diff options
Diffstat (limited to 'src/mame/drivers/metlfrzr.cpp')
-rw-r--r-- | src/mame/drivers/metlfrzr.cpp | 471 |
1 files changed, 0 insertions, 471 deletions
diff --git a/src/mame/drivers/metlfrzr.cpp b/src/mame/drivers/metlfrzr.cpp deleted file mode 100644 index 65fcaf95eac..00000000000 --- a/src/mame/drivers/metlfrzr.cpp +++ /dev/null @@ -1,471 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Angelo Salese -// thanks-to: David Haywood, Peter Wilhelmsen -/************************************************************************************************************************* - - Metal Freezer (c) 1989 Seibu - - driver by Angelo Salese, based off initial work by David Haywood - thanks to Peter Wilhelmsen for the decryption - - HW seems the natural evolution of Dark Mist type. - - TODO: - - A few video register bits still needs sorting out (needs HW tests perhaps?) - - Nuke legacy video code and re-do it by using tilemap system. - - sprites are ahead of 1/2 frames, needs sprite DMA fixed; - - Writes at 0xb800-0xbfff or 0x8000-0x9fff during gameplays? (Check by allowing ROM write) - - Flip screen support; - - Why service mode returns all inputs as high? And why sound test doesn't seem to function at all, both BTANBs perhaps? - -**************************************************************************************************************************/ - -#include "emu.h" -#include "audio/t5182.h" - -#include "cpu/z80/z80.h" -#include "machine/timer.h" -#include "emupal.h" -#include "screen.h" -#include "speaker.h" - - -class metlfrzr_state : public driver_device -{ -public: - metlfrzr_state(const machine_config &mconfig, device_type type, const char *tag) : - driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_decrypted_opcodes(*this, "decrypted_opcodes"), - m_work_ram(*this, "wram"), - m_vram(*this, "vram"), - m_video_regs(*this, "vregs"), - m_palette(*this, "palette"), - m_gfxdecode(*this, "gfxdecode") - { } - - void metlfrzr(machine_config &config); - - void init_metlfrzr(); - -private: - virtual void machine_start() override; - virtual void machine_reset() override; - virtual void video_start() override; - void legacy_bg_draw(bitmap_ind16 &bitmap, const rectangle &cliprect); - void legacy_obj_draw(bitmap_ind16 &bitmap, const rectangle &cliprect); - - uint32_t screen_update_metlfrzr(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - required_device<cpu_device> m_maincpu; - required_shared_ptr<uint8_t> m_decrypted_opcodes; - required_shared_ptr<uint8_t> m_work_ram; - required_shared_ptr<uint8_t> m_vram; - required_shared_ptr<uint8_t> m_video_regs; - required_device<palette_device> m_palette; - required_device<gfxdecode_device> m_gfxdecode; - - DECLARE_WRITE8_MEMBER(output_w); - TIMER_DEVICE_CALLBACK_MEMBER(scanline); - uint8_t m_fg_tilebank; - bool m_rowscroll_enable; - void decrypted_opcodes_map(address_map &map); - void metlfrzr_map(address_map &map); -}; - - -void metlfrzr_state::video_start() -{ -} - -/* - - video regs format: - [0x06] ---- --x- used during title screen transition, unknown purpose - [0x06] ---- ---x X scrolling 8th bit - [0x15] always 0? - [0x16] always 0? - [0x17] xxxx xxxx X scrolling base value - Notice that it's currently unknown how the game is really supposed to NOT enable scrolling during gameplay. - */ -void