diff options
Diffstat (limited to 'src/mame/drivers/gng.cpp')
-rw-r--r-- | src/mame/drivers/gng.cpp | 117 |
1 files changed, 60 insertions, 57 deletions
diff --git a/src/mame/drivers/gng.cpp b/src/mame/drivers/gng.cpp index a91bff687c3..55723487f62 100644 --- a/src/mame/drivers/gng.cpp +++ b/src/mame/drivers/gng.cpp @@ -65,63 +65,66 @@ READ8_MEMBER(gng_state::diamond_hack_r) return 0; } -ADDRESS_MAP_START(gng_state::gng_map) - AM_RANGE(0x0000, 0x1dff) AM_RAM - AM_RANGE(0x1e00, 0x1fff) AM_RAM AM_SHARE("spriteram") - AM_RANGE(0x2000, 0x27ff) AM_RAM_WRITE(gng_fgvideoram_w) AM_SHARE("fgvideoram") - AM_RANGE(0x2800, 0x2fff) AM_RAM_WRITE(gng_bgvideoram_w) AM_SHARE("bgvideoram") - AM_RANGE(0x3000, 0x3000) AM_READ_PORT("SYSTEM") - AM_RANGE(0x3001, 0x3001) AM_READ_PORT("P1") - AM_RANGE(0x3002, 0x3002) AM_READ_PORT("P2") - AM_RANGE(0x3003, 0x3003) AM_READ_PORT("DSW1") - AM_RANGE(0x3004, 0x3004) AM_READ_PORT("DSW2") - AM_RANGE(0x3800, 0x38ff) AM_DEVWRITE("palette", palette_device, write8_ext) AM_SHARE("palette_ext") - AM_RANGE(0x3900, 0x39ff) AM_DEVWRITE("palette", palette_device, write8) AM_SHARE("palette") - AM_RANGE(0x3a00, 0x3a00) AM_DEVWRITE("soundlatch", generic_latch_8_device, write) - AM_RANGE(0x3b08, 0x3b09) AM_WRITE(gng_bgscrollx_w) - AM_RANGE(0x3b0a, 0x3b0b) AM_WRITE(gng_bgscrolly_w) - AM_RANGE(0x3c00, 0x3c00) AM_NOP /* watchdog? */ - AM_RANGE(0x3d00, 0x3d07) AM_DEVWRITE("mainlatch", ls259_device, write_d0) - AM_RANGE(0x3e00, 0x3e00) AM_WRITE(gng_bankswitch_w) - AM_RANGE(0x4000, 0x5fff) AM_ROMBANK("bank1") - AM_RANGE(0x6000, 0xffff) AM_ROM -ADDRESS_MAP_END - -ADDRESS_MAP_START(gng_state::diamond_map) - AM_RANGE(0x0000, 0x1dff) AM_RAM - AM_RANGE(0x1e00, 0x1fff) AM_RAM AM_SHARE("spriteram") - AM_RANGE(0x2000, 0x27ff) AM_RAM_WRITE(gng_fgvideoram_w) AM_SHARE("fgvideoram") - AM_RANGE(0x2800, 0x2fff) AM_RAM_WRITE(gng_bgvideoram_w) AM_SHARE("bgvideoram") - AM_RANGE(0x3000, 0x33ff) AM_NOP // faulty POST? - AM_RANGE(0x3000, 0x3000) AM_READ_PORT("SYSTEM") - AM_RANGE(0x3001, 0x3001) AM_READ_PORT("P1") - AM_RANGE(0x3002, 0x3002) AM_READ_PORT("P2") - AM_RANGE(0x3003, 0x3003) AM_READ_PORT("DSW1") - AM_RANGE(0x3004, 0x3004) AM_READ_PORT("DSW2") - AM_RANGE(0x3800, 0x38ff) AM_DEVWRITE("palette", palette_device, write8_ext) AM_SHARE("palette_ext") - AM_RANGE(0x3900, 0x39ff) AM_DEVWRITE("palette", palette_device, write8) AM_SHARE("palette") - AM_RANGE(0x3a00, 0x3a00) AM_DEVWRITE("soundlatch", generic_latch_8_device, write) - AM_RANGE(0x3b08, 0x3b09) AM_WRITE(gng_bgscrollx_w) - AM_RANGE(0x3b0a, 0x3b0b) AM_WRITE(gng_bgscrolly_w) - AM_RANGE(0x3c00, 0x3c00) AM_NOP /* watchdog? */ - AM_RANGE(0x3d00, 0x3d00) AM_WRITENOP // ? (writes $01 and $0F) - AM_RANGE(0x3d01, 0x3d01) AM_WRITENOP // ? - AM_RANGE(0x3e00, 0x3e00) AM_WRITE(gng_bankswitch_w) - AM_RANGE(0x4000, 0x5fff) AM_ROMBANK("bank1") - AM_RANGE(0x6000, 0xffff) AM_ROM - AM_RANGE(0x6000, 0x6000) AM_READ(diamond_hack_r) - AM_RANGE(0x6048, 0x6048) AM_WRITENOP // ? -ADDRESS_MAP_END - - - -ADDRESS_MAP_START(gng_state::sound_map) - AM_RANGE(0x0000, 0x7fff) AM_ROM - AM_RANGE(0xc000, 0xc7ff) AM_RAM - AM_RANGE(0xc800, 0xc800) AM_DEVREAD("soundlatch", generic_latch_8_device, read) - AM_RANGE(0xe000, 0xe001) AM_DEVWRITE("ym1", ym2203_device, write) - AM_RANGE(0xe002, 0xe003) AM_DEVWRITE("ym2", ym2203_device, write) -ADDRESS_MAP_END +void gng_state::gng_map(address_map &map) +{ + map(0x0000, 0x1dff).ram(); + map(0x1e00, 0x1fff).ram().share("spriteram"); + map(0x2000, 0x27ff).ram().w(this, FUNC(gng_state::gng_fgvideoram_w)).share("fgvideoram"); + map(0x2800, 0x2fff).ram().w(this, FUNC(gng_state::gng_bgvideoram_w)).share("bgvideoram"); + map(0x3000, 0x3000).portr("SYSTEM"); + map(0x3001, 0x3001).portr("P1"); + map(0x3002, 0x3002).portr("P2"); + map(0x3003, 0x3003).portr("DSW1"); + map(0x3004, 0x3004).portr("DSW2"); + map(0x3800, 0x38ff).w(m_palette, FUNC(palette_device::write8_ext)).share("palette_ext"); + map(0x3900, 0x39ff).w(m_palette, FUNC(palette_device::write8)).share("palette"); + map(0x3a00, 0x3a00).w("soundlatch", FUNC(generic_latch_8_device::write)); + map(0x3b08, 0x3b09).w(this, FUNC(gng_state::gng_bgscrollx_w)); + map(0x3b0a, 0x3b0b).w(this, FUNC(gng_state::gng_bgscrolly_w)); + map(0x3c00, 0x3c00).noprw(); /* watchdog? */ + map(0x3d00, 0x3d07).w("mainlatch", FUNC(ls259_device::write_d0)); + map(0x3e00, 0x3e00).w(this, FUNC(gng_state::gng_bankswitch_w)); + map(0x4000, 0x5fff).bankr("bank1"); + map(0x6000, 0xffff).rom(); +} + +void gng_state::diamond_map(address_map &map) +{ + map(0x0000, 0x1dff).ram(); + map(0x1e00, 0x1fff).ram().share("spriteram"); + map(0x2000, 0x27ff).ram().w(this, FUNC(gng_state::gng_fgvideoram_w)).share("fgvideoram"); + map(0x2800, 0x2fff).ram().w(this, FUNC(gng_state::gng_bgvideoram_w)).share("bgvideoram"); + map(0x3000, 0x33ff).noprw(); // faulty POST? + map(0x3000, 0x3000).portr("SYSTEM"); + map(0x3001, 0x3001).portr("P1"); + map(0x3002, 0x3002).portr("P2"); + map(0x3003, 0x3003).portr("DSW1"); + map(0x3004, 0x3004).portr("DSW2"); + map(0x3800, 0x38ff).w(m_palette, FUNC(palette_device::write8_ext)).share("palette_ext"); + map(0x3900, 0x39ff).w(m_palette, FUNC(palette_device::write8)).share("palette"); + map(0x3a00, 0x3a00).w("soundlatch", FUNC(generic_latch_8_device::write)); + map(0x3b08, 0x3b09).w(this, FUNC(gng_state::gng_bgscrollx_w)); + map(0x3b0a, 0x3b0b).w(this, FUNC(gng_state::gng_bgscrolly_w)); + map(0x3c00, 0x3c00).noprw(); /* watchdog? */ + map(0x3d00, 0x3d00).nopw(); // ? (writes $01 and $0F) + map(0x3d01, 0x3d01).nopw(); // ? + map(0x3e00, 0x3e00).w(this, FUNC(gng_state::gng_bankswitch_w)); + map(0x4000, 0x5fff).bankr("bank1"); + map(0x6000, 0xffff).rom(); + map(0x6000, 0x6000).r(this, FUNC(gng_state::diamond_hack_r)); + map(0x6048, 0x6048).nopw(); // ? +} + + + +void gng_state::sound_map(address_map &map) +{ + map(0x0000, 0x7fff).rom(); + map(0xc000, 0xc7ff).ram(); + map(0xc800, 0xc800).r("soundlatch", FUNC(generic_latch_8_device::read)); + map(0xe000, 0xe001).w("ym1", FUNC(ym2203_device::write)); + map(0xe002, 0xe003).w("ym2", FUNC(ym2203_device::write)); +} static INPUT_PORTS_START( gng ) |