diff options
Diffstat (limited to 'src/mame/drivers/mc8020.cpp')
-rw-r--r-- | src/mame/drivers/mc8020.cpp | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/src/mame/drivers/mc8020.cpp b/src/mame/drivers/mc8020.cpp index 089305b2335..bac308f21e6 100644 --- a/src/mame/drivers/mc8020.cpp +++ b/src/mame/drivers/mc8020.cpp @@ -48,20 +48,22 @@ private: required_ioport_array<7> m_keyboard; }; -ADDRESS_MAP_START(mc8020_state::mem_map) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x0000, 0x0bff) AM_ROM - AM_RANGE(0x0c00, 0x0fff) AM_RAM AM_SHARE("videoram")// 1KB RAM ZRE - AM_RANGE(0x2000, 0x5fff) AM_ROM - AM_RANGE(0x6000, 0xffff) AM_RAM -ADDRESS_MAP_END - -ADDRESS_MAP_START(mc8020_state::io_map) - ADDRESS_MAP_UNMAP_HIGH - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0xf0, 0xf3) AM_DEVREADWRITE("ctc", z80ctc_device, read, write) - AM_RANGE(0xf4, 0xf7) AM_DEVREADWRITE("pio", z80pio_device, read_alt, write_alt) -ADDRESS_MAP_END +void mc8020_state::mem_map(address_map &map) +{ + map.unmap_value_high(); + map(0x0000, 0x0bff).rom(); + map(0x0c00, 0x0fff).ram().share("videoram");// 1KB RAM ZRE + map(0x2000, 0x5fff).rom(); + map(0x6000, 0xffff).ram(); +} + +void mc8020_state::io_map(address_map &map) +{ + map.unmap_value_high(); + map.global_mask(0xff); + map(0xf0, 0xf3).rw("ctc", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); + map(0xf4, 0xf7).rw("pio", FUNC(z80pio_device::read_alt), FUNC(z80pio_device::write_alt)); +} /* Input ports */ |