x0301) // SB Pro 2
+ {
+ switch(cmd)
+ {
+ case 0xe3: // copyright notice, check if in pro 2
+ const char* copyright = "NOT COPYRIGHT (C) CREATIVE TECHNOLOGY LTD, 1992.";
+ int j = strlen(copyright);
+ for(int k = 4; k <= j; k++)
+ queue_r(copyright[k]);
+ break;
+ }
+ }
+ if(m_dsp.version >= 0x0400) // SB16
+ {
+ int mode;
+ switch(cmd)
+ {
+ case 0x0f: // read asp reg
+ queue_r(0);
+ case 0x0e: // write asp reg
+ case 0x02: // get asp version
+ case 0x04: // set asp mode register
+ case 0x05: // set asp codec param
+ logerror("SB16: unimplemented ASP command\n");
+ break;
+ case 0x41: // set output sample rate
+ m_dsp.frequency = m_dsp.fifo[2] + (m_dsp.fifo[1] << 8);
+ break;
+ case 0x42: // set input sample rate
+ m_dsp.adc_freq = m_dsp.fifo[2] + (m_dsp.fifo[1] << 8);
+ break;
+ case 0xd5: // pause 16-bit dma
+ m_timer->adjust(attotime::never, 0);
+ drq16_w(0); // drop DRQ
+ m_dsp.dma_throttled = false;
+ m_dsp.dma_timer_started = false;
+ break;
+ case 0xd6: // resume 16-bit dma
+ logerror("SB: 16-bit dma resume\n");
+ break;
+ case 0xd9: // stop 16-bit autoinit
+ m_dsp.dma_autoinit = 0;
+ break;
+ case 0xb0:
+ case 0xb6:
+ case 0xc0:
+ case 0xc6:
+ mode = m_dsp.fifo[1];
+ m_dsp.flags = 0;
+ m_dsp.dma_length = (m_dsp.fifo[2] + (m_dsp.fifo[3]<<8)) + 1;
+ if((cmd & 0xf0) == 0xb0)
+ {
+ m_dsp.flags |= SIXTEENBIT;
+ m_dsp.dma_length <<= 1;
+ drq16_w(1);
+ }
+ else
+ drq_w(1);
+ if(cmd & 0x04)
+ m_dsp.dma_autoinit = 1;
+ if(mode & 0x10)
+ m_dsp.flags |= SIGNED;
+ if(mode & 0x20)
+ {
+ m_dsp.flags |= STEREO;
+ m_dsp.dma_length <<= 1;
+ }
+ m_dsp.dma_transferred = 0;
+ m_dsp.dma_timer_started = false;
+ m_dsp.dma_throttled = false;
+ break;
+ case 0xb8:
+ case 0xbe:
+ case 0xc8:
+ case 0xce:
+ mode = m_dsp.fifo[1];
+ m_dsp.adc_length = (m_dsp.fifo[2] + (m_dsp.fifo[3]<<8)) + 1;
+ m_dsp.adc_transferred = 0;
+ if(cmd & 0x04)
+ m_dsp.dma_autoinit = 1;
+ if(mode & 0x20)
+ m_dsp.adc_length <<= 1;
+ if((cmd & 0xf0) == 0xb0)
+ {
+ m_dsp.adc_length <<= 1;
+ drq16_w(1);
+ }
+ else
+ drq_w(1);
+ logerror("SB: ADC capture unimplemented\n");
+ break;
+ case 0xf3: // send PIC irq
+ irq_w(1, IRQ_DMA16);
+ break;
+ case 0xfc:
+ queue_r((((m_dsp.flags & SIXTEENBIT) && m_dsp.dma_autoinit) << 4) | ((!(m_dsp.flags & SIXTEENBIT) && m_dsp.dma_autoinit) << 2));
+ break;
+ }
+ }
}
-
m_dsp.fifo_ptr = 0;
}
}
-WRITE8_MEMBER(sb8_device::dsp_cmd_w)
+WRITE8_MEMBER(sb_device::dsp_cmd_w)
{
// printf("%02x to DSP command @ %x\n", data, offset);
@@ -415,7 +558,7 @@ WRITE8_MEMBER(sb8_device::dsp_cmd_w)
}
-READ8_MEMBER ( sb8_device::joy_port_r )
+READ8_MEMBER ( sb_device::joy_port_r )
{
UINT8 data = 0;
int delta;
@@ -435,13 +578,93 @@ READ8_MEMBER ( sb8_device::joy_port_r )
return data;
}
+WRITE8_MEMBER ( sb_device::joy_port_w )
+{
+ m_joy_time = machine().time();
+}
+
+READ8_MEMBER( sb16_device::mpu401_r )
+{
+ UINT8 res;
+
+ irq_w(0, IRQ_MPU);
+ if(offset == 0) // data
+ {
+ if(m_head != m_tail)
+ {
+ res = m_mpu_queue[m_tail++];
+ m_tail %= 16;
+ }
+ else
+ res = 0xff;
+ }
+ else // status
+ {
+ res = ((m_head != m_tail)?0:0x80) | 0x3f; // bit 7 queue empty (DSR), bit 6 DRR (Data Receive Ready?)