metlfrzr_state::legacy_bg_draw(bitmap_ind16 &bitmap,const rectangle &cliprect) -{ - gfx_element *gfx = m_gfxdecode->gfx(m_fg_tilebank); - const uint16_t vram_mask = m_vram.mask() >> 1; - int count; - int x_scroll_base; - int x_scroll_shift; - uint16_t x_scroll_value; - x_scroll_value = m_video_regs[0x17] + ((m_video_regs[0x06] & 1) << 8); - x_scroll_base = (x_scroll_value >> 3) * 32; - - for (count=0;count<32*33;count++) - { - int tile_base = count; - int y = (count % 32); - if(y > 7 || m_rowscroll_enable == false) - { - tile_base+= x_scroll_base; - x_scroll_shift = (x_scroll_value & 7); - } - else - x_scroll_shift = 0; - tile_base &= vram_mask; - int x = (count / 32); - - - uint16_t tile = m_vram[tile_base*2+0] + ((m_vram[tile_base*2+1] & 0xf0) << 4); - uint8_t color = m_vram[tile_base*2+1] & 0xf; - - gfx->transpen(bitmap,cliprect,tile,color,0,0,x*8-x_scroll_shift,y*8,0xf); - } - -} - -/* - sprite DMA: - 0xfe00-0xffff contains buffer for data to be copied. - Sprites are currently lagging (noticeable during scrolling) therefore there must be either an automatic or manual trigger. - Sprite seems to traverse from top to bottom priority-wise, other than that format is almost 1:1 with darkmist.cpp. - sprite format: - [0] tttt tttt tile number - [1] x--- ---- X 8th bit - [1] -ttt ---- tile bank - [1] ---- cccc palette number - [2] yyyy yyyy Y offset - [3] xxxx xxxx X offset -*/ -void metlfrzr_state::legacy_obj_draw(bitmap_ind16 &bitmap,const rectangle &cliprect) -{ - gfx_element *gfx_2 = m_gfxdecode->gfx(2); - gfx_element *gfx_3 = m_gfxdecode->gfx(3); - int count; - uint8_t *base_spriteram = m_work_ram + 0xe00; - - for(count=0x200-4;count>-1;count-=4) - { - gfx_element *cur_gfx = base_spriteram[count+1] & 0x40 ? gfx_3 : gfx_2; - uint8_t tile_bank = (base_spriteram[count+1] & 0x30) >> 4; - uint16_t tile = base_spriteram[count] | (tile_bank << 8); - uint8_t color = base_spriteram[count+1] & 0xf; - int y = base_spriteram[count+2]; - int x = base_spriteram[count+3]; - if(base_spriteram[count+1] & 0x80) - x-=256; - - cur_gfx->transpen(bitmap,cliprect,tile,color,0,0,x,y,0xf); - } -} - -uint32_t metlfrzr_state::screen_update_metlfrzr(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - bitmap.fill(m_palette->black_pen(), cliprect); - - legacy_bg_draw(bitmap,cliprect); - legacy_obj_draw(bitmap,cliprect); - return 0; -} - -WRITE8_MEMBER(metlfrzr_state::output_w) -{ - // bit 7: flip screen - // bit 6-5: coin lockouts - // bit 4: tilemap ROM banking - // bit 3-2: z80 ROM banking - // bit 1: enabled during gameplay, rowscroll enable? - // bit 0: enabled , unknown purpose (lamp?) - // TODO: bits 1-0 might actually be sprite DMA enable mask/request - machine().bookkeeping().coin_lockout_w(1, BIT(data,6) ); - machine().bookkeeping().coin_lockout_w(0, BIT(data,5) ); - m_fg_tilebank = (data & 0x10) >> 4; - membank("bank1")->set_entry((data & 0xc) >> 2); - m_rowscroll_enable = bool(BIT(data,1)); - -// popmessage("%02x %02x",m_fg_tilebank,data & 3); -} - -void metlfrzr_state::metlfrzr_map(address_map &map) -{ - map(0x0000, 0x7fff).rom(); - map(0x8000, 0xbfff).bankr("bank1"); - map(0xc000, 0xcfff).ram().share("vram"); - map(0xd000, 0xd1ff).ram().w(m_palette, FUNC(palette_device::write_indirect)).share("palette"); - map(0xd200, 0xd3ff).ram().w(m_palette, FUNC(palette_device::write_indirect_ext)).share("palette_ext"); - - map(0xd400, 