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pulsarlb: fixed a few more mistakes (nw)

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This commit is contained in:
Robbbert 2016-12-10 00:46:49 +11:00
parent 3801181ced
commit c1a77cedcb
1 changed files with 25 additions and 14 deletions
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39
src/mame/drivers/pulsar.cpp
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@ -55,6 +55,7 @@ public:
m_brg(*this, "brg"),
m_fdc (*this, "fdc"),
m_floppy0(*this, "fdc:0"),
m_floppy1(*this, "fdc:1"),
m_rtc(*this, "rtc")
{
}
@ -77,6 +78,7 @@ private:
required_device<com8116_device> m_brg;
required_device<fd1797_t> m_fdc;
required_device<floppy_connector> m_floppy0;
required_device<floppy_connector> m_floppy1;
required_device<msm5832_device> m_rtc;
};
@ -138,41 +140,46 @@ d7 XMEMEX line (for external memory, not emulated)
WRITE8_MEMBER( pulsar_state::ppi_pa_w )
{
m_floppy = nullptr;
if (BIT(data, 0)) m_floppy = m_floppy0->get_device();
if (BIT(data, 0))
m_floppy = m_floppy0->get_device();
else
if (BIT(data, 1))
m_floppy = m_floppy1->get_device();
m_fdc->set_floppy(m_floppy);
m_fdc->dden_w(BIT(data, 5));
if (m_floppy)
m_floppy->mon_w(0);
}
/*
d0..d3 RTC address
d4 RTC read line (inverted in emulation)
d5 RTC write line (inverted in emulation)
d4 RTC read line
d5 RTC write line
d6 RTC hold line
d7 Allow 64k of ram
*/
WRITE8_MEMBER( pulsar_state::ppi_pb_w )
{
m_rtc->address_w(data & 0x0f);
m_rtc->read_w(!BIT(data, 4));
m_rtc->write_w(!BIT(data, 5));
m_rtc->read_w(BIT(data, 4));
m_rtc->write_w(BIT(data, 5));
m_rtc->hold_w(BIT(data, 6));
membank("bankr1")->set_entry(BIT(data, 7));
}
/*
d0..d3 Data lines to rtc
d7 /2 SIDES (assumed to be side select)
*/
// d0..d3 Data lines to rtc
WRITE8_MEMBER( pulsar_state::ppi_pc_w )
{
m_rtc->data_w(space, 0, data & 15);
if (m_floppy)
m_floppy->ss_w(BIT(data, 7));
}
// d7 /2 SIDES
READ8_MEMBER( pulsar_state::ppi_pc_r )
{
return m_rtc->data_r(space, 0);
uint8_t data = 0;
if (m_floppy)
data = m_floppy->twosid_r() << 7;
return m_rtc->data_r(space, 0) | data;
}
static DEVICE_INPUT_DEFAULTS_START( terminal )
@ -185,7 +192,8 @@ static DEVICE_INPUT_DEFAULTS_START( terminal )
DEVICE_INPUT_DEFAULTS_END
static SLOT_INTERFACE_START( pulsar_floppies )
SLOT_INTERFACE( "525dd", FLOPPY_525_HD )
SLOT_INTERFACE( "drive0", FLOPPY_525_HD )
SLOT_INTERFACE( "drive1", FLOPPY_525_HD )
SLOT_INTERFACE_END
/* Input ports */
@ -248,7 +256,10 @@ static MACHINE_CONFIG_START( pulsar, pulsar_state )
MCFG_COM8116_FT_HANDLER(WRITELINE(pulsar_state, ft_w))
MCFG_FD1797_ADD("fdc", XTAL_4MHz / 2)
MCFG_FLOPPY_DRIVE_ADD("fdc:0", pulsar_floppies, "525dd", floppy_image_device::default_floppy_formats)
MCFG_FLOPPY_DRIVE_ADD("fdc:0", pulsar_floppies, "drive0", floppy_image_device::default_floppy_formats)
MCFG_FLOPPY_DRIVE_SOUND(true)
MCFG_FLOPPY_DRIVE_ADD("fdc:1", pulsar_floppies, "drive1", floppy_image_device::default_floppy_formats)
MCFG_FLOPPY_DRIVE_SOUND(true)
MACHINE_CONFIG_END
/* ROM definition */