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fmtowns: moved some static CD-ROM functions in the driver class (no whatsnew)

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mahlemiut 2013-02-24 22:42:25 +00:00
parent ba4d53037d
commit 92e5e5b0ce
2 changed files with 137 additions and 126 deletions
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251
src/mess/drivers/fmtowns.c
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@ -419,6 +419,12 @@ void towns_state::device_timer(emu_timer &timer, device_timer_id id, int param,
case TIMER_WAIT:
wait_end();
break;
case TIMER_CDSTATUS:
towns_cd_status_ready();
break;
case TIMER_CDDA:
towns_delay_cdda((cdrom_image_device*)ptr);
break;
}
}
void towns_state::freerun_inc()
@ -1364,7 +1370,7 @@ static void towns_cdrom_set_irq(running_machine &machine,int line,int state)
}
}
TIMER_CALLBACK_MEMBER(towns_state::towns_cd_status_ready)
void towns_state::towns_cd_status_ready()
{
m_towns_cd.status |= 0x02; // status read request
m_towns_cd.status |= 0x01; // ready
@ -1372,15 +1378,14 @@ TIMER_CALLBACK_MEMBER(towns_state::towns_cd_status_ready)
towns_cdrom_set_irq((running_machine&)machine(),TOWNS_CD_IRQ_MPU,1);
}
static void towns_cd_set_status(running_machine &machine, UINT8 st0, UINT8 st1, UINT8 st2, UINT8 st3)
void towns_state::towns_cd_set_status(UINT8 st0, UINT8 st1, UINT8 st2, UINT8 st3)
{
towns_state* state = machine.driver_data<towns_state>();
state->m_towns_cd.cmd_status[0] = st0;
state->m_towns_cd.cmd_status[1] = st1;
state->m_towns_cd.cmd_status[2] = st2;
state->m_towns_cd.cmd_status[3] = st3;
m_towns_cd.cmd_status[0] = st0;
m_towns_cd.cmd_status[1] = st1;
m_towns_cd.cmd_status[2] = st2;
m_towns_cd.cmd_status[3] = st3;
// wait a bit
machine.scheduler().timer_set(attotime::from_msec(1), timer_expired_delegate(FUNC(towns_state::towns_cd_status_ready),state), 0, &machine);
m_towns_status_timer->adjust(attotime::from_msec(1),0,attotime::never);
}
static UINT8 towns_cd_get_track(running_machine &machine)
@ -1431,7 +1436,7 @@ TIMER_CALLBACK_MEMBER(towns_state::towns_cdrom_read_byte)
if(m_towns_cd.lba_current >= m_towns_cd.lba_last)
{
m_towns_cd.extra_status = 0;
towns_cd_set_status(device->machine(),0x06,0x00,0x00,0x00);
towns_cd_set_status(0x06,0x00,0x00,0x00);
towns_cdrom_set_irq(device->machine(),TOWNS_CD_IRQ_DMA,1);
m_towns_cd.buffer_ptr = -1;
m_towns_cd.status |= 0x01; // ready
@ -1439,7 +1444,7 @@ TIMER_CALLBACK_MEMBER(towns_state::towns_cdrom_read_byte)
else
{
m_towns_cd.extra_status = 0;
towns_cd_set_status(device->machine(),0x22,0x00,0x00,0x00);
towns_cd_set_status(0x22,0x00,0x00,0x00);