+ }
+ return res;
+}
-WRITE8_MEMBER ( sb8_device::joy_port_w )
+WRITE8_MEMBER( sb16_device::mpu401_w )
{
- m_joy_time = machine().time();
+ if(offset == 0) // data
+ {
+ logerror("SB MPU401:%02x %02x\n",offset,data);
+ }
+ else // command
+ {
+ logerror("SB MPU401:%02x %02x\n",offset,data);
+
+ switch(data)
+ {
+ case 0xff: // reset
+ irq_w(1, IRQ_MPU);
+ m_head = m_tail = 0;
+ m_mpu_queue[m_head++] = 0xfe;
+ break;
+ }
+ }
+
}
+READ8_MEMBER( sb_device::mixer_r )
+{
+ if(offset == 0)
+ return m_mixer_index;
+ switch(m_mixer_index)
+ {
+ case 0: // reset
+ return 0;
+ default:
+ if(m_dsp.version >= 0x0400)
+ {
+ switch(m_mixer_index)
+ {
+ case 0x82: // irqs
+ return m_dsp.irq_active;
+ }
+ }
+ }
+ logerror("SB: Unimplemented read mixer command %02x\n", m_mixer_index);
+ return 0;
+}
+
+WRITE8_MEMBER( sb_device::mixer_w )
+{
+ if(offset == 0)
+ {
+ m_mixer_index = data;
+ return;
+ }
+ switch(m_mixer_index)
+ {
+ case 0: // reset
+ return;
+ }
+ logerror("SB: Unimplemented write mixer command %02x\n", m_mixer_index);
+ return;
+}
//**************************************************************************
// GLOBAL VARIABLES
@@ -449,6 +672,7 @@ WRITE8_MEMBER ( sb8_device::joy_port_w )
const device_type ISA8_SOUND_BLASTER_1_0 = &device_creator<isa8_sblaster1_0_device>;
const device_type ISA8_SOUND_BLASTER_1_5 = &device_creator<isa8_sblaster1_5_device>;
+const device_type ISA16_SOUND_BLASTER_16 = &device_creator<isa16_sblaster16_device>;
//-------------------------------------------------
// machine_config_additions - device-specific
@@ -465,17 +689,33 @@ machine_config_constructor isa8_sblaster1_5_device::device_mconfig_additions() c
return MACHINE_CONFIG_NAME( sblaster1_5_config );
}
+machine_config_constructor isa16_sblaster16_device::device_mconfig_additions() const
+{
+ return MACHINE_CONFIG_NAME( sblaster_16_config );
+}
+
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
-sb8_device::sb8_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, UINT32 clock, const char *name) :
+sb_device::sb_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, UINT32 clock, const char *name) :
device_t(mconfig, type, name, tag, owner, clock),
- device_isa8_card_interface(mconfig, *this),
- m_dac(*this, "sbdac")
+ m_dacl(*this, "sbdacl"),
+ m_dacr(*this, "sbdacr")
{
}
+sb8_device::sb8_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, UINT32 clock, const char *name) :
+ sb_device(mconfig, type, tag, owner, clock, name),
+ device_isa8_card_interface(mconfig, *this)
+{
+}
+
+sb16_device::sb16_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, UINT32 clock, const char *name) :
+ sb_device(mconfig, type, tag, owner, clock, name),
+ device_isa16_card_interface(mconfig, *this)
