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Groups > comp.sys.apple2.programmer > #4240

Re: need help identifying tokenized assembler file format

From kelvin@pro-kegs.uucp (Kelvin Sherlock)
Newsgroups comp.sys.apple2.programmer
Subject Re: need help identifying tokenized assembler file format
Date 2018-02-19 02:00 -0500
Organization ProLine [pro-kegs] -- Nome, AK
Message-ID <p6dc8o$pb6$1@dont-email.me> (permalink)
References <38888b53-6c12-43c7-bba0-294a23fc7e0d@googlegroups.com>

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Sounds like LISA.  CiderPress can detokenize it. The source code might
be the only extant documentation:
https://github.com/fadden/ciderpress/blob/master/reformat/Asm.cpp


In <38888b53-6c12-43c7-bba0-294a23fc7e0d@googlegroups.com>
aycock@ucalgary.ca writes:

>I'm trying to identify the assembler that used a specific file format for
>source code. The assembler would've been in use in early 1980.
>
>In this format, lines are separated by $d (CR) characters. The byte following
>the $d is the line length. Opcodes are tokenized - not completely sure how
>yet - but their high bit's always set. Following an opcode is a one-byte
>value that appears to indicate the operand type: 0=implied, 1=label, 2=i
>mmediate, 5=(ZP),Y. Operand text and comments are simply ASCII, without the
>high bit set.
>
>For example, a fragment might be
>
>0d 02 3b
>       ;
>0d 0a cd 05 28 46 4f 4f 29 2c 59
>      op     (  F  O  O  )  ,  Y
>0d ...
>
>Does this ring any bells for anyone?
>
>Thanks!
>John

-------
ProLine: kelvin@pro-kegs

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Thread

need help identifying tokenized assembler file format aycock@ucalgary.ca - 2018-02-18 13:50 -0800
  Re: need help identifying tokenized assembler file format kelvin@pro-kegs.uucp (Kelvin Sherlock) - 2018-02-19 02:00 -0500
  Re: need help identifying tokenized assembler file format D Finnigan <dog_cow@macgui.com> - 2018-02-19 02:37 +0000
    Re: need help identifying tokenized assembler file format Antoine Vignau <antoine.vignau@laposte.net> - 2018-02-18 18:57 -0800
  Re: need help identifying tokenized assembler file format Fred Smith<fredsmith@thejanitor.corp> - 2018-02-19 03:18 +0000
    Re: need help identifying tokenized assembler file format Andy McFadden <thefadden@gmail.com> - 2018-02-23 08:19 -0800
  Re: need help identifying tokenized assembler file format aycock@ucalgary.ca - 2018-02-19 08:58 -0800

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