towns_cdrom_set_irq(device->machine(),TOWNS_CD_IRQ_DMA,1);
cdrom_read_data(m_cdrom->get_cdrom_file(),++m_towns_cd.lba_current,m_towns_cd.buffer,CD_TRACK_MODE1);
m_towns_cd.read_timer->adjust(attotime::from_hz(300000),1);
@ -1465,7 +1470,7 @@ UINT8 towns_state::towns_cdrom_read_byte_software()
if(m_towns_cd.lba_current >= m_towns_cd.lba_last)
{
m_towns_cd.extra_status = 0;
towns_cd_set_status(machine(),0x06,0x00,0x00,0x00);
towns_cd_set_status(0x06,0x00,0x00,0x00);
towns_cdrom_set_irq(machine(),TOWNS_CD_IRQ_DMA,1);
m_towns_cd.buffer_ptr = -1;
m_towns_cd.status |= 0x01; // ready
@ -1474,7 +1479,7 @@ UINT8 towns_state::towns_cdrom_read_byte_software()
{
cdrom_read_data(m_cdrom->get_cdrom_file(),++m_towns_cd.lba_current,m_towns_cd.buffer,CD_TRACK_MODE1);
m_towns_cd.extra_status = 0;
towns_cd_set_status(machine(),0x21,0x00,0x00,0x00);
towns_cd_set_status(0x21,0x00,0x00,0x00);
towns_cdrom_set_irq(machine(),TOWNS_CD_IRQ_DMA,1);
m_towns_cd.status &= ~0x10;
m_towns_cd.status |= 0x20;
@ -1484,7 +1489,7 @@ UINT8 towns_state::towns_cdrom_read_byte_software()
return ret;
}
static void towns_cdrom_read(cdrom_image_device* device)
void towns_state::towns_cdrom_read(cdrom_image_device* device)
{
// MODE 1 read
// load data into buffer to be sent via DMA1 channel 3
@ -1493,133 +1498,128 @@ static void towns_cdrom_read(cdrom_image_device* device)
// parameters:
// 3 bytes: MSF of first sector to read
// 3 bytes: MSF of last sector to read
towns_state* state = device->machine().driver_data<towns_state>();
UINT32 lba1,lba2,track;
lba1 = state->m_towns_cd.parameter[7] << 16;
lba1 += state->m_towns_cd.parameter[6] << 8;
lba1 += state->m_towns_cd.parameter[5];
lba2 = state->m_towns_cd.parameter[4] << 16;
lba2 += state->m_towns_cd.parameter[3] << 8;
lba2 += state->m_towns_cd.parameter[2];
state->m_towns_cd.lba_current = msf_to_lbafm(lba1);
state->m_towns_cd.lba_last = msf_to_lbafm(lba2);
lba1 = m_towns_cd.parameter[7] << 16;
lba1 += m_towns_cd.parameter[6] << 8;
lba1 += m_towns_cd.parameter[5];
lba2 = m_towns_cd.parameter[4] << 16;
lba2 += m_towns_cd.parameter[3] << 8;
lba2 += m_towns_cd.parameter[2];
m_towns_cd.lba_current = msf_to_lbafm(lba1);
m_towns_cd.lba_last = msf_to_lbafm(lba2);
// first track starts at 00:02:00 - this is hardcoded in the boot procedure
track = cdrom_get_track(device->get_cdrom_file(),state->m_towns_cd.lba_current);
track = cdrom_get_track(device->get_cdrom_file(),m_towns_cd.lba_current);
if(track < 2)
{ // recalculate LBA
state->m_towns_cd.lba_current -= 150;
state->m_towns_cd.lba_last -= 150;
m_towns_cd.lba_current -= 150;
m_towns_cd.lba_last -= 150;
}
// parameter 7 = sector count?
