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altair: MAME ROM Information.


Altair (c) 1981 Cidelsa.

A "Space Invaders" style shoot'em up.


Main CPU : CDP1802 (@ 3.579 Mhz)

Sound Chips : CDP1869 (@ 3.579 Mhz)

Players : 1

Buttons : 2


All Cidelsa games were released in Spain only.


1. Altair (1981)

2. Altair II (198?)


Game's rom.

Machine's picture.

MAME Info:

0.109u2 [Curt Coder]

< Spain >


- 0.125u1: Curt Coder added memory address parameter to CDP1802 DMA callbacks and a macro for the CPU interface. Also added CDP1852 I/O buffer chip, and used it in Altair and Draco.

- 0.124u3: Curt Coder added machine parameter and macros for the CDP1802 callback functions. This seems to have fixed the player sprite flashing in Destroyer/Altair/Draco.

- 0.113: Curt Coder added preliminary sound to Altair. White noise is missing.

- 0.112u2: Changed CDP1869 CPU clock speed to 5626000 Hz and visible area to 294x294 - Game now playable.

- 0.109u3: Changed VSync to 50.089031 Hz.

- 0.109u2: Curt Coder added Altair (Cidelsa 1981).

LEVELS: 6 (endless)

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Astro Fighter

Super Astro Fighter (DECO Cassette)

Astro Wars

Cosmic Alien



Ozma Wars

Sky Love


Mad Alien

Magical Spot

Magical Spot II

Moon Cresta

Moon Quasar


Space Trek

Speak & Rescue


UniWar S



Defend the Terra Attack on the Red UFO

Terranean (DECO Cassette)


Romset: 12 kb / 6 files / 9.40 zip

MAME XML Output:

       <game name="altair" sourcefile="cidelsa.c">
              <rom name="alt a 1.ic7" size="2048" crc="37c26c4e" sha1="30df7efcf5bd12dafc1cb6e894fc18e7b76d3e61" region="cdp1802" offset="0"/>
              <rom name="alt b 1.ic8" size="2048" crc="76b814a4" sha1="e8ab1d1cbcef974d929ef8edd10008f60052a607" region="cdp1802" offset="800"/>
              <rom name="alt c 1.ic9" size="2048" crc="2569ce44" sha1="a09597d2f8f50fab9a09ed9a59c50a2bdcba47bb" region="cdp1802" offset="1000"/>
              <rom name="alt d 1.ic10" size="2048" crc="a25e6d11" sha1="c197ff91bb9bdd04e88908259e4cde11b990e31d" region="cdp1802" offset="1800"/>
              <rom name="alt e 1.ic11" size="2048" crc="e497f23b" sha1="6094e9873df7bd88c521ddc3fd63961024687243" region="cdp1802" offset="2000"/>
              <rom name="alt f 1.ic12" size="2048" crc="a06dd905" sha1="c24ad9ff6d4e3b4e57fd75f946e8832fa00c2ea0" region="cdp1802" offset="2800"/>
              <chip type="cpu" tag="cdp1802" name="COSMAC" clock="3579000"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="cdp1869" name="RCA CDP1869" clock="5626000"/>
              <display tag="screen" type="raster" rotate="90" width="294" height="294" refresh="50.089031" pixclock="5626000" htotal="360" hbend="30" hbstart="324" vtotal="312" vbend="10" vbstart="304" />
              <sound channels="1"/>
              <input players="1" buttons="2" coins="2" service="yes">
                     <control type="joy" ways="8"/>
              <dipswitch name="Difficulty" tag="IN1" mask="3">
                     <dipvalue name="Very Conserv" value="0"/>
                     <dipvalue name="Conserv" value="1"/>
                     <dipvalue name="Liberal" value="2" default="yes"/>
                     <dipvalue name="Very Liberal" value="3"/>
              <dipswitch name="Bonus Life" tag="IN1" mask="12">
                     <dipvalue name="5000" value="12"/>
                     <dipvalue name="7000" value="8"/>
                     <dipvalue name="10000" value="4" default="yes"/>
                     <dipvalue name="14000" value="0"/>
              <dipswitch name="Lives" tag="IN1" mask="48">
                     <dipvalue name="1" value="48"/>
                     <dipvalue name="2" value="32"/>
                     <dipvalue name="3" value="16" default="yes"/>
                     <dipvalue name="4" value="0"/>
              <dipswitch name="Coinage" tag="IN1" mask="192">
                     <dipvalue name="Slot A: 1 Slot B: 2" value="192" default="yes"/>
                     <dipvalue name="Slot A: 1.5 Slot B: 3" value="128"/>
                     <dipvalue name="Slot A: 2 Slot B: 4" value="64"/>
                     <dipvalue name="Slot A: 2.5 Slot B: 5" value="0"/>
              <driver status="imperfect" emulation="good" color="good" sound="imperfect" graphic="good" savestate="supported" palettesize="72"/>

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