diff options
Diffstat (limited to 'src/mame/drivers/akkaarrh.cpp')
-rwxr-xr-x | src/mame/drivers/akkaarrh.cpp | 401 |
1 files changed, 401 insertions, 0 deletions
diff --git a/src/mame/drivers/akkaarrh.cpp b/src/mame/drivers/akkaarrh.cpp new file mode 100755 index 00000000000..be93fe7c91b --- /dev/null +++ b/src/mame/drivers/akkaarrh.cpp @@ -0,0 +1,401 @@ +/*************************************************************************** + + Atari Akka Arrh hardware + + driver by Aaron Giles + + Games supported: + * Akka Arrh (1982) + + Known issues: + * none at this time + +***************************************************************************/ + +#include "emu.h" +#include "cpu/m6502/m6502.h" +#include "machine/er2055.h" +#include "machine/watchdog.h" +#include "sound/pokey.h" +#include "emupal.h" +#include "speaker.h" + + +class akkaarrh_state : public driver_device +{ +public: + akkaarrh_state(const machine_config &mconfig, device_type type, const char *tag) : + driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), + m_earom(*this, "earom"), + m_videoram(*this, "videoram"), + m_spriteram(*this, "spriteram"), + m_palette(*this, "palette"), + m_palette_ram(*this, "paletteram"), + m_gfxdecode(*this, "gfxdecode"), + m_screen(*this, "screen") + { } + + void akkaarrh(machine_config &config); + +private: + virtual void video_start() override; + uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); + + void main_map(address_map &map); + + TILE_GET_INFO_MEMBER(get_tile_info); + + DECLARE_WRITE8_MEMBER(videoram_w); + DECLARE_WRITE8_MEMBER(paletteram_w); + DECLARE_WRITE8_MEMBER(irq_ack_w); + DECLARE_WRITE8_MEMBER(unknown_w); + DECLARE_WRITE8_MEMBER(video_mirror_w); + DECLARE_READ8_MEMBER(earom_read); + DECLARE_WRITE8_MEMBER(earom_write); + DECLARE_WRITE8_MEMBER(earom_control_w); + + required_device<cpu_device> m_maincpu; + required_device<er2055_device> m_earom; + required_shared_ptr<uint8_t> m_videoram; + required_shared_ptr<uint8_t> m_spriteram; + required_device<palette_device> m_palette; + required_shared_ptr<uint8_t> m_palette_ram; + required_device<gfxdecode_device> m_gfxdecode; + required_device<screen_device> m_screen; + + tilemap_t * m_tilemap[4]; + uint8_t m_video_mirror; +}; + +static constexpr XTAL MASTER_CLOCK = 12.096_MHz_XTAL; + + + +/************************************* + * + * Video system start and update + * + *************************************/ + +void akkaarrh_state::video_start() +{ + m_tilemap[0] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(akkaarrh_state::get_tile_info), this), TILEMAP_SCAN_ROWS, 8, 8, 32, 30); + m_tilemap[1] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(akkaarrh_state::get_tile_info), this), TILEMAP_SCAN_ROWS, 8, 8, 32, 30); + m_tilemap[2] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(akkaarrh_state::get_tile_info), this), TILEMAP_SCAN_ROWS, 8, 8, 32, 30); + m_tilemap[3] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(akkaarrh_state::get_tile_info), this), TILEMAP_SCAN_ROWS, 8, 8, 32, 