if(state->m_towns_cd.parameter[1] != 0)
state->m_towns_cd.lba_last += state->m_towns_cd.parameter[1];
if(m_towns_cd.parameter[1] != 0)
m_towns_cd.lba_last += m_towns_cd.parameter[1];
logerror("CD: Mode 1 read from LBA next:%i last:%i track:%i\n",state->m_towns_cd.lba_current,state->m_towns_cd.lba_last,track);
logerror("CD: Mode 1 read from LBA next:%i last:%i track:%i\n",m_towns_cd.lba_current,m_towns_cd.lba_last,track);
if(state->m_towns_cd.lba_current > state->m_towns_cd.lba_last)
if(m_towns_cd.lba_current > m_towns_cd.lba_last)
{
state->m_towns_cd.extra_status = 0;
towns_cd_set_status(device->machine(),0x01,0x00,0x00,0x00);
m_towns_cd.extra_status = 0;
towns_cd_set_status(0x01,0x00,0x00,0x00);
}
else
{
cdrom_read_data(device->get_cdrom_file(),state->m_towns_cd.lba_current,state->m_towns_cd.buffer,CD_TRACK_MODE1);
if(state->m_towns_cd.software_tx)
cdrom_read_data(device->get_cdrom_file(),m_towns_cd.lba_current,m_towns_cd.buffer,CD_TRACK_MODE1);
if(m_towns_cd.software_tx)
{
state->m_towns_cd.status &= ~0x10; // not a DMA transfer
state->m_towns_cd.status |= 0x20; // software transfer
m_towns_cd.status &= ~0x10; // not a DMA transfer
m_towns_cd.status |= 0x20; // software transfer
}
else
{
state->m_towns_cd.status |= 0x10; // DMA transfer begin
state->m_towns_cd.status &= ~0x20; // not a software transfer
m_towns_cd.status |= 0x10; // DMA transfer begin
m_towns_cd.status &= ~0x20; // not a software transfer
}
// state->m_towns_cd.buffer_ptr = 0;
// state->m_towns_cd.read_timer->adjust(attotime::from_hz(300000),1);
if(state->m_towns_cd.command & 0x20)
// m_towns_cd.buffer_ptr = 0;
// m_towns_cd.read_timer->adjust(attotime::from_hz(300000),1);
if(m_towns_cd.command & 0x20)
{
state->m_towns_cd.extra_status = 2;
towns_cd_set_status(device->machine(),0x00,0x00,0x00,0x00);
m_towns_cd.extra_status = 2;
towns_cd_set_status(0x00,0x00,0x00,0x00);
}
else
{
state->m_towns_cd.extra_status = 0;
if(state->m_towns_cd.software_tx)
towns_cd_set_status(device->machine(),0x21,0x00,0x00,0x00);
m_towns_cd.extra_status = 0;
if(m_towns_cd.software_tx)
towns_cd_set_status(0x21,0x00,0x00,0x00);
else
towns_cd_set_status(device->machine(),0x22,0x00,0x00,0x00);
towns_cd_set_status(0x22,0x00,0x00,0x00);
}
}
}
static void towns_cdrom_play_cdda(cdrom_image_device* device)
void towns_state::towns_cdrom_play_cdda(cdrom_image_device* device)
{
// PLAY AUDIO
// Plays CD-DA audio from the specified MSF
// Parameters:
// 3 bytes: starting MSF of audio to play
// 3 bytes: ending MSF of audio to play (can span multiple tracks)
towns_state* state = device->machine().driver_data<towns_state>();
UINT32 lba1,lba2;
device_t* cdda = state->m_cdda;
lba1 = state->m_towns_cd.parameter[7] << 16;
lba1 += state->m_towns_cd.parameter[6] << 8;
lba1 += state->m_towns_cd.parameter[5];
lba2 = state->m_towns_cd.parameter[4] << 16;
lba2 += state->m_towns_cd.parameter[3] << 8;
lba2 += state->m_towns_cd.parameter[2];
state->m_towns_cd.cdda_current = msf_to_lbafm(lba1);
state->m_towns_cd.cdda_length = msf_to_lbafm(lba2) - state->m_towns_cd.cdda_current;
lba1 = m_towns_cd.parameter[7] << 16;
lba1 += m_towns_cd.parameter[6] << 8;
