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leland: dma line mask bits (ne)

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This commit is contained in:
cracyc 2019-02-08 19:09:29 -06:00
parent 6ebdef9e12
commit ddb73dcb7b
1 changed files with 12 additions and 9 deletions
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21
src/mame/audio/leland.cpp
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@ -622,6 +622,11 @@ WRITE16_MEMBER( leland_80186_sound_device::dac_w )
/* handle value changes */ /* handle value changes */
if (ACCESSING_BITS_0_7) if (ACCESSING_BITS_0_7)
{ {
if((offset & 0x60) == 0x40)
m_audiocpu->drq0_w(CLEAR_LINE);
else if((offset & 0x60) == 0x60)
m_audiocpu->drq1_w(CLEAR_LINE);
m_dac[dac]->write(data & 0xff); m_dac[dac]->write(data & 0xff);
set_clock_line(dac, 0); set_clock_line(dac, 0);
@ -637,7 +642,9 @@ WRITE16_MEMBER( leland_80186_sound_device::dac_w )
WRITE16_MEMBER( redline_80186_sound_device::redline_dac_w ) WRITE16_MEMBER( redline_80186_sound_device::redline_dac_w )
{ {
dac_w(space, (offset >> 8) & 7, (data & 0xff) | (offset << 8), 0xffff); data = (data & 0xff) | (offset << 8);
offset = ((offset >> 8) & 7) | ((offset & 0x2000) ? 0x40 : 0) | ((offset & 0x800) ? 0x20 : 0);
dac_w(space, offset, data, 0xffff);
} }
WRITE16_MEMBER( leland_80186_sound_device::ataxx_dac_control ) WRITE16_MEMBER( leland_80186_sound_device::ataxx_dac_control )
@ -645,7 +652,7 @@ WRITE16_MEMBER( leland_80186_sound_device::ataxx_dac_control )
if (ACCESSING_BITS_0_7) if (ACCESSING_BITS_0_7)
{ {
/* handle common offsets */ /* handle common offsets */
switch (offset) switch (offset & 0x1f)
{ {
case 0x00: case 0x00:
case 0x01: case 0x01:
@ -657,9 +664,6 @@ WRITE16_MEMBER( leland_80186_sound_device::ataxx_dac_control )
m_dacvol[1]->write(((data >> 3) & 7) << 5); m_dacvol[1]->write(((data >> 3) & 7) << 5);
m_dacvol[2]->write(((data >> 6) & 3) << 6); m_dacvol[2]->write(((data >> 6) & 3) << 6);
return; return;
case 0x21:
dac_w(space, 3, data, mem_mask);
return;
} }
} }
@ -667,7 +671,7 @@ WRITE16_MEMBER( leland_80186_sound_device::ataxx_dac_control )
switch (m_type) switch (m_type)
{ {
case TYPE_WSF: case TYPE_WSF:
switch (offset) switch (offset & 0x3f)
{ {
case 0x04: case 0x04:
m_ext_active = 1; m_ext_active = 1;
@ -763,7 +767,6 @@ READ16_MEMBER( leland_80186_sound_device::peripheral_r )
WRITE16_MEMBER( leland_80186_sound_device::peripheral_w ) WRITE16_MEMBER( leland_80186_sound_device::peripheral_w )
{ {
int select = offset / 0x40; int select = offset / 0x40;
offset &= 0x3f;
switch (select) switch (select)
{ {
@ -784,7 +787,7 @@ WRITE16_MEMBER( leland_80186_sound_device::peripheral_w )
m_pit[1]->write(offset & 3, data); m_pit[1]->write(offset & 3, data);
} }
else if(m_type == TYPE_WSF) else if(m_type == TYPE_WSF)
m_ymsnd->write(offset, data); m_ymsnd->write(offset & 0x3f, data);
break; break;
case 4: case 4:
@ -802,7 +805,7 @@ WRITE16_MEMBER( leland_80186_sound_device::peripheral_w )
case 5: /* Ataxx/WSF/Indy Heat only */ case 5: /* Ataxx/WSF/Indy Heat only */
if (m_type > TYPE_REDLINE) if (m_type > TYPE_REDLINE)
ataxx_dac_control(space, offset, data, mem_mask); ataxx_dac_control(space, offset & 0x7f, data, mem_mask);
break; break;
default: default: