CoCo 2 & 3 max speed

From: jpero_at_cgo.wave.ca <(jpero_at_cgo.wave.ca)>
Date: Wed Jan 28 14:48:10 1998

> ;-) Clearing the snow from my glasses, I saw John Higginbotham typed:
>
Snip!
>
> Supported or possible??? There's a big difference, you know! ;-)
>
> Supported IIRC is only 300 (maybe 600) bps for the CoCo2, and 1200 for the
> CoCo3. I do remember many ads (adverts for our British friends, IIRC)
> claiming flawless 1200 (coco1/2) and 2400 (coco3) bps speed for a CoCo.
> Again, IIRC I heard rumors of someone actually getting 9600 bps thru the
> bitbanger, but I'm sure that's will all interrupts fully disabled in RSDOS
> with a memory-to-port (or vise-versa) transfer only -- no other functions
> like video, disk or anything else so you were xferring totally blind.

True, the major problem was in how much data 8bit CPU can move
without falling back.

Big snip!

> All plug-for-plug compatible with our beloved Moto6809.
> --
> Roger Merchberger | If at first you don't succeed,
> Programmer, NorthernWay | nuclear warhead disarmament should *not*
> zmerch_at_northernway.net | be your first career choice.

Jason D.
email: jpero_at_cgo.wave.ca
Pero, Jason D.
Received on Wed Jan 28 1998 - 14:48:10 GMT