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Der Mediaplex Sampler - Die 6 von Plex
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1994-02-07
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From: lca@gnu.ai.mit.edu (.oO| Spaceman Spiff |Oo.)
To: "Super Famicom Development Group" <famidev@busop.cit.wayne.edu>
Subject: Re: Samples on de SNEZ
Date: Tue, 11 Jan 94 14:34:35 EST
Reply-to: famidev@busop.cit.wayne.edu
Sender: Listserv@busop.cit.wayne.edu
X-Mailer: Mercury MTA v1.0.
>
>
> A while back someone mentioned that the SPC700 chip was the same sound chip
> as in the <****> computer (forget which one), and that they had made a
> really simple disassembler for it. If someone could point me towards any
> docs (books) on the spc700, or possibly if it isn't too much trouble, the
> intruction set of the spc700 I would appreciate it.... I'm not looking for
> "programming the spc700 on the snes" Maybe just a <****> book with a chapter
> on programming sound using the spc700.... I realize that no one person out
> there knows how to do the music, sample formats, etc, but I think if we had
> a spc700 disassembler that a couple of us so inclined could start to work
> on the whole sound driver problem....
>
> thanks in advance....
>
> -jeremy
>
>
Welp music doesn't seem to be too bad. There is a really good musik ripper
on rhe Amiga that rips music out of SMC or BIN formats. I forgett the name,
since I don't have an Amiga :( .. oh well .. anyhoo here is some sample
source for playing a .SPC on the spc700 in the snez .. it's pretty
choppy but it's what I use.
REP #$30 ; X,Y FIXED -> 16 BIT MODE
SEP #$20 ; ACCUMULATOR -> 8 BIT MODE
LDA #$00
JSL $1C8000
LDA #$01
JSL $1C8000
LDA #$17
LDY #$0001
JSL $1C8000
LDA #$13
LDY #$003F
JSL $1C8000
LDY #$0004 ;<- Here Change your favourite TECHNO MuZaK
JSL $1C8000
...
...
...
;<- Here Your Source!
...
...
...
ORG $1C8000
MUSIC .BIN C:\SNEZ\DEMUZAK.SPC
-=-=-=-=-=-=-=-=-=-=-=
or you could do it this way
-=-=-=-=-=-=-=-=-=-=-=
PHB
REP #$30 ;A,X,Y 16 BIT
JSL $1F8000
PLB
PHB
REP #$30 ;A,X,Y 16 BIT
LDA #$01 ;<- CHANGE MUSIC
JSL $1F8004
LDA #$C0
JSL $1F8008
PLB
CLC
JSL $1F8014 ;STOP MUSIC
ORG $1B8000
.BIN C:\SNEZ\DEMUZIK.SPC
-=-=-=-=-=-=-=-=
Anhyhoo .. that's the same shit but a little clearer. Now the only propblem
with all this is you can't use your own musak .. 'cuz I don't know anyonwe
who knows the format or even if a composer exists. But, my original
post refered to samples and sound effects. 'cuz I don't knowe ANYONE
wjho knows who those work 100% .. oh well .. ttyl
-=SPiFF=-