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interpro_ioga: sapphire 60Hz interrupt (nw)

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This commit is contained in:
Patrick Mackinlay 2019-06-04 19:39:15 +07:00
parent 21270d76ac
commit a9c01535bd
2 changed files with 15 additions and 5 deletions
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14
src/mame/machine/interpro_ioga.cpp
View File

@ -462,7 +462,7 @@ void interpro_ioga_device::irq(int state, u8 irq_vector)
if (m_irq_state != state)
{
LOGIRQ(m_active_interrupt_number, "irq: %s interrupt type %d number %d\n",
state ? "asserting" : "clearing",m_active_interrupt_type, m_active_interrupt_number);
state ? "asserting" : "clearing", m_active_interrupt_type, m_active_interrupt_number);
m_irq_state = state;
m_out_irq_func(state);
@ -709,13 +709,14 @@ TIMER_CALLBACK_MEMBER(interpro_ioga_device::dma)
if (dma_channel.control & DMA_CTRL_VIRTUAL)
{
const u32 ptde = m_memory->read_dword(dma_channel.virtual_address);
dma_channel.virtual_address += 4;
// FIXME: ignore the page fault flag?
dma_channel.real_address = ptde & ~0xfff;
LOGDMA(dma_channel.channel, "dma: translated virtual 0x%08x real 0x%08x\n",
dma_channel.virtual_address, dma_channel.real_address);
dma_channel.virtual_address += 4;
}
}
}
@ -886,13 +887,14 @@ void interpro_ioga_device::dma_w(address_space &space, offs_t offset, u32 data,
if (data & DMA_CTRL_VIRTUAL)
{
const u32 ptde = m_memory->read_dword(dma_channel.virtual_address);
dma_channel.virtual_address += 4;
// FIXME: ignore the page fault flag?
dma_channel.real_address = (ptde & ~0xfff) | (dma_channel.real_address & 0xfff);
LOGDMA(dma_channel.channel, "dma: translated virtual 0x%08x real 0x%08x\n",
dma_channel.virtual_address, dma_channel.real_address);
dma_channel.virtual_address += 4;
}
// (7.0272) if bus error flag is written, clear existing bus error (otherwise retain existing state)
@ -1068,6 +1070,12 @@ TIMER_CALLBACK_MEMBER(interpro_ioga_device::timer_60hz)
set_int_line(IRQ_60HZ, CLEAR_LINE);
}
TIMER_CALLBACK_MEMBER(sapphire_ioga_device::timer_60hz)
{
set_int_line(IRQ_TIMER0, ASSERT_LINE);
set_int_line(IRQ_TIMER0, CLEAR_LINE);
}
READ32_MEMBER(interpro_ioga_device::timer1_r)
{
u32 result = m_timer1_count & TIMER1_COUNT;

6
src/mame/machine/interpro_ioga.h
View File

@ -75,7 +75,7 @@ public:
DECLARE_WRITE_LINE_MEMBER(ir7_w) { set_int_line(IRQ_7, state); }
DECLARE_WRITE_LINE_MEMBER(ir8_w) { set_int_line(IRQ_CBUS3, state); }
DECLARE_WRITE_LINE_MEMBER(ir9_w) { set_int_line(IRQ_RTC, state); }
DECLARE_WRITE_LINE_MEMBER(ir10_w) { set_int_line(IRQ_60HZ, state); }
//DECLARE_WRITE_LINE_MEMBER(ir10_w) { set_int_line(IRQ_60HZ, state); }
DECLARE_WRITE_LINE_MEMBER(ir11_w) { set_int_line(IRQ_SERIAL, state); }
DECLARE_WRITE_LINE_MEMBER(ir12_w) { set_int_line(IRQ_ETHERNET, state); }
@ -260,7 +260,7 @@ protected:
TIMER_CALLBACK_MEMBER(serial_dma);
TIMER_CALLBACK_MEMBER(timer0);
TIMER_CALLBACK_MEMBER(timer1);
TIMER_CALLBACK_MEMBER(timer_60hz);
virtual TIMER_CALLBACK_MEMBER(timer_60hz);
virtual TIMER_CALLBACK_MEMBER(eth_reset) = 0;
@ -465,6 +465,8 @@ public:
virtual void map(address_map &map) override;
virtual TIMER_CALLBACK_MEMBER(timer_60hz) override;
DECLARE_WRITE16_MEMBER(eth_w);
DECLARE_READ16_MEMBER(eth_r);