Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-06-14 00:25:38 +03:00
Code Issues Actions 4 Packages Projects Releases Wiki Activity

don't update irq/dmarq unless they change (nw)

Browse Source
This commit is contained in:
smf- 2013-06-23 23:25:58 +00:00
parent bfdaa5393a
commit 08bfb782dc
1 changed files with 20 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/emu/machine/ataintf.c
View File

@ -44,30 +44,42 @@ void ata_interface_device::set_dmarq(int state)
WRITE_LINE_MEMBER( ata_interface_device::irq0_write_line ) WRITE_LINE_MEMBER( ata_interface_device::irq0_write_line )
{ {
if (m_irq[0] != state)
{
m_irq[0] = state; m_irq[0] = state;
set_irq(m_irq[0] == ASSERT_LINE || m_irq[1] == ASSERT_LINE); set_irq(m_irq[0] == ASSERT_LINE || m_irq[1] == ASSERT_LINE);
}
} }
WRITE_LINE_MEMBER( ata_interface_device::irq1_write_line ) WRITE_LINE_MEMBER( ata_interface_device::irq1_write_line )
{ {
if (m_irq[1] != state)
{
m_irq[1] = state; m_irq[1] = state;
set_irq(m_irq[0] == ASSERT_LINE || m_irq[1] == ASSERT_LINE); set_irq(m_irq[0] == ASSERT_LINE || m_irq[1] == ASSERT_LINE);
}
} }
WRITE_LINE_MEMBER( ata_interface_device::dmarq0_write_line ) WRITE_LINE_MEMBER( ata_interface_device::dmarq0_write_line )
{ {
if (m_dmarq[0] != state)
{
m_dmarq[0] = state; m_dmarq[0] = state;
set_dmarq(m_dmarq[0] == ASSERT_LINE || m_dmarq[1] == ASSERT_LINE); set_dmarq(m_dmarq[0] == ASSERT_LINE || m_dmarq[1] == ASSERT_LINE);
}
} }
WRITE_LINE_MEMBER( ata_interface_device::dmarq1_write_line ) WRITE_LINE_MEMBER( ata_interface_device::dmarq1_write_line )
{ {
if (m_dmarq[1] != state)
{
m_dmarq[1] = state; m_dmarq[1] = state;
set_dmarq(m_dmarq[0] == ASSERT_LINE || m_dmarq[1] == ASSERT_LINE); set_dmarq(m_dmarq[0] == ASSERT_LINE || m_dmarq[1] == ASSERT_LINE);
}
} }