diff options
Diffstat (limited to 'src/mame/drivers/alg.cpp')
-rw-r--r-- | src/mame/drivers/alg.cpp | 77 |
1 files changed, 41 insertions, 36 deletions
diff --git a/src/mame/drivers/alg.cpp b/src/mame/drivers/alg.cpp index 0676d6992cf..985b7e061c5 100644 --- a/src/mame/drivers/alg.cpp +++ b/src/mame/drivers/alg.cpp @@ -175,42 +175,47 @@ CUSTOM_INPUT_MEMBER(alg_state::lightgun_holster_r) * *************************************/ -ADDRESS_MAP_START(alg_state::overlay_512kb_map) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x000000, 0x07ffff) AM_MIRROR(0x180000) AM_RAM AM_SHARE("chip_ram") - AM_RANGE(0x200000, 0x27ffff) AM_ROM AM_REGION("kickstart", 0) -ADDRESS_MAP_END - -ADDRESS_MAP_START(alg_state::a500_mem) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x000000, 0x1fffff) AM_DEVICE("overlay", address_map_bank_device, amap16) - AM_RANGE(0xa00000, 0xbfffff) AM_READWRITE(cia_r, cia_w) - AM_RANGE(0xc00000, 0xd7ffff) AM_READWRITE(custom_chip_r, custom_chip_w) - AM_RANGE(0xd80000, 0xddffff) AM_NOP - AM_RANGE(0xde0000, 0xdeffff) AM_READWRITE(custom_chip_r, custom_chip_w) - AM_RANGE(0xdf0000, 0xdfffff) AM_READWRITE(custom_chip_r, custom_chip_w) - AM_RANGE(0xe00000, 0xe7ffff) AM_WRITENOP AM_READ(rom_mirror_r) - AM_RANGE(0xe80000, 0xefffff) AM_NOP // autoconfig space (installed by devices) - AM_RANGE(0xf80000, 0xffffff) AM_ROM AM_REGION("kickstart", 0) -ADDRESS_MAP_END - -ADDRESS_MAP_START(alg_state::main_map_r1) - AM_IMPORT_FROM(a500_mem) - AM_RANGE(0xf00000, 0xf1ffff) AM_ROM AM_REGION("user2", 0) /* Custom ROM */ - AM_RANGE(0xf54000, 0xf55fff) AM_RAM AM_SHARE("nvram") -ADDRESS_MAP_END - -ADDRESS_MAP_START(alg_state::main_map_r2) - AM_IMPORT_FROM(a500_mem) - AM_RANGE(0xf00000, 0xf3ffff) AM_ROM AM_REGION("user2", 0) /* Custom ROM */ - AM_RANGE(0xf7c000, 0xf7dfff) AM_RAM AM_SHARE("nvram") -ADDRESS_MAP_END - -ADDRESS_MAP_START(alg_state::main_map_picmatic) - AM_IMPORT_FROM(a500_mem) - AM_RANGE(0xf00000, 0xf1ffff) AM_ROM AM_REGION("user2", 0) /* Custom ROM */ - AM_RANGE(0xf40000, 0xf41fff) AM_RAM AM_SHARE("nvram") -ADDRESS_MAP_END +void alg_state::overlay_512kb_map(address_map &map) +{ + map.unmap_value_high(); + map(0x000000, 0x07ffff).mirror(0x180000).ram().share("chip_ram"); + map(0x200000, 0x27ffff).rom().region("kickstart", 0); +} + +void alg_state::a500_mem(address_map &map) +{ + map.unmap_value_high(); + map(0x000000, 0x1fffff).m(m_overlay, FUNC(address_map_bank_device::amap16)); + map(0xa00000, 0xbfffff).rw(this, FUNC(alg_state::cia_r), FUNC(alg_state::cia_w)); + map(0xc00000, 0xd7ffff).rw(this, FUNC(alg_state::custom_chip_r), FUNC(alg_state::custom_chip_w)); + map(0xd80000, 0xddffff).noprw(); + map(0xde0000, 0xdeffff).rw(this, FUNC(alg_state::custom_chip_r), FUNC(alg_state::custom_chip_w)); + map(0xdf0000, 0xdfffff).rw(this, FUNC(alg_state::custom_chip_r), FUNC(alg_state::custom_chip_w)); + map(0xe00000, 0xe7ffff).nopw().r(this, FUNC(alg_state::rom_mirror_r)); + map(0xe80000, 0xefffff).noprw(); // autoconfig space (installed by devices) + map(0xf80000, 0xffffff).rom().region("kickstart", 0); +} + +void alg_state::main_map_r1(address_map &map) +{ + a500_mem(map); + map(0xf00000, 0xf1ffff).rom().region("user2", 0); /* Custom ROM */ + map(0xf54000, 0xf55fff).ram().share("nvram"); +} + +void alg_state::main_map_r2(address_map &map) +{ + a500_mem(map); + map(0xf00000, 0xf3ffff).rom().region("user2", 0); /* Custom ROM */ + map(0xf7c000, 0xf7dfff).ram().share("nvram"); +} + +void alg_state::main_map_picmatic(address_map &map) +{ + a500_mem(map); + map(0xf00000, 0xf1ffff).rom().region("user2", 0); /* Custom ROM */ + map(0xf40000, 0xf41fff).ram().share("nvram"); +} |