Fw: [sdiy] Anybody using Atmel AVR?

[john mahoney]

> Now for a real challenge,  what can you do with a 6502?   :-)

The 6502 might be capable of wavetable fun by virtue of its "Indexed
Indirect" addressing mode. Or maybe the "Indirect Indexed" mode. The 6502
has both modes and I forget which is which.

Probably can't support more than an 8-bit DAC and 256-entry wavetables,
though.
--
john


----- Original Message ----- 
From: "Jaroslaw Ziembicki" <aon.912230836 at aon.at>
To: "Roy J. Tellason" <rtellason at blazenet.net>
Cc: "SDIY" <synth-diy at dropmix.xs4all.nl>
Sent: Tuesday, December 21, 2004 5:51 PM
Subject: Re: Fw: [sdiy] Anybody using Atmel AVR?


> > Now for a real challenge,  what can you do with a 6502?   :-)
>
> Surely a kind of DCO or DCOs would run on it, but without
> any digital filter I'm afraid...
> Those old micros were not so bad. Years ago I wrote
> an assembler routine for MC6803 which calculated the square
> root from a 16 bit number. The whole routine took  n i n e
> processor instructions...
>
> Jarek
>