The art and engineering of Sega CD Silpheed
A technical retrospective on the engineering challenges behind the Sega CD game Silpheed. The author details how the game achieved impressive 3D-like visuals on limited 16-bit hardware through clever FMV compression.
Why it matters
It highlights the history of software optimization and the creative constraints that defined early 90s video game development.
The 90's was a decade of considerable improvement in the world of video-game consoles [1] . Each new model brought advanced processing power and better graphics without compromise.
The mid-90s emergence of CD-ROM drives however was an oddity. While the 640 MiB storage was 320x a cartridge capacity [2] , the access time (800ms [3] ) and bandwidth (single-speed 150 KiB/s) were an eye-watering 4,000,000x and 35x slower.
The Mega-CD was Sega's idea to bring CD-ROM to its Genesis console. Nearly 200 [4] titles were produced for the platform. A few great games like Sonic CD , Snatcher , Final Fight CD , and RPGs came out. But an endless series of titles relying heavily on Full Motion Video (FMV) gave Sega's add-on an infamous reputation ( Night Trap , Prize Fighter , Slam City , Corpse Killer , Supreme Warrior , WireHead , and A/X-101 ).
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