+{
+}
//-------------------------------------------------
// isa8_sblaster_device - constructor
@@ -491,19 +731,34 @@ isa8_sblaster1_5_device::isa8_sblaster1_5_device(const machine_config &mconfig,
{
}
+isa16_sblaster16_device::isa16_sblaster16_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ sb16_device(mconfig, ISA16_SOUND_BLASTER_16, tag, owner, clock, "Sound Blaster 16")
+{
+}
+
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void sb8_device::device_start()
{
- m_isa->install_device( 0x0200, 0x0207, 0, 0, read8_delegate(FUNC(sb8_device::joy_port_r), this), write8_delegate(FUNC(sb8_device::joy_port_w), this));
- m_isa->install_device( 0x0226, 0x0227, 0, 0, read8_delegate(FUNC(sb8_device::dsp_reset_r), this), write8_delegate(FUNC(sb8_device::dsp_reset_w), this));
- m_isa->install_device(subdevice("ym3812"), 0x0228, 0x0229, 0, 0, FUNC(ym3812_16_r), FUNC(ym3812_16_w) );
- m_isa->install_device( 0x022a, 0x022b, 0, 0, read8_delegate(FUNC(sb8_device::dsp_data_r), this), write8_delegate(FUNC(sb8_device::dsp_data_w), this) );
- m_isa->install_device( 0x022c, 0x022d, 0, 0, read8_delegate(FUNC(sb8_device::dsp_wbuf_status_r), this), write8_delegate(FUNC(sb8_device::dsp_cmd_w), this) );
- m_isa->install_device( 0x022e, 0x022f, 0, 0, read8_delegate(FUNC(sb8_device::dsp_rbuf_status_r), this), write8_delegate(FUNC(sb8_device::dsp_rbuf_status_w), this) );
- m_isa->install_device(subdevice("ym3812"), 0x0388, 0x0389, 0, 0, FUNC(ym3812_16_r), FUNC(ym3812_16_w) );
+ m_isa->install_device( 0x0200, 0x0207, 0, 0, read8_delegate(FUNC(sb_device::joy_port_r), this), write8_delegate(FUNC(sb_device::joy_port_w), this));
+ m_isa->install_device( 0x0226, 0x0227, 0, 0, read8_delegate(FUNC(sb_device::dsp_reset_r), this), write8_delegate(FUNC(sb_device::dsp_reset_w), this));
+ m_isa->install_device( 0x022a, 0x022b, 0, 0, read8_delegate(FUNC(sb_device::dsp_data_r), this), write8_delegate(FUNC(sb_device::dsp_data_w), this) );
+ m_isa->install_device( 0x022c, 0x022d, 0, 0, read8_delegate(FUNC(sb_device::dsp_wbuf_status_r), this), write8_delegate(FUNC(sb_device::dsp_cmd_w), this) );
+ m_isa->install_device( 0x022e, 0x022f, 0, 0, read8_delegate(FUNC(sb_device::dsp_rbuf_status_r), this), write8_delegate(FUNC(sb_device::dsp_rbuf_status_w), this) );
+ if(m_dsp.version >= 0x0301)
+ {
+ m_isa->install_device(0x0224, 0x0225, 0, 0, read8_delegate(FUNC(sb_device::mixer_r), this), write8_delegate(FUNC(sb_device::mixer_w), this));
+ m_isa->install_device(subdevice("ymf262"), 0x0388, 0x038b, 0, 0, FUNC(ymf262_r), FUNC(ymf262_w) );
+ m_isa->install_device(subdevice("ymf262"), 0x0220, 0x0223, 0, 0, FUNC(ymf262_r), FUNC(ymf262_w) );
