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amspdwya: MAME ROM Information.


American Speedway (c) 1987 Enerdyne Technologies.

An overhead racing game.


Main CPU : (2x) Z80 (@ 3 Mhz)

Sound Chips : YM2151 (@ 3 Mhz)

Screen orientation : Horizontal

Video resolution : 256 x 224 pixels

Screen refresh : 60.00 Hz

Palette colors : 32

Players : 2

Control : dial

Buttons : 1


Released in July 1987.


Game's rom.

Machine's picture.

MAME Info:

0.37b10 [Luca Elia]

Artwork available


- 0.141u4: hap fixed audio quality regression in American Speedway and clone.

- 0.135u3: Fabio Priuli added driver data struct to American Speedway.

- 0.133u3: Tafoid fixed both cars steer with Player 1 controls in American Speedway.

- 0.129u1: MooglyGuy added savestate support to American Speedway and clone.

- 0.123u2: RansAckeR simplified some control definitions in the amspdwy.c driver.

- 0.118u2: Stephane Humbert updated the driver to fix the dipswitches for 'amspdwy' which are slightly different than the ones for 'amspdwya' which were correct. Fixed 'Time' dipswitch and added 5x 'Unused' dipswitches.

- 22nd April 2007: Mr. Do - One more from the BYOAC purchase and vectored by Jcroach: American Speedway bezel.

- 0.37b10: Luca Elia added American Speedway (set 1) (Enerdyne 1987) and clone (set 2).

- 9th November 2000: Luca Elia sent in a driver for American Speedway.

LEVELS: 4 (endless)

Recommended Games (Sprint):

Sprint 4

Sprint 8

Sprint 1

Pit & Run

Championship Sprint

Super Sprint

American Speedway

Redline Racer

Hot Rod

Bad Lands

Ironman Ivan Stewart's Super Off-Road

Ironman Ivan Stewart's Super Off-Road Track-Pak

Wheels Runner

Grudge Match

Rough Racer

Danny Sullivan's Indy Heat

Romset: 112 kb / 7 files / 26.2 zip

MAME XML Output:

       <game name="amspdwya" sourcefile="amspdwy.c" cloneof="amspdwy" romof="amspdwy">
              <description>American Speedway (set 2)</description>
              <manufacturer>Enerdyne Technologies Inc.</manufacturer>
              <rom name="game.u33" size="32768" crc="facab102" sha1="e232969eaaad8b89ac8e28ee0a7996107a7de9a2" region="maincpu" offset="0"/>
              <rom name="trks6092.u34" merge="trks6092.u34" size="32768" crc="74a4e7b7" sha1="b4f6e3faaf048351c6671205f52378a64b81bcb1" region="maincpu" offset="10000"/>
              <rom name="audi9463.u2" merge="audi9463.u2" size="32768" crc="61b0467e" sha1="74509e7712838dd760919893aeda9241d308d0c3" region="audiocpu" offset="0"/>
              <rom name="hilo9b3c.5a" merge="hilo9b3c.5a" size="4096" crc="f50f864c" sha1="5b2412c1558b30a04523fcdf1d5cf6fdae1ba88d" region="gfx1" offset="0"/>
              <rom name="hihie12a.4a" merge="hihie12a.4a" size="4096" crc="3d7497f3" sha1="34820ba42d9c9dab1d6fdda15795450ce08392c1" region="gfx1" offset="1000"/>
              <rom name="lolo1d51.1a" merge="lolo1d51.1a" size="4096" crc="58701c1c" sha1="67b476e697652a6b684bd76ae6c0078ed4b3e3a2" region="gfx1" offset="2000"/>
              <rom name="lohi4644.2a" merge="lohi4644.2a" size="4096" crc="a1d802b1" sha1="1249ce406b1aa518885a02ab063fa14906ccec2e" region="gfx1" offset="3000"/>
              <chip type="cpu" tag="maincpu" name="Z80" clock="3000000"/>
              <chip type="cpu" tag="audiocpu" name="Z80" clock="3000000"/>
              <chip type="audio" tag="lspeaker" name="Speaker"/>
              <chip type="audio" tag="rspeaker" name="Speaker"/>
              <chip type="audio" tag="ymsnd" name="YM2151" clock="3000000"/>
              <display tag="screen" type="raster" rotate="0" width="256" height="224" refresh="60.000000" />
              <sound channels="2"/>
              <input players="2" buttons="1" coins="2">
                     <control type="dial" minimum="0" maximum="65535" sensitivity="15" keydelta="20"/>
              <dipswitch name="Character Test" tag="DSW1" mask="1">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="1"/>
              <dipswitch name="Show Arrows" tag="DSW1" mask="2">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="2"/>
              <dipswitch name="Demo Sounds" tag="DSW1" mask="4">
                     <dipvalue name="Off" value="0"/>
                     <dipvalue name="On" value="4" default="yes"/>
              <dipswitch name="Service Mode" tag="DSW1" mask="8">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="8"/>
              <dipswitch name="Steering Test" tag="DSW1" mask="16">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="16"/>
              <dipswitch name="Unused" tag="DSW1" mask="32">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="32"/>
              <dipswitch name="Unused" tag="DSW1" mask="64">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="64"/>
              <dipswitch name="Unused" tag="DSW1" mask="128">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="128"/>
              <dipswitch name="Coinage" tag="DSW2" mask="3">
                     <dipvalue name="2 Coins/1 Credit" value="3"/>
                     <dipvalue name="1 Coin/1 Credit" value="0" default="yes"/>
                     <dipvalue name="1 Coin/2 Credits" value="1"/>
              <dipswitch name="Difficulty" tag="DSW2" mask="12">
                     <dipvalue name="Easy" value="0" default="yes"/>
                     <dipvalue name="Normal" value="4"/>
                     <dipvalue name="Hard" value="8"/>
                     <dipvalue name="Hardest" value="12"/>
              <dipswitch name="Time To Qualify" tag="DSW2" mask="16">
                     <dipvalue name="45 sec" value="16"/>
                     <dipvalue name="60 sec" value="0" default="yes"/>
              <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="32"/>

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