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GTIA Music compo (SV2014)


xxl

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pos id points title author country
----------------------------------------------------------------------------
01 06 651 pt Flying Microbits ......... Jakub Husak poland
02 03 569 pt The Night Dancer ......... Mister Beep poland
03 05 517 pt Hyperdrive ............... Irrlicht Project germany
04 02 511 pt Dark Matter Trap ......... Mister Beep poland
05 07 426 pt Incantation .............. Garvalf france
06 04 317 pt Lemon Chicken ............ Jethro Atherall england
07 01 309 pt Reveries et Souvenirs .... Garvalf france

 

 

Flying Microbits: http://atari.pl/sv2014/flying_microbits.mp3
The Night Dancer: http://atari.pl/sv2014/the_night_dancer.mp3
Hyperdrive: http://atari.pl/sv2014/hyperdrive.mp3
Dark Matter Trap: http://atari.pl/sv2014/dark_matter_trap.mp3
Incantation: http://atari.pl/sv2014/incantation.mp3
Lemon Chicken: http://atari.pl/sv2014/lemon_chicken.mp3
Reveries et Souvenirs: http://atari.pl/sv2014/reveries.mp3

sv2014beeper.atr

Edited by xxl
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pos id  points   title                       author           country
  ----------------------------------------------------------------------------
  01  06   651 pt  Flying Microbits .........  Jakub Husak      poland 
  02  03   569 pt  The Night Dancer .........  Mister Beep      poland
  03  05   517 pt  Hyperdrive ...............  Irrlicht Project germany 
  04  02   511 pt  Dark Matter Trap .........  Mister Beep      poland
  05  07   426 pt  Incantation ..............  Garvalf          france
  06  04   317 pt  Lemon Chicken ............  Jethro Atherall  england
  07  01   309 pt  Reveries et Souvenirs ....  Garvalf          france

 

Whatttt???? Only 317 pts.??? The voting had to be fixed...

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Flying Microbits is really good. Nothing beats the Lemon Chicken though. icon_twisted.gif

 

Looks like some quality artwork coming out of that meeting too...

Yeah - there's some mid scanline changing going on that should not be possible. This little machine and the people that code for it never cease to amaze me.

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it all seems a few cents too high in pitch to me...... is there a difference in sound due because of pal to ntsc??

 

I believe that xxl's beeper routines are using 100% of CPU cycles for bit banging GTIA's CONSOL register which means that the frequencies produced are dependent on CPU clock frequency. Since NTSC machines run slightly faster than PAL machines, there will be a difference in pitch. According to the formula on Wikipedia, the difference in pitch is in fact 15.8645 cents, i.e. 1200 * log2(1.789773/1.773447). The same also applies to normal POKEY music since POKEY also runs off the system clock.

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That web page locks up internet exploder, so I set it to compatibility mode and it loads.. now quicktime wants an update and a million songs started playing all at once!!! ouch... automatic play start on all of em... gotta be fast to pause them so you can listen to them one at a time

Edited by _The Doctor__
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