+ m_isa->install_device(subdevice("ymf262"), 0x0228, 0x0229, 0, 0, FUNC(ymf262_r), FUNC(ymf262_w) );
+ }
+ else
+ {
+ m_isa->install_device(subdevice("ym3812"), 0x0388, 0x0389, 0, 0, FUNC(ym3812_16_r), FUNC(ym3812_16_w) );
+ m_isa->install_device(subdevice("ym3812"), 0x0228, 0x0229, 0, 0, FUNC(ym3812_16_r), FUNC(ym3812_16_w) );
+ }
m_timer = timer_alloc(0, NULL);
}
@@ -528,11 +783,38 @@ void isa8_sblaster1_5_device::device_start()
sb8_device::device_start();
}
+void sb16_device::device_start()
+{
+ m_isa->install_device( 0x0200, 0x0207, 0, 0, read8_delegate(FUNC(sb_device::joy_port_r), this), write8_delegate(FUNC(sb_device::joy_port_w), this));
+ m_isa->install_device( 0x0224, 0x0225, 0, 0, read8_delegate(FUNC(sb_device::mixer_r), this), write8_delegate(FUNC(sb_device::mixer_w), this));
+ m_isa->install_device( 0x0226, 0x0227, 0, 0, read8_delegate(FUNC(sb_device::dsp_reset_r), this), write8_delegate(FUNC(sb_device::dsp_reset_w), this));
+ m_isa->install_device( 0x022a, 0x022b, 0, 0, read8_delegate(FUNC(sb_device::dsp_data_r), this), write8_delegate(FUNC(sb_device::dsp_data_w), this) );
+ m_isa->install_device( 0x022c, 0x022d, 0, 0, read8_delegate(FUNC(sb_device::dsp_wbuf_status_r), this), write8_delegate(FUNC(sb_device::dsp_cmd_w), this) );
+ m_isa->install_device( 0x022e, 0x022f, 0, 0, read8_delegate(FUNC(sb_device::dsp_rbuf_status_r), this), write8_delegate(FUNC(sb_device::dsp_rbuf_status_w), this) );
+ m_isa->install_device( 0x0330, 0x0331, 0, 0, read8_delegate(FUNC(sb16_device::mpu401_r), this), write8_delegate(FUNC(sb16_device::mpu401_w), this));
+ m_isa->install_device(subdevice("ymf262"), 0x0388, 0x038b, 0, 0, FUNC(ymf262_r), FUNC(ymf262_w) );
+ m_isa->install_device(subdevice("ymf262"), 0x0220, 0x0223, 0, 0, FUNC(ymf262_r), FUNC(ymf262_w) );
+ m_isa->install_device(subdevice("ymf262"), 0x0228, 0x0229, 0, 0, FUNC(ymf262_r), FUNC(ymf262_w) );
+
+ m_head = 0;
+ m_tail = 0;
+ m_timer = timer_alloc(0, NULL);
+}
+
+void isa16_sblaster16_device::device_start()
+{
+ set_isa_device();
+ m_isa->set_dma_channel(1, this, FALSE);
+ m_isa->set_dma_channel(5, this, FALSE);
+ m_dsp.version = 0x0405; // diagnose.exe rejects anything lower than 0x0402
+ sb16_device::device_start();
+}
+
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
-void sb8_device::device_reset()
+void sb_device::device_reset()
{
m_dsp.prot_value = 0xaa;
m_dsp.prot_count = 0;
@@ -541,17 +823,93 @@ void sb8_device::device_reset()
m_dsp.fifo_r_ptr = 0;
m_dsp.wbuf_status = 0;
m_dsp.rbuf_status = 0;
+ m_dsp.frequency = 22050; //?
+ m_dsp.irq_active = 0;
+ m_mixer_index = 0;
}
-UINT8 sb8_device::dack_r(int line)
+UINT8 sb_device::dack_r(int line)
{
-// printf("dack_r: line %x out = %02x\n", line, m_dack_out);
- m_isa->drq1_w(0); // drop DRQ?
