[TUHS] 6502 and swtch, was Re: 2.11BSD cross compiler

Warren Toomey wkt at tuhs.org
Wed Sep 29 14:34:51 AEST 2010


> On Wed, Sep 29, 2010 at 05:17:33AM +0200, Steve Nickolas wrote:
> > On Tue, 28 Sep 2010, Larry McVoy wrote:
> > Dunno, the only instruction set I really grok is 65C02, which is by your  
> > standards probably little more than a toy.

On Tue, Sep 28, 2010 at 08:55:34PM -0700, Larry McVoy wrote:
> Anyhoo, the 6502 is a fine little processor and knowing how to make it
> sing is a useful skill.

Argh, I wasn't going to post back but I can't resist. Back in the 80's I
rewrote Xinu from C into 6502 assembly, and got very primitive multitasking
working on the Apple ][. I guess that counts as writing swtch :-)

ftp://minnie.tuhs.org/pub/apple2/apple2xinu.tar.gz

Cheers,
	Warren



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