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devel / comp.os.cpm / AVOCET SYSTEMS Z80 ASSEMBLER

SubjectAuthor
* AVOCET SYSTEMS Z80 ASSEMBLERNathanael
`* AVOCET SYSTEMS Z80 ASSEMBLERDavid Snowdon
 `* AVOCET SYSTEMS Z80 ASSEMBLERNathanael
  `- AVOCET SYSTEMS Z80 ASSEMBLERNathanael

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AVOCET SYSTEMS Z80 ASSEMBLER

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Subject: AVOCET SYSTEMS Z80 ASSEMBLER
From: cjeculver@gmail.com (Nathanael)
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 by: Nathanael - Wed, 13 Dec 2023 10:34 UTC

Over at Github, erkyrath has recently put up the source code of the Infocom game interpreters for many systems, including CP/M. The cpm80 source code is accompanied by a .PRN which reads "AVOCET SYSTEMS Z80 ASSEMBLER - VERSION 1.03C."

Does anyone know of a source for this assembler?

--nathanael

Re: AVOCET SYSTEMS Z80 ASSEMBLER

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From: do804@torfree.net (David Snowdon)
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Subject: Re: AVOCET SYSTEMS Z80 ASSEMBLER
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 by: David Snowdon - Wed, 13 Dec 2023 22:28 UTC

No ,but I found a manual at:
https://archive.org/details/manualzilla-id-5752650

David

---
Nathanael wrote:
> Over at Github, erkyrath has recently put up the source code of the Infocom game interpreters for many systems, including CP/M. The cpm80 source code is accompanied by a .PRN which reads "AVOCET SYSTEMS Z80 ASSEMBLER - VERSION 1.03C."
>
> Does anyone know of a source for this assembler?
>
> --nathanael

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Re: AVOCET SYSTEMS Z80 ASSEMBLER

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Subject: Re: AVOCET SYSTEMS Z80 ASSEMBLER
From: cjeculver@gmail.com (Nathanael)
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 by: Nathanael - Wed, 13 Dec 2023 22:57 UTC

On Thursday, December 14, 2023 at 6:28:22 AM UTC+8, David Snowdon wrote:
> No ,but I found a manual at:
> https://archive.org/details/manualzilla-id-5752650
>
> David
>
> ---
> Nathanael wrote:
> > Over at Github, erkyrath has recently put up the source code of the Infocom game interpreters for many systems, including CP/M. The cpm80 source code is accompanied by a .PRN which reads "AVOCET SYSTEMS Z80 ASSEMBLER - VERSION 1.03C."
> >
> > Does anyone know of a source for this assembler?
> >
> > --nathanael
> --
> This email has been checked for viruses by Avast antivirus software.
> www.avast.com
Thanks!

--nathanael

Re: AVOCET SYSTEMS Z80 ASSEMBLER

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Subject: Re: AVOCET SYSTEMS Z80 ASSEMBLER
From: cjeculver@gmail.com (Nathanael)
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 by: Nathanael - Sat, 16 Dec 2023 00:57 UTC

On Thursday, December 14, 2023 at 6:57:14 AM UTC+8, Nathanael wrote:
> On Thursday, December 14, 2023 at 6:28:22 AM UTC+8, David Snowdon wrote:
> > No ,but I found a manual at:
> > https://archive.org/details/manualzilla-id-5752650
> >
> > David
> >
> > ---
> > Nathanael wrote:
> > > Over at Github, erkyrath has recently put up the source code of the Infocom game interpreters for many systems, including CP/M. The cpm80 source code is accompanied by a .PRN which reads "AVOCET SYSTEMS Z80 ASSEMBLER - VERSION 1.03C."
> > >
> > > Does anyone know of a source for this assembler?
> > >
> > > --nathanael
> > --
> > This email has been checked for viruses by Avast antivirus software.
> > www.avast.com
> Thanks!
>
> --nathanael

Thanks to Steven Hirsch for putting me onto the 2500AD assembler/linker, which is essentially the Avocet assembler. I only ran into a single issue, which involved a change at line 4041 from DB $27, $22 to DB 027H, 022H. A binary compare on the output with an existing .COM file found it basically byte-identical.

This is Version C of the Infocom interpreter. I'm wondering if source for the previous two versions could be reconstructed from this.

--nathanael

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