On Mon, Mar 27, 2017 at 2:53 PM, Sean Conner via cctalk < cctalk@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.
