diff options
Diffstat (limited to 'src/mame/jaleco/skyfox.cpp')
-rw-r--r-- | src/mame/jaleco/skyfox.cpp | 684 |
1 files changed, 684 insertions, 0 deletions
diff --git a/src/mame/jaleco/skyfox.cpp b/src/mame/jaleco/skyfox.cpp new file mode 100644 index 00000000000..c87882c8b63 --- /dev/null +++ b/src/mame/jaleco/skyfox.cpp @@ -0,0 +1,684 @@ +// license:BSD-3-Clause +// copyright-holders: Luca Elia + +/*************************************************************************** + + -= Sky Fox / Exerizer =- + + driver by Luca Elia (l.elia@tin.it) + + +CPU : Z80A x 2 +Sound: YM2203C x 2 +Other: 2 HM6116LP-3 (one on each board) + 1 KM6264L-15 (on bottom board) + +TODO: +- The background rendering is entirely guesswork; +- DMA trigger happens at vpos 24 with legacy video parameters, + needs H/VSync PCB calculations, also notice that 62.65 Hz comes from the + bootleg and may be different for original; + +2008-07 +Verified Dip locations and recommended settings with manual + +***************************************************************************/ + +#include "emu.h" + +#include "cpu/z80/z80.h" +#include "machine/gen_latch.h" +#include "sound/ymopn.h" +#include "video/resnet.h" + +#include "emupal.h" +#include "screen.h" +#include "speaker.h" + + +namespace { + +class skyfox_state : public driver_device +{ +public: + skyfox_state(const machine_config &mconfig, device_type type, const char *tag) : + driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), + m_audiocpu(*this, "audiocpu"), + m_gfxdecode(*this, "gfxdecode"), + m_screen(*this, "screen"), + m_palette(*this, "palette"), + m_spriteram(*this, "spriteram"), + m_bgram(*this, "bgram"), + m_bgrom(*this, "tiles") + { } + + void skyfox(machine_config &config); + + void init_skyfox(); + + DECLARE_INPUT_CHANGED_MEMBER(coin_inserted); + +protected: + virtual void machine_start() override ATTR_COLD; + virtual void machine_reset() override ATTR_COLD; + +private: + // devices/memory pointers + required_device<cpu_device> m_maincpu; + required_device<cpu_device> m_audiocpu; + required_device<gfxdecode_device> m_gfxdecode; + required_device<screen_device> m_screen; + required_device<palette_device> m_palette; + required_shared_ptr<uint8_t> m_spriteram; + required_shared_ptr<uint8_t> m_bgram; + required_region_ptr<uint8_t> m_bgrom; + + uint8_t m_bg_ctrl = 0; + + void bg_ctrl_w(uint8_t data); + void palette(palette_device &palette) const; + uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); + void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect); + void draw_background(bitmap_ind16 &bitmap, const rectangle &cliprect); + + void main_map(address_map &map) ATTR_COLD; + void sound_map(address_map &map) ATTR_COLD; +}; + + +/*************************************************************************** + + + [ 1 Background ] + + The stars in the background are not tile based (I think!) and + their rendering is entirely guesswork for now.. + + I draw a star for each horizontal line using 2 bytes in the + background ROM: + + - the first byte seems a color / shape info + - the second byte seems a position info + + The ROM holds 4 chunks of $2000 bytes. Most of the data does not + change between chunks, while the remaining part (which is rendered + to what seems a "milky way") pulsates in color and/or shape + to simulate the shimmering of stars (?!) if we draw one chunk only + and cycle through the four. Indeed, there's a register cycling + through 4 values. + + Since the result kind of matches a screenshot we have, I feel the + drawn result is not that far from reality. On the other hand we + have a random arrangement of stars, so it's hard to tell for sure.. + + [ 256 Sprites ] + + Sprites are 8 planes deep and can be 8x8, 16x16 or 32x32 pixels + in size. They are stored as 32x32x8 tiles in the ROMs. + + +***************************************************************************/ + +/*************************************************************************** + + Convert the color PROMs into a more useable format. + + There are three 256x4 palette PROMs (one per gun). + The palette PROMs are connected to the RGB output this way: + + bit 3 -- 110 ohm resistor -- RED/GREEN/BLUE + -- 220 ohm resistor -- RED/GREEN/BLUE + -- 680 ohm resistor -- RED/GREEN/BLUE + bit 0 -- 1.2kohm resistor -- RED/GREEN/BLUE + +***************************************************************************/ + +static constexpr res_net_decode_info decode_info = +{ + 1, + 0, 255, // start/end + // R, G, B, + { 0, 0x100, 0x200, }, // offsets + { 0, 0, 0, }, // shifts + { 0xf, 0xf, 0xf, } // masks +}; + +static constexpr res_net_info net_info = +{ + RES_NET_VCC_5V | RES_NET_VBIAS_5V | RES_NET_VIN_TTL_OUT, + { + { RES_NET_AMP_NONE, 0, 0, 4, { 1200, 680, 220, 110 } }, + { RES_NET_AMP_NONE, 0, 0, 4, { 1200, 680, 220, 110 } }, + { RES_NET_AMP_NONE, 0, 0, 4, { 1200, 680, 220, 110 } } + } +}; + +void skyfox_state::palette(palette_device &palette) const +{ + uint8_t const *const color_prom = memregion("proms")->base(); + std::vector<rgb_t> rgb; + + compute_res_net_all(rgb, color_prom, decode_info, net_info); + palette.set_pen_colors(0, rgb); +} + + +/*************************************************************************** + + Sprites Drawing + +Offset: Value: + +03 Code: selects one of the 32x32 tiles in the ROMs. + (Tiles $80-ff are bankswitched to cover $180 tiles) + +02 Code + Attr + + 7654 ---- Code (low 4 bits) + 8x8 sprites use bits 7654 (since there are 16 8x8 tiles in the 32x32 one) + 16x16 sprites use bits --54 (since there are 4 16x16 tiles in the 32x32 one) + 32x32 sprites use no bits (since the 32x32 tile is already selected) + + 7--- 3--- Size + 1--- 1--- : 32x32 sprites + 0--- 1--- : 16x16 sprites + 8x8 sprites otherwise + + ---- -2-- Flip Y + ---- --1- Flip X + ---- ---0 X Low Bit + +00 Y + +01 X (High 8 Bits) + +***************************************************************************/ + +void skyfox_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + gfx_element *gfx = m_gfxdecode->gfx(0); + int const width = m_screen->width(); + int const height = m_screen->height(); + + // The 32x32 tiles in the 80-ff range are bankswitched + int const shift = (m_bg_ctrl & 0x80) ? (4 - 1) : 4; + + for (int offs = 0; offs < m_spriteram.bytes(); offs += 4) + { + int code = m_spriteram[offs + 3] << 8 | m_spriteram[offs + 2]; + int flipx = code & 0x2; + int flipy = code & 0x4; + int y = m_spriteram[offs + 0]; + int x = m_spriteram[offs + 1] << 1 | (code & 1); + + int const high_code = ((code >> 4) & 0x7f0) + ((code & 0x8000) >> shift); + + int low_code, n; + + switch (code & 0x88) + { + case 0x88: n = 4; low_code = 0; break; + case 0x08: n = 2; low_code = (code & 0x20) >> 2 | (code & 0x10) >> 3; break; + default: n = 