Re: I/O Ports in Assembler

[Peter Gargano <peter@ntserver.techedge.com.au>]

Ludis Langens wrote:

> The 1228708 ought to be just a 1228707 in an underhood case.  (I've
> never seen an '8708...)  The 1228707 in turn looks to be a 1227749 with
> an extra 14 pin SOIC chip.  The 1227749 schematic on my web site ought
> to to cover 99% of the '8707 except for the extra chip and a possible
> ECM pinout change.  You should be able to extrapolate from there to the
> '8708.

Okay, taking this a step further, and quoting Ludis's info from...

    http://www.cruzers.com/~ludis/p4xref.html

...the 1227749 is a 1227730 with one missing quad driver and an additional
injector driver FET, and - the 1227730 is the non underhood version of the
1227727.

So, I make Andy's 1228708 closer to a 1227727 than a 1227165!

Andy Whittaker - Chester UK wrote:

> 2. Has anyone a commented disassembly on a Turbo ECU they could send me? I'm
> using ECMGuy's Bua_hac as a reference which appears to have similar heads-up
> code and some library functions but the majority of the tables' functions
> are completely different.

and there is a "hack" of the 1227727 at the ECMguy's site - it aint turbo,
but...

   http://www.geocities.com/MotorCity/Shop/9938/software/anht_hac.pdf

(note: it's 440 odd k bytes)

So, have you seen the ANHT hack? I don't now how relevant it is, but I'd say
it would be more applicable than the BUA hack (for the 1227165). Note also that
the BUA code (ID=$32) is also fairly "old" compared to the later '165 ID=$6E
code.

Peter
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