Casio CZ/ VZ/ FZ - Pro Series

The discussion of nibblizing/nybblizing midi data might sound familiar to some members of this group. It seems that around 2009 as part of some discussion,* I posted some Commodore C-64 asm code segments as examples of how I handled it. 

See the CZ - C64 asm code segments directory here:
http://launch.groups.yahoo.com/group/CZsynth/files/

*The thread starts here: 
http://launch.groups.yahoo.com/group/CZsynth/message/4110

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--- In CZsynth@yahoogroups.com, Daniel Forró <dan.for@...> wrote:
>
> Nibble is half of byte. When some manufacturers want to sent 8-bit  
> data bytes in MIDI communication, they divide them to half and send  
> them in two bytes, for example
> 
> abcdefgh
> 
> sent as:
> 
> 0000abcd
> 0000efgh
> 
> The main reason for this is that data bytes in MIDI communication must  
> start with 0.
> 
> Other manufacturers did differently, for example they sent it this way:
> 
> 0abcdefg
> 000000h
> 
> Why do you ask, you are software programmer, I'd suppose you know such  
> basic things... If not, Google is your friend:
> 
> http://en.wikipedia.org/wiki/Nibble
> 
> http://www.techterms.com/definition/nybble
> 
> Daniel Forro
> 
> On 31 Jan, 2014, at 5:43 AM, charlie midi gfa wrote:
> 
> > nybbles are bytes
> > ?
> >
> > charlie
> >
> >
> > ----- Original Message -----
> > From: "Lee Borrell" <templarser@...>
> > To: <CZsynth@yahoogroups.com>
> > Sent: Thursday, January 30, 2014 1:59 PM
> > Subject: Re: [CZsynth] VZ SysEx Format
> >
> >
> > That's interesting thanks - I have worked on Yamaha checksums which
> > calculate on the nybbles - not the bytes - I will bear what you have  
> > said in
> > mind when I come to CZ.
>