diff options
Diffstat (limited to 'trunk/src/mame/drivers/egghunt.c')
-rw-r--r-- | trunk/src/mame/drivers/egghunt.c | 466 |
1 files changed, 466 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/egghunt.c b/trunk/src/mame/drivers/egghunt.c new file mode 100644 index 00000000000..813475c3560 --- /dev/null +++ b/trunk/src/mame/drivers/egghunt.c @@ -0,0 +1,466 @@ +/* + +Egg Hunt + +hardware seems close to mitchell.c +-- +palette format is different +has a sound cpu +ports shuffled around a bit + + + +the following string is at the start of the roms + +INVI IMAGE COPYWRITE 1995 OCT SEOUL IN KOREA +TEL 02-569-5830 +PROGRMED BY JANG-K.Y +GRAPHIC DESIGN KIM-Y.H & LEE-H.M + +(and in the sound program) +SOUND DIRECTOR LEE-S.O + +the screen says VH-K October 1995, are VH-K another company involved? + +--------------------- + +Egghunt by Invi Image + +PCB marked "Invi Image Co. 1995 IZ80B-1" +The pcb has poor quality and resemble a bootleg. + +2x Z80 +1x AD65 (oki 6295 probably) +1x OSc 12mhz +1x OSC 30mhz +1x FPGA +2x Dipswitch + +Note: rom 3 has the 16th pin overlapped and soldered to 15th....it seems it's a manufacturer choice since pin 16 on the socket is not connected with any trace on the pcb +I dumped it with this configuration. In case I'll redump it desoldering pin 16 from 15 + +*/ + +#include "emu.h" +#include "cpu/z80/z80.h" +#include "sound/okim6295.h" + +class egghunt_state : public driver_device +{ +public: + egghunt_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) , + m_atram(*this, "atram"){ } + + /* video-related */ + tilemap_t *m_bg_tilemap; + UINT8 m_vidram_bank; + + /* misc */ + UINT8 m_okibanking; + UINT8 m_gfx_banking; + + /* devices */ + device_t *m_audiocpu; + + /* memory */ + required_shared_ptr<UINT8> m_atram; + UINT8 m_bgram[0x1000]; + UINT8 m_spram[0x1000]; + DECLARE_READ8_MEMBER(egghunt_bgram_r); + DECLARE_WRITE8_MEMBER(egghunt_bgram_w); + DECLARE_WRITE8_MEMBER(egghunt_atram_w); + DECLARE_WRITE8_MEMBER(egghunt_gfx_banking_w); + DECLARE_WRITE8_MEMBER(egghunt_vidram_bank_w); + DECLARE_WRITE8_MEMBER(egghunt_soundlatch_w); +}; + + +static void draw_sprites( running_machine &machine, bitmap_ind16 &bitmap,const rectangle &cliprect ) +{ + egghunt_state *state = machine.driver_data<egghunt_state>(); + int flipscreen = 0; + int offs, sx, sy; + + for (offs = 0x1000 - 0x40; offs >= 0; offs -= 0x20) + { + int code = state->m_spram[offs]; + int attr = state->m_spram[offs + 1]; + int color = attr & 0x0f; + sx = state->m_spram[offs + 3] + ((attr & 0x10) << 4); + sy = ((state->m_spram[offs + 2] + 8) & 0xff) - 8; + code += (attr & 0xe0) << 3; + + if (attr & 0xe0) + { + switch(state->m_gfx_banking & 0x30) + { + // case 0x00: + // case 0x10: code += 0; break; + case 0x20: code += 0x400; break; + case 0x30: code += 0x800; break; + } + } + + if (flipscreen) + { + sx = 496 - sx; + sy = 240 - sy; + } + drawgfx_transpen(bitmap,cliprect,machine.gfx[1], + code, + color, + flipscreen,flipscreen, + sx,sy,15); + } +} + +static TILE_GET_INFO( get_bg_tile_info ) +{ + egghunt_state *state = machine.driver_data<egghunt_state>(); + int code = ((state->m_bgram[tile_index * 2 + 1] << 8) | state->m_bgram[tile_index * 2]) & 0x3fff; + int colour = state->m_atram[tile_index] & 0x3f; + + if(code & 0x2000) + { + if((state->m_gfx_banking & 3) == 2) + code += 0x2000; + else if((state->m_gfx_banking & 3) == 3) + code += 0x4000; +// else if((state->m_gfx_banking & 3) == 1) +// code += 0; + } + + SET_TILE_INFO(0, code, colour, 0); +} + +READ8_MEMBER(egghunt_state::egghunt_bgram_r) +{ + if (m_vidram_bank) + { + return m_spram[offset]; + } + else + { + return m_bgram[offset]; + } +} + +WRITE8_MEMBER(egghunt_state::egghunt_bgram_w) +{ + if (m_vidram_bank) + { + m_spram[offset] = data; + } + else + { + m_bgram[offset] = data; + m_bg_tilemap->mark_tile_dirty(offset / 2); + } +} + +WRITE8_MEMBER(egghunt_state::egghunt_atram_w) +{ + m_atram[offset] = data; + m_bg_tilemap->mark_tile_dirty(offset); +} + + +static VIDEO_START(egghunt) +{ + egghunt_state *state = machine.driver_data<egghunt_state>(); + + state->m_bg_tilemap = tilemap_create(machine, get_bg_tile_info, tilemap_scan_rows, 8, 8, 64, 32); + + state->save_item(NAME(state->m_bgram)); + state->save_item(NAME(state->m_spram)); +} + +static SCREEN_UPDATE_IND16(egghunt) +{ + egghunt_state *state = screen.machine().driver_data<egghunt_state>(); + state->m_bg_tilemap->draw(bitmap, cliprect, 0, 0); + draw_sprites(screen.machine(), bitmap, cliprect); + return 0; +} + +WRITE8_MEMBER(egghunt_state::egghunt_gfx_banking_w) +{ + // data & 0x03 is used for tile banking + // data & 0x30 is used for sprites banking + m_gfx_banking = data & 0x33; + + m_bg_tilemap->mark_all_dirty(); +} + +WRITE8_MEMBER(egghunt_state::egghunt_vidram_bank_w) +{ + m_vidram_bank = data & 1; +} + +WRITE8_MEMBER(egghunt_state::egghunt_soundlatch_w) +{ + soundlatch_byte_w(space, 0, data); + device_set_input_line(m_audiocpu, 0, HOLD_LINE); +} + +static READ8_DEVICE_HANDLER( egghunt_okibanking_r ) +{ + egghunt_state *state = device->machine().driver_data<egghunt_state>(); + return state->m_okibanking; +} + +static WRITE8_DEVICE_HANDLER( egghunt_okibanking_w ) +{ + egghunt_state *state = device->machine().driver_data<egghunt_state>(); + state->m_okibanking = data; + okim6295_device *oki = downcast<okim6295_device *>(device); + oki->set_bank_base((data & 0x10) ? 