+ m_dsp.adc_transferred++;
+ if(m_dsp.adc_transferred >= m_dsp.adc_length)
+ {
+ drq_w(0);
+
+ if (m_dsp.dma_autoinit)
+ {
+ m_dsp.adc_transferred = 0;
+ drq_w(1);
+ }
+ irq_w(1, IRQ_DMA8);
+ }
+ else
+ drq_w(1);
return m_dack_out;
}
+UINT16 sb16_device::dack16_r(int line)
+{
+ m_dsp.adc_transferred += 2;
+ if (m_dsp.adc_transferred >= m_dsp.adc_length)
+ {
+ drq16_w(0);
+
+ if (m_dsp.dma_autoinit)
+ {
+ m_dsp.adc_transferred = 0;
+ drq16_w(1);
+ }
+ irq_w(1, IRQ_DMA16);
+ }
+ else
+ drq16_w(1);
+ return m_dack_out;
+}
+
+void sb16_device::dack16_w(int line, UINT16 data)
+{
+ // set the transfer timer on the 1st byte
+ if (!m_dsp.dma_timer_started)
+ {
+ m_timer->adjust(attotime::from_hz((double)m_dsp.frequency), 0, attotime::from_hz((double)m_dsp.frequency));
+ m_dsp.d_rptr = m_dsp.d_wptr = 0;
+ m_dsp.dma_timer_started = true;
+ }
+
+ m_dsp.data[m_dsp.d_wptr++] = data & 0xff;
+ m_dsp.data[m_dsp.d_wptr++] = data >> 8;
+ m_dsp.d_wptr %= 128;
+
+ if (m_dsp.d_wptr == m_dsp.d_rptr)
+ {
+// printf("throttling DRQ\n");
+ drq16_w(0); // drop DRQ here
+ m_dsp.dma_throttled = true;
+ }
+
+ m_dsp.dma_transferred += 2;
+ if (m_dsp.dma_transferred >= m_dsp.dma_length)
+ {
+// printf("DMA fill completed (%d out of %d)\n", m_dsp.dma_transferred, m_dsp.dma_length);
+
+ drq16_w(0); // drop DRQ here
+
+ if (m_dsp.dma_autoinit)
+ {
+// printf("autoinit reset\n");
+ m_dsp.dma_transferred = 0;
+ if (!m_dsp.dma_throttled) // if we're not throttled, re-raise DRQ right now
+ {
+ drq16_w(1); // raise DRQ again (page 3-15 of the Creative manual indicates auto-init will keep going until you stop it)
+ }
+ }
+
+ irq_w(1, IRQ_DMA16); // raise IRQ as per the Creative manual
+ }
+}
+
/* TODO: this mustn't be instant! */
-void sb8_device::dack_w(int line, UINT8 data)
+void sb_device::dack_w(int line, UINT8 data)
{
// printf("dack_w: line %x data %02x\n", line, data);
// if(data != 0x80)
@@ -571,7 +929,7 @@ void sb8_device::dack_w(int line, UINT8 data)
if (m_dsp.d_wptr == m_dsp.d_rptr)
{
// printf("throttling DRQ\n");
- m_isa->drq1_w(0); // drop DRQ here
+ drq_w(0); // drop DRQ here
m_dsp.dma_throttled = true;
}
@@ -580,7 +938,7 @@ void sb8_device::dack_w(int line, UINT8 data)
{
// printf("DMA fill completed (%d out of %d)\n", m_dsp.dma_transferred, m_dsp.dma_length);
- m_isa->drq1_w(0); // drop DRQ here
+ drq_w(0); // drop DRQ here
if (m_dsp.dma_autoinit)
{
@@ -588,20 +946,81 @@ void sb8_device::dack_w(int line, UINT8 data)
m_dsp.dma_transferred = 0;
if (!m_dsp.dma_throttled) // if we're not throttled, re-raise DRQ right now
{
- m_isa->drq1_w(1); // raise DRQ again (page 3-15 of the Creative manual indicates auto-init will keep going until you stop it)
+ drq_w(1); // raise DRQ again (page 3-15 of the Creative manual indicates auto-init will keep going until you stop it)
}
}
- m_isa->irq5_w(1); // raise IRQ as per the Creative manual
+ irq_w(1, IRQ_DMA8); // raise IRQ as per the Creative manual
}
}
-void sb8_device::device_timer(emu_timer &timer, device_timer_id tid, int param, void *ptr)
+void sb_device::device_timer(emu_timer &timer, device_timer_id tid, int param, void *ptr)
