Difference between revisions of "Amstrad Magnum Phaser"

From CPCWiki - THE Amstrad CPC encyclopedia!
Jump to: navigation, search
(Supported Games)
Line 18: Line 18:
  
 
== Supported Games ==
 
== Supported Games ==
* Operation Wolf
+
 
* Bullseye
+
* [[Operation Wolf]]
* Missile Ground Zero
+
* [[Bullseye]]
* Rookie
+
* [[Missile Ground Zero]]
* Solar Invasion   
+
* [[Rookie]]
* Robot Attack
+
* [[Solar Invasion]]    
 +
* [[Robot Attack]]
  
 
Mastertronic released some more games with Magnum phaser support, but they were mostly budget type Spectrum ports. (... which games???)
 
Mastertronic released some more games with Magnum phaser support, but they were mostly budget type Spectrum ports. (... which games???)
 +
 +
* [[F-16 Fighting Falcon]]
  
 
== Pictures ==
 
== Pictures ==

Revision as of 19:45, 24 October 2011

The Magnum Phazer was released later on in the Amstrads' life, and retailed for £24.99 in the UK. It came supplied with a cassette and a disk, both containing six games.

The main reason to buy this gun was for the excellent Amstrad conversion of Operation Wolf. Playing this with a light gun on your Arnold was the arcade experience people relished but rarely got back in the 80's. The other supplied games were fun for a while, but by far the high point was Operation Wolf.

Technical

Connects to expansion port 50pin edge connector. Reportedly it uses only 4 pins: VCC, GND, LPEN, D7. Uh, that is, without decoding any address lines or /IORQ lines?

 Trigger Button  ---> Request via output to Port FBFEh, then check CRTC input
 Light Sensor    ---> CRTC Light Pen Input

To read the Trigger button (to be done during vblank):

 Port[BCxxh]=11h  ;select CRTC register 11h
 old=Port[BFxxh]  ;-get old value
 Port[FBFEh]=7Fh  ;\force an edge on the lpen input
 Port[FBFEh]=80h  ;/(depending on whether button is pressed or not)
 new=Port[BFxxh]  ;-get new value
 if old=new then ... else ...

Supported Games

Mastertronic released some more games with Magnum phaser support, but they were mostly budget type Spectrum ports. (... which games???)

Pictures