[Coco] Assemblers' Documentation

Thu Jan 24 07:34:23 EST 2013

tested here version 4.7 reports leax #3,x as a bad operand. fixed

thxs

On Thu, Jan 24, 2013 at 12:36 AM, William Astle <lost at l-w.ca> wrote:

> On 13-01-23 10:08 PM, Luis Antoniosi (CoCoDemus) wrote:
>
>> Hi William,
>>
>> i found some bugs on lwasm when you make a bad syntax like:
>>
>> leax #3,x
>>
>> will cause segmentation fault (ouch!) and you don't even know which line
>> is
>> the error.
>>
>
> Yes, that is clearly a bug. Thank you for reporting it. Which version of
> lwasm are you using? Did it happen with the new release today?
>
>  Other problem I found it wont report any error with:
>>
>> inca var
>>
>> when you wanted:
>>
>> inc var
>>
>> Dunno if it generated a single inca ou some invalid bytes sequence.
>>
>
> This will have generated an inca instruction.
>
> This is not a bug but a side effect of the source format which allows the
> comment field at the end of the line without a comment character. There is
> no possible way to detect whether you meant "inc var" or "inca" with a
> comment "var". You'll see this behaviour with any assembler that supports
> EDTASM style syntax.
>
>
>> Regards,
>>
>> Luis Felipe.
>>
>>
>> On Wed, Jan 23, 2013 at 11:27 PM, William Astle <lost at l-w.ca> wrote:
>>
>>  Howdy. The only complaint I'm going to make about your message is the
>>> lack
>>> of paragraphs made it hard to read. Enough complaining.
>>>
>>> I happen to be the creator of one assembler for the 6809/6309 which is
>>> part of lwtools (http://lwtools.projects.l-w.****ca/<
>>> http://lwtools.projects.**l-w.ca/ <http://lwtools.projects.l-w.ca/>>).
>>> It generally accepts standard Motorola syntax with extras like allowing
>>> ";"
>>> to introduce comments (in addition to "*"). It happens to have a
>>> reasonably
>>> complete manual (available at the project's web site).
>>>
>>> You will probably find that most assemblers will accept mostly standard
>>> Motorola syntax often with extras.
>>>
>>> On 13-01-23 08:49 PM, Kip Koon wrote:
>>>
>>>  Hello Ya'll,
>>>>
>>>> I need help to figure out the proper documentation for all the different
>>>> assemblers and cross-assemblers everyone is using as they relate to the
>>>> 6809
>>>> and the three Cocos.  The assemblers I know of are RMACxx, Mamou, C.ASM
>>>> (OS-9), ASM (OS9) RMA (OS-9) and I know there has to be many more which
>>>> I'm
>>>> not remembering right now.  I am confused as to which ones follow
>>>> Motorola
>>>> guidelines.  I realize we all are from different backgrounds and I
>>>> definitely do not wish to step on anyone's toes as they say, but from
>>>> what I
>>>> can figure out, I think the ";" semicolons seem to be used in a lot in
>>>> Intel
>>>> assemblers which I see ";" used a lot in some of the 6809 assembly
>>>> language
>>>> source code files I've been perusing lately for the Coco, and
>>>> OS-9/NitrOS-9
>>>> and I really don't understand why.  I've used 6800 and 6809 assemblers
>>>> over
>>>> the years as well as 8080 and I've almost never used ";" semicolons in
>>>> assembler language source code for either the 6800 nor the 6809
>>>> processors
>>>> if ever.  I cannot find any documentation for the Mamou and RMACxx
>>>> assemblers and I'm assuming the C.ASM, ASM and RMA assemblers follow the
>>>> guidelines given in the old Motorola programming manuals, but I'm not
>>>> totally sure about that neither.  If I was learning to write Intel
>>>> Assembly
>>>> Language, I'd follow Intel's guidelines to the letter, but I'm
>>>> programming
>>>> for Motorola's 6809 processor which I dearly love as I know you all do
>>>> also.
>>>> I have no problem adjusting assemblers to follow guidelines from other
>>>> processor manufacturers' assembly language guidelines as long as the
>>>> assemblers for the 6800 & 6809 which everyone likes to use, also follow
>>>> Motorola's guidelines to the letter as well.  I wish to do everything I
>>>> can
>>>> to help this group which I'm very glad I have found after over 30 years,
>>>> but
>>>> during the continuing development of my 6809 computer, I've found a lot
>>>> of
>>>> 6809 source code for many different 6809 projects which uses punctuation
>>>> marks in 6809 assembly language source code in strange ways and I don't
>>>> know
>>>> which assembler or cross-assembler to use with which 6809 source code
>>>> so I
>>>> can assemble the program successfully into binary machine language so I
>>>> can
>>>> enjoy using it all in my little 6809 computer.  Help!  I don't know if
>>>> any
>>>> standard for 6809 assembly language source code programs is possible at
>>>> this
>>>> point in time,  especially since we have no support from the original
>>>> manufacturer, but with such a wonderful mix of programmers and their
>>>> backgrounds, I'd really like to see some type of 6809 standard
>>>> definitely
>>>> incorporating Motorola's standards to be used among all the 6809
>>>> assembler
>>>> programs.  This would make things a lot easier.  I could be way off on
>>>> this
>>>> and if so I apologize, so please be kind as I have tried to be kind.  I
>>>> just
>>>> want to use some of this wonderful wealth of programs we all are sharing
>>>> with each other.  For any newbie coming to this list, all the
>>>> mismatching
>>>> between 6809 assemblers with 6809 assembly source code can be quite
>>>> daunting.  Again, please be kind, because as I write this, I'm feeling
>>>> like
>>>> I'm going to really get it from someone which of course I hope I don't.
>>>>   So
>>>> Have a lot of fun 6809ing and Cocoing.  J  Be Happy!
>>>>
>>>> Kip
>>>>
>>>>
>>>>
>>>>
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>>>> >
>>>>
>>>>
>>>>
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>>>
>>
>>
>>
>
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