Transparency Bug with Super Punch Out

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Schnuffelduffel
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Transparency Bug with Super Punch Out

Post by Schnuffelduffel »

Hello


I've found a transparency bug
zsnes has this bug since the early dos versions

in super punch out, when u knock down an opponent
and the referee starts to count
1-2-3-4....
the numbers are not transparent !

with the orginal snes and with snes9x the numbers are transparent

i tested this with the us rom :crc e2f92f84
and the european rom : crc c6906f5f

i use latest wip version
and play with 1280x1024 ds full
triple buffering and interpolation

i testet all other video options but the numbers are still not transperent
illegal eagle
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Post by illegal eagle »

Probably won't do a thing, but try using the old gfx engine (press "8").
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Schnuffelduffel
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Post by Schnuffelduffel »

thx

but the bug is still there with the old gfx engine
Schnuffelduffel
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Post by Schnuffelduffel »

hello again


after about 2 years this bug is still there :-(


here are some screenshots

the first 2 are from zsnes
http://www.uploadfile.info/uploads/a5396b9dc7.bmp

http://www.uploadfile.info/uploads/5edc098d1b.bmp


and this are from snes9x

http://www.uploadfile.info/uploads/4da6ce7b58.bmp

http://www.uploadfile.info/uploads/af6447e96d.bmp

with snesgt the numbers are transparent too



i hope this old bug in zsnes will be fixed soon
Stifu
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Post by Stifu »

Advice: the PNG format is much more appropriate for screenshots than the BMP one... Much smaller files, same quality.
The BMP format shouldn't even be used on the net... This forum system won't even display them anyway, as you can see.
byuu

Post by byuu »

I believe TRAC has the exact same problem in SNEeSe, he was asking me about it one night.
Can a note be made in a bugreport to send the fix to TRAC when it is found?
pagefault
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Post by pagefault »

Fixed, found a very stupid mistake in the code. But the numbers do not have the italic effect like they should, not really how they are getting like that.
Schnuffelduffel
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Post by Schnuffelduffel »

good news that its fixed :-)


i hope the fix is included in the next wip version
pagefault
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Post by pagefault »

It's not 100% fixed yet. I am still looking into why the numbers are not italic.
Schnuffelduffel
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Post by Schnuffelduffel »

zsnes has this bug since the old dos versions
but i am confident that u'll find the bug soon :-)


snes9x and snesgt don't have this bug
may be it helps to look at there source codes
even if they are different to zsnes


(may be this bug with the transparency has an effect on other games too)
Nightcrawler
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Post by Nightcrawler »

Schnuffelduffel wrote:zsnes has this bug since the old dos versions
but i am confident that u'll find the bug soon :-)


snes9x and snesgt don't have this bug
may be it helps to look at there source codes
even if they are different to zsnes


(may be this bug with the transparency has an effect on other games too)


Looking at other emulator source code is useless until you actually KNOW what causes the problem and what you're trying to fix.

Pagefault doesn't know what the problem is yet, so looking at other source code is useless since you don't know what area you need to look at.

He'll need to figure out WHY the numbers don't come out correct first. Is it HDMA, is it timing, is it a register? Once he figures that out, he can look at other source code for how it's emulated IF necessary.

It's just not as simple as SNES9x has it right, so just look at that. That alone doesn't help much at all.
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Nach
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Post by Nach »

It also doesn't help if the other emulator lacks source or that particular emulator has a hack to get it to display properly for that game.
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Schnuffelduffel
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Post by Schnuffelduffel »

hello its me :-)


i just tested the new wip and the bug is till there
Deathlike2
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Post by Deathlike2 »

There hasn't been a mention that Super Punch Out was fixed.. only that the hack used for it is removed.
Continuing FF4 Research...
Schnuffelduffel
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Post by Schnuffelduffel »

hi its me again :-)

just tried the new 1.50 (great work) but the bug is still there :-)
Deathlike2
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Post by Deathlike2 »

I'm not surprised. I will move this thread so people are aware of this.
Continuing FF4 Research...
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