0xd47f).rw("t5182", FUNC(t5182_device::sharedram_r), FUNC(t5182_device::sharedram_w)); - - map(0xd600, 0xd600).portr("P1"); - map(0xd601, 0xd601).portr("P2"); - map(0xd602, 0xd602).portr("START"); - map(0xd603, 0xd603).portr("DSW1"); - map(0xd604, 0xd604).portr("DSW2"); - map(0xd600, 0xd61f).writeonly().share("vregs"); - - map(0xd700, 0xd700).w(FUNC(metlfrzr_state::output_w)); - map(0xd710, 0xd710).w("t5182", FUNC(t5182_device::sound_irq_w)); - map(0xd711, 0xd711).r("t5182", FUNC(t5182_device::sharedram_semaphore_snd_r)); - // following two do swapped access compared to darkmist - map(0xd712, 0xd712).w("t5182", FUNC(t5182_device::sharedram_semaphore_main_release_w)); - map(0xd713, 0xd713).w("t5182", FUNC(t5182_device::sharedram_semaphore_main_acquire_w)); - - map(0xd800, 0xdfff).ram(); - map(0xe000, 0xefff).ram(); - map(0xf000, 0xffff).ram().share("wram"); -} - -void metlfrzr_state::decrypted_opcodes_map(address_map &map) -{ - map(0x0000, 0x7fff).rom().share("decrypted_opcodes"); - map(0x8000, 0xbfff).bankr("bank1"); - map(0xf000, 0xffff).ram().share("wram"); // executes code at 0xf5d5 -} - - -static INPUT_PORTS_START( metlfrzr ) - PORT_START("P1") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) - PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNKNOWN ) - - PORT_START("P2") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL - PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNKNOWN ) - - PORT_START("START") - PORT_DIPNAME( 0x01, 0x01, "2-0" ) - PORT_DIPSETTING( 0x01, DEF_STR( No ) ) - PORT_DIPSETTING( 0x00, DEF_STR( Yes ) ) - PORT_DIPNAME( 0x02, 0x02, "2-1" ) - PORT_DIPSETTING( 0x02, DEF_STR( No ) ) - PORT_DIPSETTING( 0x00, DEF_STR( Yes ) ) - PORT_DIPNAME( 0x04, 0x04, "2-2" ) - PORT_DIPSETTING( 0x04, DEF_STR( No ) ) - PORT_DIPSETTING( 0x00, DEF_STR( Yes ) ) - PORT_DIPNAME( 0x08, 0x08, "2-3" ) - PORT_DIPSETTING( 0x08, DEF_STR( No ) ) - PORT_DIPSETTING( 0x00, DEF_STR( Yes ) ) - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START1 ) - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START2 ) - PORT_DIPNAME( 0x40, 0x40, "2-6" ) - PORT_DIPSETTING( 0x40, DEF_STR( No ) ) - PORT_DIPSETTING( 0x00, DEF_STR( Yes ) ) - PORT_DIPNAME( 0x80, 0x80, "2-7" ) - PORT_DIPSETTING( 0x80, DEF_STR( No ) ) - PORT_DIPSETTING( 0x00, DEF_STR( Yes ) ) - - PORT_START("DSW1") - PORT_DIPNAME( 0x01, 0x00, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW1:1") - PORT_DIPSETTING( 0x00, DEF_STR( Upright ) ) - PORT_DIPSETTING( 0x01, DEF_STR( Cocktail ) ) - PORT_SERVICE_DIPLOC( 0x02, IP_ACTIVE_LOW, "SW1:2" ) - PORT_DIPNAME( 0x04, 0x04, DEF_STR( Flip_Screen ) ) PORT_DIPLOCATION("SW1:3") - PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) - PORT_DIPSETTING( 0x00, DEF_STR( On ) ) - PORT_DIPNAME( 0x38, 0x38, DEF_STR( Coin_A ) ) PORT_DIPLOCATION("SW1:4,5,6") - PORT_DIPSETTING( 0x00, DEF_STR( 5C_1C ) ) - PORT_DIPSETTING( 0x20, DEF_STR( 4C_1C ) ) - PORT_DIPSETTING( 0x10, DEF_STR( 3C_1C ) ) - PORT_DIPSETTING( 0x30, DEF_STR( 2C_1C ) ) - PORT_DIPSETTING( 0x38, DEF_STR( 1C_1C ) ) - PORT_DIPSETTING( 0x18, DEF_STR( 1C_2C ) ) - PORT_DIPSETTING( 0x28, DEF_STR( 1C_3C ) ) - PORT_DIPSETTING( 0x08, DEF_STR( 1C_5C ) ) - PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Coin_B ) ) PORT_DIPLOCATION("SW1:7,8") - PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) ) - PORT_DIPSETTING( 