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Diffstat (limited to 'src/devices/bus/isa/dectalk.cpp')
-rw-r--r--src/devices/bus/isa/dectalk.cpp16
1 files changed, 9 insertions, 7 deletions
diff --git a/src/devices/bus/isa/dectalk.cpp b/src/devices/bus/isa/dectalk.cpp
index 07aa5181a9d..dc8f827338a 100644
--- a/src/devices/bus/isa/dectalk.cpp
+++ b/src/devices/bus/isa/dectalk.cpp
@@ -52,13 +52,14 @@ READ16_MEMBER(dectalk_isa_device::host_irq_r)
return 0;
}
-READ8_MEMBER(dectalk_isa_device::dma_r)
+uint8_t dectalk_isa_device::dma_r()
{
- m_cpu->drq1_w(0);
+ if (!machine().side_effects_disabled())
+ m_cpu->drq1_w(0);
return m_dma;
}
-WRITE8_MEMBER(dectalk_isa_device::dma_w)
+void dectalk_isa_device::dma_w(uint8_t data)
{
m_cpu->drq1_w(0);
m_dma = data;
@@ -176,7 +177,7 @@ void dectalk_isa_device::device_add_mconfig(machine_config &config)
vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT);
}
-WRITE8_MEMBER(dectalk_isa_device::write)
+void dectalk_isa_device::write(offs_t offset, uint8_t data)
{
switch(offset)
{
@@ -202,7 +203,7 @@ WRITE8_MEMBER(dectalk_isa_device::write)
}
}
-READ8_MEMBER(dectalk_isa_device::read)
+uint8_t dectalk_isa_device::read(offs_t offset)
{
switch(offset)
{
@@ -215,7 +216,8 @@ READ8_MEMBER(dectalk_isa_device::read)
case 3:
return m_data >> 8;
case 4:
- m_cpu->drq1_w(1);
+ if (!machine().side_effects_disabled())
+ m_cpu->drq1_w(1);
return m_dma;
}
return 0;
@@ -224,7 +226,7 @@ READ8_MEMBER(dectalk_isa_device::read)
void dectalk_isa_device::device_start()
{
set_isa_device();
- m_isa->install_device(0x0250, 0x0257, read8_delegate(*this, FUNC(dectalk_isa_device::read)), write8_delegate(*this, FUNC(dectalk_isa_device::write)));
+ m_isa->install_device(0x0250, 0x0257, read8sm_delegate(*this, FUNC(dectalk_isa_device::read)), write8sm_delegate(*this, FUNC(dectalk_isa_device::write)));
}
void dectalk_isa_device::device_reset()