electronically connected

Emerald Software

Emerald Software was a video game publisher founded in 1988 by two UK entertainment executives - David Martin of Martech, and Mike Dixon who previously worked with EMI and worked as the company CEO.

The company was headquartered in a three-storey Georgian house ("Washington Lodge") in Wilkin Street, Waterford, Ireland.

The company had varying fortunes and failed in 1991, with the few remaining staff having worked without pay for the final few months in an attempt to keep the company going.

The people

The company was mostly populated by graduates or placement students from the then-named Waterford Regional Technical College - with some from University College Dublin and others with no formal computer training.

At its peak, Emerald Software employed 17 programmers and 5 graphic artists. These people were spread across 5 departments, loosely split to cover each of the supported development platforms and graphic art - with two additional personnel in Administration and Human Resources.

The developers were:

  • Michael Murphy
  • Brian Kelly
  • Frank Somers
  • Billy Newport
  • Brian Gorman
  • Robert Healy
  • Martin Murphy
  • Robert (Sean) Rogers
  • Paul Kelly

The artists were:

  • Martin Aherne
  • Claire Scott
  • Paul McLaughlin
  • Jer O'Carroll


The company authored games for the Commodore Amiga, IBM PC, Atari ST, Commodore 64, ZX Spectrum and Amstrad CPC systems.

Development for Amiga and Atari ST games was carried out using Manx C, and Motorola 68000 Assembly language. As both Amiga and ST were 68000 based machines, games were typically authored on the Amiga and then ported using an in-house authored porting / remote-debug / development environment; this allowed the code to be edited on the more capable Amiga, then transmitted to the ST and remotely executed/debugged from the Amiga. The development system was written by Brian Kelly and was based on Lattice C. Graphics and sound routines required re-authoring, but in many cases this was straightforward.

The Amiga games did not run on top of Workbench / AmigaOS - but on a custom-written tiny OS (KOS) with a proprietary disk format which offered higher data capacity per diskette, as well as helping to impede casual copying. This was written by Brian Kelly (the K in KOS).

Development for Spectrum and CPC games took place on a commercially available cross-assembler development environment (SoftICE?) hosted on an IBM PC clone which was electronically connected to a Spectrum. This allowed the game to be authored on the stable PC environment (complete with disk backup), then "blasted" directly into the Spectrum memory to allow for immediate testing. Developing in this manner allowed for significantly higher development speeds than could be achieved by native development on the Spectrum.

As both ZX Spectrum and CPC 464 were Zilog Z80 based machines, CPC versions were usually ported versions of the Spectrum games, with the graphics display on the more-capable CPC reconfigured to be close to that of the more primitive Spectrum.

List of games

The company produced a number of games during its brief existence, to somewhat mixed reviews. These were largely ports of existing arcade games (Vigilante for example) or original movie tie-ins (The Running Man) but there were also some original game concepts (eg Phantom Fighter):


  • The well-respected intro sequence for the Amiga version of 'The Running Man' occupied practically one full 800k diskette of the two diskette set. Running in a continuous loop till interrupted, it featured digitized voice, music and video sequences from the film, and so was often left running in computer stores as an Amiga feature demonstrator.
  • The date of the first Emerald Software Christmas Party (December 21, 1988) coincided with the ill-fated Pan Am Flight 103; the breaking news on the hotel televisions had a somewhat sobering effect on all concerned.
  • Graphic Artist Jer O'Carroll went on to animate Lara Croft for Eidos.
  • Phantom Fighter developer Billy Newport is now at IBM working as an architect for Java middleware and founded Trackpedia, a web site for driving enthusiasts.


External links

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