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mf_bdash: MAME ROM Information.


Boulder Dash (c) 1984 Exidy / First Star Software.

Rockford digs feverishly, as boulders crash down all around him, through 16 mystical caves and five levels of difficulty.


Max-A-Flex hardware

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


1. Boulder Dash (1984)

2. Boulder Dash 2 – Rockford's Revenge (1986)

3. Super Boulder Dash (1986)

4. Boulder Dash III (1986)

5. Boulder Dash Construction Kit (1987)

6. Rockford (1988)

7. Boulder Dash EX (2002, Nintendo Gameboy Advance)

8. Boulder Dash - M.E.

9. Boulder Dash - M.E. 2

10. Boulder Dash XL (2011, Xbox Live Arcade)


By : Peter Liepa

With : Chris Gray


* Consoles :

Atari 2600

Atari XEGS

Colecovision (1984)

Nintendo Famicom (1990)

Nintendo Game Boy (1990)

* Computers :

PC [MS-DOS] (1984)

FM-7 (Nov.1984)

Acorn Electron

ZX Spectrum (1984)

Commodore C64 (1984)

Amstrad CPC (1984)

Atari 400/800 (1984)

Apple II E (1984)

Epoch Cassette Vision (1984)

BBC Micro (1988)


Game's rom.

Machine's picture.

MAME Info:

0.88u4 [Mariusz Wojcieszek]


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

- 0.108u5: Aaron Giles added new output utilities: output_set_led_value(), output_set_digit_value() and output_set_lamp_value(), which are used to set a generic indexed data type. Changed the Max-A-Flex driver to use output_set_digit_value() for their digits. This fixed the digits in Boulder Dash (Max-A-Flex).

- 0.88u4: Mariusz Wojcieszek added Boulder Dash (Max-A-Flex) (Exidy / First Star Software 1984).

- 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.

LEVELS: 80 (5 x 16 - endless)

Recommended Games (Maze Digging):


Robby Roto

Dig Dug

Namco Classic Collection Vol.2 (Dig Dug)

Tenkomori Shooting (Dig Dug)

Dig Dug II

Zig Zag

Digger (CVS)

Gold Bug

Mr. Do!

Neo Mr. Do!

The Pit


Boulder Dash

Boulder Dash (DECO Cassette)

Boulder Dash (Max-A-Flex)


Calorie Kun vs Moguranian

Diamond Run

Dangerous Dungeons


Super Toffy

Mr Driller

Mr Driller 2

Mr. Driller G

Mr. Dig

Digger Man (prototype)

Romset: 16 kb / 2 files / 9.04 zip

MAME XML Output:

       <game name="mf_bdash" sourcefile="maxaflex.c" romof="maxaflex">
              <description>Boulder Dash (Max-A-Flex)</description>
              <manufacturer>Exidy / First Star Software</manufacturer>
              <rom name="bd-acs-1.rom" size="8192" crc="2b11750e" sha1="43e9ae44eb1767621920bb94a4370ed602d81056" region="maincpu" offset="8000"/>
              <rom name="bd-acs-2.rom" size="8192" crc="e9ea2658" sha1="189ede7201ef122cf2b72fc847a896b9dbe007e5" region="maincpu" offset="a000"/>
              <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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