lba1 += m_towns_cd.parameter[5];
lba2 = m_towns_cd.parameter[4] << 16;
lba2 += m_towns_cd.parameter[3] << 8;
lba2 += m_towns_cd.parameter[2];
m_towns_cd.cdda_current = msf_to_lbafm(lba1);
m_towns_cd.cdda_length = msf_to_lbafm(lba2) - m_towns_cd.cdda_current;
cdda_set_cdrom(cdda,device->get_cdrom_file());
cdda_start_audio(cdda,state->m_towns_cd.cdda_current,state->m_towns_cd.cdda_length);
logerror("CD: CD-DA start from LBA:%i length:%i\n",state->m_towns_cd.cdda_current,state->m_towns_cd.cdda_length);
if(state->m_towns_cd.command & 0x20)
cdda_set_cdrom(m_cdda,device->get_cdrom_file());
cdda_start_audio(m_cdda,m_towns_cd.cdda_current,m_towns_cd.cdda_length);
logerror("CD: CD-DA start from LBA:%i length:%i\n",m_towns_cd.cdda_current,m_towns_cd.cdda_length);
if(m_towns_cd.command & 0x20)
{
state->m_towns_cd.extra_status = 1;
towns_cd_set_status(device->machine(),0x00,0x03,0x00,0x00);
m_towns_cd.extra_status = 1;
towns_cd_set_status(0x00,0x03,0x00,0x00);
}
}
TIMER_CALLBACK_MEMBER(towns_state::towns_delay_cdda)
void towns_state::towns_delay_cdda(cdrom_image_device* dev)
{
towns_cdrom_play_cdda((cdrom_image_device*)ptr);
towns_cdrom_play_cdda(dev);
}
static void towns_cdrom_execute_command(cdrom_image_device* device)
void towns_state::towns_cdrom_execute_command(cdrom_image_device* device)
{
towns_state* state = device->machine().driver_data<towns_state>();
if(device->get_cdrom_file() == NULL)
{ // No CD in drive
if(state->m_towns_cd.command & 0x20)
if(m_towns_cd.command & 0x20)
{
state->m_towns_cd.extra_status = 0;
towns_cd_set_status(device->machine(),0x10,0x00,0x00,0x00);
m_towns_cd.extra_status = 0;
towns_cd_set_status(0x10,0x00,0x00,0x00);
}
}
else
{
state->m_towns_cd.status &= ~0x02;
switch(state->m_towns_cd.command & 0x9f)
m_towns_cd.status &= ~0x02;
switch(m_towns_cd.command & 0x9f)
{
case 0x00: // Seek
if(state->m_towns_cd.command & 0x20)
if(m_towns_cd.command & 0x20)
{
state->m_towns_cd.extra_status = 1;
towns_cd_set_status(device->machine(),0x00,0x00,0x00,0x00);
m_towns_cd.extra_status = 1;
towns_cd_set_status(0x00,0x00,0x00,0x00);
}
logerror("CD: Command 0x00: SEEK\n");
break;
case 0x01: // unknown
if(state->m_towns_cd.command & 0x20)
if(m_towns_cd.command & 0x20)
{
state->m_towns_cd.extra_status = 0;
towns_cd_set_status(device->machine(),0x00,0xff,0xff,0xff);
m_towns_cd.extra_status = 0;
towns_cd_set_status(0x00,0xff,0xff,0xff);
}
logerror("CD: Command 0x01: unknown\n");
break;
@ -1629,69 +1629,70 @@ static void towns_cdrom_execute_command(cdrom_image_device* device)
break;
case 0x04: // Play Audio Track
logerror("CD: Command 0x04: PLAY CD-DA\n");
device->machine().scheduler().timer_set(attotime::from_msec(1), timer_expired_delegate(FUNC(towns_state::towns_delay_cdda),state), 0, device);
m_towns_cdda_timer->set_ptr(device);
m_towns_cdda_timer->adjust(attotime::from_msec(1),0,attotime::never);
break;
case 0x05: // Read TOC
logerror("CD: Command 0x05: READ TOC\n");
state->m_towns_cd.extra_status = 1;
towns_cd_set_status(device->machine(),0x00,0x00,0x00,0x00);
m_towns_cd.extra_status = 1;
towns_cd_set_status(0x00,0x00,0x00,0x00);
break;
case 0x06: // Read CD-DA state?
