diff options
Diffstat (limited to 'src/mame/drivers/fastfred.cpp')
-rw-r--r-- | src/mame/drivers/fastfred.cpp | 128 |
1 files changed, 66 insertions, 62 deletions
diff --git a/src/mame/drivers/fastfred.cpp b/src/mame/drivers/fastfred.cpp index 5b4e58e1569..f9b9fe72ab4 100644 --- a/src/mame/drivers/fastfred.cpp +++ b/src/mame/drivers/fastfred.cpp @@ -187,69 +187,73 @@ WRITE8_MEMBER(fastfred_state::sound_nmi_mask_w) m_sound_nmi_mask = data & 1; } -ADDRESS_MAP_START(fastfred_state::fastfred_map) - AM_RANGE(0x0000, 0xbfff) AM_ROM - AM_RANGE(0xc000, 0xc7ff) AM_RAM - AM_RANGE(0xd000, 0xd3ff) AM_MIRROR(0x400) AM_RAM_WRITE(fastfred_videoram_w) AM_SHARE("videoram") - AM_RANGE(0xd800, 0xd83f) AM_RAM_WRITE(fastfred_attributes_w) AM_SHARE("attributesram") - AM_RANGE(0xd840, 0xd85f) AM_RAM AM_SHARE("spriteram") - AM_RANGE(0xd860, 0xdbff) AM_RAM // Unused, but initialized - AM_RANGE(0xe000, 0xe000) AM_READ_PORT("BUTTONS") AM_WRITEONLY AM_SHARE("bgcolor") - AM_RANGE(0xe800, 0xe800) AM_READ_PORT("JOYS") - AM_RANGE(0xf000, 0xf007) AM_MIRROR(0x07f8) AM_DEVWRITE("outlatch", ls259_device, write_d0) - AM_RANGE(0xf000, 0xf000) AM_READ_PORT("DSW") AM_WRITENOP - AM_RANGE(0xf800, 0xf800) AM_DEVREAD("watchdog", watchdog_timer_device, reset_r) AM_DEVWRITE("soundlatch", generic_latch_8_device, write) -ADDRESS_MAP_END - - -ADDRESS_MAP_START(fastfred_state::jumpcoas_map) - AM_RANGE(0x0000, 0x7fff) AM_ROM - AM_RANGE(0xc000, 0xc7ff) AM_RAM - AM_RANGE(0xd000, 0xd03f) AM_RAM_WRITE(fastfred_attributes_w) AM_SHARE("attributesram") - AM_RANGE(0xd040, 0xd05f) AM_RAM AM_SHARE("spriteram") - AM_RANGE(0xd060, 0xd3ff) AM_RAM - AM_RANGE(0xd800, 0xdbff) AM_MIRROR(0x400) AM_RAM_WRITE(fastfred_videoram_w) AM_SHARE("videoram") - AM_RANGE(0xe000, 0xe000) AM_WRITEONLY AM_SHARE("bgcolor") - AM_RANGE(0xe800, 0xe800) AM_READ_PORT("DSW1") - AM_RANGE(0xe801, 0xe801) AM_READ_PORT("DSW2") - AM_RANGE(0xe802, 0xe802) AM_READ_PORT("BUTTONS") - AM_RANGE(0xe803, 0xe803) AM_READ_PORT("JOYS") - AM_RANGE(0xf000, 0xf007) AM_MIRROR(0x07f8) AM_DEVWRITE("outlatch", ls259_device, write_d0) +void fastfred_state::fastfred_map(address_map &map) +{ + map(0x0000, 0xbfff).rom(); + map(0xc000, 0xc7ff).ram(); + map(0xd000, 0xd3ff).mirror(0x400).ram().w(this, FUNC(fastfred_state::fastfred_videoram_w)).share("videoram"); + map(0xd800, 0xd83f).ram().w(this, FUNC(fastfred_state::fastfred_attributes_w)).share("attributesram"); + map(0xd840, 0xd85f).ram().share("spriteram"); + map(0xd860, 0xdbff).ram(); // Unused, but initialized + map(0xe000, 0xe000).portr("BUTTONS").writeonly().share("bgcolor"); + map(0xe800, 0xe800).portr("JOYS"); + map(0xf000, 0xf007).mirror(0x07f8).w("outlatch", FUNC(ls259_device::write_d0)); + map(0xf000, 0xf000).portr("DSW").nopw(); + map(0xf800, 0xf800).r("watchdog", FUNC(watchdog_timer_device::reset_r)).w("soundlatch", FUNC(generic_latch_8_device::write)); +} + + +void fastfred_state::jumpcoas_map(address_map &map) +{ + map(0x0000, 0x7fff).rom(); + map(0xc000, 0xc7ff).ram(); + map(0xd000, 0xd03f).ram().w(this, FUNC(fastfred_state::fastfred_attributes_w)).share("attributesram"); + map(0xd040, 0xd05f).ram().share("spriteram"); + map(0xd060, 0xd3ff).ram(); + map(0xd800, 0xdbff).mirror(0x400).ram().w(this, FUNC(fastfred_state::fastfred_videoram_w)).share("videoram"); + map(0xe000, 0xe000).writeonly().share("bgcolor"); + map(0xe800, 0xe800).portr("DSW1"); + map(0xe801, 0xe801).portr("DSW2"); + map(0xe802, 0xe802).portr("BUTTONS"); + map(0xe803, 0xe803).portr("JOYS"); + map(0xf000, 0xf007).mirror(0x07f8).w("outlatch", FUNC(ls259_device::write_d0)); //AM_RANGE(0xf800, 0xf800) AM_DEVREAD("watchdog", watchdog_timer_device, reset_r) // Why doesn't this