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lnc: MAME ROM Information.


Lock'n'Chase (c) 04/1981 Data East.

The game is a maze game. Like "Pac-Man", you're trying to eat up dots while four cops (with the names Spiffy, Smarty, Scaredy and Silly) try to stop you. While you don't have energizers to eat the cops with, you CAN block them off with walls (or better yet, try to trap them in the corners). When you're finished eating dots, there are two exits for you to escape from the cops.


Main CPU : M6502 (@ 1.5 Mhz)

Sound CPU : M6502 (@ 500 Khz)

Sound Chips : (2x) AY8910 (@ 1.5 Mhz)

Screen orientation : Vertical

Video resolution : 240 x 240 pixels

Screen refresh : 57.00 Hz

Palette Colors : 8

Players : 2

Control : 4-way joystick

Buttons : 1


Jerry Nickerson holds the official record for this game with 78,180 points.


Dot : 20 points

Hat : 200 points

Crown : 300 points

Suitcase : 500 points

Telephone : 100 points

Watch : 800 points

Camera : 1,000 points

Sunglasses: 2,000 points

Flashlight : 400 points

Key : 3,000 points

Heart : 5,000 points

Money bags : 500, 1,000, 2,000, 4,000 points

Trap 1 Cop : 100 points

Trap 2 Cops : 300 points

Trap 3 Cops : 1,000 points

Trap 4 Cops : 2,000 points


* Consoles :

Mattel Intellivision (1982)

Atari 2600 (1982)

Nintendo Game Boy

Sony PSP (2010)


Game's rom.

Machine's picture.

MAME Info:

0.33b1 [Zsolt Vasvari]

Artwork available


- 0.129: Removed audio reset hack in Lock'n'Chase.

- 0.126u3: Changed name of dipswitch 'Cabinet' to 'Control Panel'.

- 0.126u2: Fabio Priuli added DIP locations to Lock'n'Chase.

- 8th April 2007: Mr. Do - Jcroach finished up the vector on Lock'n'Chase.

- 16th August 2001: Zsolt Vasvari fixed AY8910's behaviour with Lock'n'Chase.

- 0.34b8: Added proms ($0, 20 - palette and RAS/CAS logic).

- 0.33b1: Zsolt Vasvari added Lock'n'Chase (Data East 1981).

- 3rd April 1998: Dumped Lock'n'Chase (DECO).

LEVELS: 11 (endless)

Recommended Games (Maze):

Amazing Maze

Crush Roller

The Hand

Lady Bug


Lock'n'Chase (DECO Cassette)

Maze Invaders

Mouse Trap




Ali Baba and 40 Thieves

Blue Print

Check Man




Hard Hat



Tylz (prototype)




Lover Boy

Marvin's Maze


New Sinbad 7

Rootin' Tootin'

Sindbad Mystery

Swinging Singles


The Berenstain Bears in Big Paw's Cave

Jack Rabbit


The Three Stooges In Brides Is Brides

Vs. Clu Clu Land

I'm Sorry

Merlins Money Maze

Opa Opa

Klad / Labyrinth



Touche Me

Sel Feena

Tinkle Pit

Twin Brats


Romset: 45 kb / 13 files / 17.9 zip

MAME XML Output:

