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Wednesday, February 9th, 2011
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It’s a Spaceship, honest boss! (February 8th, 2011)
Some games definitely had .. interesting .. designs.
 
 
What this means is that I’ve been doing some work on getting SegaCD booting in MESS. After a couple of days of work I’ve got it to a stage where a number of games boot, although most have problems.
Of Note:
MegaCD (PAL) still won’t recognize discs
Many games (most FMV ones) don’t boot (Ram mode & timing problems?) Quite a few of these ones require ‘Perfect Sync’ in other emulators, but I’m already forcing perfect sync.
The PCM Audio loops badly (probably wants status readback, the MAME core doesn’t have it yet) Some games seem to hang because of this.
Many games hang when trying to use the 3D Roz / Zoom stuff (probably interrupt / timing problems) eg. Sonic CD Bonus Stage.
RAM format conversion isn’t implemented (Heart of the Alien seems to want it)
No CD Audio
It’s a bit of progress tho. Here are some screenshots.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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