[Coco] CP/M OS-9 is back

[John W. Linville]

On Wed, Mar 26, 2014 at 09:03:41AM -0400, Luis Antoniosi (CoCoDemus) wrote:
> Hi guys,
> 
> I got some time improving mt CP/M emulator as you can see in the video:
> 
> https://www.youtube.com/watch?v=FiwmUnLTcjY&feature=youtu.be
> 
> It's emulating Microsoft Basic. Couldn't test it extensively but it
> seems to be working fine.
> 
> I'll be releasing a beta version for you to play with. The emulator is
> 100% assembly (lwasm) and is 7KB only. Only the i8080 is emulated
> although I expect to extend it to z-80 extra instructions later.
> 
> It's running on a higher speed than I previous thought. I will release
> the assembly code as well and if you want to help to improve the speed
> feel free to do it. The main bottleneck is the flag converting between
> 6809 -> 8080.
> 
> Although I created a lookup table to convert it, the 8080 has extra
> flags or the flag is not changed on the 6809 equivalent instruction.

Very impressive!  It doesn't even look too painful to use! :-)

Nice work!

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville at tuxdriver.com			might be all we have.  Be ready.