0x40000 : 0); +} + +static ADDRESS_MAP_START( egghunt_map, AS_PROGRAM, 8, egghunt_state ) + AM_RANGE(0x0000, 0x7fff) AM_ROM + AM_RANGE(0xc000, 0xc7ff) AM_RAM_WRITE(paletteram_xRRRRRGGGGGBBBBB_byte_le_w) AM_SHARE("paletteram") + AM_RANGE(0xc800, 0xcfff) AM_RAM_WRITE(egghunt_atram_w) AM_SHARE("atram") + AM_RANGE(0xd000, 0xdfff) AM_READWRITE(egghunt_bgram_r, egghunt_bgram_w) + AM_RANGE(0xe000, 0xffff) AM_RAM +ADDRESS_MAP_END + + +static ADDRESS_MAP_START( io_map, AS_IO, 8, egghunt_state ) + ADDRESS_MAP_GLOBAL_MASK(0xff) + AM_RANGE(0x00, 0x00) AM_READ_PORT("DSW1") AM_WRITE(egghunt_vidram_bank_w) + AM_RANGE(0x01, 0x01) AM_READ_PORT("SYSTEM") AM_WRITE(egghunt_gfx_banking_w) + AM_RANGE(0x02, 0x02) AM_READ_PORT("P1") + AM_RANGE(0x03, 0x03) AM_READ_PORT("P2") AM_WRITE(egghunt_soundlatch_w) + AM_RANGE(0x04, 0x04) AM_READ_PORT("DSW2") + AM_RANGE(0x06, 0x06) AM_READ_PORT("UNK") AM_WRITENOP + AM_RANGE(0x07, 0x07) AM_WRITENOP +ADDRESS_MAP_END + +static ADDRESS_MAP_START( sound_map, AS_PROGRAM, 8, egghunt_state ) + AM_RANGE(0x0000, 0x7fff) AM_ROM + AM_RANGE(0xe000, 0xe000) AM_READ(soundlatch_byte_r) + AM_RANGE(0xe001, 0xe001) AM_DEVREADWRITE_LEGACY("oki", egghunt_okibanking_r, egghunt_okibanking_w) + AM_RANGE(0xe004, 0xe004) AM_DEVREADWRITE("oki", okim6295_device, read, write) + AM_RANGE(0xf000, 0xffff) AM_RAM +ADDRESS_MAP_END + + +static INPUT_PORTS_START( egghunt ) + PORT_START("DSW1") + PORT_DIPNAME( 0x01, 0x01, "Debug Mode" ) // Run all the animations + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x60, 0x60, "Credits per Player" ) + PORT_DIPSETTING( 0x60, "1" ) +// PORT_DIPSETTING( 0x20, "2" ) /* One of these maybe 2 to start 1 to continue */ + PORT_DIPSETTING( 0x40, "2" ) + PORT_DIPSETTING( 0x00, "3" ) + PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + + PORT_START("SYSTEM") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 ) + 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_COIN1 ) + + PORT_START("P1") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY + + PORT_START("P2") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) + + PORT_START("DSW2") + PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x00, "Censor Pictures" ) + PORT_DIPSETTING( 0x00, DEF_STR( No ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Yes ) ) + + PORT_START("UNK") + PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) +INPUT_PORTS_END + + + +static const gfx_layout tiles8x8_layout = +{ + 8,8, + RGN_FRAC(1,4), + 4, + { RGN_FRAC(2,4),RGN_FRAC(3,4),RGN_FRAC(0,4),RGN_FRAC(1,4) }, + { 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 tiles16x16_layout = +{ + 16,16, + RGN_FRAC(1,4), + 4, + { RGN_FRAC(2,4),RGN_FRAC(3,4),RGN_FRAC(0,4),RGN_FRAC(1,4) }, + { 4, 5, 6, 7,0, 1, 2, 3, 16*8+4,16*8+5,16*8+6,16*8+7,16*8+0,16*8+1,16*8+2,16*8+3 }, + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,8*8,9*8,10*8,11*8,12*8,13*8,14*8,15*8 }, + 16*16 +}; + +static GFXDECODE_START( egghunt ) + GFXDECODE_ENTRY( "gfx1", 0, tiles8x8_layout, 0, 64 ) + GFXDECODE_ENTRY( "gfx2", 0, tiles16x16_layout, 0, 64 ) +GFXDECODE_END + + +static MACHINE_START( egghunt ) +{ + egghunt_state *state = machine.driver_data<egghunt_state>(); + + state->m_audiocpu = machine.device("audiocpu"); + + state->save_item(NAME(state->m_gfx_banking)); + state->save_item(NAME(state->m_okibanking)); + state->save_item(NAME(state->m_vidram_bank)); +} + +static MACHINE_RESET( egghunt ) +{ + egghunt_state *state = machine.driver_data<egghunt_state>(); + state->m_gfx_banking = 0; + state->m_okibanking = 0; + state->m_vidram_bank = 0; +} + +static MACHINE_CONFIG_START( egghunt, egghunt_state ) + + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", Z80,12000000/2) /* 6 MHz ?*/ + MCFG_CPU_PROGRAM_MAP(egghunt_map) + MCFG_CPU_IO_MAP(io_map) + MCFG_CPU_VBLANK_INT("screen", irq0_line_hold) // or 2 like mitchell.c? + + MCFG_CPU_ADD("audiocpu", Z80,12000000/2) /* 6 MHz ?*/ + MCFG_CPU_PROGRAM_MAP(sound_map) + + MCFG_MACHINE_START(egghunt) + MCFG_MACHINE_RESET(egghunt) + + /* video hardware */ + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_REFRESH_RATE(60) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) + MCFG_SCREEN_SIZE(64*8, 32*8) + MCFG_SCREEN_VISIBLE_AREA(8*8, 56*8-1, 1*8, 31*8-1) + MCFG_SCREEN_UPDATE_STATIC(egghunt) + + MCFG_GFXDECODE(egghunt) + MCFG_PALETTE_LENGTH(0x400) + + MCFG_VIDEO_START(egghunt) + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + + MCFG_OKIM6295_ADD("oki", 1056000, OKIM6295_PIN7_HIGH) // clock frequency & pin 7 not verified + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) +MACHINE_CONFIG_END + +ROM_START( egghunt ) + ROM_REGION( 0x20000, "maincpu", 0 ) + ROM_LOAD( "prg.bin", 0x00000, 0x20000, CRC(eb647145) SHA1(792951b76b5fac01e72ae34a2fe2108e373c5b62) ) + + ROM_REGION( 0x10000, "audiocpu", 0 ) + ROM_LOAD( "rom2.bin", 0x00000, 0x10000, CRC(88a71bc3) SHA1(cf5acccfda9fda0d55af91a415a54391d0d0b7a2) ) + + ROM_REGION( 0x100000, "gfx1", ROMREGION_INVERT ) + ROM_LOAD( "rom3.bin", 0x00000, 0x40000, CRC(9d51ac49) SHA1(b0785d746fb2872a04386016ffdee80e6174dfc0) ) + ROM_LOAD( "rom4.bin", 0x40000, 0x40000, CRC(41c63041) SHA1(24e9a21d448c144db2356329cf87dc99598c96dc) ) + ROM_LOAD( "rom5.bin", 0x80000, 0x40000, CRC(6f96cb97) SHA1(7dde7d2aec6b5f9929b98d06c07bb07bf7bd59dd) ) + ROM_LOAD( "rom6.bin", 0xc0000, 0x40000, CRC(b5a41d4b) SHA1(1b4cf9c944e3eb7dc2d26d8a73bf5efb7b53253a) ) + + ROM_REGION( 0x80000, "gfx2", ROMREGION_INVERT ) + ROM_LOAD( "rom7.bin", 0x00000, 0x20000, CRC(1b43fb57) SHA1(f06e186bf514f2ad655df23636eab72e6fafd815) ) + ROM_LOAD( "rom8.bin", 0x20000, 0x20000, CRC(f8122d0d) SHA1(78551c689b9e4eeed5e1ae97d8c7a907a388a9ff) ) + ROM_LOAD( "rom9.bin", 0x40000, 0x20000, CRC(dbfa0ffe) SHA1(2aa759c0bd3945473a6d8fa48226ce6c6c94d740) ) + ROM_LOAD( "rom10.bin",0x60000, 0x20000, CRC(14f5fc74) SHA1(769bccf9c1b42c35c3aee3866ed015de7c83b710) ) + + ROM_REGION( 0x80000, "oki", 0 ) + ROM_LOAD( "rom1.bin", 0x00000, 0x80000, CRC(f03589bc) SHA1(4d9c8422ac3c4c3ecba3bcf0ed47b8c7d5903f8c) ) +ROM_END + +GAME( 1995, egghunt, 0, egghunt, egghunt, 0, ROT0, "Invi Image", "Egg Hunt", GAME_SUPPORTS_SAVE ) |