       <game name="lnc" sourcefile="btime.c">
              <manufacturer>Data East Corporation</manufacturer>
              <rom name="s3-3d" size="4096" crc="1ab4f2c2" sha1="c5890b768172cd2e3912b84db5f71546969ad7e2" region="maincpu" offset="c000"/>
              <rom name="s2-3c" size="4096" crc="5e46b789" sha1="00b2510e07eb565cb373db798dd537191b0b7cc8" region="maincpu" offset="d000"/>
              <rom name="s1-3b" size="4096" crc="1308a32e" sha1="da64fe7b76f5ac8ac35460e6c789ab1e986c78ef" region="maincpu" offset="e000"/>
              <rom name="s0-3a" size="4096" crc="beb4b1fc" sha1="166a96b5757946231f3619844366218065412935" region="maincpu" offset="f000"/>
              <rom name="sa-1h" size="4096" crc="379387ec" sha1="29d37f04c64ed53a2573962dfa9c0623b89e0045" region="audiocpu" offset="e000"/>
              <rom name="s4-11l" size="4096" crc="a2162a9e" sha1="2729cef805c8e863af540424faa1aca82d3525e2" region="gfx1" offset="0"/>
              <rom name="s5-11m" size="4096" crc="12f1c2db" sha1="004e25a53ffa197e1238dfa53c530f128cf40516" region="gfx1" offset="1000"/>
              <rom name="s6-13l" size="4096" crc="d21e2a57" sha1="0462cd3a5be87da97ed1bd8b79f8822cd5a33cf1" region="gfx1" offset="2000"/>
              <rom name="s7-13m" size="4096" crc="c4f247cd" sha1="2c86bf479169981daf0378eb0b3e1a600937aaf2" region="gfx1" offset="3000"/>
              <rom name="s8-15l" size="4096" crc="672a92d0" sha1="1bc89f6a76873504aa0fcfa0c6a43e8546edde27" region="gfx1" offset="4000"/>
              <rom name="s9-15m" size="4096" crc="87c8ee9a" sha1="158019b18bc3e5104bebeb241c077a706bf72ff2" region="gfx1" offset="5000"/>
              <rom name="sc-5m" size="32" crc="2a976ebe" sha1="f3c1b0d98f431f9cd0d5fa009fafa1115aabe6e5" region="proms" offset="0"/>
              <rom name="sb-4c" size="32" crc="a29b4204" sha1="7f15cae5c4aaa29638fb45029782dafd2b3d1484" region="proms" offset="20"/>
              <chip type="cpu" tag="maincpu" name="M6502" clock="1500000"/>
              <chip type="cpu" tag="audiocpu" name="M6502" clock="500000"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="ay1" name="AY-3-8910A" clock="1500000"/>
              <chip type="audio" tag="ay2" name="AY-3-8910A" clock="1500000"/>
              <chip type="audio" tag="discrete" name="DISCRETE"/>
              <display tag="screen" type="raster" rotate="270" width="240" height="240" refresh="57.444853" pixclock="6000000" htotal="384" hbend="8" hbstart="248" vtotal="272" vbend="8" vbstart="248" />
              <sound channels="1"/>
              <input players="2" buttons="1" coins="2">
                     <control type="joy" ways="4"/>
              <dipswitch name="Coin A" tag="DSW1" mask="3">
                     <dipvalue name="2 Coins/1 Credit" value="0"/>
                     <dipvalue name="1 Coin/1 Credit" value="3" default="yes"/>
                     <dipvalue name="1 Coin/2 Credits" value="2"/>
                     <dipvalue name="1 Coin/3 Credits" value="1"/>
              <dipswitch name="Coin B" tag="DSW1" mask="12">
                     <dipvalue name="2 Coins/1 Credit" value="0"/>
                     <dipvalue name="1 Coin/1 Credit" value="12" default="yes"/>
                     <dipvalue name="1 Coin/2 Credits" value="8"/>
                     <dipvalue name="1 Coin/3 Credits" value="4"/>
              <dipswitch name="Test Mode" tag="DSW1" mask="48">
                     <dipvalue name="Off" value="48" default="yes"/>
                     <dipvalue name="RAM Test Only" value="0"/>
                     <dipvalue name="Watchdog Test Only" value="32"/>
                     <dipvalue name="All Tests" value="16"/>
              <dipswitch name="Control Panel" tag="DSW1" mask="64">
                     <dipvalue name="Upright" value="0" default="yes"/>
                     <dipvalue name="Cocktail" value="64"/>
              <dipswitch name="Lives" tag="DSW2" mask="1">
                     <dipvalue name="3" value="1" default="yes"/>
                     <dipvalue name="5" value="0"/>
              <dipswitch name="Bonus Life" tag="DSW2" mask="6">
                     <dipvalue name="15000" value="6" default="yes"/>
                     <dipvalue name="20000" value="4"/>
                     <dipvalue name="30000" value="2"/>
                     <dipvalue name="None" value="0"/>
              <dipswitch name="Game Speed" tag="DSW2" mask="8">
                     <dipvalue name="Slow" value="8" default="yes"/>
                     <dipvalue name="Hard" value="0"/>
              <dipswitch name="Unused" tag="DSW2" mask="16">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="16"/>
              <dipswitch name="Unused" tag="DSW2" mask="32">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="32"/>
              <dipswitch name="Unused" tag="DSW2" mask="64">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="64"/>
              <dipswitch name="Unused" tag="DSW2" mask="128">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="128"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="8"/>

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