Search found 2 matches

by MisterDave
Sat Jul 13, 2019 6:59 pm
Forum: Demos
Topic: MegaVid FMV codec
Replies: 3
Views: 298

MegaVid FMV codec

I thought I'd share an video encoded/decoder for the MegaDrive that I've been working on built on SGDK. The encoder works by a block matching algorithm to generate 1200 tiles into the VDP RAM then use those tiles in as many frames as it can for each 'chunk' by comparing against tiles from the curren...
by MisterDave
Thu Mar 28, 2019 7:54 pm
Forum: Video Display Processor
Topic: Help scale and rotation sega genesis
Replies: 33
Views: 3781

Re: Help scale and rotation sega genesis

Hi, this is a little demo that I recently put together that handles scaling and rotation. There is a lot of precalculation in the ROM, however, any bitmap can be scaled without requiring each image to be pre-scaled and rotated.