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mf_achas: MAME ROM Information.


Astro Chase (c) 1982 Exidy / First Star Software.

A space-themed shoot'em up.


Main CPU : M6502 (@ 1.78979 Mhz), M68705 (@ 3.579545 Mhz)

Sound Chips : POKEY (@ 1.78979 Mhz), Speaker

Screen orientation : Horizontal

Video resolution : 336 x 225 pixels

Screen refresh : 59.92 Hz

Palette colors : 256

Players : 4

Control : 8-way joystick

Buttons : 2


This game makes a significant appearance in the 1984 movie 'The Brother from Another Planet'.


Game's rom.

Machine's picture.

MAME Info:

0.88u4 [Mariusz Wojcieszek]


- The sky differs between a 32bit and 64bit build. Firewave (ID 03334)


- 0.123u1: Atari Ace fixed fatal error in Astro Chase (Max-A-Flex).

- 0.88u4: Mariusz Wojcieszek added Astro Chase (Max-A-Flex) (Exidy / First Star Software 1982).

- 8th November 2004: Mariusz Wojcieszek - Wrote a driver for the Max-A-Flex system (Atari 600XL). Four titles have appeared on this platform officially only.

Recommended Games (Sinistar):



Astro Chase (Max-A-Flex)



Time Pilot '84

Vanguard II


Last Mission

Ark Area

Romset: 16 kb / 1 files / 9.53 zip

MAME XML Output:

       <game name="mf_achas" sourcefile="maxaflex.c" romof="maxaflex">
              <description>Astro Chase (Max-A-Flex)</description>
              <manufacturer>Exidy / First Star Software</manufacturer>
              <rom name="ac.rom" size="16384" crc="18752991" sha1="f508b89d2251c53d017cff6cb23b8e9880a0cc0b" region="maincpu" offset="8000"/>
              <rom name="atarixl.rom" merge="atarixl.rom" size="16384" crc="1f9cd270" sha1="ae4f523ba08b6fd59f3cae515a2b2410bbd98f55" region="maincpu" offset="c000"/>
              <rom name="maxaflex.uc" merge="maxaflex.uc" size="2048" crc="fe9cf53c" sha1="4b02bc2f0c8a1eab799814fac82d5812c0160206" region="mcu" offset="0"/>
              <rom name="maxprom.prm" merge="maxprom.prm" size="512" crc="edf5c950" sha1="9ad046ea41a61585dd8d2f2d4167a3cc39d2928f" region="proms" offset="0"/>
              <chip type="cpu" tag="maincpu" name="M6502" clock="1789790"/>
              <chip type="cpu" tag="mcu" name="M68705" clock="3579545"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="pokey" name="POKEYN" clock="1789790"/>
              <chip type="audio" tag="speaker" name="Speaker"/>
              <display tag="screen" type="raster" rotate="0" width="336" height="225" refresh="59.923329" />
              <sound channels="1"/>
              <input players="4" buttons="2" coins="1">
                     <control type="joy" ways="8"/>
                     <control type="keypad"/>
              <dipswitch name="Coin/Time" tag="dsw" mask="15">
                     <dipvalue name="30 sec" value="0"/>
                     <dipvalue name="60 sec" value="1"/>
                     <dipvalue name="90 sec" value="2"/>
                     <dipvalue name="120 sec" value="3"/>
                     <dipvalue name="150 sec" value="4"/>
                     <dipvalue name="180 sec" value="5"/>
                     <dipvalue name="210 sec" value="6"/>
                     <dipvalue name="240 sec" value="7"/>
                     <dipvalue name="270 sec" value="8"/>
                     <dipvalue name="300 sec" value="9" default="yes"/>
                     <dipvalue name="330 sec" value="10"/>
                     <dipvalue name="360 sec" value="11"/>
                     <dipvalue name="390 sec" value="12"/>
                     <dipvalue name="420 sec" value="13"/>
                     <dipvalue name="450 sec" value="14"/>
                     <dipvalue name="480 sec" value="15"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="unsupported" palettesize="256"/>

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