diff options
Diffstat (limited to 'src/mame/drivers/gatron.cpp')
-rw-r--r-- | src/mame/drivers/gatron.cpp | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/src/mame/drivers/gatron.cpp b/src/mame/drivers/gatron.cpp index d3ae5597210..725a66ba642 100644 --- a/src/mame/drivers/gatron.cpp +++ b/src/mame/drivers/gatron.cpp @@ -447,18 +447,20 @@ WRITE8_MEMBER(gatron_state::output_port_1_w) * Memory Map Information * *************************/ -ADDRESS_MAP_START(gatron_state::gat_map) - AM_RANGE(0x0000, 0x5fff) AM_ROM - AM_RANGE(0x6000, 0x63ff) AM_RAM_WRITE(gat_videoram_w) AM_SHARE("videoram") - AM_RANGE(0x8000, 0x87ff) AM_RAM AM_SHARE("nvram") /* battery backed RAM */ - AM_RANGE(0xa000, 0xa000) AM_DEVWRITE("snsnd", sn76489_device, write) /* PSG */ - AM_RANGE(0xe000, 0xe000) AM_WRITE(output_port_0_w) /* lamps */ -ADDRESS_MAP_END - -ADDRESS_MAP_START(gatron_state::gat_portmap) - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("ppi8255", i8255_device, read, write) -ADDRESS_MAP_END +void gatron_state::gat_map(address_map &map) +{ + map(0x0000, 0x5fff).rom(); + map(0x6000, 0x63ff).ram().w(this, FUNC(gatron_state::gat_videoram_w)).share("videoram"); + map(0x8000, 0x87ff).ram().share("nvram"); /* battery backed RAM */ + map(0xa000, 0xa000).w("snsnd", FUNC(sn76489_device::write)); /* PSG */ + map(0xe000, 0xe000).w(this, FUNC(gatron_state::output_port_0_w)); /* lamps */ +} + +void gatron_state::gat_portmap(address_map &map) +{ + map.global_mask(0xff); + map(0x00, 0x03).rw("ppi8255", FUNC(i8255_device::read), FUNC(i8255_device::write)); +} /************************* |