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4dpi: duh (nw)

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This commit is contained in:
Patrick Mackinlay 2019-09-20 15:12:19 +07:00
parent b9ba6bb8bf
commit 833a6ccdba
1 changed files with 9 additions and 6 deletions
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15
src/mame/drivers/4dpi.cpp
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@ -444,6 +444,8 @@ void pi4d2x_state::map(address_map &map)
map(0x1faa0000, 0x1faa0003).lrw8("clrerr", [this](offs_t offset) { m_parerr &= ~(PARERR_BYTE | (1 << offset)); return 0; }, [this](offs_t offset) { m_parerr &= ~(PARERR_BYTE | (1 << offset)); });
map(0x1faa0004, 0x1faa0007).lr8("parerr", [this]() { return m_parerr; }).umask32(0x00ff0000);
map(0x1fac0000, 0x1fac0003).lrw8("vrrst", [this]() { lio_interrupt<LIO_VR>(1); return 0; }, [this](u8 data) { lio_interrupt<LIO_VR>(1); }).umask32(0xff000000);
map(0x1fb00000, 0x1fb00003).rw(m_scsi, FUNC(wd33c93_device::indir_addr_r), FUNC(wd33c93_device::indir_addr_w)).umask32(0x00ff0000);
map(0x1fb00100, 0x1fb00103).rw(m_scsi, FUNC(wd33c93_device::indir_reg_r), FUNC(wd33c93_device::indir_reg_w)).umask32(0x00ff0000);
@ -607,12 +609,12 @@ void pi4d2x_state::common(machine_config &config)
[this](int state)
{
if (state)
m_lio_isr |= (1U << LIO_VRSTAT);
else
{
m_lio_isr &= ~(1U << LIO_VRSTAT);
// FIXME: still problematic?
//lio_interrupt<LIO_VR>(!state);
lio_interrupt<LIO_VR>(0);
}
else
m_lio_isr |= (1U << LIO_VRSTAT);
});
m_gfx->out_int_ge().set(*this, FUNC(pi4d2x_state::lio_interrupt<LIO_GE>)).invert();
m_gfx->out_int_fifo().set(*this, FUNC(pi4d2x_state::lio_interrupt<LIO_FIFO>)).invert();
@ -641,6 +643,7 @@ void pi4d2x_state::initialize()
void pi4d2x_state::lio_interrupt(unsigned number, int state)
{
// TODO: special handling for fifo half-full interrupt
u16 const mask = 1 << number;
// record interrupt state
@ -651,7 +654,7 @@ void pi4d2x_state::lio_interrupt(unsigned number, int state)
// update interrupt line
bool const lio_int = ~m_lio_isr & m_lio_imr;
if (m_lio_imr ^ lio_int)
if (m_lio_int ^ lio_int)
{
m_lio_int = lio_int;
m_cpu->set_input_line(INPUT_LINE_IRQ1, m_lio_int);