Motorola M88K books & user manuals (looking for)

Guy Sotomayor Jr ggs at shiresoft.com
Tue Jan 1 16:40:14 CST 2019


> On Jan 1, 2019, at 2:35 PM, Carlo Pisani via cctalk <cctalk at classiccmp.org> wrote:
> 
>> I was never a fan of RISC architecture as does not fit the standard high
>> level language model. Everybody wants a 1 pass compiler, thus the RISC
>> model. If you are doing your own RISC model, you might consider a model
>> that supports Effective addressing better since we have got the point
>> where fetching the data is taking longer than processing it.
> 
> yup. I am a 68k programmer so I know what you mean.
> the 68k is more comfortable to be programmed in assembly, and even the
> EA modes (especially in the 68020 and CPU32) help a lot.
> 
> unfortunately, the 68K is very complex to be designed, and the first
> 68020 used microcode, which is a no-go for modern designs.

Umm.  Says who?  Intel x86 CPUs makes *heavy* use of microcode.  So do a number
of other processors (IBM S/370, et al).  The ISAs may be old but I would
argue that in both examples, the underlying designs are *very* modern.

TTFN - Guy



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