[Efi332] Question regarding PMMX

[bowtievette at aol.com]

Paul,
You may want to scrub through the SourceForge code as there are a number of lessons learned embedded in there. And yes, the microcode in CVS on SourceForge is modified from what you have. Since I needed those other functions as well (SM for stepper motor IAC, rwtpin for discrete pin IO, and ITC for a cam counter), another list member and I packaged up a new combination of functions.  When you compile the "stock" 58XX tpu functions with these into a custom mask, you will find that it won't fit the 332's emulation RAM. Something had to go so the crank window function psp12d was removed and pmmx8 and psp3 doctored to get them to work without psp12d. Other than that, its the same microcode.
The 555 has more emulation ram available so even if you need these extra functions, they should fit.
Jeff
 
-----Original Message-----
From: Paul Helmuth <PaulHelmuth at SprintMail.com>
To: efi332 at diy-efi.org
Sent: Sun, 12 Jun 2005 21:50:08 -0500
Subject: Re: [Efi332] Question regarding PMMX


Jeff,
 
Thanks for the additional info. Very useful, especially the part about re-syncing.
 
It seems that those TPU notes describe a different emulation mask from the one that I found in the archive. The code that I am working with was under 
ftp://ftp.diy-efi.org/pub/efi332/tpu/. The code under this directory must have been an earlier snapshot as it doesn't contain the SM, ITC, and RWTPIN referenced in the TPU Notes, and it does contain PSP3 (along with LPWM2, and PTA). At least that is what it looks like if you reference the "main8.asc" (TPUMASM build file).
 
Do you know if there is a set of code archived that matches the description in the TPU Notes page (are you using something close to this)?
 
I looked through the "pub" stuff and didn't find it. I don't seem to have access to "incoming" and don't see it in "uploads".
 
Thanks again,
-Paul
 
 
 
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