30); + + m_tilemap[0]->set_flip(0); + m_tilemap[1]->set_flip(TILEMAP_FLIPX); + m_tilemap[2]->set_flip(TILEMAP_FLIPY); + m_tilemap[3]->set_flip(TILEMAP_FLIPX | TILEMAP_FLIPY); +} + +uint32_t akkaarrh_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + // draw the background + if ((m_video_mirror & 1) == 0) + { + m_tilemap[0]->draw(screen, bitmap, cliprect, 0, 0); + } + else + { + // the zoom-effect mirrors the upper-left quadrant + static const rectangle quadrants[4] = + { + { 0, 127, 0, 119 }, + { 128, 255, 0, 119 }, + { 0, 127, 120, 239 }, + { 128, 255, 120, 239 } + }; + + for (uint32_t i = 0 ; i < 4; ++i) + { + rectangle clip = cliprect; + clip &= quadrants[i]; + m_tilemap[i]->draw(screen, bitmap, clip, 0, 0); + } + } + + gfx_element *gfx = m_gfxdecode->gfx(1); + + // draw the sprites + for (uint32_t offs = 0; offs < 0x100; offs += 4) + { + int code = m_spriteram[offs + 1]; + int color = m_spriteram[offs] & 0xf; + int x = m_spriteram[offs + 3]; + int y = 240 - m_spriteram[offs + 2]; + + gfx->transpen(bitmap, cliprect, code, color, 0, 0, x, y, 0); + } + + return 0; +} + + + +/************************************* + * + * Video RAM access + * + *************************************/ + +TILE_GET_INFO_MEMBER(akkaarrh_state::get_tile_info) +{ + int data = m_videoram[tile_index]; + int data2 = m_videoram[tile_index + 0x400]; + SET_TILE_INFO_MEMBER(0, data, data2 & 0xf, TILE_FLIPYX(data2 >> 6)); +} + +WRITE8_MEMBER(akkaarrh_state::videoram_w) +{ + m_videoram[offset] = data; + + int tile = offset & 0x3ff; + m_tilemap[0]->mark_tile_dirty(tile); + m_tilemap[1]->mark_tile_dirty(tile); + m_tilemap[2]->mark_tile_dirty(tile); + m_tilemap[3]->mark_tile_dirty(tile); +} + +WRITE8_MEMBER(akkaarrh_state::paletteram_w) +{ + m_palette_ram[offset] = data; + m_palette->set_pen_color(offset, pal3bit(data >> 5), pal2bit(data >> 3), pal3bit(data >> 0)); +} + + + +/************************************* + * + * Memory handlers + * + *************************************/ + +WRITE8_MEMBER(akkaarrh_state::video_mirror_w) +{ + m_video_mirror = data; +} + +WRITE8_MEMBER(akkaarrh_state::irq_ack_w) +{ + m_maincpu->set_input_line(M6502_IRQ_LINE, CLEAR_LINE); +} + +WRITE8_MEMBER(akkaarrh_state::unknown_w) +{ + // Might be lamps? +} + + + +/************************************* + * + * High score EAROM + * + *************************************/ + +READ8_MEMBER(akkaarrh_state::earom_read) +{ + return m_earom->data(); +} + +WRITE8_MEMBER(akkaarrh_state::earom_write) +{ + m_earom->set_address(offset & 0x3f); + m_earom->set_data(data); +} + +WRITE8_MEMBER(akkaarrh_state::earom_control_w) +{ + // CK = DB0, C1 = /DB2, C2 = DB1, CS1 = DB3, /CS2 = GND + m_earom->set_control(BIT(data, 3), 1, !BIT(data, 2), BIT(data, 1)); + m_earom->set_clk(BIT(data, 0)); +} + + + +/************************************* + * + * CPU memory map + * + *************************************/ + +void akkaarrh_state::main_map(address_map &map) +{ + map(0x0000, 0x07ff).ram(); + map(0x1000, 0x10ff).ram().share("spriteram"); + map(0x2000, 0x27ff).ram().w(FUNC(akkaarrh_state::videoram_w)).share("videoram"); + map(0x3000, 