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Big Twin

  1. Game infos
  2. Parent and Clones
  3. Sound
  4. Driver
  5. Inputs
  6. Controls
  7. Display
  8. Dipswitchs
  9. Roms list
  10. Chips list
  11. Categories
  12. MAMEinfo
  13. History
  14. High scores
Download bigtwin.zip (2.76 MB)
Snapshot

Game infos

Description Big Twin
Name bigtwin
Manufacturer Playmark
Year 1995
Runnable yes
System arcade /
Number of players 2P sim
Added to MAME .037b07
Romset size 2.76 MB
Romset file 12 files
Romset zip 757 B
Language English
Evaluation 50 to 60 (Not Good Enough)
Mature This game is for adults only
Genre Puzzle

Parent and clones

Parent This game is the parent

Sound infos

Sound_channels 1

Driver infos

Driver status good
Driver emulation good
Driver color good
Driver sound good
Driver graphic good
Driver cocktail
Driver protection
Driver savestate yes

Inputs infos

Input service no
Input tilt no
Input players 2
Input buttons
Input coins 2

Controls infos

type ways minimum maximum sensitivity keydelta reverse
joy 8 no

Display infos

type rotate flipx width height refresh pixclock htotal hbend hbstart vtotal vbend vbstart
raster 0 no 320 240 58

Dipswitchs

Roms list

console name bios size crc md5 merge sha1 region offset status optional
arcade 1.013 262144 ff6671dc 517941946a3edfc2da0b7aa8a106ebb4ae849beb oki 0 good no
arcade 10.323 131072 2a03432e 44722b83093211d88460cbcd9e9c0b638d24ad3e gfx2 40000 good no
arcade 11.324 131072 2c980c4c 77af29a1f5d4302650915f4a7daf2918a2519a6e gfx2 60000 good no
arcade 2.302 524288 e6767f60 ec0ba1c786e6fde04601c2f3f619e3c6545f9239 maincpu 0 good no
arcade 3.301 524288 5aba6990 4f664a91819fdd27821fa607425701d83fcbd8ce maincpu 1 good no
arcade 4.311 262144 6f628fbc 51cdee457aef79fef5d89d30a173afdf13fbb2ef gfx1 0 good no
arcade 5.312 262144 6a9b1752 7c78157cd6b3d631704d2aca1a5756c69c87d581 gfx1 40000 good no
arcade 6.313 262144 411cf852 1b66cec672b6ec6974d9e82afc6ec58b78c92ee4 gfx1 80000 good no
arcade 7.314 262144 635c81fd 64c787a37fcd1ba7c747ec25ff5b949aad3914ec gfx1 c0000 good no
arcade 8.321 131072 2749644d f506ed1a14ee411eda8a7e639f5572e35b89b13f gfx2 0 good no
arcade 9.322 131072 1d1897af 0ad00906b94443d7ceef383717b39c6aa8cca241 gfx2 20000 good no
arcade pic16c57-hs_bigtwin_015.hex 11596 c07e9375 7a6714ab888ea6e37bc037bc7419f0998868cfce user1 0 good no

Chips list

name tag type clock
M68000 maincpu cpu 12000000
OKI6295 oki audio 1000000
PIC16C57 audiocpu cpu 12000000
Speaker mono audio

Categories

MAMEinfo

0.37b7 [Nicola Salmoria]


Bugs:

- Main set screen is shifted 1 line to left, parent set is ok. haynor (ID 05336)


WIP:

- 0.154: Added 'Rising Ground Level' dipswitch.

- 0.141u4: Andrew Welburn and Pierpaolo Prazzoli added clone Big Twin (No Girls Conversion).

- 0.133u5: Quench added 'Difficulty' dipswitch to Big Twin.

- 0.122u6: Changed PIC16C57 CPU2 clock speed to 12MHz.

- 0.112u3: Speedfreak and Brian Troha fixed DIPs in Big Twin. Added dipswitch 'Demo Sounds'.

- 0.101u5: Added 'Coin A/B Mode 2' dipswitches.

- 0.96u2: Changed PIC16C57 CPU2 clock speed to 3MHz and VSync to 58Hz.

- 0.94u2: Nicola Salmoria found bitmap enable bit, fixes girl pictures sticking in Big Twin. Pierpaolo Prazzoli changed bitmap to be drawn after the fg_tilemap and added 'Allow Continue' dipswtich.

- 0.69b: Quench got sound working in Big Twin with the use of the PIC HEX dump. Added PIC16C57 (1MHz) CPU2. Changed MSM6295 clock speed to 7575 Hz.

- 31st May 2003: Quench sent in various fixes to the PIC16C5x core and added sound to Big Twin.

- 0.62: Added PIC16C57 hexdump to be converted to region user1. Fixed rom names.

- 0.37b7: Nicola Salmoria added 'Big Twin' (Playmark 1995). TODO: Sound is controlled by a pic16c57 whose ROM is missing. The pixel bitmap might be larger than what I handle, or the vertical scroll register has an additional meaning. The usual scroll value is 0x7f0, the game is setting it to 0x5f0 while updating the bitmap, so this should either scroll the changing region out of view, or disable it. During gameplay, the image that scrolls down might have to be different since the scroll register is in the range 0x600-0x6ff. As it is handled now, it is certainly wrong because after game over the bitmap is left on screen.

- 28th August 2000: Nicola Salmoria sent in a driver for Big Twin, without sound support though.


LEVELS: 40 (endless)


Other Emulators:

* FB Alpha

History


Arcade Video game published 24 years ago:

Big Twin (c) 1995 Playmark.

Big Twin is a simple arcade puzzle game in which different coloured spheres continually drop down into the playfield and must be removed as quickly as possible. This is achieved by aligning three or more of the same colour, either vertically, horizontally or diagonally.

Once a sphere has completed its drop into the playfield - and providing it's not blocked in by another sphere - it can be highlighted and dragged to another position.

As with several other Playmark games, Big Twin is of an adult nature and as the player removes the spheres, a picture of a naked woman is gradually revealed. The game ends if the stacked spheres reach the top of the playfield.

- TECHNICAL -

Main CPU : Motorola 68000 (@ 12 Mhz), PIC16C57 (@ 3 Mhz)
Sound Chips : OKI6295 (@ 7.575 Khz)

Screen orientation : Horizontal
Video resolution : 320 x 240 pixels
Screen refresh : 58.00 Hz
Palette colors : 1024

Players : 2
Control : 8-way joystick
Buttons : 1

- STAFF -

Developed by Game Over.

- CONTRIBUTE -

Edit this entry: https://www.arcade-history.com/?&page=detail&id=245&o=2

High scores

MAMESCORE records : 02/04/2017 13:01



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