diff options
Diffstat (limited to 'src/mame/drivers/magmax.cpp')
-rw-r--r-- | src/mame/drivers/magmax.cpp | 63 |
1 files changed, 33 insertions, 30 deletions
diff --git a/src/mame/drivers/magmax.cpp b/src/mame/drivers/magmax.cpp index 4ee8495c548..105d167dbb4 100644 --- a/src/mame/drivers/magmax.cpp +++ b/src/mame/drivers/magmax.cpp @@ -190,36 +190,39 @@ WRITE16_MEMBER(magmax_state::magmax_vreg_w) -ADDRESS_MAP_START(magmax_state::magmax_map) - AM_RANGE(0x000000, 0x013fff) AM_ROM - AM_RANGE(0x018000, 0x018fff) AM_RAM - AM_RANGE(0x020000, 0x0207ff) AM_RAM AM_SHARE("videoram") - AM_RANGE(0x028000, 0x0281ff) AM_RAM AM_SHARE("spriteram") - AM_RANGE(0x030000, 0x030001) AM_READ_PORT("P1") - AM_RANGE(0x030002, 0x030003) AM_READ_PORT("P2") - AM_RANGE(0x030004, 0x030005) AM_READ_PORT("SYSTEM") - AM_RANGE(0x030006, 0x030007) AM_READ_PORT("DSW") - AM_RANGE(0x030010, 0x030011) AM_WRITE(magmax_vreg_w) AM_SHARE("vreg") - AM_RANGE(0x030012, 0x030013) AM_WRITEONLY AM_SHARE("scroll_x") - AM_RANGE(0x030014, 0x030015) AM_WRITEONLY AM_SHARE("scroll_y") - AM_RANGE(0x03001c, 0x03001d) AM_DEVWRITE8("soundlatch", generic_latch_8_device, write, 0x00ff) - AM_RANGE(0x03001e, 0x03001f) AM_WRITE(cpu_irq_ack_w) -ADDRESS_MAP_END - -ADDRESS_MAP_START(magmax_state::magmax_sound_map) - ADDRESS_MAP_GLOBAL_MASK(0x7fff) // A15 not connected - AM_RANGE(0x0000, 0x3fff) AM_ROM - AM_RANGE(0x4000, 0x4000) AM_MIRROR(0x1fff) AM_DEVREADWRITE("soundlatch", generic_latch_8_device, acknowledge_r, acknowledge_w) - AM_RANGE(0x6000, 0x67ff) AM_MIRROR(0x1800) AM_RAM -ADDRESS_MAP_END - -ADDRESS_MAP_START(magmax_state::magmax_sound_io_map) - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x00, 0x01) AM_DEVWRITE("ay1", ay8910_device, address_data_w) - AM_RANGE(0x02, 0x03) AM_DEVWRITE("ay2", ay8910_device, address_data_w) - AM_RANGE(0x04, 0x05) AM_DEVWRITE("ay3", ay8910_device, address_data_w) - AM_RANGE(0x06, 0x06) AM_READ(magmax_sound_r) -ADDRESS_MAP_END +void magmax_state::magmax_map(address_map &map) +{ + map(0x000000, 0x013fff).rom(); + map(0x018000, 0x018fff).ram(); + map(0x020000, 0x0207ff).ram().share("videoram"); + map(0x028000, 0x0281ff).ram().share("spriteram"); + map(0x030000, 0x030001).portr("P1"); + map(0x030002, 0x030003).portr("P2"); + map(0x030004, 0x030005).portr("SYSTEM"); + map(0x030006, 0x030007).portr("DSW"); + map(0x030010, 0x030011).w(this, FUNC(magmax_state::magmax_vreg_w)).share("vreg"); + map(0x030012, 0x030013).writeonly().share("scroll_x"); + map(0x030014, 0x030015).writeonly().share("scroll_y"); + map(0x03001d, 0x03001d).w(m_soundlatch, FUNC(generic_latch_8_device::write)); + map(0x03001e, 0x03001f).w(this, FUNC(magmax_state::cpu_irq_ack_w)); +} + +void magmax_state::magmax_sound_map(address_map &map) +{ + map.global_mask(0x7fff); // A15 not connected + map(0x0000, 0x3fff).rom(); + map(0x4000, 0x4000).mirror(0x1fff).rw(m_soundlatch, FUNC(generic_latch_8_device::acknowledge_r), FUNC(generic_latch_8_device::acknowledge_w)); + map(0x6000, 0x67ff).mirror(0x1800).ram(); +} + +void magmax_state::magmax_sound_io_map(address_map &map) +{ + map.global_mask(0xff); + map(0x00, 0x01).w("ay1", FUNC(ay8910_device::address_data_w)); + map(0x02, 0x03).w("ay2", FUNC(ay8910_device::address_data_w)); + map(0x04, 0x05).w("ay3", FUNC(ay8910_device::address_data_w)); + map(0x06, 0x06).r(this, FUNC(magmax_state::magmax_sound_r)); +} static INPUT_PORTS_START( magmax ) |