work??? - AM_RANGE(0xf800, 0xf801) AM_READNOP AM_DEVWRITE("ay8910.1", ay8910_device, address_data_w) -ADDRESS_MAP_END - - -ADDRESS_MAP_START(fastfred_state::imago_map) - AM_RANGE(0x0000, 0x0fff) AM_ROM - AM_RANGE(0x1000, 0x1fff) AM_READ(imago_sprites_offset_r) - AM_RANGE(0x2000, 0x6fff) AM_ROM - AM_RANGE(0xb000, 0xb3ff) AM_RAM // same fg videoram (which one of the 2 is really used?) - AM_RANGE(0xb800, 0xbfff) AM_RAM_WRITE(imago_sprites_dma_w) - AM_RANGE(0xc000, 0xc7ff) AM_RAM - AM_RANGE(0xc800, 0xcbff) AM_RAM_WRITE(imago_fg_videoram_w) AM_SHARE("imago_fg_vram") - AM_RANGE(0xd000, 0xd3ff) AM_RAM_WRITE(fastfred_videoram_w) AM_SHARE("videoram") - AM_RANGE(0xd800, 0xd83f) AM_RAM_WRITE(fastfred_attributes_w) AM_SHARE("attributesram") - AM_RANGE(0xd840, 0xd85f) AM_RAM AM_SHARE("spriteram") - AM_RANGE(0xd860, 0xd8ff) AM_RAM // Unused, but initialized - AM_RANGE(0xe000, 0xe000) AM_READ_PORT("BUTTONS") - AM_RANGE(0xe800, 0xe800) AM_READ_PORT("JOYS") - AM_RANGE(0xf000, 0xf000) AM_READ_PORT("DSW") - AM_RANGE(0xf000, 0xf007) AM_MIRROR(0x03f8) AM_DEVWRITE("outlatch", ls259_device, write_d0) - AM_RANGE(0xf400, 0xf400) AM_WRITENOP // writes 0 or 2 - AM_RANGE(0xf401, 0xf401) AM_WRITE(imago_sprites_bank_w) - AM_RANGE(0xf800, 0xf800) AM_READNOP AM_DEVWRITE("soundlatch", generic_latch_8_device, write) -ADDRESS_MAP_END - -ADDRESS_MAP_START(fastfred_state::sound_map) - AM_RANGE(0x0000, 0x1fff) AM_ROM - AM_RANGE(0x2000, 0x23ff) AM_RAM - AM_RANGE(0x3000, 0x3000) AM_DEVREAD("soundlatch", generic_latch_8_device, read) AM_WRITE(sound_nmi_mask_w) - AM_RANGE(0x4000, 0x4000) AM_WRITEONLY // Reset PSG's - AM_RANGE(0x5000, 0x5001) AM_DEVWRITE("ay8910.1", ay8910_device, address_data_w) - AM_RANGE(0x6000, 0x6001) AM_DEVWRITE("ay8910.2", ay8910_device, address_data_w) - AM_RANGE(0x7000, 0x7000) AM_READNOP // only for Imago, read but not used -ADDRESS_MAP_END + map(0xf800, 0xf801).nopr().w("ay8910.1", FUNC(ay8910_device::address_data_w)); +} + + +void fastfred_state::imago_map(address_map &map) +{ + map(0x0000, 0x0fff).rom(); + map(0x1000, 0x1fff).r(this, FUNC(fastfred_state::imago_sprites_offset_r)); + map(0x2000, 0x6fff).rom(); + map(0xb000, 0xb3ff).ram(); // same fg videoram (which one of the 2 is really used?) + map(0xb800, 0xbfff).ram().w(this, FUNC(fastfred_state::imago_sprites_dma_w)); + map(0xc000, 0xc7ff).ram(); + map(0xc800, 0xcbff).ram().w(this, FUNC(fastfred_state::imago_fg_videoram_w)).share("imago_fg_vram"); + map(0xd000, 0xd3ff).ram().w(this, FUNC(fastfred_state::fastfred_videoram_w)).share("videoram"); + map(0xd800, 0xd83f).ram().w(this, FUNC(fastfred_state::fastfred_attributes_w)).share("attributesram"); + map(0xd840, 0xd85f).ram().share("spriteram"); + map(0xd860, 0xd8ff).ram(); // Unused, but initialized + map(0xe000, 0xe000).portr("BUTTONS"); + map(0xe800, 0xe800).portr("JOYS"); + map(0xf000, 0xf000).portr("DSW"); + map(0xf000, 0xf007).mirror(0x03f8).w("outlatch", FUNC(ls259_device::write_d0)); + map(0xf400, 0xf400).nopw(); // writes 0 or 2 + map(0xf401, 0xf401).w(this, FUNC(fastfred_state::imago_sprites_bank_w)); + map(0xf800, 0xf800).nopr().w("soundlatch", FUNC(generic_latch_8_device::write)); +} + +void fastfred_state::sound_map(address_map &map) +{ + map(0x0000, 0x1fff).rom(); + map(0x2000, 0x23ff).ram(); + map(0x3000, 0x3000).r("soundlatch", FUNC(generic_latch_8_device::read)).w(this, FUNC(fastfred_state::sound_nmi_mask_w)); + map(0x4000, 0x4000).writeonly(); // Reset PSG's + map(0x5000, 0x5001).w("ay8910.1", FUNC(ay8910_device::address_data_w)); + map(0x6000, 0x6001).w("ay8910.2", FUNC(ay8910_device::address_data_w)); + map(0x7000, 0x7000).nopr(); // only for Imago, read but not used +} static INPUT_PORTS_START( common ) |