diff options
Diffstat (limited to 'src/mame/drivers/rc702.cpp')
-rw-r--r-- | src/mame/drivers/rc702.cpp | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/src/mame/drivers/rc702.cpp b/src/mame/drivers/rc702.cpp index dc16ac159f1..d2ea326a5c3 100644 --- a/src/mame/drivers/rc702.cpp +++ b/src/mame/drivers/rc702.cpp @@ -97,24 +97,26 @@ private: }; -ADDRESS_MAP_START(rc702_state::rc702_mem) - AM_RANGE(0x0000, 0x07ff) AM_READ_BANK("bankr0") AM_WRITE_BANK("bankw0") - AM_RANGE(0x0800, 0xffff) AM_RAM -ADDRESS_MAP_END - -ADDRESS_MAP_START(rc702_state::rc702_io) - ADDRESS_MAP_GLOBAL_MASK(0xff) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x00, 0x01) AM_DEVREADWRITE("crtc", i8275_device, read, write) - AM_RANGE(0x04, 0x05) AM_DEVICE("fdc", upd765a_device, map) - AM_RANGE(0x08, 0x0b) AM_DEVREADWRITE("sio1", z80dart_device, cd_ba_r, cd_ba_w) // boot sequence doesn't program this - AM_RANGE(0x0c, 0x0f) AM_DEVREADWRITE("ctc1", z80ctc_device, read, write) - AM_RANGE(0x10, 0x13) AM_DEVREADWRITE("pio", z80pio_device, read, write) - AM_RANGE(0x14, 0x17) AM_READ_PORT("DSW") AM_WRITE(port14_w) // motors - AM_RANGE(0x18, 0x1b) AM_WRITE(port18_w) // memory banking - AM_RANGE(0x1c, 0x1f) AM_WRITE(port1c_w) // sound - AM_RANGE(0xf0, 0xff) AM_DEVREADWRITE("dma", am9517a_device, read, write) -ADDRESS_MAP_END +void rc702_state::rc702_mem(address_map &map) +{ + map(0x0000, 0x07ff).bankr("bankr0").bankw("bankw0"); + map(0x0800, 0xffff).ram(); +} + +void rc702_state::rc702_io(address_map &map) +{ + map.global_mask(0xff); + map.unmap_value_high(); + map(0x00, 0x01).rw("crtc", FUNC(i8275_device::read), FUNC(i8275_device::write)); + map(0x04, 0x05).m(m_fdc, FUNC(upd765a_device::map)); + map(0x08, 0x0b).rw("sio1", FUNC(z80dart_device::cd_ba_r), FUNC(z80dart_device::cd_ba_w)); // boot sequence doesn't program this + map(0x0c, 0x0f).rw(m_ctc1, FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); + map(0x10, 0x13).rw(m_pio, FUNC(z80pio_device::read), FUNC(z80pio_device::write)); + map(0x14, 0x17).portr("DSW").w(this, FUNC(rc702_state::port14_w)); // motors + map(0x18, 0x1b).w(this, FUNC(rc702_state::port18_w)); // memory banking + map(0x1c, 0x1f).w(this, FUNC(rc702_state::port1c_w)); // sound + map(0xf0, 0xff).rw(m_dma, FUNC(am9517a_device::read), FUNC(am9517a_device::write)); +} /* Input ports */ static INPUT_PORTS_START( rc702 ) |