diff options
Diffstat (limited to 'src/mame/drivers/b2m.cpp')
-rw-r--r-- | src/mame/drivers/b2m.cpp | 67 |
1 files changed, 35 insertions, 32 deletions
diff --git a/src/mame/drivers/b2m.cpp b/src/mame/drivers/b2m.cpp index 31dfd5e7aa0..bd2c10d023e 100644 --- a/src/mame/drivers/b2m.cpp +++ b/src/mame/drivers/b2m.cpp @@ -24,38 +24,41 @@ #include "speaker.h" /* Address maps */ -ADDRESS_MAP_START(b2m_state::b2m_mem) - AM_RANGE (0x0000, 0x27ff) AM_RAMBANK("bank1") - AM_RANGE (0x2800, 0x2fff) AM_RAMBANK("bank2") - AM_RANGE (0x3000, 0x6fff) AM_RAMBANK("bank3") - AM_RANGE (0x7000, 0xdfff) AM_RAMBANK("bank4") - AM_RANGE (0xe000, 0xffff) AM_RAMBANK("bank5") -ADDRESS_MAP_END - -ADDRESS_MAP_START(b2m_state::b2m_io) - ADDRESS_MAP_GLOBAL_MASK(0x1f) - AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("pit8253", pit8253_device, read, write) - AM_RANGE(0x04, 0x07) AM_DEVREADWRITE("ppi8255_2", i8255_device, read, write) - AM_RANGE(0x08, 0x0b) AM_DEVREADWRITE("ppi8255_1", i8255_device, read, write) - AM_RANGE(0x0c, 0x0c) AM_READWRITE(b2m_localmachine_r,b2m_localmachine_w) - AM_RANGE(0x10, 0x13) AM_READWRITE(b2m_palette_r,b2m_palette_w) - AM_RANGE(0x14, 0x15) AM_DEVREADWRITE("pic8259", pic8259_device, read, write ) - AM_RANGE(0x18, 0x18) AM_DEVREADWRITE("uart", i8251_device, data_r, data_w) - AM_RANGE(0x19, 0x19) AM_DEVREADWRITE("uart", i8251_device, status_r, control_w) - AM_RANGE(0x1c, 0x1f) AM_DEVREADWRITE("fd1793", fd1793_device, read, write) -ADDRESS_MAP_END - -ADDRESS_MAP_START(b2m_state::b2m_rom_io) - ADDRESS_MAP_GLOBAL_MASK(0x1f) - AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("pit8253", pit8253_device, read, write) - AM_RANGE(0x04, 0x07) AM_DEVREADWRITE("ppi8255_3", i8255_device, read, write) - AM_RANGE(0x08, 0x0b) AM_DEVREADWRITE("ppi8255_1", i8255_device, read, write) - AM_RANGE(0x0c, 0x0c) AM_READWRITE(b2m_localmachine_r,b2m_localmachine_w) - AM_RANGE(0x10, 0x13) AM_READWRITE(b2m_palette_r,b2m_palette_w) - AM_RANGE(0x14, 0x15) AM_DEVREADWRITE("pic8259", pic8259_device, read, write ) - AM_RANGE(0x18, 0x18) AM_DEVREADWRITE("uart", i8251_device, data_r, data_w) - AM_RANGE(0x19, 0x19) AM_DEVREADWRITE("uart", i8251_device, status_r, control_w) -ADDRESS_MAP_END +void b2m_state::b2m_mem(address_map &map) +{ + map(0x0000, 0x27ff).bankrw("bank1"); + map(0x2800, 0x2fff).bankrw("bank2"); + map(0x3000, 0x6fff).bankrw("bank3"); + map(0x7000, 0xdfff).bankrw("bank4"); + map(0xe000, 0xffff).bankrw("bank5"); +} + +void b2m_state::b2m_io(address_map &map) +{ + map.global_mask(0x1f); + map(0x00, 0x03).rw(m_pit, FUNC(pit8253_device::read), FUNC(pit8253_device::write)); + map(0x04, 0x07).rw("ppi8255_2", FUNC(i8255_device::read), FUNC(i8255_device::write)); + map(0x08, 0x0b).rw("ppi8255_1", FUNC(i8255_device::read), FUNC(i8255_device::write)); + map(0x0c, 0x0c).rw(this, FUNC(b2m_state::b2m_localmachine_r), FUNC(b2m_state::b2m_localmachine_w)); + map(0x10, 0x13).rw(this, FUNC(b2m_state::b2m_palette_r), FUNC(b2m_state::b2m_palette_w)); + map(0x14, 0x15).rw(m_pic, FUNC(pic8259_device::read), FUNC(pic8259_device::write)); + map(0x18, 0x18).rw("uart", FUNC(i8251_device::data_r), FUNC(i8251_device::data_w)); + map(0x19, 0x19).rw("uart", FUNC(i8251_device::status_r), FUNC(i8251_device::control_w)); + map(0x1c, 0x1f).rw(m_fdc, FUNC(fd1793_device::read), FUNC(fd1793_device::write)); +} + +void b2m_state::b2m_rom_io(address_map &map) +{ + map.global_mask(0x1f); + map(0x00, 0x03).rw(m_pit, FUNC(pit8253_device::read), FUNC(pit8253_device::write)); + map(0x04, 0x07).rw("ppi8255_3", FUNC(i8255_device::read), FUNC(i8255_device::write)); + map(0x08, 0x0b).rw("ppi8255_1", FUNC(i8255_device::read), FUNC(i8255_device::write)); + map(0x0c, 0x0c).rw(this, FUNC(b2m_state::b2m_localmachine_r), FUNC(b2m_state::b2m_localmachine_w)); + map(0x10, 0x13).rw(this, FUNC(b2m_state::b2m_palette_r), FUNC(b2m_state::b2m_palette_w)); + map(0x14, 0x15).rw(m_pic, FUNC(pic8259_device::read), FUNC(pic8259_device::write)); + map(0x18, 0x18).rw("uart", FUNC(i8251_device::data_r), FUNC(i8251_device::data_w)); + map(0x19, 0x19).rw("uart", FUNC(i8251_device::status_r), FUNC(i8251_device::control_w)); +} /* Input ports */ |