0x00, DEF_STR( 2C_3C ) ) - PORT_DIPSETTING( 0xc0, DEF_STR( 1C_1C ) ) - PORT_DIPSETTING( 0x40, DEF_STR( 1C_2C ) ) - - PORT_START("DSW2") - PORT_DIPNAME( 0x03, 0x03, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW2:1,2") - PORT_DIPSETTING( 0x02, "A" ) - PORT_DIPSETTING( 0x03, "B" ) - PORT_DIPSETTING( 0x01, "C" ) - PORT_DIPSETTING( 0x00, "D" ) - // service mode returns these values divided by 10 (so 02/05/10 effectively means 20k, 50k, 100k) - // TODO: check if it extends - PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW2:3,4") - PORT_DIPSETTING( 0x08, "20k, 50k, 100k" ) - PORT_DIPSETTING( 0x0c, "30k, 80k, 150k" ) - PORT_DIPSETTING( 0x04, "50k, 100k, 200k" ) - PORT_DIPSETTING( 0x00, "100k, 200k, 400k" ) - PORT_DIPNAME( 0x30, 0x30, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW2:5,6") - PORT_DIPSETTING( 0x20, "1" ) - PORT_DIPSETTING( 0x10, "2" ) - PORT_DIPSETTING( 0x30, "3" ) - PORT_DIPSETTING( 0x00, "4" ) - // disabling following enables intro / how to play screens - PORT_DIPNAME( 0x40, 0x40, DEF_STR( Level_Select ) ) PORT_DIPLOCATION("SW2:7") - PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) - PORT_DIPSETTING( 0x00, DEF_STR( On ) ) - PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW2:8") - PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) - PORT_DIPSETTING( 0x00, DEF_STR( On ) ) -INPUT_PORTS_END - - - -void metlfrzr_state::machine_start() -{ - membank("bank1")->configure_entries(0, 4, memregion("maincpu")->base() + 0x10000, 0x4000); -} - -void metlfrzr_state::machine_reset() -{ - membank("bank1")->set_entry(0); - -} - - -static const gfx_layout tile_layout = -{ - 8,8, - RGN_FRAC(1,1), - 4, - { STEP4(0,4) }, - { STEP4_INV(16,1), STEP4_INV(0,1) }, - { STEP8(0,32) }, - 32*8 -}; - -static const gfx_layout sprite_layout = -{ - 16, 16, - RGN_FRAC(1, 1), - 4, - { STEP4(0,4) }, - { STEP4(0,1), STEP4(16,1), STEP4(64*8,1), STEP4(64*8+16,1) }, - { STEP16(0,32) }, - 128 * 8 -}; - - -static GFXDECODE_START(gfx_metlfrzr) - GFXDECODE_ENTRY("gfx1", 0, tile_layout, 0x100, 16) - GFXDECODE_ENTRY("gfx2", 0, tile_layout, 0x100, 16) - GFXDECODE_ENTRY("gfx3", 0, sprite_layout, 0, 16) - GFXDECODE_ENTRY("gfx4", 0, sprite_layout, 0, 16) -GFXDECODE_END - -TIMER_DEVICE_CALLBACK_MEMBER(metlfrzr_state::scanline) -{ - int scanline = param; - - if(scanline == 240) // vblank-out irq - m_maincpu->set_input_line_and_vector(0, HOLD_LINE,0xd7); /* Z80 - RST 10h */ - - // TODO: check this irq. - if(scanline == 0) // vblank-in irq - m_maincpu->set_input_line_and_vector(0, HOLD_LINE,0xcf); /* Z80 - RST 08h */ -} - -void metlfrzr_state::metlfrzr(machine_config &config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, XTAL(12'000'000) / 2); - m_maincpu->set_addrmap(AS_PROGRAM, &metlfrzr_state::metlfrzr_map); - m_maincpu->set_addrmap(AS_OPCODES, &metlfrzr_state::decrypted_opcodes_map); - TIMER(config, "scantimer").configure_scanline(FUNC(metlfrzr_state::scanline), "screen", 0, 1); - - T5182(config, "t5182", 0); - - PALETTE(config, m_palette).set_format(palette_device::xBGR_444, 0x200).set_indirect_entries(256 * 2); - - GFXDECODE(config, m_gfxdecode, m_palette, gfx_metlfrzr); - - /* video hardware */ - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); - screen.set_refresh_hz(60); - screen.set_vblank_time(ATTOSECONDS_IN_USEC(0)); - screen.set_size(256, 