http://www.evenson-consulting.com/swtpc/fufu_downloads.htm
And direct TSC "suite" download at:
http://www.evenson-consulting.com/swtpc/downloads/All_Sorted/tsc.zip
And even MORE documentation at:
http://vintagecomputer.ca/files/SWTPC/
I'm so glad I asked, and Monty responded. I didn't find that from any Google search, that's for certain.
From wiki, although the page doesn't mention TSC Assembler, the image example does...
Here's the places that Google directs us to find "TSC Assembler" (other than this site/page):
If this fails: http://slade.cs.byuh.edu/cs210/TSC
Then (thankfully, I archived it on Archive.org/web December 3rd, 2018).
And, I even archived the TSC Assembler page myself here (although it seems to lack that nifty spiral-bound background).
https://projects.ncsu.edu/wcae/ISCA2000/submissions/penfold.pdf
The original?
https://ia800105.us.archive.org/23/items/hack42_Technical_Systems_Consultants_TSC_Floating_Point_Package/Technical_Systems_Consultants_TSC_Floating_Point_Package.pdf
(I archived it here, and removed some 2-page PDF Formatting)
http://www.datapipe-blackbeltsystems.com/windows/flex/asm3.html
https://sites.google.com/site/6800assembly/assembler
SWTBUG
http://www.swtpc.com/mholley/swtbug/SWTBUG_Listing.pdf
http://www.swtpc.com/mholley/FLEX20/DiskBug0_lst.pdf
https://amaus.org/static/S100/SwTPC/cards/MP09/SBUG_Listing.pdf
FLEX Assembler?
http://www.flexusergroup.com/flexusergroup/pdfs/asmb.pdf
vcfed.org:
http://www.vcfed.org/forum/showthread.php?67421-TSC-Assembler&p=549446#post549446
CCTalk:
https://marc.info/?l=classiccmp&w=2&r=1&s=tsc+assembler&q=b
fig-FORTH:
http://archive.6502.org/books/forth_interest_group/fig_forth_6809_source.pdf
http://archive.retro.co.za/archive/computers/6809/fig-FORTH%206809%20March%201980.pdf
http://www.forth.org/fig-forth/fig-forth_6809.pdf
A09:
https://github.com/Arakula/A09/blob/master/a09.htm
LWASM?
http://lwtools.projects.l-w.ca/
My PDF Archive at:
http://6REOQUESTIONS.com/misc/TSCassembler/ (not public)