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Post by bigglesworth on Mar 12, 2005 23:42:27 GMT 1
I get full sounds in Sonic 1, no sound in Sonic 2 and 3. Just curious if others have the same experience. Sonic 1 runs pretty well on a Z with frameskip 2, fyi.
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Post by Tinnus on Mar 13, 2005 2:40:11 GMT 1
Sound in Sonic 2 and 3 and the majority of Genesis games requires Z80 sound emulation to be on (which slows emulation down a lot).
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Post by faster90 on Mar 13, 2005 6:16:29 GMT 1
Tested, Sonic Compilation (Sonic 1,2 and Dr. Robotik) and Sonic 3 (U), all have sound on T3
Config:
Video
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Smoothing - Fast
Display size - x1.25
Frame Skip - Auto
Audio
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Sound - On
Freq. - 22Khz
ZX80 - [v]
FAST - [ ]
CPU Core - C
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Post by Tinnus on Mar 13, 2005 14:46:59 GMT 1
Where's your mind at to use the C core? I think that even on a T3 the ASM core should be faster.
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Post by faster90 on Mar 13, 2005 16:00:16 GMT 1
No, C core is faster. ASM is slower and more stable, that's all.
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Post by Tinnus on Mar 13, 2005 16:41:32 GMT 1
Actually, it's the complete opposite. (don't try to tell me ASM is slower than C, I'm a programmer  ) |
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Post by faster90 on Mar 13, 2005 17:23:34 GMT 1
Different palm run on different code. I've try C and it definitely faster. Have you try Firestorm? C run way faster than ASM.
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Post by Pontifice on Mar 13, 2005 18:27:52 GMT 1
Lol You know sonic runs faster than Mario, maybe Sonic is coded in C  Unless there is some debug code in asm, asm will definetely run faster than C |
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Post by bigglesworth on Mar 13, 2005 22:10:54 GMT 1
OK, this explains it. When I enable z80 sound emulation, the sound comes on in Sonic 2 and 3, but the game slows down to become unplayable. The question of course is whether this can be solved by some clever coding in LJZ/LJP, or whether we are up against the limits of the hardware in our handhelds. Makes me wish I was a coder...it would be fun to solve this problem.
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Post by Tinnus on Mar 14, 2005 2:22:07 GMT 1
It'd be possible, but hard, to gain some speed. Lowering the sound quality to 22 or 11 khz (11 sounds bad but is faster) can be a temporary solution.
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Post by faster90 on Mar 14, 2005 7:17:23 GMT 1
The only solution is to turn
Smoothing - Off
Display size - x1
Or some kind of overclock software.
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Post by bigglesworth on Mar 14, 2005 8:16:06 GMT 1
Faster, I have read that smoothing and screen size have a tiny impact on performance on Zodiac. This is because these video options are hardware dependent, unlike other Palm devices. Also, I tried Lightspeed to overclock but did not notice a difference in game performance (although I did note LJZ crashed more).
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