1; low_code = (code >> 4) & 0xf; break; + } + + if (m_bg_ctrl & 1) // flipscreen + { + x = width - x - n * 8; + y = height - y - n * 8; + flipx = !flipx; + flipy = !flipy; + } + + int xstart, ystart, xend, yend, xinc, yinc; + + if (flipx) { xstart = n - 1; xend = -1; xinc = -1; } + else { xstart = 0; xend = n; xinc = +1; } + + if (flipy) { ystart = n - 1; yend = -1; yinc = -1; } + else { ystart = 0; yend = n; yinc = +1; } + + + code = low_code + high_code; + + for (int dy = ystart; dy != yend; dy += yinc) + { + for (int dx = xstart; dx != xend; dx += xinc, code++) + { + gfx->transpen(bitmap, cliprect, code, 0, flipx, flipy, dx * 8 + x, dy * 8 + y, 0xff); + + // wraparound y - BTANB: large sprites exiting the screen sometimes reappear on the other edge + gfx->transpen(bitmap, cliprect, code, 0, flipx, flipy, dx * 8 + x, dy * 8 + y - 256, 0xff); + } + + if (n == 2) + code += 2; + } + } +} + + + +/*************************************************************************** + + Background Rendering + +***************************************************************************/ + +void skyfox_state::draw_background(bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + // Blinking stops until the first star moves after turning on the power + bool const blinking = (m_bg_ctrl & 0x8); + /* Star pattern change. This will change when all star clusters go out of screen or when the player restarts. + When it changes, it will change color of the star clusters. */ + int const pattern = (m_bg_ctrl & 0x6) >> 1; + + for (int i = 0; i < 0x1000; i++) + { + // contains the position of stars from 0xd4e0 in RAM + int const ramoffset = 0xe0 + (i & 0xf) * 2; + int const pos = m_bgram[ramoffset + 1] * 2 + ((m_bgram[ramoffset] & 0x80) ? 1 : 0); + + // ROM offset of star pattern + int const offs = (i * 2) % 0x2000 + pattern * 0x2000; + + /* Adjusted with 1 pixel accuracy compared to PCB. + Confirmed that pixel and color pattern match in the "1UP START" screen. */ + int const pen = m_bgrom[offs]; + int const x = m_bgrom[offs + 1] * 2 + pos + 0x5b; + int const y = (i >> 4) + 1; + + /* When flipscreen is enabled, scroll direction is flipped by only in-game subroutine. + This PCB does not seem to support background flip. */ + + /* This looks perfect at first glance. + but when strict compared on "1UP START" screen, + it seems the blinking pattern in each star may be different. */ + if (((m_bg_ctrl >> 4) & 3) != (pen & 3) || !blinking) + bitmap.pix(y % 256, x % 512) = pen; + } +} + + +/*************************************************************************** + + Screen Drawing + +***************************************************************************/ + +uint32_t skyfox_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + bitmap.fill(0xff, cliprect); // the bg is black + draw_background(bitmap, cliprect); + draw_sprites(bitmap, cliprect); + return 0; +} + + +/*************************************************************************** + + Main CPU + +***************************************************************************/ + +void skyfox_state::bg_ctrl_w(uint8_t data) +{ + m_bg_ctrl = data; +} + +void skyfox_state::main_map(address_map &map) +{ + map(0x0000, 0xbfff).rom(); + map(0xc000, 0xcfff).ram(); + map(0xd000, 0xd3ff).ram().share(m_spriteram); + map(0xd400, 0xd4ff).ram().share(m_bgram); // For background stars + // TODO: verify if A11 