0x30ff).ram().w(FUNC(akkaarrh_state::paletteram_w)).share("paletteram"); + map(0x4000, 0x4000).w(FUNC(akkaarrh_state::irq_ack_w)); + map(0x5000, 0x5000).w("watchdog", FUNC(watchdog_timer_device::reset_w)); + map(0x6000, 0x6000).w(FUNC(akkaarrh_state::video_mirror_w)); + map(0x7010, 0x701f).rw("pokey1", FUNC(pokey_device::read), FUNC(pokey_device::write)); + map(0x7020, 0x702f).rw("pokey2", FUNC(pokey_device::read), FUNC(pokey_device::write)); + map(0x7040, 0x707f).nopr().w(FUNC(akkaarrh_state::earom_write)); + map(0x7080, 0x7080).portr("7080"); + map(0x7081, 0x7081).portr("7081"); + map(0x7082, 0x7082).portr("7082"); + map(0x7083, 0x7083).portr("7083"); + map(0x7087, 0x7087).r(FUNC(akkaarrh_state::earom_read)); + map(0x70c0, 0x70c3).w(FUNC(akkaarrh_state::unknown_w)); + map(0x70c7, 0x70c7).w(FUNC(akkaarrh_state::earom_control_w)); + map(0x8000, 0xffff).rom(); +} + + + +/************************************* + * + * Port definitions + * + *************************************/ + +static INPUT_PORTS_START( akkaarrh ) + PORT_START("7080") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("Zoom") + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Fire") + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Power blaster") + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_START("7081") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN ) // tested; if 0, writes 240 to $FD + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) // resets game + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START1 ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_START("7082") + PORT_BIT( 0x0f, 0x00, IPT_TRACKBALL_X ) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_REVERSE + PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_START("7083") + PORT_BIT( 0x0f, 0x00, IPT_TRACKBALL_Y ) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) + PORT_BIT( 0x30, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_VBLANK("screen") + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) +INPUT_PORTS_END + + + +/************************************* + * + * Graphics definitions + * + *************************************/ + +static const gfx_layout pflayout = +{ + 8,8, + RGN_FRAC(1,4), + 4, + { RGN_FRAC(3,4), RGN_FRAC(2,4), RGN_FRAC(1,4), RGN_FRAC(0,4) }, + { 0, 1, 2, 3, 4, 5, 6, 7 }, + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, + 8*8 +}; + +static const gfx_layout spritelayout = +{ + 16,16, + RGN_FRAC(1,4), + 4, + { RGN_FRAC(3,4), RGN_FRAC(2,4), RGN_FRAC(1,4), RGN_FRAC(0,4) }, + { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, + { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16, 8*16, 9*16, 10*16, 11*16, 12*16, 13*16, 14*16, 15*16 }, + 16*16 +}; + +static GFXDECODE_START( gfx_akkaarrh ) + GFXDECODE_ENTRY( "gfx1", 0x0000, pflayout, 0, 16 ) + GFXDECODE_ENTRY( "gfx2", 0x0000, spritelayout, 0, 16 ) +GFXDECODE_END + + + +/************************************* + * + * Machine driver + * + *************************************/ + +void akkaarrh_state::akkaarrh(machine_config &config) +{ + // basic machine hardware + M6502(config, m_maincpu, MASTER_CLOCK/8); // Unverified + m_maincpu->set_addrmap(AS_PROGRAM, &akkaarrh_state::main_map); + m_maincpu->set_periodic_int(FUNC(akkaarrh_state::irq0_line_assert), attotime::from_hz(4 * 60)); + + WATCHDOG_TIMER(config, "watchdog"); + ER2055(config, m_earom); + + // video hardware + GFXDECODE(config, m_gfxdecode, m_palette, gfx_akkaarrh); + PALETTE(config, m_palette).set_entries(256); + + SCREEN(config, m_screen, SCREEN_TYPE_RASTER); + m_screen->set_size(256, 262); + m_screen->set_visarea(0, 255, 0, 239); + m_screen->set_refresh_hz(60); + m_screen->set_screen_update(FUNC(akkaarrh_state::screen_update)); + m_screen->set_palette(m_palette); + + // sound hardware + SPEAKER(config, "mono").front_center(); + + pokey_device &pokey1(POKEY(config, "pokey1", 1250000)); // Unverified + pokey1.add_route(ALL_OUTPUTS, "mono", 0.5); + + pokey_device &pokey2(POKEY(config, "pokey2", 1250000)); // Unverified + pokey2.add_route(ALL_OUTPUTS, "mono", 0.5); +} + + + +/************************************* + * + * ROM definitions + * + *************************************/ + +ROM_START( akkaarrh ) + ROM_REGION( 0x10000, "maincpu", 0 ) + ROM_LOAD( "akka_8000.p1", 0x8000, 0x1000, CRC(578bb162) SHA1(f003d9a63e397c377e4738ca31a637da1da2cbdb) ) + ROM_LOAD( "akka_9000.m1", 0x9000, 0x1000, CRC(837fa612) SHA1(2a2ccbf879fd9cfc0342e6c5bbcd23962bdbbcde) ) + ROM_LOAD( "akka_a000.l1", 0xa000, 0x1000, CRC(13c769e9) SHA1(8e6c7b21fa555850ba8d00abbb4516e483964b5d) ) + ROM_LOAD( "akka_b000.j1", 0xb000, 0x1000, CRC(35c04f28) SHA1(71ad7eaf5bf96c1a0a321f1b04706afd40d9757f) ) + ROM_LOAD( "akka_c000.h1", 0xc000, 0x1000, CRC(17e85ac4) SHA1(bd010060eaf8fbf27176d4fdec241ee3b42aece8) ) + ROM_LOAD( "akka_d000.e1", 0xd000, 0x1000, CRC(03fb4143) SHA1(3a2106d7322139b9924566133d084bb7c5d769bc) ) + ROM_LOAD( "akka_e000.f1", 0xe000, 0x1000, CRC(8d3e671c) SHA1(c99d92c4afaa1ba043520b98d925f83490e49f0a) ) + ROM_RELOAD( 0xf000, 0x1000 ) + + ROM_REGION( 0x2000, "gfx1", 0 ) + ROM_LOAD( "akka_pf0.l6", 0x0000, 0x0800, CRC(5c10b63e) SHA1(27ac6cebb3f6733cb830210f4723938ec2ddaafc) ) + ROM_LOAD( "akka_pf1.j6", 0x0800, 0x0800, CRC(636fd64c) SHA1(c2985332b8f32a8dd096fc081df12ae1a132e6a3) ) + ROM_LOAD( "akka_pf2.p6", 0x1000, 0x0800, CRC(a5f25d69) SHA1(8f5af774db3ed3969c8c0a0b530ea62198830e3d) ) + ROM_LOAD( "akka_pf3.m6", 0x1800, 0x0800, CRC(a3449469) SHA1(42f2ccf6ea02987bfb91ff1ca42684e9700f2f8f) ) + + ROM_REGION( 0x4000, "gfx2", 0 ) + ROM_LOAD( "akka_mo0.f11", 0x0000, 0x1000, CRC(71bd1bc6) SHA1(9c3d2c039c648834a7a0b98cd2dcbbbb88f74dd8) ) + ROM_LOAD( "akka_mo1.d11", 0x1000, 0x1000, CRC(a5ee8ecc) SHA1(d2a8c9791dca9157d9d20b8a4f6e760e6db35f05) ) + ROM_LOAD( "akka_mo2.a11", 0x2000, 0x1000, CRC(11cec4d9) SHA1(32ea614c25473aeb9a012a3980ad616592f6c3bb) ) + ROM_LOAD( "akka_mo3.b11", 0x3000, 0x1000, CRC(adcf6a36) SHA1(0555a252ba39400d2c533add6ac492926674d6ad) ) +ROM_END + + + +/************************************* + * + * Game drivers + * + *************************************/ + +GAME( 1982, akkaarrh, 0, akkaarrh, akkaarrh, akkaarrh_state, empty_init, ROT0, "Atari", "Akka Arrh (prototype)", 0 ) |