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alphatro: Correct motor on and FDC reset. [R. Belmont]

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This commit is contained in:
arbee 2017-07-18 00:33:31 -04:00
parent 1adb089a93
commit 835fdddd61
1 changed files with 23 additions and 12 deletions
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35
src/mame/drivers/alphatro.cpp
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@ -79,7 +79,8 @@ public:
DECLARE_WRITE8_MEMBER(port10_w);
DECLARE_WRITE8_MEMBER(port20_w);
DECLARE_READ8_MEMBER(port30_r);
DECLARE_WRITE8_MEMBER(port30_w);
DECLARE_WRITE8_MEMBER(port30_w);
DECLARE_WRITE8_MEMBER(portf0_w);
DECLARE_INPUT_CHANGED_MEMBER(alphatro_break);
DECLARE_WRITE_LINE_MEMBER(txdata_callback);
DECLARE_WRITE_LINE_MEMBER(write_usart_clock);
@ -95,7 +96,7 @@ private:
required_device<screen_device> m_screen;
u8 m_flashcnt;
u8 m_cass_data[4];
u8 m_port_10, m_port_20, m_port_30;
u8 m_port_10, m_port_20, m_port_30, m_port_f0;
bool m_cass_state;
bool m_cassold;
virtual void machine_start() override;
@ -239,6 +240,25 @@ WRITE8_MEMBER( alphatro_state::port30_w )
m_port_30 = data;
}
WRITE8_MEMBER( alphatro_state::portf0_w)
{
if ((data & 0x1) && !(m_port_f0))
{
m_fdc->reset();
floppy_connector *con = machine().device<floppy_connector>("fdc:0");
floppy_image_device *floppy = con ? con->get_device() : nullptr;
if (floppy)
{
floppy->mon_w(0);
m_fdc->set_floppy(floppy);
m_fdc->set_rate(250000);
}
}
m_port_f0 = data;
}
void alphatro_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
switch(id)
@ -368,10 +388,9 @@ static ADDRESS_MAP_START( alphatro_io, AS_IO, 8, alphatro_state )
AM_RANGE(0x60, 0x68) AM_DEVREADWRITE("dmac", i8257_device, read, write)
// 8259 PIT
//AM_RANGE(0x70, 0x72) AM_DEVREADWRITE("
AM_RANGE(0xf0, 0xf0) AM_DEVREAD("fdc", upd765a_device, msr_r)
AM_RANGE(0xf0, 0xf0) AM_DEVREAD("fdc", upd765a_device, msr_r) AM_WRITE(portf0_w)
AM_RANGE(0xf8, 0xf8) AM_DEVREADWRITE("fdc", upd765a_device, fifo_r, fifo_w)
AM_RANGE(0xf9, 0xf9) AM_DEVREAD("fdc", upd765a_device, msr_r)
ADDRESS_MAP_END
static INPUT_PORTS_START( alphatro )
@ -519,14 +538,6 @@ void alphatro_state::machine_reset()
m_cassold = 0;
m_usart->write_rxd(0);
m_beep->set_state(0);
floppy_connector *con = machine().device<floppy_connector>("fdc:0");
floppy_image_device *floppy = con ? con->get_device() : nullptr;
if (floppy)
{
m_fdc->set_floppy(floppy);
m_fdc->set_rate(500000); // DS/DD? 250000 didn't work either...
}
}
PALETTE_INIT_MEMBER(alphatro_state, alphatro)