Home News Forum                            

Play your favorite classic games and more with the GameEx front end. Read more.

lasso: MAME ROM Information.


Lasso (c) 1982 SNK.


Game ID : 'WM'

Main CPU : (2x) M6502 (@ 2 Mhz)

Sound CPU : M6502 (@ 600 Khz)

Sound Chips : (2x) SN76496 (@ 2 Mhz)

Players : 2

Control : 4-way joystick

Buttons : 2


Released in August 1982.


Game's rom.

MAME Info:

0.36RC2 [Phil Stroffolino]


- Fire button auto-repeats on high score entry screen (real behavior?). Source (ID 02428)


- 0.122u5: Zsolt Vasvari cleaned up the lasso driver, this fixed game timer speed and victory music, when you beat a level. Changed M6502 CPU1/3 clock speeds to 705562 Hz. Fixed cpu1/3 rom addresses ($a000, 8000).

- 0.116u2: Justin Kerk and Lord Nightmare updated Lasso to correctly use the SN76489 instead of the SN76496, which was a later design.

- 0.61: Fixed cpu2/3 rom loading and visible area to 224x256. Added dipswitches 'Coin B', 'Warm-Up Instructions', 'Warm-Up', 'Warm-Up Language' and 'Invulnerability'.

- 0.56: Changed visible area to 223x256.

- 0.37b2: Phil Stroffolino added sound and fixed colors in Lasso. Changed the M6502 CPU1/2 clock speeds to 2MHz and the M6502 CPU3 to 600000 Hz. Replaced AY-8910 sound with 2x SN76496 (2MHz) and changed palettesize from 64 colors.

- 5th May 2000: Nicola Salmoria fixed the Lasso vertical throw bug.

- 4th May 2000: Nicola Salmoria added sound to Lasso. Phil Stroffolino fixed Lasso color palette and added cocktail support.

- 0.36RC2: Phil Stroffolino added Lasso (SNK 1982). TODO: Lasso can't be slung up/down (left/right works fine). Sound isn't hooked up. Imperfect color. Background color, lasso color arbitrary. Priority of lasso bitmap plane relative to background/sprites unknown. Possible timing problems. Input port issues: see fire buttons on high score entry screen.

- 6th March 2000: Phil Stroffolino sent in a driver for Lasso, and make some tilemap bugfixes.


- Face in direction of ANIMALS.

- Don't move cowboy.

- Press 'LASSO' button for length of rope and release to form LOOP.

LEVELS: 3 (endless)

Recommended Games (Western):

Gun Fight

Boot Hill

Dead Eye


Indian Battle


Pioneer Balloon

Wild Western

The Tin Star

Bank Panic



Wild Gunman (PlayChoice-10)


Express Raider

Iron Horse

Ninja Kazan



Blood Bros.

Sunset Riders

Sunset Riders (bootleg of Megadrive version)

Heated Barrel

Wild West C.O.W.-Boys of Moo Mesa

Lethal Enforcers II: Gun Fighters

Charlie Ninja


Rapid Fire (Western)

Recommended Games (Animals):


Zoo Keeper

Noah's Ark



Snake Pit

Video Vince and the Game Factory

Jambo! Safari

Animal Catch

Romset: 49 kb / 10 files / 19.4 zip

MAME XML Output:

       <game name="lasso" sourcefile="lasso.c">
              <rom name="wm3" size="8192" crc="f93addd6" sha1="b0a1b263874da8608c3bab4e8785358e2aa19c2e" region="maincpu" offset="8000"/>
              <rom name="wm4" size="8192" crc="77719859" sha1="d206b6af9a567f70d69624866ae9973652527065" region="maincpu" offset="a000"/>
              <rom name="wmc" size="4096" crc="8b4eb242" sha1="55ada50036abbaa10799f37e35254e6ff70ee947" region="audiocpu" offset="5000"/>
              <rom name="wmb" size="4096" crc="4658bcb9" sha1="ecc83ef99edbe5f69a884a142478ff0f56edba12" region="audiocpu" offset="6000"/>
              <rom name="wma" size="4096" crc="2e7de3e9" sha1="665a89b9914ca16b9c08b751e142cf7320aaf793" region="audiocpu" offset="7000"/>
              <rom name="wm5" size="4096" crc="7dc3ff07" sha1="46aaa9186940d06fd679a573330e9ad3796aa647" region="blitter" offset="8000"/>
              <rom name="wm1" size="8192" crc="7db77256" sha1="d12305bdfb6923c32982982a5544ae9bd8dbc2cb" region="gfx1" offset="0"/>
              <rom name="wm2" size="8192" crc="9e7d0b6f" sha1="c82be332209bf7331718e51926004fe9aa6f5ebd" region="gfx1" offset="2000"/>
              <rom name="82s123.69" size="32" crc="1eabb04d" sha1="3dc5b407bc1b1dea77337b4e913f1e945386d5c9" region="proms" offset="0"/>
              <rom name="82s123.70" size="32" crc="09060f8c" sha1="8f14b00bcfb7ab89d2e443cc82f7a65dc96ee819" region="proms" offset="20"/>
              <chip type="cpu" tag="maincpu" name="M6502" clock="705562"/>
              <chip type="cpu" tag="audiocpu" name="M6502" clock="600000"/>
              <chip type="cpu" tag="blitter" name="M6502" clock="705562"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="sn76489.1" name="SN76489" clock="2000000"/>
              <chip type="audio" tag="sn76489.2" name="SN76489" clock="2000000"/>
              <display tag="screen" type="raster" rotate="90" width="256" height="224" refresh="57.000000" />
              <sound channels="1"/>
              <input players="2" buttons="2" coins="2">
                     <control type="joy" ways="4"/>
              <dipswitch name="Cabinet" tag="1806" mask="1">
                     <dipvalue name="Upright" value="1" default="yes"/>
                     <dipvalue name="Cocktail" value="0"/>
              <dipswitch name="Coin A" tag="1806" mask="14">
                     <dipvalue name="2 Coins/1 Credit" value="2"/>
                     <dipvalue name="1 Coin/1 Credit" value="0" default="yes"/>
                     <dipvalue name="1 Coin/2 Credits" value="8"/>
                     <dipvalue name="1 Coin/3 Credits" value="4"/>
                     <dipvalue name="1 Coin/6 Credits" value="12"/>
              <dipswitch name="Lives" tag="1806" mask="48">
                     <dipvalue name="3" value="0" default="yes"/>
                     <dipvalue name="4" value="16"/>
                     <dipvalue name="5" value="32"/>
              <dipswitch name="Coin B" tag="1806" mask="64">
                     <dipvalue name="2 Coins/1 Credit" value="64"/>
                     <dipvalue name="1 Coin/1 Credit" value="0" default="yes"/>
              <dipswitch name="Warm-Up Instructions" tag="1806" mask="128">
                     <dipvalue name="No" value="0"/>
                     <dipvalue name="Yes" value="128" default="yes"/>
              <dipswitch name="Warm-Up" tag="1807" mask="1">
                     <dipvalue name="No" value="1"/>
                     <dipvalue name="Yes" value="0" default="yes"/>
              <dipswitch name="Warm-Up Language" tag="1807" mask="2">
                     <dipvalue name="English" value="0" default="yes"/>
                     <dipvalue name="German" value="2"/>
              <dipswitch name="Unused" tag="1807" mask="4">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="4"/>
              <dipswitch name="Invulnerability (Cheat)" tag="1807" mask="8">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="8"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="64"/>

emumovies.com      Retro bytes Portal           Bookmark and Share

Developed by: Spesoft  Headsoft     Terms of use     Privacy    Advertise