is unconnected + map(0xd500, 0xdfff).ram(); + map(0xe000, 0xe000).portr("INPUTS"); + map(0xe001, 0xe001).portr("DSW0"); + map(0xe002, 0xe002).portr("DSW1"); + map(0xe008, 0xe008).w(FUNC(skyfox_state::bg_ctrl_w)); + map(0xe009, 0xe009).w("soundlatch", FUNC(generic_latch_8_device::write)); +// map(0xe00a, 0xe00e) // POST only? + map(0xe00f, 0xe00f).nopw(); // DMA trigger + map(0xf001, 0xf001).portr("DSW2"); +} + + +/*************************************************************************** + + Sound CPU + +***************************************************************************/ + +void skyfox_state::sound_map(address_map &map) +{ + map(0x0000, 0x7fff).rom(); + map(0x8000, 0x87ff).ram(); +// map(0x9000, 0x9001).nopw(); // ?? + map(0xa000, 0xa001).rw("ym1", FUNC(ym2203_device::read), FUNC(ym2203_device::write)); +// map(0xb000, 0xb001).nopw(); // ?? + map(0xc000, 0xc001).rw("ym2", FUNC(ym2203_device::read), FUNC(ym2203_device::write)); + map(0xb000, 0xb000).r("soundlatch", FUNC(generic_latch_8_device::read)); +} + + +/*************************************************************************** + + Input Ports + +***************************************************************************/ + +INPUT_CHANGED_MEMBER(skyfox_state::coin_inserted) +{ + m_maincpu->set_input_line(INPUT_LINE_NMI, newval ? CLEAR_LINE : ASSERT_LINE); +} + +static INPUT_PORTS_START( skyfox ) + PORT_START("INPUTS") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 ) + + PORT_START("DSW0") + PORT_DIPNAME( 0x01, 0x01, "Unknown 1-0" ) // rest unused? + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, "Unknown 1-1" ) + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x04, "Unknown 1-2" ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x18, 0x08, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW1:4,5") + PORT_DIPSETTING( 0x00, "20K" ) + PORT_DIPSETTING( 0x08, "30K" ) + PORT_DIPSETTING( 0x10, "40K" ) + PORT_DIPSETTING( 0x18, "50K" ) + PORT_DIPNAME( 0x20, 0x00, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW1:6") + PORT_DIPSETTING( 0x20, DEF_STR( Medium ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Hard ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Flip_Screen ) ) PORT_DIPLOCATION("SW1:7") + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x00, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW1:8") + PORT_DIPSETTING( 0x00, DEF_STR( Upright ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Cocktail ) ) + + PORT_START("DSW1") // Coins, DSW + Vblank + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_READ_LINE_DEVICE_MEMBER("screen", FUNC(screen_device::vblank)) + PORT_DIPNAME( 0x0e, 0x00, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW2:1,2,3") + PORT_DIPSETTING( 0x0e, DEF_STR( 5C_1C ) ) + PORT_DIPSETTING( 0x0a, DEF_STR( 4C_1C ) ) + PORT_DIPSETTING( 0x06, DEF_STR( 3C_1C ) ) + PORT_DIPSETTING( 0x02, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x04, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x08, DEF_STR( 1C_3C ) ) + PORT_DIPSETTING( 0x0c, DEF_STR( 1C_4C ) ) + // According to manual, there is also "SW2:4" which has to be always OFF + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_START("DSW2") // DSW + PORT_DIPNAME( 0x07, 0x02, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW1:1,2,3") + PORT_DIPSETTING( 0x00, "1" ) + PORT_DIPSETTING( 0x01, "2" ) + PORT_DIPSETTING( 