[Coco] How to get into CoCo 6809 assembly?

[stanblaz at optusnet.com.au]

On Sun, 05 Feb 2012 20:18:08 -0500, you wrote:

>Blake Patterson wrote:
>> So I've now got both a DriveWire and a FD-500 floppy disk system (though one of the drives is apparently not connected inside the enclosure - need to figure that out). I'd like to fiddle around with 6809 assembly on the CoCo 3.
>>
>> Can someone point me to an assembler package I'd need? I'd like to fiddle around with CoCo 3 screenmodes, etc -- so I want to write a few "CoCo 3" vs. prior programs.
>>
>> Also, what's a good general 6809 reference and reference for the internals info I'd need to access the CoCo 3 itself?
>>
>> Thanks much, in advance!
>>
>
>You should try Tandy's Disk EDTASM+ which should be in the following zip file:
>http://www.tandycoco.com/dsk_imgs/rs-dos/cocodownunderrsdos.zip
>It may be at other sites also.
>
>If it turns out that you want a better enhanced version, you can consider the 
>patch I sell for EDTASM+.
>http://aaronwolfe.com/robert.gault/Coco/Sales/Edtasm6309.htm
>
>If you decide that you would rather work with a full screen rather than a line 
>editor, consider buying one of Roger Taylor's products such as RainbowIDE. You 
>can create source code, assemble it, and immediately test it in MESS Coco emulation.
>
>One of the best books on the 6809 is "6809 Assembly Language Programming" by 
>Lance A. Leventhal. You should get a copy of the Coco3 service manual:
>ftp://maltedmedia.com/coco/MANUALS/TANDY/HARDWARE/COCO3/
>You should also get a copy of all the Spectral Associates "Unravelled" series:
>ftp://www.rtsi.com/RSDOS/incoming/UnravelledSeries/
>Many good pdf files, including the Leventhal, are at 
>http://cococoding.aaronwolfe.com/home/docs
--

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