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Diffstat (limited to 'src/mame/drivers/mc1502.cpp')
-rw-r--r--src/mame/drivers/mc1502.cpp28
1 files changed, 15 insertions, 13 deletions
diff --git a/src/mame/drivers/mc1502.cpp b/src/mame/drivers/mc1502.cpp
index 6940be9ed91..44835cfcd57 100644
--- a/src/mame/drivers/mc1502.cpp
+++ b/src/mame/drivers/mc1502.cpp
@@ -217,19 +217,21 @@ MACHINE_RESET_MEMBER(mc1502_state, mc1502)
* macros
*/
-ADDRESS_MAP_START(mc1502_state::mc1502_map)
- ADDRESS_MAP_UNMAP_HIGH
- AM_RANGE(0xf0000, 0xfffff) AM_ROM AM_REGION("bios", 0)
-ADDRESS_MAP_END
-
-ADDRESS_MAP_START(mc1502_state::mc1502_io)
- AM_RANGE(0x0020, 0x0021) AM_DEVREADWRITE("pic8259", pic8259_device, read, write)
- AM_RANGE(0x0028, 0x0028) AM_DEVREADWRITE("upd8251", i8251_device, data_r, data_w)
- AM_RANGE(0x0029, 0x0029) AM_DEVREADWRITE("upd8251", i8251_device, status_r, control_w)
- AM_RANGE(0x0040, 0x0043) AM_DEVREADWRITE("pit8253", pit8253_device, read, write)
- AM_RANGE(0x0060, 0x0063) AM_DEVREADWRITE("ppi8255n1", i8255_device, read, write)
- AM_RANGE(0x0068, 0x006B) AM_DEVREADWRITE("ppi8255n2", i8255_device, read, write) // keyboard poll
-ADDRESS_MAP_END
+void mc1502_state::mc1502_map(address_map &map)
+{
+ map.unmap_value_high();
+ map(0xf0000, 0xfffff).rom().region("bios", 0);
+}
+
+void mc1502_state::mc1502_io(address_map &map)
+{
+ map(0x0020, 0x0021).rw(m_pic8259, FUNC(pic8259_device::read), FUNC(pic8259_device::write));
+ map(0x0028, 0x0028).rw(m_upd8251, FUNC(i8251_device::data_r), FUNC(i8251_device::data_w));
+ map(0x0029, 0x0029).rw(m_upd8251, FUNC(i8251_device::status_r), FUNC(i8251_device::control_w));
+ map(0x0040, 0x0043).rw(m_pit8253, FUNC(pit8253_device::read), FUNC(pit8253_device::write));
+ map(0x0060, 0x0063).rw(m_ppi8255n1, FUNC(i8255_device::read), FUNC(i8255_device::write));
+ map(0x0068, 0x006B).rw(m_ppi8255n2, FUNC(i8255_device::read), FUNC(i8255_device::write)); // keyboard poll
+}
static INPUT_PORTS_START( mc1502 )
PORT_INCLUDE( mc7007_3_keyboard )