256); - screen.set_visarea(0, 256 - 1, 16, 256 - 16 - 1); - screen.set_screen_update(FUNC(metlfrzr_state::screen_update_metlfrzr)); - screen.set_palette(m_palette); - - /* sound hardware */ - SPEAKER(config, "mono").front_center(); - - ym2151_device &ymsnd(YM2151(config, "ymsnd", XTAL(14'318'181) / 4)); /* 3.579545 MHz */ - ymsnd.irq_handler().set("t5182", FUNC(t5182_device::ym2151_irq_handler)); - ymsnd.add_route(0, "mono", 1.0); - ymsnd.add_route(1, "mono", 1.0); -} - - - -ROM_START(metlfrzr) - ROM_REGION(0x20000, "maincpu", 0) - ROM_LOAD("1.15j", 0x00000, 0x08000, CRC(f59b5fa2) SHA1(6033967dad5e64f45afbcb1b45c8eb79e0787afb)) - ROM_LOAD("2.14j", 0x10000, 0x10000, CRC(21ecc248) SHA1(2fccf7db73890faf7c489bfc43c88ded54d5052d)) - - ROM_REGION(0x8000, "t5182_z80", 0) /* Toshiba T5182 external data ROM */ - ROM_LOAD("3.4h", 0x0000, 0x8000, CRC(36f88e54) SHA1(5cbea56c7e547c353ae2f9256caaceb20e5e8503)) - - ROM_REGION(0x20000, "gfx1", 0) - ROM_LOAD16_BYTE("10.5a", 0x00001, 0x10000, CRC(3313e74a) SHA1(8622dfb5c013173d5bb037254f4c23b1282404e1)) - ROM_LOAD16_BYTE("12.7a", 0x00000, 0x10000, CRC(6da5fda9) SHA1(9d7b0b26598f31da589fece3535a4d1405b03fc2)) - - ROM_REGION(0x20000, "gfx2", 0) - ROM_LOAD16_BYTE("11.6a", 0x00001, 0x10000, CRC(fa6490b8) SHA1(9a4c1e09b9e8fb256fec0a5ed120fece8a12e1c8)) - ROM_LOAD16_BYTE("13.9a", 0x00000, 0x10000, CRC(a4f689ec) SHA1(e58bfede3fabf4cfca76c20aafb3e9fb604777c9)) - - ROM_REGION(0x20000, "gfx3", 0) - ROM_LOAD16_BYTE("14.13a", 0x00001, 0x10000, CRC(a9cd5225) SHA1(f3d5e29ee08fb563fdc1af3c64128f2cd2feb987)) - ROM_LOAD16_BYTE("16.11a", 0x00000, 0x10000, CRC(92f2cb49) SHA1(498021d94b0fde216207076491702af2324a2dcc)) - - ROM_REGION(0x20000, "gfx4", 0) - ROM_LOAD16_BYTE("15.12a", 0x00001, 0x10000, CRC(ce5c4c8b) SHA1(2351d66ba51e80097ce53bfd448ac24901844cda)) - ROM_LOAD16_BYTE("17.10a", 0x00000, 0x10000, CRC(3fec33f7) SHA1(af086ba30fc4521a0114da2824f5baa04d225a89)) - - ROM_REGION(0x20000, "proms", 0) - ROM_LOAD("n8s129a.7f", 0x000, 0x100, CRC(c849d60b) SHA1(0022fb71b3d777cadac7005e6156725df9bcaf90)) - ROM_LOAD("n82s135n.9c", 0x000, 0x100, CRC(7bbd52db) SHA1(b9bab5fb515579d0270aea8b992a16eeb878f242)) - - ROM_REGION(0x20000, "plds", 0) - ROM_LOAD("pld3.14h.bin", 0x000, 0x149, CRC(8183f7f0) SHA1(3cec53838120064374ecf4ebee048409c6f34081)) - ROM_LOAD("pld8.4d.bin", 0x000, 0x149, CRC(f1e35034) SHA1(527faddbf2ac905fa59ebda8ea327e6e6a7c1fb6)) -ROM_END - - - -void metlfrzr_state::init_metlfrzr() -{ - // same as cshooter.cpp - uint8_t *rom = memregion("maincpu")->base(); - - for (int A = 0x0000;A < 0x8000;A++) - { - /* decode the opcodes */ - m_decrypted_opcodes[A] = rom[A]; - - if (BIT(A,5) && !BIT(A,3)) - m_decrypted_opcodes[A] ^= 0x40; - - if (BIT(A,10) && !BIT(A,9) && BIT(A,3)) - m_decrypted_opcodes[A] ^= 0x20; - - if ((BIT(A,10) ^ BIT(A,9)) && BIT(A,1)) - m_decrypted_opcodes[A] ^= 0x02; - - if (BIT(A,9) || !BIT(A,5) || BIT(A,3)) - m_decrypted_opcodes[A] = bitswap<8>(m_decrypted_opcodes[A],7,6,1,4,3,2,5,0); - - /* decode the data */ - if (BIT(A,5)) - rom[A] ^= 0x40; - - if (BIT(A,9) || !BIT(A,5)) - rom[A] = bitswap<8>(rom[A],7,6,1,4,3,2,5,0); - } -} - - - -GAME( 1989, metlfrzr, 0, metlfrzr, metlfrzr, metlfrzr_state, init_metlfrzr, ROT270, "Seibu Kaihatsu", "Metal Freezer (Japan)", MACHINE_NO_COCKTAIL ) |