[Coco] CCASM for Linux

[Roger Taylor]

Oh, how sweet it is... to assemble a crapload of EDTASM source files under 
Linux without errors.

cm file -c   <-- assumes source is in CoCo format (otherwise, DOS/Win/Linux)

some examples of CCASM for Windows or Linux:

cm mydos -rom=8k
	(generates mydos.rom)

cm mydos -rom=16k
	(generates mydos.rom)

cm mydos
	(generates mydos.bin, LOADMable)

cm game.src
cm game.a
	(default .asm extension override)

cm spider -o=outname
	(override the output filename and/or extension)

cm game -l
	(dump pretty listing)

cm game -s
	(dump symbol table)

cm game -sa
	(dump symbols, including local labels)

cm file -h
	(show suggestions after each error msg, on how to fix it)