0x02, "3" ) + PORT_DIPSETTING( 0x03, "4" ) + PORT_DIPSETTING( 0x04, "5" ) + PORT_DIPSETTING( 0x05, "5" ) // dupe + PORT_DIPSETTING( 0x06, "5" ) // dupe + PORT_DIPSETTING( 0x07, "Infinite (Cheat)") + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_START("COINS") // Fake input port, coins are directly connected on NMI line + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_CHANGED_MEMBER(DEVICE_SELF, FUNC(skyfox_state::coin_inserted), 0) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_CHANGED_MEMBER(DEVICE_SELF, FUNC(skyfox_state::coin_inserted), 0) +INPUT_PORTS_END + + + + +/*************************************************************************** + + Graphics Layouts + +***************************************************************************/ + +/* 8x8x8 tiles (note that the tiles in the ROMs are 32x32x8, but + we cut them in 8x8x8 ones in the init function, in order to + support 8x8, 16x16 and 32x32 sprites. */ + +static GFXDECODE_START( gfx_skyfox ) + GFXDECODE_ENTRY( "sprites", 0, gfx_8x8x8_raw, 0, 1 ) +GFXDECODE_END + + +/*************************************************************************** + + Machine Drivers + +***************************************************************************/ + +void skyfox_state::machine_start() +{ + save_item(NAME(m_bg_ctrl)); +} + +void skyfox_state::machine_reset() +{ + m_bg_ctrl = 0; +} + +void skyfox_state::skyfox(machine_config &config) +{ + // basic machine hardware + Z80(config, m_maincpu, XTAL(8'000'000) / 2); // Verified at 4MHz + m_maincpu->set_addrmap(AS_PROGRAM, &skyfox_state::main_map); + // IM0, never enables ei opcode + + Z80(config, m_audiocpu, XTAL(14'318'181) / 8); // Verified at 1.789772MHz + m_audiocpu->set_addrmap(AS_PROGRAM, &skyfox_state::sound_map); + + // video hardware + SCREEN(config, m_screen, SCREEN_TYPE_RASTER); + // TODO: legacy screen configuration with no vblank irq + m_screen->set_refresh_hz(62.65); + m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(2500)); // not accurate + m_screen->set_size(512, 256); + m_screen->set_visarea(0+0x60, 320-1+0x60, 0+16, 256-1-16); // from $30*2 to $CC*2+8 + m_screen->set_screen_update(FUNC(skyfox_state::screen_update)); + m_screen->set_palette(m_palette); + + GFXDECODE(config, m_gfxdecode, m_palette, gfx_skyfox); + PALETTE(config, m_palette, FUNC(skyfox_state::palette), 256); // 256 static colors + + // sound hardware + SPEAKER(config, "mono").front_center(); + + GENERIC_LATCH_8(config, "soundlatch"); + + YM2203(config, "ym1", XTAL(14'318'181) / 8).add_route(ALL_OUTPUTS, "mono", 0.80); // Verified at 1.789772MHz + + YM2203(config, "ym2", XTAL(14'318'181) / 8).add_route(ALL_OUTPUTS, "mono", 0.80); // Verified at 1.789772MHz +} + + + +/*************************************************************************** + + ROMs Loading + +**************************************************************************** + + Sky Fox + + +c042 : Lives +c044-5 : Score (BCD) +c048-9 : Power (BCD) + +**************************************************************************** + + Exerizer [Bootleg] + +malcor + +Location Type File ID Checksum +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +TB 5E 27C256 1-J F302 [ background ] +TB 5N 27C256 1-I F5E3 [ sound ] +LB 27C256 1-A A53E [ program 1 ] +LB 27C256 1-B 382C [ program 2 ] +LB 27C512 1-C CDAC [ GFX ] +LB 27C512 1-D 9C7A [ GFX ] +LB 27C512 1-E D808 [ GFX ] +LB 