{
// printf("DMA timer expire\n");
- m_dac->write_unsigned8(m_dsp.data[m_dsp.d_rptr]);
- m_dsp.data[m_dsp.d_rptr++] = 0x80;
+ UINT16 lsample, rsample;
+ switch (m_dsp.flags) {
+ case 0: // 8-bit unsigned mono
+ m_dacl->write_unsigned8(m_dsp.data[m_dsp.d_rptr]);
+ m_dacr->write_unsigned8(m_dsp.data[m_dsp.d_rptr]);
+ m_dsp.data[m_dsp.d_rptr++] = 0x80;
+ break;
+ case SIGNED: // 8-bit signed mono
+ m_dacl->write_unsigned8(m_dsp.data[m_dsp.d_rptr] + 128);
+ m_dacr->write_unsigned8(m_dsp.data[m_dsp.d_rptr] + 128);
+ m_dsp.data[m_dsp.d_rptr++] = 0x00;
+ break;
+ case STEREO: // 8-bit unsigned stereo
+ m_dacl->write_unsigned8(m_dsp.data[m_dsp.d_rptr]);
+ m_dsp.data[m_dsp.d_rptr++] = 0x80;
+ m_dacr->write_unsigned8(m_dsp.data[m_dsp.d_rptr]);
+ m_dsp.data[m_dsp.d_rptr++] = 0x80;
+ break;
+ case SIGNED | STEREO: // 8-bit signed stereo
+ m_dacl->write_unsigned8(m_dsp.data[m_dsp.d_rptr] + 128);
+ m_dsp.data[m_dsp.d_rptr++] = 0x00;
+ m_dacr->write_unsigned8(m_dsp.data[m_dsp.d_rptr] + 128);
+ m_dsp.data[m_dsp.d_rptr++] = 0x00;
+ break;
+ case SIXTEENBIT: // 16-bit unsigned mono
+ lsample = m_dsp.data[m_dsp.d_rptr] | (m_dsp.data[m_dsp.d_rptr+1] << 8);
+ m_dsp.data[m_dsp.d_rptr++] = 0x00;
+ m_dsp.data[m_dsp.d_rptr++] = 0x80;
+ m_dacl->write_unsigned16(lsample);
+ m_dacr->write_unsigned16(lsample);
+ break;
+ case SIXTEENBIT | SIGNED: // 16-bit signed mono
+ lsample = m_dsp.data[m_dsp.d_rptr] | (m_dsp.data[m_dsp.d_rptr+1] << 8);
+ m_dsp.data[m_dsp.d_rptr++] = 0x00;
+ m_dsp.data[m_dsp.d_rptr++] = 0x00;
+ m_dacl->write_unsigned16(lsample + 32768);
+ m_dacr->write_unsigned16(lsample + 32768);
+ break;
+ case SIXTEENBIT | STEREO: // 16-bit unsigned stereo
+ lsample = m_dsp.data[m_dsp.d_rptr] | (m_dsp.data[m_dsp.d_rptr+1] << 8);
+ m_dsp.data[m_dsp.d_rptr++] = 0x00;
+ m_dsp.data[m_dsp.d_rptr++] = 0x80;
+ m_dsp.d_rptr %= 128;
+ rsample = m_dsp.data[m_dsp.d_rptr] | (m_dsp.data[m_dsp.d_rptr+1] << 8);
+ m_dsp.data[m_dsp.d_rptr++] = 0x00;
+ m_dsp.data[m_dsp.d_rptr++] = 0x80;
+ m_dacl->write_unsigned16(lsample);
+ m_dacr->write_unsigned16(rsample);
+ break;
+ case SIXTEENBIT | SIGNED | STEREO: // 16-bit signed stereo
+ lsample = m_dsp.data[m_dsp.d_rptr] | (m_dsp.data[m_dsp.d_rptr+1] << 8);
+ m_dsp.data[m_dsp.d_rptr++] = 0x00;
+ m_dsp.data[m_dsp.d_rptr++] = 0x00;
+ m_dsp.d_rptr %= 128;
+ rsample = m_dsp.data[m_dsp.d_rptr] | (m_dsp.data[m_dsp.d_rptr+1] << 8);
+ m_dsp.data[m_dsp.d_rptr++] = 0x00;
+ m_dsp.data[m_dsp.d_rptr++] = 0x00;
+ m_dacl->write_unsigned16(lsample + 32768);
+ m_dacr->write_unsigned16(rsample + 32768);
+ break;
+ default: // ADPCM, ...?
+ logerror("SB: unimplemented sample type %x", m_dsp.flags);
+ }
m_dsp.d_rptr %= 128;
if (m_dsp.dma_throttled)
@@ -609,7 +1028,10 @@ void sb8_device::device_timer(emu_timer &timer, device_timer_id tid, int param,
if (m_dsp.d_rptr == m_dsp.d_wptr)
{
// printf("unthrottling DRQ\n");
- m_isa->drq1_w(1); // raise DRQ
+ if(m_dsp.flags & SIXTEENBIT) // 16-bit audio through 8-bit dma?
+ drq16_w(1);
+ else
+ drq_w(1); // raise DRQ
m_dsp.dma_throttled = false;
}
}