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Saint Dragon : ウィキペディア英語版 | Saint Dragon
is a side-scrolling shoot 'em up video game originally released as a coin-op by Jaleco in 1989.〔 It was converted to several home computer platforms by Storm Entertainment in 1990. ==Development (computer ports)== Storm were a software development team for The Sales Curve (''Silkworm'', ''The Ninja Warriors''), who were affiliated with Accolade. The conversion project was managed by Dan Marchant, with programming by Andrew Taylor, music by Tony Williams, and graphics by Sean McClurg. Before working on the ZX Spectrum conversion, Taylor spent two weeks reading reviews of other scrolling games and studied videos of the arcade board gameplay.〔 He noted several challenges: "There are some huge sprites in here, some half the size of the screen, which use up a vast amount of memory. The other thing is that in St Dragon each alien seems to make a much more complicated series of moves than in, say, ''R-Type'', so we've got to try and reproduce them all, which is pretty complicated." 〔 He also wanted to achieve smooth scrolling, rather than the by-character-block movement in ''R-Type'', without sacrificing speed. A method called "pre-shifts" was eventually used, in which several versions of a sprite are held in memory, each in a slightly different position, then cycled through to give the appearance of smooth movement. This used up more memory, so restricted the game to the 128K models of Spectrum. The larger sprites, such as the leaping Puma, were handled by dividing them into strips of separate but co-ordinated entities.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Saint Dragon」の詳細全文を読む
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