27C512 1-F F87E [ GFX ] +LB 27C512 1-G 9709 [ GFX ] +LB 27C512 1-H DFDA [ GFX ] +TB 82S129 1.BPR 0972 [ video blue ] +TB 82S129 2.BPR 0972 [ video red ] +TB 82S129 3.BPR 0972 [ video green ] + +Lower board ROM locations: + +---=======------=======---- +| CN2 CN1 | +| 1-A | +| | +| 1-B | +| | +| | +| 1 1 1 1 1 1| +| H G F E D C| +--------------------------- + +Notes - This archive is of a bootleg copy, + - Japanese program revision + - Although the colour PROMs have the same checksums, + they are not the same. + +Main processor - Z80 @ 4MHz (8MHz OSC / 2) +Sound processor - Z80 @ 1.789772MHz (14.31818MHz OSC / 8) + - YM2203C x2 @ 1.789772MHzMHz (14.31818MHz OSC / 8) + +Vsync: 62.65hz + + CPU board: Jaleco made in japan ER-8736 +Video Board: Jaleco made in japan ER-8737 + +***************************************************************************/ + + +ROM_START( skyfox ) + ROM_REGION( 0x10000, "maincpu", 0 ) // Z80 code + ROM_LOAD( "skyfox1.bin", 0x00000, 0x8000, CRC(b4d4bb6f) SHA1(ed1cf6d91ca7170cb7d1c80b586c11164430fd49) ) + ROM_LOAD( "skyfox2.bin", 0x08000, 0x8000, CRC(e15e0263) SHA1(005934327834aed46b17161aef82117ee508e9c4) ) // identical halves + + ROM_REGION( 0x10000, "audiocpu", 0 ) // Z80 code + ROM_LOAD( "skyfox9.bin", 0x00000, 0x8000, CRC(0b283bf5) SHA1(5b14d0beea689ee7e9174017e5a127435df4fbe3) ) + + ROM_REGION( 0x60000, "sprites", 0 ) + ROM_LOAD( "skyfox3.bin", 0x00000, 0x10000, CRC(3a17a929) SHA1(973fb36af416161e04a83d7869819d9b13df18cd) ) + ROM_LOAD( "skyfox4.bin", 0x10000, 0x10000, CRC(358053bb) SHA1(589e3270eda0d44e73fbc7ac06e782f332920b39) ) + ROM_LOAD( "skyfox5.bin", 0x20000, 0x10000, CRC(c1215a6e) SHA1(5ca30be8a68ac6a00907cc9e47ede0acec980f46) ) + ROM_LOAD( "skyfox6.bin", 0x30000, 0x10000, CRC(cc37e15d) SHA1(80806df6185f7b8c2d3ab98420ca514df3e63c8d) ) + ROM_LOAD( "skyfox7.bin", 0x40000, 0x10000, CRC(fa2ab5b4) SHA1(c0878b25dae28f7d49e14376ff885d1d4e3d5dfe) ) + ROM_LOAD( "skyfox8.bin", 0x50000, 0x10000, CRC(0e3edc49) SHA1(3d1c59ecaabe1c9517203b7e814db41d5cff0cd4) ) + + ROM_REGION( 0x08000, "tiles", 0 ) + ROM_LOAD( "skyfox10.bin", 0x0000, 0x8000, CRC(19f58f9c) SHA1(6887216243b47152129448cbb4c7d52309feed03) ) + + ROM_REGION( 0x300, "proms", 0 ) // colors + ROM_LOAD( "sfoxrprm.bin", 0x000, 0x100, CRC(79913c7f) SHA1(e64e6a3eb55f37984cb2597c8ffba6bc3bad49c7) ) // R + ROM_LOAD( "sfoxgprm.bin", 0x100, 0x100, CRC(fb73d434) SHA1(4a9bd61fbdce9441753c5921f95ead5c4655957e) ) // G + ROM_LOAD( "sfoxbprm.bin", 0x200, 0x100, CRC(60d2ab41) SHA1(e58a54f2aaee5c07136d5437e513d61fb18fbd9f) ) // B +ROM_END + +ROM_START( exerizer ) + ROM_REGION( 0x10000, "maincpu", 0 ) // Z80 code + ROM_LOAD( "1.2v", 0x00000, 0x8000, CRC(5df72a5d) SHA1(ca35ac06f3702fd650a584da2f442fbc61c00fce) ) + ROM_LOAD( "2.3v", 0x08000, 0x8000, CRC(e15e0263) SHA1(005934327834aed46b17161aef82117ee508e9c4) ) // 1-b + + ROM_REGION( 0x10000, "audiocpu", 0 ) // Z80 code + ROM_LOAD( "9.5n", 0x00000, 0x8000, CRC(0b283bf5) SHA1(5b14d0beea689ee7e9174017e5a127435df4fbe3) ) // 1-i + + ROM_REGION( 0x60000, "sprites", 0 ) + ROM_LOAD( "3-1.7w", 0x00000, 0x10000, CRC(3a17a929) SHA1(973fb36af416161e04a83d7869819d9b13df18cd) ) + ROM_LOAD( "4.7u", 0x10000, 0x10000, CRC(358053bb) SHA1(589e3270eda0d44e73fbc7ac06e782f332920b39) ) // 1-d + ROM_LOAD( "5-1.7t", 0x20000, 0x10000, CRC(c1215a6e) SHA1(5ca30be8a68ac6a00907cc9e47ede0acec980f46) ) + ROM_LOAD( "6.7s", 0x30000, 