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Diffstat (limited to 'src/mame/drivers/sdk86.cpp')
-rw-r--r--src/mame/drivers/sdk86.cpp28
1 files changed, 15 insertions, 13 deletions
diff --git a/src/mame/drivers/sdk86.cpp b/src/mame/drivers/sdk86.cpp
index d214e156650..97ed529cf16 100644
--- a/src/mame/drivers/sdk86.cpp
+++ b/src/mame/drivers/sdk86.cpp
@@ -59,19 +59,21 @@ private:
required_device<cpu_device> m_maincpu;
};
-ADDRESS_MAP_START(sdk86_state::sdk86_mem)
- AM_RANGE(0x00000, 0x00fff) AM_RAM //2K standard, or 4k (board fully populated)
- AM_RANGE(0xfe000, 0xfffff) AM_ROM
-ADDRESS_MAP_END
-
-ADDRESS_MAP_START(sdk86_state::sdk86_io)
- ADDRESS_MAP_UNMAP_HIGH
- AM_RANGE(0xfff0, 0xfff1) AM_MIRROR(4) AM_DEVREADWRITE8(I8251_TAG, i8251_device, data_r, data_w, 0xff)
- AM_RANGE(0xfff2, 0xfff3) AM_MIRROR(4) AM_DEVREADWRITE8(I8251_TAG, i8251_device, status_r, control_w, 0xff)
- AM_RANGE(0xffe8, 0xffeb) AM_MIRROR(4) AM_DEVREADWRITE8("i8279", i8279_device, read, write, 0xff)
- AM_RANGE(0xfff8, 0xffff) AM_DEVREADWRITE8("port1", i8255_device, read, write, 0xff00)
- AM_RANGE(0xfff8, 0xffff) AM_DEVREADWRITE8("port2", i8255_device, read, write, 0x00ff)
-ADDRESS_MAP_END
+void sdk86_state::sdk86_mem(address_map &map)
+{
+ map(0x00000, 0x00fff).ram(); //2K standard, or 4k (board fully populated)
+ map(0xfe000, 0xfffff).rom();
+}
+
+void sdk86_state::sdk86_io(address_map &map)
+{
+ map.unmap_value_high();
+ map(0xfff0, 0xfff0).mirror(4).rw(I8251_TAG, FUNC(i8251_device::data_r), FUNC(i8251_device::data_w));
+ map(0xfff2, 0xfff2).mirror(4).rw(I8251_TAG, FUNC(i8251_device::status_r), FUNC(i8251_device::control_w));
+ map(0xffe8, 0xffeb).mirror(4).rw("i8279", FUNC(i8279_device::read), FUNC(i8279_device::write)).umask16(0x00ff);
+ map(0xfff8, 0xffff).rw("port1", FUNC(i8255_device::read), FUNC(i8255_device::write)).umask16(0xff00);
+ map(0xfff8, 0xffff).rw("port2", FUNC(i8255_device::read), FUNC(i8255_device::write)).umask16(0x00ff);
+}
/* Input ports */
static INPUT_PORTS_START( sdk86 )