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voodoo: Extend PCI interrupt support to Voodoo 2 and above. (nw)

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This commit is contained in:
Ted Green 2017-06-14 10:02:54 -06:00
parent 2c63f0e4fe
commit 0381699796
1 changed files with 10 additions and 20 deletions
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30
src/devices/video/voodoo.cpp
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@ -937,8 +937,8 @@ TIMER_CALLBACK_MEMBER( voodoo_device::vblank_off_callback )
/* set internal state and call the client */
fbi.vblank = false;
// TODO: Vblank IRQ enable is VOODOO3 only?
if (vd_type >= TYPE_VOODOO_3)
// PCI Vblank IRQ enable is VOODOO2 and up
if (vd_type >= TYPE_VOODOO_2)
{
if (reg[intrCtrl].u & 0x8) // call IRQ handler if VSYNC interrupt (falling) is enabled
{
@ -948,15 +948,10 @@ TIMER_CALLBACK_MEMBER( voodoo_device::vblank_off_callback )
m_pciint(true);
}
// External vblank handler
if (!m_vblank.isnull())
m_vblank(false);
}
else
{
if (!m_vblank.isnull())
m_vblank(false);
}
// External vblank handler
if (!m_vblank.isnull())
m_vblank(false);
/* go to the end of the next frame */
adjust_vblank_timer(this);
@ -996,8 +991,8 @@ TIMER_CALLBACK_MEMBER( voodoo_device::vblank_callback )
/* set internal state and call the client */
fbi.vblank = true;
// TODO: Vblank IRQ enable is VOODOO3 only?
if (vd_type >= TYPE_VOODOO_3)
// PCI Vblank IRQ enable is VOODOO2 and up
if (vd_type >= TYPE_VOODOO_2)
{
if (reg[intrCtrl].u & 0x4) // call IRQ handler if VSYNC interrupt (rising) is enabled
{
@ -1006,15 +1001,10 @@ TIMER_CALLBACK_MEMBER( voodoo_device::vblank_callback )
if (!m_pciint.isnull())
m_pciint(true);
}
// External vblank handler
if (!m_vblank.isnull())
m_vblank(true);
}
else
{
if (!m_vblank.isnull())
m_vblank(true);
}
// External vblank handler
if (!m_vblank.isnull())
m_vblank(true);
}