diff options
Diffstat (limited to 'src/mame/drivers/sym1.cpp')
-rw-r--r-- | src/mame/drivers/sym1.cpp | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/src/mame/drivers/sym1.cpp b/src/mame/drivers/sym1.cpp index 5dd82d2e97a..48c79549919 100644 --- a/src/mame/drivers/sym1.cpp +++ b/src/mame/drivers/sym1.cpp @@ -300,19 +300,20 @@ void sym1_state::machine_reset() // ADDRESS MAPS //************************************************************************** -ADDRESS_MAP_START(sym1_state::sym1_map) - AM_RANGE(0x0000, 0x03ff) AM_RAM // U12/U13 RAM - AM_RANGE(0x0400, 0x07ff) AM_RAMBANK("bank2") AM_SHARE("ram_1k") - AM_RANGE(0x0800, 0x0bff) AM_RAMBANK("bank3") AM_SHARE("ram_2k") - AM_RANGE(0x0c00, 0x0fff) AM_RAMBANK("bank4") AM_SHARE("ram_3k") - AM_RANGE(0x8000, 0x8fff) AM_ROM AM_SHARE("monitor") // U20 Monitor ROM - AM_RANGE(0xa000, 0xa00f) AM_DEVREADWRITE("via1", via6522_device, read, write) // U25 VIA #1 - AM_RANGE(0xa400, 0xa41f) AM_DEVICE("riot", mos6532_new_device, io_map) // U27 RIOT - AM_RANGE(0xa600, 0xa67f) AM_RAMBANK("bank5") AM_SHARE("riot_ram") // U27 RIOT RAM - AM_RANGE(0xa800, 0xa80f) AM_DEVREADWRITE("via2", via6522_device, read, write) // U28 VIA #2 - AM_RANGE(0xac00, 0xac0f) AM_DEVREADWRITE("via3", via6522_device, read, write) // U29 VIA #3 - AM_RANGE(0xb000, 0xefff) AM_ROM -ADDRESS_MAP_END +void sym1_state::sym1_map(address_map &map) +{ + map(0x0000, 0x03ff).ram(); // U12/U13 RAM + map(0x0400, 0x07ff).bankrw("bank2").share("ram_1k"); + map(0x0800, 0x0bff).bankrw("bank3").share("ram_2k"); + map(0x0c00, 0x0fff).bankrw("bank4").share("ram_3k"); + map(0x8000, 0x8fff).rom().share("monitor"); // U20 Monitor ROM + map(0xa000, 0xa00f).rw("via1", FUNC(via6522_device::read), FUNC(via6522_device::write)); // U25 VIA #1 + map(0xa400, 0xa41f).m("riot", FUNC(mos6532_new_device::io_map)); // U27 RIOT + map(0xa600, 0xa67f).bankrw("bank5").share("riot_ram"); // U27 RIOT RAM + map(0xa800, 0xa80f).rw("via2", FUNC(via6522_device::read), FUNC(via6522_device::write)); // U28 VIA #2 + map(0xac00, 0xac0f).rw("via3", FUNC(via6522_device::read), FUNC(via6522_device::write)); // U29 VIA #3 + map(0xb000, 0xefff).rom(); +} //************************************************************************** |