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author arbee <rb6502@users.noreply.github.com>2017-07-18 00:33:31 -0400
committer arbee <rb6502@users.noreply.github.com>2017-07-18 00:33:31 -0400
commit835fdddd61498210ebc19e2bae077fc681e574f1 (patch)
tree3066dc7773b8950eea31ba61226acd2fa51259b0 /src/mame/drivers/alphatro.cpp
parent1adb089a930b38a572e9ce6132b264a25f58d01b (diff)
alphatro: Correct motor on and FDC reset. [R. Belmont]
Diffstat (limited to 'src/mame/drivers/alphatro.cpp')
-rw-r--r--src/mame/drivers/alphatro.cpp35
1 files changed, 23 insertions, 12 deletions
diff --git a/src/mame/drivers/alphatro.cpp b/src/mame/drivers/alphatro.cpp
index f21c1afafa0..598a6b43d52 100644
--- a/src/mame/drivers/alphatro.cpp
+++ b/src/mame/drivers/alphatro.cpp
@@ -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)