Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!samsung!munnari.oz.au!goanna!minyos.xx.rmit.oz.au!s902113
From: s902113@minyos.xx.rmit.oz.au (Luke Mewburn)
Newsgroups: comp.sys.amiga.hardware
Subject: Re: 14 Mhz Hack
Message-ID: <1991May15.002408.19408@minyos.xx.rmit.oz.au>
Date: 15 May 91 00:24:08 GMT
References: <1991May10.104421.22314@rulway.LeidenUniv.nl> <billc.3292@cryo.UUCP> <mmm.1227@reaper.Chi.IL.US>
Organization: RMIT Computer Centre, Melbourne Australia.
Lines: 37

mmm@reaper.Chi.IL.US (Michael Marvin Morrison) writes:

>In article <billc.3292@cryo.UUCP> billc@cryo.UUCP (William J. Coldwell) writes:
>>In article <1991May10.104421.22314@rulway.LeidenUniv.nl> breemen@rulcvx.LeidenUniv.nl (E. van Breemen) writes:
>>>
>>>To all 14 Mhz hackers,
>>>
>>>I have received a lot of mail lately of people who asked me how I made
>>>the 14 Mhz Hack work. It is very simple, just follow the guidelines of Dave H.
>>
>>[DTACK and E-Clock stuff deleted]
>>
>>>For me the 14 Mhz started as Hack with one Flipflop and a 12.5 Mhz processor.
>>>I ended up with a 16 Mhz processor and 7 chips (no wire needed for CDAC).
>>>This is really a minimal configuration, so all the boards using just 2 or 3 
>>>chips won't work, it is sad but true.
>>

>I would also suggest using a 16mhz 68010.  The mere ~5% speedup you see by putting
>it in at the same clock speed should prove to be even greater at 14mhz.  The chip
>is pin-for-pin compatable, so no change in design would be necessary.

Small problem: Too many games are incompatible with the slight instruction
set differences between the '00 and the '10. (I think the stack
manipulation commands is User mode are different, or the actual set-up
of User mode. Can't remember tho.)


>--
>Michael M Morrison              /|                             |\
>mmm@reaper.chi.il.us <or>      | |  Cash, for Cache..          | |
>reaper!mmm@miroc.chi.il.us      \|         Hmm.. sounds fair.  |/
-- 
____________________________________________________________________________
|                                     |                                    |
| Luke Mewburn   (Zak)                |      This side for lease...        |
| s902113@minyos.xx.rmit.oz.au        | (No disclaimer, can't afford it:-) |