Author Topic: Casio fx-9860G video player  (Read 29540 times)

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Offline DJ Omnimaga

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Re: Casio fx-9860G video player
« Reply #15 on: December 18, 2010, 05:53:34 pm »
Nope it isn't. The guy made an audio player, from what I saw on his site, though.

Offline TIfanx1999

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Re: Casio fx-9860G video player
« Reply #16 on: December 21, 2010, 06:03:28 pm »
Cool stuff! ^^ It looks like it has a decent framerate too!

Offline MPoupe

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Re: Casio fx-9860G video player
« Reply #17 on: January 04, 2011, 11:50:09 am »
Cool stuff! ^^ It looks like it has a decent framerate too!
It has 40 fps, but the full speed (of unoverclocked calculator) is around 100 fps.

I also tried the audio+video together, but the audio was almost unusable :-(

Offline critor

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Re: Casio fx-9860G video player
« Reply #18 on: January 04, 2011, 12:06:33 pm »
Cool stuff! ^^ It looks like it has a decent framerate too!
It has 40 fps, but the full speed (of unoverclocked calculator) is around 100 fps.

I also tried the audio+video together, but the audio was almost unusable :-(


Not a problem if we have 2 calculators!
And with 3 calculators, we could also have stereo! :P
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Re: Casio fx-9860G video player
« Reply #19 on: January 04, 2011, 04:26:09 pm »
Hi MPoupe, nice to see you're still around the Casio community and doing some calculator stuff. I'm also happy you brought your website back online with the CFX hacking info :)

Offline MPoupe

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Re: Casio fx-9860G video player
« Reply #20 on: January 05, 2011, 04:30:06 am »
Not a problem if we have 2 calculators!
And with 3 calculators, we could also have stereo! :P
The calculator has 2 serial ports... :-)
But only 1 has an external connector.
BTW: did somebody of you try the audio player ? What do you think about the sound quality ? I think it is terrible :-(

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Re: Casio fx-9860G video player
« Reply #21 on: January 05, 2011, 04:31:26 am »
If it's terrible, then we can always overclock the Prizm and try it again  ;D
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Offline DJ Omnimaga

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Re: Casio fx-9860G video player
« Reply #22 on: January 05, 2011, 04:36:44 am »
I haven't gotten the chance to try it yet because I lost my headphone adapter :(

As for sound quality, on the TI-84 Plus, music is generally in 8 bit 22 KHz format, if I remember. You hear the music quite nicely but there's some noise and one minute of music takes over 1 MB. I am curious how it sounds like with your player.

Music is generally not too practical on calculators because people need an adapter to fit headphones in the smaller port, but it's still cool to see it achieved. :D

Offline JosJuice

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Re: Casio fx-9860G video player
« Reply #23 on: January 05, 2011, 04:38:15 am »
Music is generally not too practical on calculators because people need an adapter to fit headphones in the smaller port, but it's still cool to see it achieved. :D
For the, the main problem isn't the headphone adapter - it's the lack of storage space.

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Re: Casio fx-9860G video player
« Reply #24 on: January 05, 2011, 04:46:23 am »
For the,
Is a word missing here? ???

But yeah lack of storage space is an issue.

On the 83+ there was that Guitat Hero ASM clone once, but he had to use 1 bit music quality to keep the game small. The quality was terrible on some headphones. :(

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Re: Casio fx-9860G video player
« Reply #25 on: January 05, 2011, 04:47:57 am »
I meant to type "for me". I have no idea why I wrote the instead...

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Re: Casio fx-9860G video player
« Reply #26 on: January 05, 2011, 04:50:34 am »
Ah ok thanks for clarifying. :P

Now I hope I can find my adapter tomorrow, else The Source by Circuit City sells them for $20 instead of $5 at Radio-Shack (which got replaced by The Source 5 years ago). X.x

Offline TIfanx1999

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Re: Casio fx-9860G video player
« Reply #27 on: January 05, 2011, 06:50:20 am »
@MPoupe: Welcome here! I don't actually own any Casio calculators, but i find it a cool development nonetheless. =) I am interested in the Prizm though. I'm just waiting for it to be open to C and ASM development.

Offline MPoupe

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Re: Casio fx-9860G video player
« Reply #28 on: January 06, 2011, 07:16:01 am »
@Qwerty.55: The sound quality was not affected by CPU speed (it sounded ~ the same for CPU speeds 2x and 4x). There is probably some non-linearity in the serial port.
@DJ Omnimaga: The TI84 plus has serial port, or 2 bit parallel port (as the TI-92 has?). How is the sound created? My player uses serial port as 1 bit D/A converter.

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Re: Casio fx-9860G video player
« Reply #29 on: January 07, 2011, 12:41:08 am »
The 84+ has a serial port and an mini-USB port, actually. I don't know about sound concepts but bits are sent via the link port I think and it plays sound. However, the port is 2.5 mm, while headphones requires a 3.5mm one, so you need an adapter or old Xbox headphones.

Volume is extremly low, though.