diff options
Diffstat (limited to 'src/mame/drivers/ccs300.cpp')
-rw-r--r-- | src/mame/drivers/ccs300.cpp | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/src/mame/drivers/ccs300.cpp b/src/mame/drivers/ccs300.cpp index 6a7c1ee19df..a3e5dcb5ed3 100644 --- a/src/mame/drivers/ccs300.cpp +++ b/src/mame/drivers/ccs300.cpp @@ -47,24 +47,26 @@ private: required_device<cpu_device> m_maincpu; }; -ADDRESS_MAP_START(ccs300_state::ccs300_mem) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x0000, 0x07ff) AM_READ_BANK("bankr0") AM_WRITE_BANK("bankw0") - AM_RANGE(0x0800, 0xffff) AM_RAM -ADDRESS_MAP_END - -ADDRESS_MAP_START(ccs300_state::ccs300_io) - ADDRESS_MAP_UNMAP_HIGH - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x10, 0x13) AM_DEVREADWRITE("sio", z80sio_device, ba_cd_r, ba_cd_w) - AM_RANGE(0x14, 0x17) AM_DEVREADWRITE("pio", z80pio_device, read_alt, write_alt) // init bytes seem to be for a PIO - AM_RANGE(0x18, 0x1b) AM_DEVREADWRITE("ctc", z80ctc_device, read, write) // init bytes seem to be for a CTC - AM_RANGE(0x30, 0x33) // fdc? - AM_RANGE(0x34, 0x34) // motor control? - AM_RANGE(0x40, 0x40) AM_WRITE(port40_w) - AM_RANGE(0xf0, 0xf0) // unknown, long sequence of init bytes - AM_RANGE(0xf2, 0xf2) // dip or jumper? -ADDRESS_MAP_END +void ccs300_state::ccs300_mem(address_map &map) +{ + map.unmap_value_high(); + map(0x0000, 0x07ff).bankr("bankr0").bankw("bankw0"); + map(0x0800, 0xffff).ram(); +} + +void ccs300_state::ccs300_io(address_map &map) +{ + map.unmap_value_high(); + map.global_mask(0xff); + map(0x10, 0x13).rw("sio", FUNC(z80sio_device::ba_cd_r), FUNC(z80sio_device::ba_cd_w)); + map(0x14, 0x17).rw("pio", FUNC(z80pio_device::read_alt), FUNC(z80pio_device::write_alt)); // init bytes seem to be for a PIO + map(0x18, 0x1b).rw("ctc", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); // init bytes seem to be for a CTC + map(0x30, 0x33); // fdc? + map(0x34, 0x34); // motor control? + map(0x40, 0x40).w(this, FUNC(ccs300_state::port40_w)); + map(0xf0, 0xf0); // unknown, long sequence of init bytes + map(0xf2, 0xf2); // dip or jumper? +} /* Input ports */ static INPUT_PORTS_START( ccs300 ) |