0x10000, CRC(cc37e15d) SHA1(80806df6185f7b8c2d3ab98420ca514df3e63c8d) ) // 1-f + ROM_LOAD( "7.7p", 0x40000, 0x10000, CRC(c9bbfe5c) SHA1(ce3f7d32baa8bb0bfc110877b5b5f4648ee959ac) ) + ROM_LOAD( "8.7n", 0x50000, 0x10000, CRC(0e3edc49) SHA1(3d1c59ecaabe1c9517203b7e814db41d5cff0cd4) ) // 1-h + + ROM_REGION( 0x08000, "tiles", 0 ) + ROM_LOAD( "10.5e", 0x0000, 0x8000, CRC(19f58f9c) SHA1(6887216243b47152129448cbb4c7d52309feed03) ) // 1-j + + ROM_REGION( 0x300, "proms", 0 ) // colors + ROM_LOAD( "r.1c", 0x000, 0x100, CRC(79913c7f) SHA1(e64e6a3eb55f37984cb2597c8ffba6bc3bad49c7) ) // 2-bpr + ROM_LOAD( "g.1b", 0x100, 0x100, CRC(fb73d434) SHA1(4a9bd61fbdce9441753c5921f95ead5c4655957e) ) // 3-bpr + ROM_LOAD( "b.1d", 0x200, 0x100, CRC(60d2ab41) SHA1(e58a54f2aaee5c07136d5437e513d61fb18fbd9f) ) // 1-bpr +ROM_END + +ROM_START( exerizerb ) + ROM_REGION( 0x10000, "maincpu", 0 ) // Z80 code + ROM_LOAD( "1-a", 0x00000, 0x8000, CRC(5df72a5d) SHA1(ca35ac06f3702fd650a584da2f442fbc61c00fce) ) + ROM_LOAD( "skyfox2.bin", 0x08000, 0x8000, CRC(e15e0263) SHA1(005934327834aed46b17161aef82117ee508e9c4) ) // 1-b + + ROM_REGION( 0x10000, "audiocpu", 0 ) // Z80 code + ROM_LOAD( "skyfox9.bin", 0x00000, 0x8000, CRC(0b283bf5) SHA1(5b14d0beea689ee7e9174017e5a127435df4fbe3) ) // 1-i + + ROM_REGION( 0x60000, "sprites", 0 ) + ROM_LOAD( "1-c", 0x00000, 0x10000, CRC(450e9381) SHA1(f99b2ca73f1e4ba91b8066bb6d28d33b66a3ee81) ) + ROM_LOAD( "skyfox4.bin", 0x10000, 0x10000, CRC(358053bb) SHA1(589e3270eda0d44e73fbc7ac06e782f332920b39) ) // 1-d + ROM_LOAD( "1-e", 0x20000, 0x10000, CRC(50a38c60) SHA1(a4b8d530914d6c85b15940a7821b4365068de668) ) + ROM_LOAD( "skyfox6.bin", 0x30000, 0x10000, CRC(cc37e15d) SHA1(80806df6185f7b8c2d3ab98420ca514df3e63c8d) ) // 1-f + ROM_LOAD( "1-g", 0x40000, 0x10000, CRC(c9bbfe5c) SHA1(ce3f7d32baa8bb0bfc110877b5b5f4648ee959ac) ) + ROM_LOAD( "skyfox8.bin", 0x50000, 0x10000, CRC(0e3edc49) SHA1(3d1c59ecaabe1c9517203b7e814db41d5cff0cd4) ) // 1-h + + ROM_REGION( 0x08000, "tiles", 0 ) + ROM_LOAD( "skyfox10.bin", 0x0000, 0x8000, CRC(19f58f9c) SHA1(6887216243b47152129448cbb4c7d52309feed03) ) // 1-j + + ROM_REGION( 0x300, "proms", 0 ) // colors + ROM_LOAD( "sfoxrprm.bin", 0x000, 0x100, CRC(79913c7f) SHA1(e64e6a3eb55f37984cb2597c8ffba6bc3bad49c7) ) // 2-bpr + ROM_LOAD( "sfoxgprm.bin", 0x100, 0x100, CRC(fb73d434) SHA1(4a9bd61fbdce9441753c5921f95ead5c4655957e) ) // 3-bpr + ROM_LOAD( "sfoxbprm.bin", 0x200, 0x100, CRC(60d2ab41) SHA1(e58a54f2aaee5c07136d5437e513d61fb18fbd9f) ) // 1-bpr +ROM_END + + +// Untangle the graphics: cut each 32x32x8 tile in 16 8x8x8 tiles +void skyfox_state::init_skyfox() +{ + uint8_t *rom = memregion("sprites")->base(); + uint8_t *end = rom + memregion("sprites")->bytes(); + uint8_t buf[32 * 32]; + + while (rom < end) + { + for (int i = 0; i < (32 * 32); i++) + buf[i] = rom[(i % 8) + ((i / 8) % 8) * 32 + ((i / 64) % 4) * 8 + (i / 256) * 256]; + + memcpy(rom, buf, 32 * 32); + rom += 32 * 32; + } +} + +} // anonymous namespace + + +GAME( 1987, skyfox, 0, skyfox, skyfox, skyfox_state, init_skyfox, ROT90, "Jaleco (Nichibutsu USA license)", "Sky Fox", MACHINE_SUPPORTS_SAVE ) +GAME( 1987, exerizer, skyfox, skyfox, skyfox, skyfox_state, init_skyfox, ROT90, "Jaleco", "Exerizer (Japan)", MACHINE_SUPPORTS_SAVE ) +GAME( 1987, exerizerb, skyfox, skyfox, skyfox, skyfox_state, init_skyfox, ROT90, "bootleg", "Exerizer (bootleg)", MACHINE_SUPPORTS_SAVE ) |