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nec/pc80s13k.cpp: sync pc88va2_fd_if_device with timer fixup from main driver

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This commit is contained in:
angelosa 2025-03-22 14:34:25 +01:00
parent 8bbff64062
commit 80162c1546
1 changed files with 10 additions and 40 deletions
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50
src/mame/nec/pc80s31k.cpp
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@ -511,7 +511,7 @@ void pc88va2_fd_if_device::device_add_mconfig(machine_config &config)
{
pc80s31k_device::device_add_mconfig(config);
m_fdc->intrq_wr_callback().append([this](int state) { if(m_fdc_mode & 1) { m_write_irq(state); } });
m_fdc->drq_wr_callback().set([this](int state) { printf("%d %d\n", m_fdc_mode, state); if(m_fdc_mode & 1) { m_write_drq(state); } });
m_fdc->drq_wr_callback().set([this](int state) { if(m_fdc_mode & 1) { m_write_drq(state); } });
// m_fdc->set_ready_line_connected(false);
}
@ -684,10 +684,10 @@ void pc88va2_fd_if_device::host_motor_control_w(u8 data)
*/
void pc88va2_fd_if_device::host_fdc_control_w(u8 data)
{
const bool fdcrst = bool(BIT(data, 7));
const bool ttrg = bool(BIT(data, 0));
const bool cur_xtmask = bool(BIT(data, 2));
const bool cur_dmae = bool(BIT(data, 4));
const bool fdcrst = !!(BIT(data, 7));
const bool ttrg = !!(BIT(data, 0));
const bool cur_xtmask = !!(BIT(data, 2));
const bool cur_dmae = !!(BIT(data, 4));
LOG("$1b6 FDC control port 2 (%02x) %d FDCRST| %d%d FDCFRY| %d DMAE| %d XTMASK| %d TTRG\n"
, data
, fdcrst
@ -698,49 +698,19 @@ void pc88va2_fd_if_device::host_fdc_control_w(u8 data)
, ttrg
);
if( ttrg )
if( ttrg && !BIT(m_fdc_ctrl_2, 0) )
m_fdc_timer->adjust(attotime::from_msec(100));
// if (cur_dmae && !m_dmae)
{
// m_fdc->set_ready_line_connected(0);
// m_fdc->ready_w(0);
}
m_dmae = cur_dmae;
// TODO: confirm condition
// shanghai and famista (at very least) sends a motor off if left idle for a while,
// then any attempt to load/save will fail because there's no explicit motor on
// written back to $1b4.
// Note that this still isn't enough to avoid floppy errors, but makes failures
// to be eventually recoverable for now.
if (!m_xtmask && cur_xtmask && ttrg)
{
floppy_image_device *floppy0, *floppy1;
floppy0 = m_floppy[0]->get_device();
floppy1 = m_floppy[1]->get_device();
// TODO: check me out
if (floppy0)
if (m_floppy[0]->get_device()->mon_r() == 1)
m_motor_start_timer[0]->adjust(attotime::from_msec(505));
if (floppy1)
if (m_floppy[1]->get_device()->mon_r() == 1)
m_motor_start_timer[1]->adjust(attotime::from_msec(505));
}
else if (!ttrg && BIT(m_fdc_ctrl_2, 0) )
m_fdc_timer->adjust(attotime::never);
m_xtmask = cur_xtmask;
//if (!BIT(m_fdc_ctrl_2, 4) && BIT(data, 4))
// m_maincpu->dreq_w<2>(1);
//m_dmac->dreq2_w(1);
// TODO: 0 -> 1 transition?
if( fdcrst )
m_fdc->reset();
m_dmae = cur_dmae;
m_fdc_ctrl_2 = data;
//m_fdd[0]->get_device()->mon_w(!(BIT(data, 5)));