diff options
Diffstat (limited to 'src/mame/drivers/specpls3.cpp')
-rw-r--r-- | src/mame/drivers/specpls3.cpp | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/src/mame/drivers/specpls3.cpp b/src/mame/drivers/specpls3.cpp index 02363858cdd..139cecad237 100644 --- a/src/mame/drivers/specpls3.cpp +++ b/src/mame/drivers/specpls3.cpp @@ -305,23 +305,25 @@ WRITE8_MEMBER( spectrum_state::spectrum_plus3_port_1ffd_w ) /* ports are not decoded full. The function decodes the ports appropriately */ -ADDRESS_MAP_START(spectrum_state::spectrum_plus3_io) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x0000, 0x0000) AM_READWRITE(spectrum_port_fe_r,spectrum_port_fe_w) AM_SELECT(0xfffe) - AM_RANGE(0x4000, 0x4000) AM_WRITE(spectrum_plus3_port_7ffd_w) AM_MIRROR(0x3ffd) - AM_RANGE(0x8000, 0x8000) AM_DEVWRITE("ay8912", ay8910_device, data_w) AM_MIRROR(0x3ffd) - AM_RANGE(0xc000, 0xc000) AM_DEVREADWRITE("ay8912", ay8910_device, data_r, address_w) AM_MIRROR(0x3ffd) - AM_RANGE(0x1000, 0x1000) AM_WRITE(spectrum_plus3_port_1ffd_w) AM_MIRROR(0x0ffd) - AM_RANGE(0x2000, 0x2000) AM_READ(spectrum_plus3_port_2ffd_r) AM_MIRROR(0x0ffd) - AM_RANGE(0x3000, 0x3000) AM_READWRITE(spectrum_plus3_port_3ffd_r,spectrum_plus3_port_3ffd_w) AM_MIRROR(0x0ffd) -ADDRESS_MAP_END - -ADDRESS_MAP_START(spectrum_state::spectrum_plus3_mem) - AM_RANGE(0x0000, 0x3fff) AM_ROMBANK("bank1") - AM_RANGE(0x4000, 0x7fff) AM_RAMBANK("bank2") - AM_RANGE(0x8000, 0xbfff) AM_RAMBANK("bank3") - AM_RANGE(0xc000, 0xffff) AM_RAMBANK("bank4") -ADDRESS_MAP_END +void spectrum_state::spectrum_plus3_io(address_map &map) +{ + map.unmap_value_high(); + map(0x0000, 0x0000).rw(this, FUNC(spectrum_state::spectrum_port_fe_r), FUNC(spectrum_state::spectrum_port_fe_w)).select(0xfffe); + map(0x4000, 0x4000).w(this, FUNC(spectrum_state::spectrum_plus3_port_7ffd_w)).mirror(0x3ffd); + map(0x8000, 0x8000).w("ay8912", FUNC(ay8910_device::data_w)).mirror(0x3ffd); + map(0xc000, 0xc000).rw("ay8912", FUNC(ay8910_device::data_r), FUNC(ay8910_device::address_w)).mirror(0x3ffd); + map(0x1000, 0x1000).w(this, FUNC(spectrum_state::spectrum_plus3_port_1ffd_w)).mirror(0x0ffd); + map(0x2000, 0x2000).r(this, FUNC(spectrum_state::spectrum_plus3_port_2ffd_r)).mirror(0x0ffd); + map(0x3000, 0x3000).rw(this, FUNC(spectrum_state::spectrum_plus3_port_3ffd_r), FUNC(spectrum_state::spectrum_plus3_port_3ffd_w)).mirror(0x0ffd); +} + +void spectrum_state::spectrum_plus3_mem(address_map &map) +{ + map(0x0000, 0x3fff).bankr("bank1"); + map(0x4000, 0x7fff).bankrw("bank2"); + map(0x8000, 0xbfff).bankrw("bank3"); + map(0xc000, 0xffff).bankrw("bank4"); +} MACHINE_RESET_MEMBER(spectrum_state,spectrum_plus3) { |