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Diffstat (limited to 'src/mame/drivers/sdk80.cpp')
-rw-r--r--src/mame/drivers/sdk80.cpp30
1 files changed, 16 insertions, 14 deletions
diff --git a/src/mame/drivers/sdk80.cpp b/src/mame/drivers/sdk80.cpp
index 9c10cc73505..e58b57ab3c1 100644
--- a/src/mame/drivers/sdk80.cpp
+++ b/src/mame/drivers/sdk80.cpp
@@ -68,20 +68,22 @@ private:
uint8_t m_usart_clock_state;
};
-ADDRESS_MAP_START(sdk80_state::sdk80_mem)
- ADDRESS_MAP_UNMAP_HIGH
- AM_RANGE(0x0000, 0x0fff) AM_ROM
- AM_RANGE(0x1000, 0x13ff) AM_RAM
-ADDRESS_MAP_END
-
-ADDRESS_MAP_START(sdk80_state::sdk80_io)
- ADDRESS_MAP_UNMAP_HIGH
- ADDRESS_MAP_GLOBAL_MASK(0xff)
- AM_RANGE(0xec, 0xef) AM_DEVREADWRITE(I8255A_1_TAG, i8255_device, read, write)
- AM_RANGE(0xf4, 0xf7) AM_DEVREADWRITE(I8255A_0_TAG, i8255_device, read, write)
- AM_RANGE(0xfa, 0xfa) AM_DEVREADWRITE(I8251A_TAG, i8251_device, data_r, data_w)
- AM_RANGE(0xfb, 0xfb) AM_DEVREADWRITE(I8251A_TAG, i8251_device, status_r, control_w)
-ADDRESS_MAP_END
+void sdk80_state::sdk80_mem(address_map &map)
+{
+ map.unmap_value_high();
+ map(0x0000, 0x0fff).rom();
+ map(0x1000, 0x13ff).ram();
+}
+
+void sdk80_state::sdk80_io(address_map &map)
+{
+ map.unmap_value_high();
+ map.global_mask(0xff);
+ map(0xec, 0xef).rw(m_ppi_1, FUNC(i8255_device::read), FUNC(i8255_device::write));
+ map(0xf4, 0xf7).rw(m_ppi_0, FUNC(i8255_device::read), FUNC(i8255_device::write));
+ map(0xfa, 0xfa).rw(m_usart, FUNC(i8251_device::data_r), FUNC(i8251_device::data_w));
+ map(0xfb, 0xfb).rw(m_usart, FUNC(i8251_device::status_r), FUNC(i8251_device::control_w));
+}
static INPUT_PORTS_START( sdk80 )
PORT_START(I8251A_BAUD_TAG)