Changes
/* Execution of the ports */
And they actually had few interest to have Home-Computer ports being as good as the Arcade original, as peoples would then no more pay for Arcade and only play at home.
Also the success in Europe/Western World of software based machines such as Amstrad CPC, Atari ST, IBM compatibles (MS-DOS PC) or ZX spectrum would not ease the porting portage of the such games.
The Companies which bought the Licenses for the games often only wanted to use the Arcade's success as a good publicity to get fast selling games. They rarely tried to get actually good games but indeed fastly developped cheap games.