logerror("CD: Command 0x06: READ CD-DA STATE\n");
state->m_towns_cd.extra_status = 1;
towns_cd_set_status(device->machine(),0x00,0x00,0x00,0x00);
m_towns_cd.extra_status = 1;
towns_cd_set_status(0x00,0x00,0x00,0x00);
break;
case 0x80: // set state
logerror("CD: Command 0x80: set state\n");
if(state->m_towns_cd.command & 0x20)
if(m_towns_cd.command & 0x20)
{
state->m_towns_cd.extra_status = 0;
if(cdda_audio_active(state->m_cdda) && !cdda_audio_paused(state->m_cdda))
towns_cd_set_status(device->machine(),0x00,0x03,0x00,0x00);
m_towns_cd.extra_status = 0;
if(cdda_audio_active(m_cdda) && !cdda_audio_paused(m_cdda))
towns_cd_set_status(0x00,0x03,0x00,0x00);
else
towns_cd_set_status(device->machine(),0x00,0x01,0x00,0x00);
towns_cd_set_status(0x00,0x01,0x00,0x00);
}
break;
case 0x81: // set state (CDDASET)
if(state->m_towns_cd.command & 0x20)
if(m_towns_cd.command & 0x20)
{
state->m_towns_cd.extra_status = 0;
towns_cd_set_status(device->machine(),0x00,0x00,0x00,0x00);
m_towns_cd.extra_status = 0;
towns_cd_set_status(0x00,0x00,0x00,0x00);
}
logerror("CD: Command 0x81: set state (CDDASET)\n");
break;
case 0x84: // Stop CD audio track -- generates no status output?
if(state->m_towns_cd.command & 0x20)
if(m_towns_cd.command & 0x20)
{
state->m_towns_cd.extra_status = 1;
towns_cd_set_status(device->machine(),0x00,0x00,0x00,0x00);
m_towns_cd.extra_status = 1;
towns_cd_set_status(0x00,0x00,0x00,0x00);
}
cdda_pause_audio(state->m_cdda,1);
cdda_pause_audio(m_cdda,1);
logerror("CD: Command 0x84: STOP CD-DA\n");
break;
case 0x85: // Stop CD audio track (difference from 0x84?)
if(state->m_towns_cd.command & 0x20)
if(m_towns_cd.command & 0x20)
{
state->m_towns_cd.extra_status = 1;
towns_cd_set_status(device->machine(),0x00,0x00,0x00,0x00);
m_towns_cd.extra_status = 1;
towns_cd_set_status(0x00,0x00,0x00,0x00);
}
cdda_pause_audio(state->m_cdda,1);
cdda_pause_audio(m_cdda,1);
logerror("CD: Command 0x85: STOP CD-DA\n");
break;
case 0x87: // Resume CD-DA playback
if(state->m_towns_cd.command & 0x20)
if(m_towns_cd.command & 0x20)
{
state->m_towns_cd.extra_status = 1;
towns_cd_set_status(device->machine(),0x00,0x03,0x00,0x00);
m_towns_cd.extra_status = 1;
towns_cd_set_status(0x00,0x03,0x00,0x00);
}
cdda_pause_audio(state->m_cdda,0);
cdda_pause_audio(m_cdda,0);
logerror("CD: Command 0x87: RESUME CD-DA\n");
break;
default:
state->m_towns_cd.extra_status = 0;
towns_cd_set_status(device->machine(),0x10,0x00,0x00,0x00);
logerror("CD: Unknown or unimplemented command %02x\n",state->m_towns_cd.command);
m_towns_cd.extra_status = 0;
towns_cd_set_status(0x10,0x00,0x00,0x00);
logerror("CD: Unknown or unimplemented command %02x\n",m_towns_cd.command);
}
}
}
@ -1726,16 +1727,16 @@ READ8_MEMBER(towns_state::towns_cdrom_r)
switch(m_towns_cd.command & 0x9f)
{
case 0x00: // seek
towns_cd_set_status(space.machine(),0x04,0x00,0x00,0x00);
towns_cd_set_status(0x04,0x00,0x00,0x00);
m_towns_cd.extra_status = 0;
break;
case 0x02: // read
if(m_towns_cd.extra_status == 2)
towns_cd_set_status(space.machine(),0x22,0x00,0x00,0x00);
towns_cd_set_status(0x22,0x00,0x00,0x00);
m_towns_cd.extra_status = 0;
break;
case 0x04: // play cdda
towns_cd_set_status(space.machine(),0x07,0x00,0x00,0x00);
towns_cd_set_status(0x07,0x00,0x00,0x00);
m_towns_cd.extra_status = 0;
break;
case 0x05: // read toc
@ -1743,21 +1744,21 @@ READ8_MEMBER(towns_state::towns_cdrom_r)
{
case 1:
case 3:
towns_cd_set_status(space.machine(),0x16,0x00,0x00,0x00);
towns_cd_set_status(0x16,0x00,0x00,0x00);
m_towns_cd.extra_status++;
break;
case 2: // st1 = first track number (BCD)
towns_cd_set_status(space.machine(),0x17,0x01,0x00,0x00);
towns_cd_set_status(0x17,0x01,0x00,0x00);
m_towns_cd.extra_status++;
break;
case 4: // st1 = last track number (BCD)
towns_cd_set_status(space.machine(),0x17,
towns_cd_set_status(0x17,
byte_to_bcd(cdrom_get_last_track(m_cdrom->get_cdrom_file())),
0x00,0x00);
m_towns_cd.extra_status++;
break;
case 5: // st1 = control/adr of track 0xaa?
