[Coco] FPGA 6809

[Dave Philipsen]

Will do.  I am now working on REL.  I've got 4 errors to resolve.  I 
think I need some coffee now too!

Dave Philipsen



On , Bill Pierce via Coco wrote:
> Good work Dave. Would you send me copies? I'll add it to my "NitrOS9
> conversion to Coco" files LOL
> One of these days I'll get back to working on that project... Too many
> projects... NEED MORE COFFEE!!
> 
> 
> 
> 
> 
> 
> Bill Pierce
> "Charlie stole the handle, and the train it won't stop going, no way
> to slow down!" - Ian Anderson - Jethro Tull
> 
> 
> 
> My Music from the Tandy/Radio Shack Color Computer 2 & 3
> https://sites.google.com/site/dabarnstudio/
> Co-Contributor, Co-Editor for CocoPedia
> http://www.cocopedia.com/wiki/index.php/Main_Page
> Global Moderator for TRS-80/Tandy Color Computer Forums
> http://www.tandycoco.com/forum/
> 
> E-Mail: ooogalapasooo at aol.com
> 
> 
> 
> 
> 
> 
> -----Original Message-----
> From: Dave Philipsen <dave at davebiz.com>
> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> Sent: Tue, Sep 1, 2015 11:14 am
> Subject: Re: [Coco] FPGA 6809
> 
> 
> Good news!  After stripping linefeeds and tabs from the source files 
> and
> after
> resolving which files are for Level1 and which are for Level2 and
> which are
> shared by both I was able to assemble Krn with the stock OS9
> assembler.  On the
> CoCo3 FPGA running at 25 MHz with source files on SD
> card it completes the task
> in 6 seconds.  Not bad!  0 errors, 30
> warnings, and $0F00 program bytes
> generated.
> 
> Dave Philipsen
> 
> 
> 
> On , Bill Pierce via Coco wrote:
>> Dave, according
> to William Astle (lwtools author), the lwtools
>> assembler IS a single pass
> assembler. I'm assuming it treats "asm"
>> files similar to the way RMA works, by
> assembling an object file with
>> a variable table (or temp file), to reference
> when functions and
>> variables are referenced in other sources then linkiing the
> object
>> files to create the executable.
>> I'm not really sure this is the case,
> and William will probably
>> correct me, but I imagine it's something similar.
>> 
> Many of the sources in the Nitros9 repo ar multi-part with different
>> parts
> used for different configurations.
>> 
>> Some of the sources are in RMA format
> and in that respect, functions
>> CAN be called from other sources without
> "include" or "use"
>> references, similar to C and RMA in OS9, hence the need for
> finding
>> all references to any "changed" names, or at least this is what it
>> 
> seems is going on. The makefiles is where a lot of the majic is done.
>> 
> Remember, this a PC assembler, not OS9.
>> 
>> I knew you said you were only
> assembling a few of files, but my intent
>> was meant as a warning to any future
> attemp to include more files.
>> There's a lot more there than meets the eye
> :-)
>> 
>> I have pulled many of the Nitros9 sources and "massaged" them to
>> 
> assemble in Nitros9, some were pretty easy... some were a nightmare,
>> some were
> damned near impossible without almost rewriting them! These
>> files have moved a
> long way from the Coco!
>> 
>> The Nitros9 repo builds complete disks for 9
> different computers, two
>> different cpus, two different levels (1 & 2), 2 clock
> types (NTSC &
>> PAL), about 8 different HD systems, 3 or 4 different floppy
> systems,
>> and does "most" of it from one general set of sources in 2
> passes...
>> one to compile for each machine, and one to create the disk images
> of
>> several types each!
>> 
>> It's actually pretty amazing to watch it all
> build... but I would
>> still rather see it scroll by on a Coco (or emulator),
> and as Bill
>> Noble will tell you, originally when they started NitrOS9, it WAS
> all
>> done on a Coco! :-)
>> 
>> 
>> 
>> 
>> Bill Pierce
>> "Charlie stole the handle,
> and the train it won't stop going, no way
>> to slow down!" - Ian Anderson -
> Jethro Tull
>> 
>> 
>> 
>> My Music from the Tandy/Radio Shack Color Computer 2 &
> 3
>> https://sites.google.com/site/dabarnstudio/
>> Co-Contributor, Co-Editor for
> CocoPedia
>> http://www.cocopedia.com/wiki/index.php/Main_Page
>> Global Moderator
> for TRS-80/Tandy Color Computer Forums
>> http://www.tandycoco.com/forum/
>> 
>> 
> E-Mail: ooogalapasooo at aol.com
>> 
>> 
>> 
>> 
>> 
> https://pairlist5.pair.net/mailman/listinfo/coco
> 
> --
> Coco mailing
> list
> Coco at maltedmedia.com
> https://pairlist5.pair.net/mailman/listinfo/coco