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(MESS) ql: Floppy WIP. (nw)

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This commit is contained in:
Curt Coder 2014-05-26 06:38:15 +00:00
parent 759fc95fc4
commit 9a59cd5172
1 changed files with 91 additions and 75 deletions
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166
src/emu/bus/ql/sandy_superqboard.c
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@ -79,7 +79,7 @@ WRITE_LINE_MEMBER( sandy_superqboard_t::busy_w )
static MACHINE_CONFIG_FRAGMENT( sandy_superqboard )
MCFG_DEVICE_ADD(WD1772_TAG, WD1772x, XTAL_16MHz/2)
MCFG_FLOPPY_DRIVE_ADD(WD1772_TAG":0", sandy_superqboard_floppies, "35dd", floppy_image_device::default_floppy_formats)
MCFG_FLOPPY_DRIVE_ADD(WD1772_TAG":0", sandy_superqboard_floppies, "35hd", floppy_image_device::default_floppy_formats)
MCFG_FLOPPY_DRIVE_ADD(WD1772_TAG":1", sandy_superqboard_floppies, NULL, floppy_image_device::default_floppy_formats)
MCFG_CENTRONICS_ADD(CENTRONICS_TAG, centronics_printers, "printer")
@ -109,7 +109,7 @@ machine_config_constructor sandy_superqboard_t::device_mconfig_additions() const
//-------------------------------------------------
sandy_superqboard_t::sandy_superqboard_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
device_t(mconfig, SANDY_SUPERQBOARD, "SANDY_SUPERQBOARD", tag, owner, clock, "sandy_superqboard", __FILE__),
device_t(mconfig, SANDY_SUPERQBOARD, "Sandy SuperQBoard", tag, owner, clock, "sandy_superqboard", __FILE__),
device_ql_expansion_card_interface(mconfig, *this),
m_fdc(*this, WD1772_TAG),
m_floppy0(*this, WD1772_TAG":0"),
@ -154,32 +154,42 @@ void sandy_superqboard_t::device_reset()
UINT8 sandy_superqboard_t::read(address_space &space, offs_t offset, UINT8 data)
{
switch ((offset >> 2) & 0x03)
if ((offset & 0xf0000) == 0xc0000)
{
case 0:
data = m_fdc->read(space, offset & 0x03);
break;
case 3:
/*
if ((offset & 0xffc0) == 0x3fc0)
{
switch ((offset >> 2) & 0x03)
{
case 0:
data = m_fdc->read(space, offset & 0x03);
break;
case 3:
/*
bit description
bit description
0 BUSY
1 mouse pin 8
2 mouse pin 1
3 mouse pin 2
4 mouse pin 4 flip-flop Q
5 mouse pin 3 flip-flop Q
6 INT3
7 INT2
0 BUSY
1 mouse pin 8
2 mouse pin 1
3 mouse pin 2
4 mouse pin 4 flip-flop Q
5 mouse pin 3 flip-flop Q
6 INT3
7 INT2
*/
*/
data = m_busy;
data |= m_int3 << 6;
data |= m_int2 << 7;
break;
data = m_busy;
data |= m_int3 << 6;
data |= m_int2 << 7;
break;
}
}
else
{
data = m_rom->base()[offset & 0x7fff];
}
}
return data;
@ -192,65 +202,71 @@ UINT8 sandy_superqboard_t::read(address_space &space, offs_t offset, UINT8 data)
void sandy_superqboard_t::write(address_space &space, offs_t offset, UINT8 data)
{
switch ((offset >> 2) & 0x03)
if ((offset & 0xf0000) == 0xc0000)
{
case 0:
m_fdc->write(space, offset & 0x03, data);
break;
case 1:
if ((offset & 0xffc0) == 0x3fc0)
{
/*
switch ((offset >> 2) & 0x03)
{
case 0:
m_fdc->write(space, offset & 0x03, data);
break;
bit description
case 1:
{
/*
0 SIDE ONE
1 DSEL0
2 DSEL1
3 M ON0
4 /DDEN
5 STROBE inverted
6 GAL pin 11
7 GAL pin 9
bit description
*/
0 SIDE ONE
1 DSEL0
2 DSEL1
3 M ON0
4 /DDEN
5 STROBE inverted
6 GAL pin 11
7 GAL pin 9
floppy_image_device *floppy = NULL;
*/
if (BIT(data, 1))
{
floppy = m_floppy0->get_device();
floppy_image_device *floppy = NULL;
if (BIT(data, 1))
{
floppy = m_floppy0->get_device();
}
else if (BIT(data, 2))
{
floppy = m_floppy1->get_device();
}
m_fdc->set_floppy(floppy);
if (floppy)
{
floppy->ss_w(BIT(data, 0));
floppy->mon_w(BIT(data, 3));
}
m_fdc->dden_w(BIT(data, 4));
m_centronics->write_strobe(!BIT(data, 5));
}
break;
case 2:
m_latch->write(data);
break;
case 4:
m_int2 = 0;
m_int3 = 0;
break;
case 5:
m_fdc->set_unscaled_clock(XTAL_16MHz >> !BIT(data, 0));
break;
}
}
else if (BIT(data, 2))
{
floppy = m_floppy1->get_device();
}
m_fdc->set_floppy(floppy);
if (floppy)
{
floppy->ss_w(BIT(data, 0));
floppy->mon_w(BIT(data, 3));
}
m_fdc->dden_w(BIT(data, 4));
m_centronics->write_strobe(!BIT(data, 5));
}
break;
case 2:
m_latch->write(data);
break;
case 4:
m_int2 = 0;
m_int3 = 0;
break;
case 5:
m_fdc->set_unscaled_clock(XTAL_16MHz >> !BIT(data, 0));
break;
}
}