towns_cd_set_status(space.machine(),0x16,
towns_cd_set_status(0x16,
cdrom_get_adr_control(m_cdrom->get_cdrom_file(),0xaa),
0xaa,0x00);
m_towns_cd.extra_status++;
@ -1765,14 +1766,14 @@ READ8_MEMBER(towns_state::towns_cdrom_r)
case 6: // st1/2/3 = address of track 0xaa? (BCD)
addr = cdrom_get_track_start(m_cdrom->get_cdrom_file(),0xaa);
addr = lba_to_msf(addr);
towns_cd_set_status(space.machine(),0x17,
towns_cd_set_status(0x17,
(addr & 0xff0000) >> 16,(addr & 0x00ff00) >> 8,addr & 0x0000ff);
m_towns_cd.extra_status++;
break;
default: // same as case 5 and 6, but for each individual track
if(m_towns_cd.extra_status & 0x01)
{
towns_cd_set_status(space.machine(),0x16,
towns_cd_set_status(0x16,
((cdrom_get_adr_control(m_cdrom->get_cdrom_file(),(m_towns_cd.extra_status/2)-3) & 0x0f) << 4)
| ((cdrom_get_adr_control(m_cdrom->get_cdrom_file(),(m_towns_cd.extra_status/2)-3) & 0xf0) >> 4),
(m_towns_cd.extra_status/2)-3,0x00);
@ -1782,7 +1783,7 @@ READ8_MEMBER(towns_state::towns_cdrom_r)
{
addr = cdrom_get_track_start(m_cdrom->get_cdrom_file(),(m_towns_cd.extra_status/2)-4);
addr = lba_to_msf(addr);
towns_cd_set_status(space.machine(),0x17,
towns_cd_set_status(0x17,
(addr & 0xff0000) >> 16,(addr & 0x00ff00) >> 8,addr & 0x0000ff);
if(((m_towns_cd.extra_status/2)-3) >= cdrom_get_last_track(m_cdrom->get_cdrom_file()))
{
@ -1798,39 +1799,39 @@ READ8_MEMBER(towns_state::towns_cdrom_r)
switch(m_towns_cd.extra_status)
{
case 1: // st2 = track number
towns_cd_set_status(space.machine(),0x18,
towns_cd_set_status(0x18,
0x00,towns_cd_get_track(space.machine()),0x00);
m_towns_cd.extra_status++;
break;
case 2: // st0/1/2 = MSF from beginning of current track
addr = cdda_get_audio_lba(m_cdda);
addr = lba_to_msf(addr - m_towns_cd.cdda_current);
towns_cd_set_status(space.machine(),0x19,
towns_cd_set_status(0x19,
(addr & 0xff0000) >> 16,(addr & 0x00ff00) >> 8,addr & 0x0000ff);
m_towns_cd.extra_status++;
break;
case 3: // st1/2 = current MSF
addr = cdda_get_audio_lba(m_cdda);
addr = lba_to_msf(addr); // this data is incorrect, but will do until exact meaning is found
towns_cd_set_status(space.machine(),0x19,
towns_cd_set_status(0x19,
0x00,(addr & 0xff0000) >> 16,(addr & 0x00ff00) >> 8);
m_towns_cd.extra_status++;
break;
case 4:
addr = cdda_get_audio_lba(m_cdda);
addr = lba_to_msf(addr); // this data is incorrect, but will do until exact meaning is found
towns_cd_set_status(space.machine(),0x20,
towns_cd_set_status(0x20,
addr & 0x0000ff,0x00,0x00);
m_towns_cd.extra_status = 0;
break;
}
break;
case 0x84:
towns_cd_set_status(space.machine(),0x11,0x00,0x00,0x00);
towns_cd_set_status(0x11,0x00,0x00,0x00);
m_towns_cd.extra_status = 0;
break;
case 0x85:
towns_cd_set_status(space.machine(),0x12,0x00,0x00,0x00);
towns_cd_set_status(0x12,0x00,0x00,0x00);
m_towns_cd.extra_status = 0;
break;
}
@ -2564,6 +2565,8 @@ void towns_state::driver_start()
m_towns_wait_timer = timer_alloc(TIMER_WAIT);
m_towns_freerun_counter = timer_alloc(TIMER_FREERUN);
m_towns_intervaltimer2 = timer_alloc(TIMER_INTERVAL2);
m_towns_status_timer = timer_alloc(TIMER_CDSTATUS);
m_towns_cdda_timer = timer_alloc(TIMER_CDDA);
// CD-ROM init
m_towns_cd.read_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(towns_state::towns_cdrom_read_byte),this), (void*)machine().device("dma_1"));
@ -2856,7 +2859,7 @@ MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( townssj, towns )
MCFG_CPU_REPLACE("maincpu",I486, 66000000)
MCFG_CPU_REPLACE("maincpu",PENTIUM, 66000000)
MCFG_CPU_PROGRAM_MAP(towns_mem)
MCFG_CPU_IO_MAP(towns_io)
MCFG_CPU_VBLANK_INT_DRIVER("screen", towns_state, towns_vsync_irq)

12
src/mess/includes/fmtowns.h
View File

@ -149,6 +149,8 @@ class towns_state : public driver_device
UINT8 m_timer1;
emu_timer* m_towns_wait_timer;
emu_timer* m_towns_status_timer;
emu_timer* m_towns_cdda_timer;
struct towns_cdrom_controller m_towns_cd;
struct towns_video_controller m_video;
@ -248,17 +250,23 @@ private:
static const device_timer_id TIMER_KEYBOARD = 3;
static const device_timer_id TIMER_MOUSE = 4;
static const device_timer_id TIMER_WAIT = 5;
static const device_timer_id TIMER_CDSTATUS = 6;
static const device_timer_id TIMER_CDDA = 7;
void rtc_second();
void freerun_inc();
void intervaltimer2_timeout();
void poll_keyboard();
void mouse_timeout();
void wait_end();
void towns_cd_set_status(UINT8 st0, UINT8 st1, UINT8 st2, UINT8 st3);
void towns_cdrom_execute_command(cdrom_image_device* device);
void towns_cdrom_play_cdda(cdrom_image_device* device);
void towns_cdrom_read(cdrom_image_device* device);
void towns_cd_status_ready();
void towns_delay_cdda(cdrom_image_device* dev);
public:
INTERRUPT_GEN_MEMBER(towns_vsync_irq);
TIMER_CALLBACK_MEMBER(towns_cd_status_ready);
TIMER_CALLBACK_MEMBER(towns_cdrom_read_byte);
TIMER_CALLBACK_MEMBER(towns_delay_cdda);
TIMER_CALLBACK_MEMBER(towns_sprite_done);
TIMER_CALLBACK_MEMBER(towns_vblank_end);
DECLARE_WRITE_LINE_MEMBER(towns_scsi_irq);