diff options
Diffstat (limited to 'src/mame/drivers/vp122.cpp')
-rw-r--r-- | src/mame/drivers/vp122.cpp | 41 |
1 files changed, 22 insertions, 19 deletions
diff --git a/src/mame/drivers/vp122.cpp b/src/mame/drivers/vp122.cpp index 620a64f492b..20c7884ff36 100644 --- a/src/mame/drivers/vp122.cpp +++ b/src/mame/drivers/vp122.cpp @@ -37,31 +37,34 @@ private: required_region_ptr<u8> m_p_chargen; }; -ADDRESS_MAP_START(vp122_state::mem_map) - AM_RANGE(0x0000, 0x9fff) AM_ROM AM_REGION("maincpu", 0) - AM_RANGE(0xa000, 0xa7ff) AM_RAM AM_SHARE("nvram") - AM_RANGE(0xe000, 0xe7ff) AM_NOP -ADDRESS_MAP_END - -ADDRESS_MAP_START(vp122_state::io_map) - AM_RANGE(0x00, 0x07) AM_DEVREADWRITE("avdc", scn2674_device, read, write) - AM_RANGE(0x10, 0x1f) AM_DEVREADWRITE("duart", scn2681_device, read, write) - AM_RANGE(0x20, 0x20) AM_DEVREADWRITE("usart", i8251_device, data_r, data_w) - AM_RANGE(0x21, 0x21) AM_DEVREADWRITE("usart", i8251_device, status_r, control_w) - AM_RANGE(0x50, 0x50) AM_WRITENOP - AM_RANGE(0x60, 0x60) AM_WRITENOP - AM_RANGE(0x70, 0x73) AM_DEVREADWRITE("pit", pit8253_device, read, write) -ADDRESS_MAP_END +void vp122_state::mem_map(address_map &map) +{ + map(0x0000, 0x9fff).rom().region("maincpu", 0); + map(0xa000, 0xa7ff).ram().share("nvram"); + map(0xe000, 0xe7ff).noprw(); +} + +void vp122_state::io_map(address_map &map) +{ + map(0x00, 0x07).rw("avdc", FUNC(scn2674_device::read), FUNC(scn2674_device::write)); + map(0x10, 0x1f).rw("duart", FUNC(scn2681_device::read), FUNC(scn2681_device::write)); + map(0x20, 0x20).rw("usart", FUNC(i8251_device::data_r), FUNC(i8251_device::data_w)); + map(0x21, 0x21).rw("usart", FUNC(i8251_device::status_r), FUNC(i8251_device::control_w)); + map(0x50, 0x50).nopw(); + map(0x60, 0x60).nopw(); + map(0x70, 0x73).rw("pit", FUNC(pit8253_device::read), FUNC(pit8253_device::write)); +} SCN2674_DRAW_CHARACTER_MEMBER(vp122_state::draw_character) { } -ADDRESS_MAP_START(vp122_state::vram_map) - AM_RANGE(0x0000, 0x07ff) AM_NOP - AM_RANGE(0x1800, 0x2fff) AM_NOP -ADDRESS_MAP_END +void vp122_state::vram_map(address_map &map) +{ + map(0x0000, 0x07ff).noprw(); + map(0x1800, 0x2fff).noprw(); +} static INPUT_PORTS_START( vp122 ) |