Learning 6809 assembly language #VintageComputing #Programming

PWILLARD.COM dives into programming 6809 assembly language with tools available for modern computers.

If you’ve never tried to write 6×09 assembly language programming for the Radio Shack Color Computer before, now it’s easier than ever before. While you can use a native editor assembler, like Robert Gault’s 6×09 updates to Tandy’s DISK EDTASM (which is excellent), it’s probably a lot simpler to just write the code in your favorite editor and then use a cross-compiler such as LWASM to assemble your code on your PC.

You can then use programs from the cross development TOOLSHED to copy your local binaries to a virtual floppy and test your work on one of the virtual color computer emulators such as Xroar, VCC or MAME.

LWASM is part of the LWTOOLS distribution (along with documentation).

If you use Windows, look for the appropriate pre-compiled windows binaries zip file at http://www.lwtools.ca/contrib/tormod/

The article here also goes into learning 6809 assembler.


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