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May 11, 2019 07:00 am
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/PdTVLxDsT0g/28-years-later-hacker-fixes-rampant-slowdown-of-snes-gradius-iii
28 Years Later, Hacker Fixes Rampant Slowdown of SNES' Gradius III
Ars Technica's Kyle Orland reports that Brazilian ROM hacker Vitor Vilela has released a ROM patch for the hit arcade game Gradius III, creating a new, slowdown-free version of the game for play on SNES emulators and standard hardware. "In magazine screenshots, the game's huge, colorful sprites were a sight to behold, comparable to the 1989 arcade original," writes Orland. "In action, though, any scene with more than a handful of enemies would slow to a nearly unplayable crawl on the underpowered SNES hardware." From the report: The key to Vilela's efforts is the SA-1 chip, an enhancement co-processor that was found in some late-era SNES cartridges like Super Mario RPG and Kirby Super Star. Besides sporting a faster clock speed than the standard SNES CPU (up to 10.74 Mhz versus 3.58 Mhz for the CPU), SA-1 also opens up faster mathematical functions, improved graphics manipulation, and parallel processing capabilities for SNES programmers. The result, as is apparent in the comparison videos embedded here, is a version of Gradius III that Vilela says runs two to three times faster than the original. It also keeps its silky smooth frame rate no matter how many detailed, screen-filling sprites clutter the scene. That's even true in the game's notorious, bubble-filled Stage 2, which is transformed from a jittery slide show to an amazing showcase of the SNES' enhanced power. As if that wasn't enough, the patch even slashes the game's loading times, cutting a full 3.25 seconds from the notably slow startup animation. Vilela notes that the lack of slowdown "makes it incredibly super difficult" and even suggests that "some arcade segments of the game do not look RTA (real-time action) viable with SA-1. But we shouldn't underestimate the human capabilities."Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/PdTVLxDsT0g/28-years-later-hacker-fixes-rampant-slowdown-of-snes-gradius-iii
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