uoYabause

uoYabause is a unofficial port of Yabause SEGA Saturn Emulator.This project is focused on the Android version of yabause using OpenGL ES 3.x.

Compatibility Status
● Not boot
● Not playable
● Many glitches
● Some glitches
● Perfect

News


Clearance

You and I know uoYabause still has many graphics glitches. Some of them are caused by the frame buffer emulation is not accurate. I've focused on this problem for a couple of days.


What is the frame buffer operation?

SEGA Saturn draws graphics using three individual chips CPU, VDP1, VDP2. CPU send images and draw commands to VDP1. Then CPU order VDP1 to start drawing to the frame buffer. then VDP1 starts drawing. On the other hand, VDP2 periodically(60Hz) reads the frame buffer and...

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2016/12/30

I'm very happy to announce that uoYbause can boots GUNGRIFFON finally!

Other improvements are described below.

Get it on Google Play

Windows version is also available from here

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2016/12/03
Sf32

I fixed many bugs in SCUDSP emulation. Then finally Shining Force 3 magic effects are enabled!

Now you can download from Get it on Google Play

I also find the web page which describes how Camelot( the software developer of Shining Force 3) implemented these magic effects. it's very interesting!

http://www.camelot.co.jp/force3/scn1/dspbraze.html

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Image

I know SHIELD TV is the only android device which can run uoYabause 60fps and I think it needs a help for other devices. So I implement the rendering mode which draws in the original SEGA Saturn resolution mode. It's successful to increase the game performance, as well as the atmosphere of the game.

This screenshot is obtained from GPD XD. the left draws in the original resolution(352x224), then expand to device resolution(1280x720). the right draw in device resolution directly. This full...

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2016/10/16

Important bug fixes

New features

Get it on Google Play

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All News