What 6502 macro assembler was used for the AIM-65 Monitor ROM?

[Mike Stein]

----- Original Message ----- 
From: "Glen Slick via cctalk" <cctalk at classiccmp.org>
To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
Sent: Friday, March 22, 2019 1:28 PM
Subject: Re: What 6502 macro assembler was used for the AIM-65 Monitor ROM?


> On Fri, Mar 22, 2019 at 9:59 AM Chuck Guzis via cctalk
> <cctalk at classiccmp.org> wrote:
>>
>> At the expense of being boo-ed for this, could the original Rockwell
>> stuff perhaps have been assembled using a mainframe/mini-hosted
>> cross-assembler?
>>
>> I'm aware of several situations where this was the case.
> 
> The date in the AIM-65 Monitor Program Listing header block in the
> source code is Aug 22, 1978. That is less than 1 year after the
> introduction date of the VAX-11/780. I suppose it still could have
> been something that ran on a VAX by then, or a PDP-11 (or PDP-10?), or
> some other mainframe/mini host if it wasn't self hosted on a Rockwell
> 6502 development system.
> 
> It's really just more of a curiosity issue at this point if anyone
> finds a definitive answer.

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I expect it was their Macro Assembler running on one of the systems shown at the bottom of the page here:
http://oldcomputers.net/AIM-65-40.html