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Re: [korgpolyex] Re: Decoding 800 Mk1 Cassette Data

2012-08-30 by Michael Hawkins

This information relates to the MK2 sysex dump but that isn't going to work or match up to the Poly-800 (PS-800) or EX-800. I shall do my best to dredge up the EX-800 sysex format this weekend.

Mike




________________________________
 From: ASSI <Stromeko@...>
To: korgpolyex@yahoogroups.com 
Sent: Wednesday, August 29, 2012 3:07 PM
Subject: Re: [korgpolyex] Re: Decoding 800 Mk1 Cassette Data
 

  
On Wednesday 29 August 2012, 18:53:28, bereiden wrote:
> Here is an update to the cassette data format:
> 
> byte    1:       0xB3 (I assume this is header info)
> byte    2:       0xBF
> byte    3:       0x00 (MIDI channel - 1)
> bytes   4-259:   Sequence data
> bytes 260-270:   Chord memory
> bytes 271-290:   ??? (so far always 0xFF)

From the Poly800 MkII manual:

2. RAM data structure.

*The RAM data portion of DATA DUMP data is organized as shown here.
DATA                  RELATIVE ADDRESS                BYTES(decimal)
----                  ----------------                --------------

MIDI CHANNEL          000H                            1
SEQ DATA              001H~3E8H                       1000
(UNDEFINED)           3E9H~3F0H                       8
CHORD MEMORY          3F1H~3F8H                       8
SEQ MODE              3F9H                            1
SEQ CKL               3FAH                            1
PROG CHANGE DIS/ENA   3FBH                            1
(UNDEFINED)           3FCH~3FFH                       4
PROG DATA             4O0H~A7FH                       1664

*Actually, when this data is transmitted on MIDI, each byte 
is split at its least 
significant four bits and sent starting from relative 
address 000H.
(UNDEFINED data does not affect internal operation; it is 
only used in the check sum.)

> bytes 291-1634:  Patch data
> byte 1635:       ??? (different between the factory dump and my Poly
> 800)
> byte 1636:       Checksum (unsigned sum of bytes 3 through 1635)
> 
> The changes are identification of byte 3 as the MIDI channel, adding the
> chord memory region, and changing the checksum start from byte 4 to byte
> 3.
> 
> Note:  The chord memory *should* only need 8 bytes to save an 8-note
> chord, but there are 11 bytes reserved.  There may be some other
> information in that region that hasn't been identified yet.

Sound Untangled
---------------
0: Octave 1    (Val&0x03)
Octave 2    (Val&0x0c)>>2
0=Low
1=Mid
3=High
4=undef
Waveform 1  (Val&0x10)>>4
Waveform 2  (Val&0x40)>>6
0=Square
1=Saw
1: Harmonics 1 (Val&0x0f)
Harmonics 2 (Val&0xf0)>>4
1=16'
2= 8'
4= 4'
8= 2'
2: Detune      (Val&0x03)
DCO Mode    (Val&0x40)>>5
0=Whole
1=Double
Chorus      (Val&0x80)>>7
0=On
1=Off
3: Interval    min(Val&0x0f,12)
Noise Level (Val&0xf0)>>4
4: EG Int      (Val&0x0f)
Polarity    (Val&0x10)>>4
0=negative
1=positive
5: Level 1     (Val&0x1f)

6: Level 2     (Val&0x1f)
7: Cutoff      min(Val&0x7f,99)

Trigger     (Val&0x80)>>7
0=Single
1=Multi
8: MG Freq     (Val&0x0f)
MG Delay    (Val&0xf0)>>4
9: MG DCO      (Val&0x0f)
MG VCF      (Val&0xf0)>>4
10: DEG1 A      (Val&0x1f)

11: DEG1 D      (Val&0x1f)
12: DEG1 B      (Val&0x1f)

13: DEG1 Sl     (Val&0x1f)

14: DEG1 S      (Val&0x1f)

15: DEG1 R      (Val&0x1f)

16: DEG2 A      (Val&0x1f)
17: DEG2 D      (Val&0x1f)

18: DEG2 B      (Val&0x1f)

19: DEG2 Sl     (Val&0x1f)

20: DEG2 S      (Val&0x1f)

21: DEG2 R      (Val&0x1f)

22: DEG3 A      (Val&0x1f)
23: DEG3 D      (Val&0x1f)

24: DEG3 B      (Val&0x1f)
25: DEG3 Sl     (Val&0x1f)

26: DEG3 S      (Val&0x1f)

27: DEG3 R      (Val&0x1f)
28: Resonance   (Val&0x0f)

Kbd Track   (Val&0x30)
0=Off
1=Half
2=Full

Poly-800MkII
29: DDL Time    min(Val&0x7f,99)
30: DDL FX Lev  (Val&0xf0)>>4
DDL Feedbk  (Val&0x0f)
31: DDL ModFreq (Val&0x1f)
32: DDL Mod Int (Val&0x1f)
33: EQ Bass     (Val&0xf0)>>4
EQ Treble   (Val&0x0f)

HTH,
Achim.
-- 
+<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+

SD adaptations for KORG EX-800 and Poly-800MkII V0.9:
http://Synth.Stromeko.net/Downloads.html#KorgSDada

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