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Joined: May 2004
Posts: 1,740 Likes: 8
Very Senior Member
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OP
Very Senior Member
Joined: May 2004
Posts: 1,740 Likes: 8 |
Nice. Does Star Wars Arcade run? I recall being fairly impressed by it on hardware many years ago. no, the comms seem to breakdown. if you hack it you get a sega logo, then nothing more.
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Joined: Aug 2009
Posts: 1,173 Likes: 55
Very Senior Member
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Very Senior Member
Joined: Aug 2009
Posts: 1,173 Likes: 55 |
r9255 /src/mame/drivers/megadriv.c: [32x]: handle basic hcount r/w register, Virtua Fighter now shows 3d gfxs then slave CPU dies shortly after it
*shrug* 
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Joined: Aug 2009
Posts: 1,173 Likes: 55
Very Senior Member
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Very Senior Member
Joined: Aug 2009
Posts: 1,173 Likes: 55 |
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Joined: Aug 2009
Posts: 1,173 Likes: 55
Very Senior Member
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Very Senior Member
Joined: Aug 2009
Posts: 1,173 Likes: 55 |
r9261 /src/mame/drivers/megadriv.c: [32x]: Implemented cart mirror, helps with fifa96 although is still not working (missing backup ram?)
If somebody wants to add backup ram to MESS driver be my guest ...  
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Joined: Aug 2009
Posts: 1,173 Likes: 55
Very Senior Member
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Very Senior Member
Joined: Aug 2009
Posts: 1,173 Likes: 55 |
r9262 /src/mame/drivers/megadriv.c: [32x]: Hooked up RV bit, NBA Jam TE uses it for banking the ROM on 68k spaceIt actually die due of missing EEPROM emulation (should be hooked up at 0x200000), debug tricking it and you can see title screen and team menus ... gameplay doesn't work due of unknown reasons:  
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Joined: Feb 2004
Posts: 55
Member
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Member
Joined: Feb 2004
Posts: 55 |
Could someone commit the patch that fixes bug 1978, please?
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Joined: Aug 2009
Posts: 669
Senior Member
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Senior Member
Joined: Aug 2009
Posts: 669 |
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Joined: May 2004
Posts: 1,740 Likes: 8
Very Senior Member
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OP
Very Senior Member
Joined: May 2004
Posts: 1,740 Likes: 8 |
yes, this one always worked
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Joined: May 2004
Posts: 1,740 Likes: 8
Very Senior Member
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OP
Very Senior Member
Joined: May 2004
Posts: 1,740 Likes: 8 |
Fixed Spiderman Web of Fire 32X It seems to be a 2-part problem, there was a bug in my alt priority scheme rendering, AND (this is what was confusing matters) the game writes an invalid priority setting with the 68k, which then gets picked up and used for the rest of the game. It appears that the 68k does not have VDP authorization when it does this, and that write should be ignored. I'm assuming it's buggy code and ignoring it is correct behavior. (and yes, you can play with spiderman on the Sega logo)      
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Joined: Aug 2009
Posts: 1,173 Likes: 55
Very Senior Member
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Very Senior Member
Joined: Aug 2009
Posts: 1,173 Likes: 55 |
(and yes, you can play with spiderman on the Sega logo)
Which is the most fun part of this game ;P
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