diff options
Diffstat (limited to 'src/mame/drivers/poly88.cpp')
-rw-r--r-- | src/mame/drivers/poly88.cpp | 72 |
1 files changed, 38 insertions, 34 deletions
diff --git a/src/mame/drivers/poly88.cpp b/src/mame/drivers/poly88.cpp index a14f460dc8f..3e584779e4b 100644 --- a/src/mame/drivers/poly88.cpp +++ b/src/mame/drivers/poly88.cpp @@ -48,40 +48,44 @@ #include "speaker.h" -ADDRESS_MAP_START(poly88_state::poly88_mem) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x0000, 0x03ff) AM_ROM // Monitor ROM - AM_RANGE(0x0400, 0x0bff) AM_ROM // ROM Expansion - AM_RANGE(0x0c00, 0x0dff) AM_RAM AM_MIRROR(0x200) // System RAM (mirrored) - AM_RANGE(0x1000, 0x1fff) AM_ROM // System Expansion area - AM_RANGE(0x2000, 0x3fff) AM_RAM // Minimal user RAM area - AM_RANGE(0x4000, 0xf7ff) AM_RAM - AM_RANGE(0xf800, 0xfbff) AM_RAM AM_SHARE("video_ram") // Video RAM -ADDRESS_MAP_END - -ADDRESS_MAP_START(poly88_state::poly88_io) - ADDRESS_MAP_UNMAP_HIGH - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x00, 0x00) AM_DEVREADWRITE("uart", i8251_device, data_r, data_w) - AM_RANGE(0x01, 0x01) AM_DEVREADWRITE("uart", i8251_device, status_r, control_w) - AM_RANGE(0x04, 0x04) AM_WRITE(poly88_baud_rate_w) - AM_RANGE(0x08, 0x08) AM_WRITE(poly88_intr_w) - AM_RANGE(0xf8, 0xf8) AM_READ(poly88_keyboard_r) -ADDRESS_MAP_END - -ADDRESS_MAP_START(poly88_state::poly8813_mem) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x0000, 0x03ff) AM_ROM // Monitor ROM - AM_RANGE(0x0400, 0x0bff) AM_ROM // Disk System ROM - AM_RANGE(0x0c00, 0x0fff) AM_RAM // System RAM - AM_RANGE(0x1800, 0x1bff) AM_RAM AM_SHARE("video_ram") // Video RAM - AM_RANGE(0x2000, 0xffff) AM_RAM // RAM -ADDRESS_MAP_END - -ADDRESS_MAP_START(poly88_state::poly8813_io) - ADDRESS_MAP_UNMAP_HIGH - ADDRESS_MAP_GLOBAL_MASK(0xff) -ADDRESS_MAP_END +void poly88_state::poly88_mem(address_map &map) +{ + map.unmap_value_high(); + map(0x0000, 0x03ff).rom(); // Monitor ROM + map(0x0400, 0x0bff).rom(); // ROM Expansion + map(0x0c00, 0x0dff).ram().mirror(0x200); // System RAM (mirrored) + map(0x1000, 0x1fff).rom(); // System Expansion area + map(0x2000, 0x3fff).ram(); // Minimal user RAM area + map(0x4000, 0xf7ff).ram(); + map(0xf800, 0xfbff).ram().share("video_ram"); // Video RAM +} + +void poly88_state::poly88_io(address_map &map) +{ + map.unmap_value_high(); + map.global_mask(0xff); + map(0x00, 0x00).rw(m_uart, FUNC(i8251_device::data_r), FUNC(i8251_device::data_w)); + map(0x01, 0x01).rw(m_uart, FUNC(i8251_device::status_r), FUNC(i8251_device::control_w)); + map(0x04, 0x04).w(this, FUNC(poly88_state::poly88_baud_rate_w)); + map(0x08, 0x08).w(this, FUNC(poly88_state::poly88_intr_w)); + map(0xf8, 0xf8).r(this, FUNC(poly88_state::poly88_keyboard_r)); +} + +void poly88_state::poly8813_mem(address_map &map) +{ + map.unmap_value_high(); + map(0x0000, 0x03ff).rom(); // Monitor ROM + map(0x0400, 0x0bff).rom(); // Disk System ROM + map(0x0c00, 0x0fff).ram(); // System RAM + map(0x1800, 0x1bff).ram().share("video_ram"); // Video RAM + map(0x2000, 0xffff).ram(); // RAM +} + +void poly88_state::poly8813_io(address_map &map) +{ + map.unmap_value_high(); + map.global_mask(0xff); +} /* Input ports */ static INPUT_PORTS_START( poly88 ) |