26 February 2008, 11:55 | #81 | |||
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28 February 2008, 08:36 | #82 | ||
son of 68k
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Yes, 030 (and 020) tests are already done. I did my first 68000 tests long ago on an Atari St and was nearly deceived not to find a single undocumented opcode |
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03 March 2008, 13:47 | #83 | |||
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04 March 2008, 09:57 | #84 |
son of 68k
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Strange you don't get any sound at all.
What you have to do is to set up a volume (DFF0A8), set up a playing frequency (DFF0A6) and then repetitively bang on the data register (DFF0AA). Didn't you forget something you thought wasn't important ? |
05 March 2008, 08:23 | #85 | |
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I have noticed something strange: If after a copper write to aud0dat I do a copper write to color00, there is some soft sound, the frequency can be changed, but it should be a lot louder. I have no idea where this comes from Furthermore, when playing an empty sample using dma, the copper writes to aud0dat can be heard clearly. I'm probably doing something minuscule wrong here. Anyway, as said, there are no more timing issues because of the waits, and it seems perfectly possible to get the copper to playback at almost exactly 44.100 khz. So except for the buggy old game source, I have good hopes that this is indeed going to work. I've already posted another thread about sound coding, and got Toni to help me Guess this will be working in no time. Furthermore, there seems to be plenty of copper time left to handle the system stuff, so this really could be a winner. |
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06 March 2008, 11:07 | #86 | |||
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Also, you should be aware that when writing to AUDxDAT, you'll actually end up playing two samples (high byte first). Just my 2 cents attempt to find out what's wrong Quote:
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10 March 2008, 09:34 | #87 | |||
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10 March 2008, 15:13 | #88 | ||
son of 68k
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With the dma, you'd just loop on those two samples and hear the square signal. If you're stuck in this and need help, don't hesitate to ask. I have no hardware coding frame ready at hand, but one wouldn't be very long to make. |
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26 March 2014, 21:35 | #89 |
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VorbisPlayer Tremora OGG decode faster than mp3
http://www.ppa.pl/forum/komentarze/1...player#m245579 http://aminet.net/package/mus/play/VorbisPlayer |
27 March 2014, 00:56 | #90 |
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What happened to this project? It sounds like it was pretty close to completion.
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27 March 2014, 09:43 | #91 | |
son of 68k
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It is complete. |
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27 March 2014, 15:01 | #92 |
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17 November 2019, 12:02 | #93 | |
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** FDI © Oct 29 1997 Karl J. Ots ** $VER: mpega.library 2.0 (21.06.98) (C) 1997-1998 Stéphane TAVENARD _LVOMPEGA_open EQU -30 _LVOMPEGA_close EQU -36 _LVOMPEGA_decode_frame EQU -42 _LVOMPEGA_seek EQU -48 _LVOMPEGA_time EQU -54 _LVOMPEGA_find_sync EQU -60 _LVOMPEGA_scale EQU -66 |
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04 November 2021, 23:14 | #94 |
Piotr
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Anyone has that library backed up maybe?
EDIT: Nevermind. I found it :-) |
05 November 2021, 19:43 | #95 |
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@Meynaf I recall you were looking for this http://aminet.net/package/util/libs/MPEGALibrary_src
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05 November 2021, 19:54 | #96 |
son of 68k
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It's been quite a long time i've found this, thanks.
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