On Mon, Mar 27, 2017 at 2:53 PM, Sean Conner via cctalk <
cctalk at classiccmp.org> wrote:
Some time ago I came across the MC6839 ROM which
contains floating point
routines for the 6809. The documentation that came with it stated:
Written for Motorola by Joel Boney, 1980
Released into the public domain by Motorola in 1988
Docs and apps for Tandy Color Computer by Rich Kottke, 1989
What I haven't been able to find is the actual *source code* to the
module. Is it available anywhere? I've been playing around the the MC6839
on an emulator but having the source would clear up some issues I've been
having with the code.
https://github.com/brouhaha/float09
I haven't modified it to assemble with a readily available assembler, so I
don't know whether it assembles into the exact MC6839 ROM image.