[FoRK] ridiculous project

Andy Armstrong andy at hexten.net
Mon Jul 8 02:02:45 PDT 2013


On 8 Jul 2013, at 09:33, Sean Conner <sean at conman.org> wrote:
>  I personally prefer the Motorola 6809 (if I had to use an 8-bit CPU). 
> Nice design---two 8-bit accumulators (that can act as a 16-bit accumulator),
> four 16-bit index registers (all can be used interchangibly, except that one
> also acts as the stack pointer) and the ability to write position
> independant code.  It's a shame it was never as popular as the 6502, 8080 or
> Z80.


AFAICR 6809s were stupidly expensive compared with the others, particularly 6502.

Z80 and 8080 were nasty in the same way modern Intel architectures are.

6502 was cheap and nice. I think that's engineering.

-- 
Andy Armstrong, Hexten






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