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Re: [oberheim] Re: Faster CPU & firmware mod for the Oberheim Matrix 1000

2014-09-10 by charlie midi gfa

from what i know this will strip the high bits off
leaving only values 127 or less

its been a while

chaz



----- Original Message ----- 
From: "jan@... [oberheim]" <oberheim@yahoogroups.com>
To: <oberheim@yahoogroups.com>
Sent: Wednesday, September 10, 2014 3:52 PM
Subject: [oberheim] Re: Faster CPU & firmware mod for the Oberheim Matrix 
1000


> I'm not really that far into the disassembly yet, but what I find at that 
> point of the code is this:
>
>         ANDA    #$80                     *C693: 84 80          '..'
>
>
>
> So, no adding, rather an AND, so the patch value would rather have to be 
> 0x7F - or am I wrong there?
>
>
>

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