Name this Z80 assembler?

[Don Y]

Chuck Guzis wrote:
> On 6/3/2006 at 12:01 PM Glen Slick wrote:
> 
>> I don't just want to assemble some Z80 code, I can find plenty of
>> assemblers to do that.  I want to find one that I can use to exactly
>> recreate a hardcopy listing of some particular Z80 code without any
>> changes to the source code format and output listing format.
> 
> To my eye (and my references), this is the standard ASM assembler as it ran
> on the Zilog Development System.  Contrast your listing with the samples in
> the Zilog  "Z80-Assembly Language Programming Manual". (February 1977).
> There may have also been a Zilog cross-assembler for mainframes; I don't
> recall.

I have the sources for the ZDS (OS plus toolchain) *somewhere*.
I can keep an eye open for them...

> Didn't the ZDS use hard-sector 8" floppies?  I can't remember for certain.

Yes.