diff options
Diffstat (limited to 'src/mame/drivers/babbage.cpp')
-rw-r--r-- | src/mame/drivers/babbage.cpp | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/src/mame/drivers/babbage.cpp b/src/mame/drivers/babbage.cpp index 89625c9e85b..5ce472b1047 100644 --- a/src/mame/drivers/babbage.cpp +++ b/src/mame/drivers/babbage.cpp @@ -78,18 +78,20 @@ private: ***************************************************************************/ -ADDRESS_MAP_START(babbage_state::babbage_map) - ADDRESS_MAP_GLOBAL_MASK(0x3fff) - AM_RANGE(0x0000, 0x07ff) AM_ROM - AM_RANGE(0x1000, 0x17ff) AM_RAM -ADDRESS_MAP_END - -ADDRESS_MAP_START(babbage_state::babbage_io) - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("z80ctc", z80ctc_device, read, write) - AM_RANGE(0x10, 0x13) AM_DEVREADWRITE("z80pio_1", z80pio_device, read_alt, write_alt) - AM_RANGE(0x20, 0x23) AM_DEVREADWRITE("z80pio_2", z80pio_device, read_alt, write_alt) -ADDRESS_MAP_END +void babbage_state::babbage_map(address_map &map) +{ + map.global_mask(0x3fff); + map(0x0000, 0x07ff).rom(); + map(0x1000, 0x17ff).ram(); +} + +void babbage_state::babbage_io(address_map &map) +{ + map.global_mask(0xff); + map(0x00, 0x03).rw(m_ctc, FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); + map(0x10, 0x13).rw(m_pio_1, FUNC(z80pio_device::read_alt), FUNC(z80pio_device::write_alt)); + map(0x20, 0x23).rw(m_pio_2, FUNC(z80pio_device::read_alt), FUNC(z80pio_device::write_alt)); +} |