summaryrefslogtreecommitdiffstats
path: root/src/mame/drivers/isbc8030.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/isbc8030.cpp')
-rw-r--r--src/mame/drivers/isbc8030.cpp32
1 files changed, 17 insertions, 15 deletions
diff --git a/src/mame/drivers/isbc8030.cpp b/src/mame/drivers/isbc8030.cpp
index 8b67e43ad7d..7e8707aab2e 100644
--- a/src/mame/drivers/isbc8030.cpp
+++ b/src/mame/drivers/isbc8030.cpp
@@ -69,21 +69,23 @@ private:
required_device<rs232_port_device> m_rs232;
};
-ADDRESS_MAP_START(isbc8030_state::isbc8030_mem)
- ADDRESS_MAP_UNMAP_HIGH
- AM_RANGE(0x0000, 0x1fff) AM_ROM
- AM_RANGE(0x2000, 0xffff) AM_RAM
-ADDRESS_MAP_END
-
-ADDRESS_MAP_START(isbc8030_state::isbc8030_io)
- ADDRESS_MAP_UNMAP_HIGH
- ADDRESS_MAP_GLOBAL_MASK(0xff)
- AM_RANGE(0xd8, 0xd9) AM_DEVREADWRITE(I8259A_TAG, pic8259_device, read, write)
- AM_RANGE(0xdc, 0xdf) AM_DEVREADWRITE(I8253_TAG, pit8253_device, read, write)
- AM_RANGE(0xe8, 0xeb) AM_DEVREADWRITE(I8255A_TAG, i8255_device, read, write)
- AM_RANGE(0xec, 0xec) AM_MIRROR(0x02) AM_DEVREADWRITE(I8251A_TAG, i8251_device, data_r, data_w)
- AM_RANGE(0xed, 0xed) AM_MIRROR(0x02) AM_DEVREADWRITE(I8251A_TAG, i8251_device, status_r, control_w)
-ADDRESS_MAP_END
+void isbc8030_state::isbc8030_mem(address_map &map)
+{
+ map.unmap_value_high();
+ map(0x0000, 0x1fff).rom();
+ map(0x2000, 0xffff).ram();
+}
+
+void isbc8030_state::isbc8030_io(address_map &map)
+{
+ map.unmap_value_high();
+ map.global_mask(0xff);
+ map(0xd8, 0xd9).rw(m_pic, FUNC(pic8259_device::read), FUNC(pic8259_device::write));
+ map(0xdc, 0xdf).rw(m_pit, FUNC(pit8253_device::read), FUNC(pit8253_device::write));
+ map(0xe8, 0xeb).rw(m_ppi, FUNC(i8255_device::read), FUNC(i8255_device::write));
+ map(0xec, 0xec).mirror(0x02).rw(m_usart, FUNC(i8251_device::data_r), FUNC(i8251_device::data_w));
+ map(0xed, 0xed).mirror(0x02).rw(m_usart, FUNC(i8251_device::status_r), FUNC(i8251_device::control_w));
+}
static INPUT_PORTS_START( isbc8030 )
INPUT_PORTS_END